annotate Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Src/stm32f4xx_hal_rtc.c @ 112:fdf0272e9213 FlipDisplay

Added new nvm parameter"FlipDisplay" indicating the screen orientation
author Ideenmodellierer
date Tue, 01 Jan 2019 21:03:33 +0100
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_rtc.c
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4 * @author MCD Application Team
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5 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief RTC HAL module driver.
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8 * This file provides firmware functions to manage the following
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9 * functionalities of the Real Time Clock (RTC) peripheral:
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10 * + Initialization and de-initialization functions
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11 * + RTC Time and Date functions
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12 * + RTC Alarm functions
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13 * + Peripheral Control functions
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14 * + Peripheral State functions
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15 *
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16 @verbatim
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17 ==============================================================================
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18 ##### Backup Domain Operating Condition #####
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19 ==============================================================================
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20 [..] The real-time clock (RTC), the RTC backup registers, and the backup
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21 SRAM (BKP SRAM) can be powered from the VBAT voltage when the main
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22 VDD supply is powered off.
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23 To retain the content of the RTC backup registers, backup SRAM, and supply
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24 the RTC when VDD is turned off, VBAT pin can be connected to an optional
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25 standby voltage supplied by a battery or by another source.
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26
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27 [..] To allow the RTC operating even when the main digital supply (VDD) is turned
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28 off, the VBAT pin powers the following blocks:
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29 (#) The RTC
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30 (#) The LSE oscillator
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31 (#) The backup SRAM when the low power backup regulator is enabled
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32 (#) PC13 to PC15 I/Os, plus PI8 I/O (when available)
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33
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34 [..] When the backup domain is supplied by VDD (analog switch connected to VDD),
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35 the following pins are available:
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36 (#) PC14 and PC15 can be used as either GPIO or LSE pins
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37 (#) PC13 can be used as a GPIO or as the RTC_AF1 pin
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38 (#) PI8 can be used as a GPIO or as the RTC_AF2 pin
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39
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40 [..] When the backup domain is supplied by VBAT (analog switch connected to VBAT
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41 because VDD is not present), the following pins are available:
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42 (#) PC14 and PC15 can be used as LSE pins only
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43 (#) PC13 can be used as the RTC_AF1 pin
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44 (#) PI8 can be used as the RTC_AF2 pin
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45
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46 ##### Backup Domain Reset #####
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47 ==================================================================
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48 [..] The backup domain reset sets all RTC registers and the RCC_BDCR register
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49 to their reset values. The BKPSRAM is not affected by this reset. The only
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50 way to reset the BKPSRAM is through the Flash interface by requesting
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51 a protection level change from 1 to 0.
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52 [..] A backup domain reset is generated when one of the following events occurs:
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53 (#) Software reset, triggered by setting the BDRST bit in the
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54 RCC Backup domain control register (RCC_BDCR).
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55 (#) VDD or VBAT power on, if both supplies have previously been powered off.
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56
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57 ##### Backup Domain Access #####
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58 ==================================================================
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59 [..] After reset, the backup domain (RTC registers, RTC backup data
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60 registers and backup SRAM) is protected against possible unwanted write
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61 accesses.
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62 [..] To enable access to the RTC Domain and RTC registers, proceed as follows:
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63 (+) Enable the Power Controller (PWR) APB1 interface clock using the
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64 __HAL_RCC_PWR_CLK_ENABLE() function.
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65 (+) Enable access to RTC domain using the HAL_PWR_EnableBkUpAccess() function.
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66 (+) Select the RTC clock source using the __HAL_RCC_RTC_CONFIG() function.
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67 (+) Enable RTC Clock using the __HAL_RCC_RTC_ENABLE() function.
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68
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69
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70 ##### How to use this driver #####
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71 ==================================================================
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72 [..]
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73 (+) Enable the RTC domain access (see description in the section above).
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74 (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and RTC hour
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75 format using the HAL_RTC_Init() function.
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76
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77 *** Time and Date configuration ***
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78 ===================================
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79 [..]
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80 (+) To configure the RTC Calendar (Time and Date) use the HAL_RTC_SetTime()
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81 and HAL_RTC_SetDate() functions.
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82 (+) To read the RTC Calendar, use the HAL_RTC_GetTime() and HAL_RTC_GetDate() functions.
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83
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84 *** Alarm configuration ***
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85 ===========================
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86 [..]
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87 (+) To configure the RTC Alarm use the HAL_RTC_SetAlarm() function.
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88 You can also configure the RTC Alarm with interrupt mode using the HAL_RTC_SetAlarm_IT() function.
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89 (+) To read the RTC Alarm, use the HAL_RTC_GetAlarm() function.
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90
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91 ##### RTC and low power modes #####
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92 ==================================================================
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93 [..] The MCU can be woken up from a low power mode by an RTC alternate
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94 function.
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95 [..] The RTC alternate functions are the RTC alarms (Alarm A and Alarm B),
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96 RTC wake-up, RTC tamper event detection and RTC time stamp event detection.
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97 These RTC alternate functions can wake up the system from the Stop and
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98 Standby low power modes.
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99 [..] The system can also wake up from low power modes without depending
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100 on an external interrupt (Auto-wake-up mode), by using the RTC alarm
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101 or the RTC wake-up events.
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102 [..] The RTC provides a programmable time base for waking up from the
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103 Stop or Standby mode at regular intervals.
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104 Wake-up from STOP and STANDBY modes is possible only when the RTC clock source
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105 is LSE or LSI.
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106
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107 @endverbatim
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108 ******************************************************************************
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109 * @attention
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110 *
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111 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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112 *
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113 * Redistribution and use in source and binary forms, with or without modification,
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114 * are permitted provided that the following conditions are met:
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115 * 1. Redistributions of source code must retain the above copyright notice,
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116 * this list of conditions and the following disclaimer.
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117 * 2. Redistributions in binary form must reproduce the above copyright notice,
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118 * this list of conditions and the following disclaimer in the documentation
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119 * and/or other materials provided with the distribution.
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120 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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121 * may be used to endorse or promote products derived from this software
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122 * without specific prior written permission.
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123 *
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124 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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125 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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126 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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127 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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128 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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129 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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130 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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131 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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132 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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133 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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134 *
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135 ******************************************************************************
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136 */
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137
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138 /* Includes ------------------------------------------------------------------*/
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139 #include "stm32f4xx_hal.h"
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140
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141 /** @addtogroup STM32F4xx_HAL_Driver
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142 * @{
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143 */
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144
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145 /** @defgroup RTC RTC
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146 * @brief RTC HAL module driver
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147 * @{
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148 */
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149
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150 #ifdef HAL_RTC_MODULE_ENABLED
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151
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152 /* Private typedef -----------------------------------------------------------*/
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153 /* Private define ------------------------------------------------------------*/
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154 /* Private macro -------------------------------------------------------------*/
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155 /* Private variables ---------------------------------------------------------*/
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156 /* Private function prototypes -----------------------------------------------*/
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157 /* Private functions ---------------------------------------------------------*/
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158
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159 /** @defgroup RTC_Exported_Functions RTC Exported Functions
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160 * @{
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161 */
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162
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163 /** @defgroup RTC_Exported_Functions_Group1 Initialization and de-initialization functions
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164 * @brief Initialization and Configuration functions
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165 *
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166 @verbatim
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167 ===============================================================================
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168 ##### Initialization and de-initialization functions #####
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169 ===============================================================================
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170 [..] This section provides functions allowing to initialize and configure the
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171 RTC Prescaler (Synchronous and Asynchronous), RTC Hour format, disable
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172 RTC registers Write protection, enter and exit the RTC initialization mode,
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173 RTC registers synchronization check and reference clock detection enable.
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174 (#) The RTC Prescaler is programmed to generate the RTC 1Hz time base.
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175 It is split into 2 programmable prescalers to minimize power consumption.
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176 (++) A 7-bit asynchronous prescaler and a 13-bit synchronous prescaler.
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177 (++) When both prescalers are used, it is recommended to configure the
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178 asynchronous prescaler to a high value to minimize power consumption.
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179 (#) All RTC registers are Write protected. Writing to the RTC registers
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180 is enabled by writing a key into the Write Protection register, RTC_WPR.
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181 (#) To configure the RTC Calendar, user application should enter
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182 initialization mode. In this mode, the calendar counter is stopped
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183 and its value can be updated. When the initialization sequence is
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184 complete, the calendar restarts counting after 4 RTCCLK cycles.
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185 (#) To read the calendar through the shadow registers after Calendar
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186 initialization, calendar update or after wake-up from low power modes
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187 the software must first clear the RSF flag. The software must then
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188 wait until it is set again before reading the calendar, which means
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189 that the calendar registers have been correctly copied into the
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190 RTC_TR and RTC_DR shadow registers.The HAL_RTC_WaitForSynchro() function
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191 implements the above software sequence (RSF clear and RSF check).
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192
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193 @endverbatim
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194 * @{
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195 */
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196
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197 /**
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198 * @brief Initializes the RTC peripheral
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199 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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200 * the configuration information for RTC.
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201 * @retval HAL status
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202 */
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203 HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc)
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204 {
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205 /* Check the RTC peripheral state */
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206 if(hrtc == NULL)
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207 {
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208 return HAL_ERROR;
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209 }
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210
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211 /* Check the parameters */
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212 assert_param(IS_RTC_HOUR_FORMAT(hrtc->Init.HourFormat));
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213 assert_param(IS_RTC_ASYNCH_PREDIV(hrtc->Init.AsynchPrediv));
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214 assert_param(IS_RTC_SYNCH_PREDIV(hrtc->Init.SynchPrediv));
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215 assert_param (IS_RTC_OUTPUT(hrtc->Init.OutPut));
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216 assert_param (IS_RTC_OUTPUT_POL(hrtc->Init.OutPutPolarity));
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217 assert_param(IS_RTC_OUTPUT_TYPE(hrtc->Init.OutPutType));
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218
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219 if(hrtc->State == HAL_RTC_STATE_RESET)
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220 {
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221 /* Initialize RTC MSP */
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222 HAL_RTC_MspInit(hrtc);
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223 }
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224
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225 /* Set RTC state */
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226 hrtc->State = HAL_RTC_STATE_BUSY;
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227
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228 /* Disable the write protection for RTC registers */
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229 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
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230
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231 /* Set Initialization mode */
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232 if(RTC_EnterInitMode(hrtc) != HAL_OK)
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233 {
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234 /* Enable the write protection for RTC registers */
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235 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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236
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237 /* Set RTC state */
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238 hrtc->State = HAL_RTC_STATE_ERROR;
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239
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240 return HAL_ERROR;
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241 }
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242 else
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243 {
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244 /* Clear RTC_CR FMT, OSEL and POL Bits */
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245 hrtc->Instance->CR &= ((uint32_t)~(RTC_CR_FMT | RTC_CR_OSEL | RTC_CR_POL));
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246 /* Set RTC_CR register */
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247 hrtc->Instance->CR |= (uint32_t)(hrtc->Init.HourFormat | hrtc->Init.OutPut | hrtc->Init.OutPutPolarity);
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248
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249 /* Configure the RTC PRER */
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250 hrtc->Instance->PRER = (uint32_t)(hrtc->Init.SynchPrediv);
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251 hrtc->Instance->PRER |= (uint32_t)(hrtc->Init.AsynchPrediv << 16);
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252
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253 /* Exit Initialization mode */
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254 hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT;
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255
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256 hrtc->Instance->TAFCR &= (uint32_t)~RTC_TAFCR_ALARMOUTTYPE;
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257 hrtc->Instance->TAFCR |= (uint32_t)(hrtc->Init.OutPutType);
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258
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259 /* Enable the write protection for RTC registers */
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260 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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261
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262 /* Set RTC state */
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263 hrtc->State = HAL_RTC_STATE_READY;
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264
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265 return HAL_OK;
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266 }
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267 }
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268
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269 /**
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270 * @brief DeInitializes the RTC peripheral
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271 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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272 * the configuration information for RTC.
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273 * @note This function doesn't reset the RTC Backup Data registers.
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274 * @retval HAL status
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275 */
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276 HAL_StatusTypeDef HAL_RTC_DeInit(RTC_HandleTypeDef *hrtc)
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277 {
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278 uint32_t tickstart = 0;
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279
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280 /* Set RTC state */
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281 hrtc->State = HAL_RTC_STATE_BUSY;
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282
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283 /* Disable the write protection for RTC registers */
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284 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
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285
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286 /* Set Initialization mode */
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287 if(RTC_EnterInitMode(hrtc) != HAL_OK)
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288 {
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289 /* Enable the write protection for RTC registers */
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290 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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291
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292 /* Set RTC state */
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293 hrtc->State = HAL_RTC_STATE_ERROR;
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294
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295 return HAL_ERROR;
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296 }
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297 else
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298 {
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299 /* Reset TR, DR and CR registers */
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300 hrtc->Instance->TR = (uint32_t)0x00000000;
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301 hrtc->Instance->DR = (uint32_t)0x00002101;
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302 /* Reset All CR bits except CR[2:0] */
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303 hrtc->Instance->CR &= (uint32_t)0x00000007;
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304
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305 /* Get tick */
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306 tickstart = HAL_GetTick();
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307
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308 /* Wait till WUTWF flag is set and if Time out is reached exit */
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309 while(((hrtc->Instance->ISR) & RTC_ISR_WUTWF) == (uint32_t)RESET)
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310 {
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311 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
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312 {
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313 /* Enable the write protection for RTC registers */
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314 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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315
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316 /* Set RTC state */
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317 hrtc->State = HAL_RTC_STATE_TIMEOUT;
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318
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319 return HAL_TIMEOUT;
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320 }
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321 }
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322
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323 /* Reset all RTC CR register bits */
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324 hrtc->Instance->CR &= (uint32_t)0x00000000;
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325 hrtc->Instance->WUTR = (uint32_t)0x0000FFFF;
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326 hrtc->Instance->PRER = (uint32_t)0x007F00FF;
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327 hrtc->Instance->CALIBR = (uint32_t)0x00000000;
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328 hrtc->Instance->ALRMAR = (uint32_t)0x00000000;
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329 hrtc->Instance->ALRMBR = (uint32_t)0x00000000;
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330 hrtc->Instance->SHIFTR = (uint32_t)0x00000000;
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331 hrtc->Instance->CALR = (uint32_t)0x00000000;
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332 hrtc->Instance->ALRMASSR = (uint32_t)0x00000000;
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333 hrtc->Instance->ALRMBSSR = (uint32_t)0x00000000;
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334
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335 /* Reset ISR register and exit initialization mode */
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336 hrtc->Instance->ISR = (uint32_t)0x00000000;
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337
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338 /* Reset Tamper and alternate functions configuration register */
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339 hrtc->Instance->TAFCR = 0x00000000;
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340
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341 /* If RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
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342 if((hrtc->Instance->CR & RTC_CR_BYPSHAD) == RESET)
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343 {
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344 if(HAL_RTC_WaitForSynchro(hrtc) != HAL_OK)
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345 {
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346 /* Enable the write protection for RTC registers */
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347 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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348
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349 hrtc->State = HAL_RTC_STATE_ERROR;
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350
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351 return HAL_ERROR;
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352 }
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353 }
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354 }
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355
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356 /* Enable the write protection for RTC registers */
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357 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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358
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359 /* De-Initialize RTC MSP */
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360 HAL_RTC_MspDeInit(hrtc);
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361
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362 hrtc->State = HAL_RTC_STATE_RESET;
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363
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364 /* Release Lock */
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365 __HAL_UNLOCK(hrtc);
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366
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367 return HAL_OK;
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368 }
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369
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370 /**
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371 * @brief Initializes the RTC MSP.
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372 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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373 * the configuration information for RTC.
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374 * @retval None
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375 */
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376 __weak void HAL_RTC_MspInit(RTC_HandleTypeDef* hrtc)
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377 {
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378 /* NOTE : This function Should not be modified, when the callback is needed,
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379 the HAL_RTC_MspInit could be implemented in the user file
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380 */
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381 }
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382
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383 /**
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384 * @brief DeInitializes the RTC MSP.
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385 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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386 * the configuration information for RTC.
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387 * @retval None
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388 */
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389 __weak void HAL_RTC_MspDeInit(RTC_HandleTypeDef* hrtc)
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390 {
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391 /* NOTE : This function Should not be modified, when the callback is needed,
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392 the HAL_RTC_MspDeInit could be implemented in the user file
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393 */
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394 }
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395
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396 /**
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397 * @}
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398 */
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399
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400 /** @defgroup RTC_Exported_Functions_Group2 RTC Time and Date functions
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401 * @brief RTC Time and Date functions
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402 *
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403 @verbatim
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404 ===============================================================================
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405 ##### RTC Time and Date functions #####
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406 ===============================================================================
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407
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408 [..] This section provides functions allowing to configure Time and Date features
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409
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410 @endverbatim
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411 * @{
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412 */
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413
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414 /**
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415 * @brief Sets RTC current time.
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416 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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417 * the configuration information for RTC.
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418 * @param sTime: Pointer to Time structure
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419 * @param Format: Specifies the format of the entered parameters.
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420 * This parameter can be one of the following values:
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421 * @arg RTC_FORMAT_BIN: Binary data format
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422 * @arg RTC_FORMAT_BCD: BCD data format
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423 * @retval HAL status
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424 */
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425 HAL_StatusTypeDef HAL_RTC_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format)
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426 {
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427 uint32_t tmpreg = 0;
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428
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429 /* Check the parameters */
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430 assert_param(IS_RTC_FORMAT(Format));
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431 assert_param(IS_RTC_DAYLIGHT_SAVING(sTime->DayLightSaving));
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432 assert_param(IS_RTC_STORE_OPERATION(sTime->StoreOperation));
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433
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434 /* Process Locked */
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435 __HAL_LOCK(hrtc);
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436
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437 hrtc->State = HAL_RTC_STATE_BUSY;
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438
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439 if(Format == RTC_FORMAT_BIN)
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440 {
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441 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
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442 {
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443 assert_param(IS_RTC_HOUR12(sTime->Hours));
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444 assert_param(IS_RTC_HOURFORMAT12(sTime->TimeFormat));
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445 }
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446 else
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447 {
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448 sTime->TimeFormat = 0x00;
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449 assert_param(IS_RTC_HOUR24(sTime->Hours));
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450 }
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451 assert_param(IS_RTC_MINUTES(sTime->Minutes));
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452 assert_param(IS_RTC_SECONDS(sTime->Seconds));
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453
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454 tmpreg = (uint32_t)(((uint32_t)RTC_ByteToBcd2(sTime->Hours) << 16) | \
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455 ((uint32_t)RTC_ByteToBcd2(sTime->Minutes) << 8) | \
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456 ((uint32_t)RTC_ByteToBcd2(sTime->Seconds)) | \
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457 (((uint32_t)sTime->TimeFormat) << 16));
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458 }
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459 else
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460 {
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461 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
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462 {
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463 tmpreg = RTC_Bcd2ToByte(sTime->Hours);
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464 assert_param(IS_RTC_HOUR12(tmpreg));
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465 assert_param(IS_RTC_HOURFORMAT12(sTime->TimeFormat));
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466 }
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467 else
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468 {
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469 sTime->TimeFormat = 0x00;
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470 assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sTime->Hours)));
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471 }
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472 assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sTime->Minutes)));
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473 assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sTime->Seconds)));
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474 tmpreg = (((uint32_t)(sTime->Hours) << 16) | \
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475 ((uint32_t)(sTime->Minutes) << 8) | \
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476 ((uint32_t)sTime->Seconds) | \
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477 ((uint32_t)(sTime->TimeFormat) << 16));
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478 }
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479
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480 /* Disable the write protection for RTC registers */
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481 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
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482
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483 /* Set Initialization mode */
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484 if(RTC_EnterInitMode(hrtc) != HAL_OK)
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485 {
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486 /* Enable the write protection for RTC registers */
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487 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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488
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489 /* Set RTC state */
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490 hrtc->State = HAL_RTC_STATE_ERROR;
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491
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492 /* Process Unlocked */
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493 __HAL_UNLOCK(hrtc);
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494
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495 return HAL_ERROR;
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496 }
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497 else
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498 {
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499 /* Set the RTC_TR register */
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500 hrtc->Instance->TR = (uint32_t)(tmpreg & RTC_TR_RESERVED_MASK);
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501
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502 /* Clear the bits to be configured */
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503 hrtc->Instance->CR &= (uint32_t)~RTC_CR_BCK;
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504
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505 /* Configure the RTC_CR register */
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506 hrtc->Instance->CR |= (uint32_t)(sTime->DayLightSaving | sTime->StoreOperation);
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507
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parents:
diff changeset
508 /* Exit Initialization mode */
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509 hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT;
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510
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diff changeset
511 /* If CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
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512 if((hrtc->Instance->CR & RTC_CR_BYPSHAD) == RESET)
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513 {
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514 if(HAL_RTC_WaitForSynchro(hrtc) != HAL_OK)
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515 {
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diff changeset
516 /* Enable the write protection for RTC registers */
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517 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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diff changeset
518
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519 hrtc->State = HAL_RTC_STATE_ERROR;
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parents:
diff changeset
520
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521 /* Process Unlocked */
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522 __HAL_UNLOCK(hrtc);
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diff changeset
523
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524 return HAL_ERROR;
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525 }
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526 }
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heinrichsweikamp
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527
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parents:
diff changeset
528 /* Enable the write protection for RTC registers */
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529 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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parents:
diff changeset
530
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531 hrtc->State = HAL_RTC_STATE_READY;
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532
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533 __HAL_UNLOCK(hrtc);
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534
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535 return HAL_OK;
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536 }
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537 }
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heinrichsweikamp
parents:
diff changeset
538
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539 /**
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540 * @brief Gets RTC current time.
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541 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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542 * the configuration information for RTC.
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543 * @param sTime: Pointer to Time structure
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544 * @param Format: Specifies the format of the entered parameters.
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545 * This parameter can be one of the following values:
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546 * @arg RTC_FORMAT_BIN: Binary data format
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parents:
diff changeset
547 * @arg RTC_FORMAT_BCD: BCD data format
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parents:
diff changeset
548 * @note You must call HAL_RTC_GetDate() after HAL_RTC_GetTime() to unlock the values
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549 * in the higher-order calendar shadow registers to ensure consistency between the time and date values.
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parents:
diff changeset
550 * Reading RTC current time locks the values in calendar shadow registers until Current date is read.
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551 * @retval HAL status
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552 */
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diff changeset
553 HAL_StatusTypeDef HAL_RTC_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format)
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554 {
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555 uint32_t tmpreg = 0;
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556
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parents:
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557 /* Check the parameters */
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diff changeset
558 assert_param(IS_RTC_FORMAT(Format));
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diff changeset
559
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parents:
diff changeset
560 /* Get subseconds values from the correspondent registers*/
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parents:
diff changeset
561 sTime->SubSeconds = (uint32_t)(hrtc->Instance->SSR);
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parents:
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562
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parents:
diff changeset
563 /* Get the TR register */
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564 tmpreg = (uint32_t)(hrtc->Instance->TR & RTC_TR_RESERVED_MASK);
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565
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parents:
diff changeset
566 /* Fill the structure fields with the read parameters */
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567 sTime->Hours = (uint8_t)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16);
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568 sTime->Minutes = (uint8_t)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >>8);
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569 sTime->Seconds = (uint8_t)(tmpreg & (RTC_TR_ST | RTC_TR_SU));
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570 sTime->TimeFormat = (uint8_t)((tmpreg & (RTC_TR_PM)) >> 16);
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571
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parents:
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572 /* Check the input parameters format */
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573 if(Format == RTC_FORMAT_BIN)
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574 {
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parents:
diff changeset
575 /* Convert the time structure parameters to Binary format */
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576 sTime->Hours = (uint8_t)RTC_Bcd2ToByte(sTime->Hours);
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577 sTime->Minutes = (uint8_t)RTC_Bcd2ToByte(sTime->Minutes);
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578 sTime->Seconds = (uint8_t)RTC_Bcd2ToByte(sTime->Seconds);
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579 }
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580
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581 return HAL_OK;
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582 }
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583
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parents:
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584 /**
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585 * @brief Sets RTC current date.
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586 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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587 * the configuration information for RTC.
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588 * @param sDate: Pointer to date structure
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589 * @param Format: specifies the format of the entered parameters.
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590 * This parameter can be one of the following values:
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591 * @arg RTC_FORMAT_BIN: Binary data format
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592 * @arg RTC_FORMAT_BCD: BCD data format
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593 * @retval HAL status
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parents:
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594 */
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595 HAL_StatusTypeDef HAL_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format)
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596 {
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597 uint32_t datetmpreg = 0;
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parents:
diff changeset
598
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parents:
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599 /* Check the parameters */
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600 assert_param(IS_RTC_FORMAT(Format));
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parents:
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601
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parents:
diff changeset
602 /* Process Locked */
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603 __HAL_LOCK(hrtc);
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604
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605 hrtc->State = HAL_RTC_STATE_BUSY;
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parents:
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606
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607 if((Format == RTC_FORMAT_BIN) && ((sDate->Month & 0x10) == 0x10))
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608 {
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609 sDate->Month = (uint8_t)((sDate->Month & (uint8_t)~(0x10)) + (uint8_t)0x0A);
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610 }
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parents:
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611
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612 assert_param(IS_RTC_WEEKDAY(sDate->WeekDay));
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613
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614 if(Format == RTC_FORMAT_BIN)
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615 {
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616 assert_param(IS_RTC_YEAR(sDate->Year));
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617 assert_param(IS_RTC_MONTH(sDate->Month));
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618 assert_param(IS_RTC_DATE(sDate->Date));
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619
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620 datetmpreg = (((uint32_t)RTC_ByteToBcd2(sDate->Year) << 16) | \
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621 ((uint32_t)RTC_ByteToBcd2(sDate->Month) << 8) | \
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622 ((uint32_t)RTC_ByteToBcd2(sDate->Date)) | \
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623 ((uint32_t)sDate->WeekDay << 13));
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624 }
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625 else
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626 {
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627 assert_param(IS_RTC_YEAR(RTC_Bcd2ToByte(sDate->Year)));
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628 datetmpreg = RTC_Bcd2ToByte(sDate->Month);
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629 assert_param(IS_RTC_MONTH(datetmpreg));
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630 datetmpreg = RTC_Bcd2ToByte(sDate->Date);
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parents:
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631 assert_param(IS_RTC_DATE(datetmpreg));
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632
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parents:
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633 datetmpreg = ((((uint32_t)sDate->Year) << 16) | \
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634 (((uint32_t)sDate->Month) << 8) | \
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parents:
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635 ((uint32_t)sDate->Date) | \
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636 (((uint32_t)sDate->WeekDay) << 13));
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637 }
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heinrichsweikamp
parents:
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638
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heinrichsweikamp
parents:
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639 /* Disable the write protection for RTC registers */
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parents:
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640 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
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parents:
diff changeset
641
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heinrichsweikamp
parents:
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642 /* Set Initialization mode */
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parents:
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643 if(RTC_EnterInitMode(hrtc) != HAL_OK)
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parents:
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644 {
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parents:
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645 /* Enable the write protection for RTC registers */
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heinrichsweikamp
parents:
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646 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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parents:
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647
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parents:
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648 /* Set RTC state*/
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649 hrtc->State = HAL_RTC_STATE_ERROR;
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parents:
diff changeset
650
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parents:
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651 /* Process Unlocked */
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652 __HAL_UNLOCK(hrtc);
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653
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654 return HAL_ERROR;
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655 }
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656 else
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657 {
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parents:
diff changeset
658 /* Set the RTC_DR register */
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659 hrtc->Instance->DR = (uint32_t)(datetmpreg & RTC_DR_RESERVED_MASK);
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parents:
diff changeset
660
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parents:
diff changeset
661 /* Exit Initialization mode */
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diff changeset
662 hrtc->Instance->ISR &= (uint32_t)~RTC_ISR_INIT;
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663
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parents:
diff changeset
664 /* If CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
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665 if((hrtc->Instance->CR & RTC_CR_BYPSHAD) == RESET)
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parents:
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666 {
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667 if(HAL_RTC_WaitForSynchro(hrtc) != HAL_OK)
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668 {
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parents:
diff changeset
669 /* Enable the write protection for RTC registers */
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parents:
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670 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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parents:
diff changeset
671
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672 hrtc->State = HAL_RTC_STATE_ERROR;
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673
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parents:
diff changeset
674 /* Process Unlocked */
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675 __HAL_UNLOCK(hrtc);
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diff changeset
676
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677 return HAL_ERROR;
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678 }
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679 }
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parents:
diff changeset
680
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parents:
diff changeset
681 /* Enable the write protection for RTC registers */
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parents:
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682 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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heinrichsweikamp
parents:
diff changeset
683
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684 hrtc->State = HAL_RTC_STATE_READY ;
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685
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parents:
diff changeset
686 /* Process Unlocked */
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parents:
diff changeset
687 __HAL_UNLOCK(hrtc);
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diff changeset
688
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689 return HAL_OK;
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diff changeset
690 }
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parents:
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691 }
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heinrichsweikamp
parents:
diff changeset
692
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parents:
diff changeset
693 /**
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diff changeset
694 * @brief Gets RTC current date.
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diff changeset
695 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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parents:
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696 * the configuration information for RTC.
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parents:
diff changeset
697 * @param sDate: Pointer to Date structure
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diff changeset
698 * @param Format: Specifies the format of the entered parameters.
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parents:
diff changeset
699 * This parameter can be one of the following values:
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parents:
diff changeset
700 * @arg RTC_FORMAT_BIN: Binary data format
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parents:
diff changeset
701 * @arg RTC_FORMAT_BCD: BCD data format
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parents:
diff changeset
702 * @note You must call HAL_RTC_GetDate() after HAL_RTC_GetTime() to unlock the values
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703 * in the higher-order calendar shadow registers to ensure consistency between the time and date values.
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parents:
diff changeset
704 * Reading RTC current time locks the values in calendar shadow registers until Current date is read.
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parents:
diff changeset
705 * @retval HAL status
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706 */
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parents:
diff changeset
707 HAL_StatusTypeDef HAL_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format)
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diff changeset
708 {
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diff changeset
709 uint32_t datetmpreg = 0;
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parents:
diff changeset
710
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parents:
diff changeset
711 /* Check the parameters */
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parents:
diff changeset
712 assert_param(IS_RTC_FORMAT(Format));
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parents:
diff changeset
713
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heinrichsweikamp
parents:
diff changeset
714 /* Get the DR register */
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parents:
diff changeset
715 datetmpreg = (uint32_t)(hrtc->Instance->DR & RTC_DR_RESERVED_MASK);
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heinrichsweikamp
parents:
diff changeset
716
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parents:
diff changeset
717 /* Fill the structure fields with the read parameters */
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diff changeset
718 sDate->Year = (uint8_t)((datetmpreg & (RTC_DR_YT | RTC_DR_YU)) >> 16);
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719 sDate->Month = (uint8_t)((datetmpreg & (RTC_DR_MT | RTC_DR_MU)) >> 8);
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parents:
diff changeset
720 sDate->Date = (uint8_t)(datetmpreg & (RTC_DR_DT | RTC_DR_DU));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
721 sDate->WeekDay = (uint8_t)((datetmpreg & (RTC_DR_WDU)) >> 13);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
722
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
723 /* Check the input parameters format */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
724 if(Format == RTC_FORMAT_BIN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
725 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
726 /* Convert the date structure parameters to Binary format */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
727 sDate->Year = (uint8_t)RTC_Bcd2ToByte(sDate->Year);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
728 sDate->Month = (uint8_t)RTC_Bcd2ToByte(sDate->Month);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
729 sDate->Date = (uint8_t)RTC_Bcd2ToByte(sDate->Date);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
730 }
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heinrichsweikamp
parents:
diff changeset
731 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
732 }
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heinrichsweikamp
parents:
diff changeset
733
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heinrichsweikamp
parents:
diff changeset
734 /**
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heinrichsweikamp
parents:
diff changeset
735 * @}
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heinrichsweikamp
parents:
diff changeset
736 */
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heinrichsweikamp
parents:
diff changeset
737
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
738 /** @defgroup RTC_Exported_Functions_Group3 RTC Alarm functions
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
739 * @brief RTC Alarm functions
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
740 *
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heinrichsweikamp
parents:
diff changeset
741 @verbatim
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
742 ===============================================================================
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
743 ##### RTC Alarm functions #####
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
744 ===============================================================================
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
745
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heinrichsweikamp
parents:
diff changeset
746 [..] This section provides functions allowing to configure Alarm feature
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
747
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heinrichsweikamp
parents:
diff changeset
748 @endverbatim
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heinrichsweikamp
parents:
diff changeset
749 * @{
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
750 */
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heinrichsweikamp
parents:
diff changeset
751 /**
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heinrichsweikamp
parents:
diff changeset
752 * @brief Sets the specified RTC Alarm.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
753 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
754 * the configuration information for RTC.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
755 * @param sAlarm: Pointer to Alarm structure
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
756 * @param Format: Specifies the format of the entered parameters.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
757 * This parameter can be one of the following values:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
758 * @arg RTC_FORMAT_BIN: Binary data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
759 * @arg RTC_FORMAT_BCD: BCD data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
760 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
761 */
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heinrichsweikamp
parents:
diff changeset
762 HAL_StatusTypeDef HAL_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
763 {
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heinrichsweikamp
parents:
diff changeset
764 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
765 uint32_t tmpreg = 0, subsecondtmpreg = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
766
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heinrichsweikamp
parents:
diff changeset
767 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
768 assert_param(IS_RTC_FORMAT(Format));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
769 assert_param(IS_RTC_ALARM(sAlarm->Alarm));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
770 assert_param(IS_RTC_ALARM_MASK(sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
771 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(sAlarm->AlarmDateWeekDaySel));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
772 assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(sAlarm->AlarmTime.SubSeconds));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
773 assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(sAlarm->AlarmSubSecondMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
774
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
775 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
776 __HAL_LOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
777
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
778 hrtc->State = HAL_RTC_STATE_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
779
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
780 if(Format == RTC_FORMAT_BIN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
781 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
782 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
783 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
784 assert_param(IS_RTC_HOUR12(sAlarm->AlarmTime.Hours));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
785 assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
786 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
787 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
788 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
789 sAlarm->AlarmTime.TimeFormat = 0x00;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
790 assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
791 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
792 assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
793 assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
794
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
795 if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
796 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
797 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(sAlarm->AlarmDateWeekDay));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
798 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
799 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
800 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
801 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(sAlarm->AlarmDateWeekDay));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
802 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
803
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
804 tmpreg = (((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Hours) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
805 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Minutes) << 8) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
806 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Seconds)) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
807 ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
808 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmDateWeekDay) << 24) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
809 ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
810 ((uint32_t)sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
811 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
812 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
813 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
814 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
815 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
816 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
817 assert_param(IS_RTC_HOUR12(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
818 assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
819 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
820 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
821 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
822 sAlarm->AlarmTime.TimeFormat = 0x00;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
823 assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
824 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
825
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
826 assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
827 assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
828
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
829 if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
830 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
831 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
832 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
833 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
834 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
835 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
836 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
837 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
838 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
839
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
840 tmpreg = (((uint32_t)(sAlarm->AlarmTime.Hours) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
841 ((uint32_t)(sAlarm->AlarmTime.Minutes) << 8) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
842 ((uint32_t) sAlarm->AlarmTime.Seconds) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
843 ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
844 ((uint32_t)(sAlarm->AlarmDateWeekDay) << 24) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
845 ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
846 ((uint32_t)sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
847 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
848
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
849 /* Configure the Alarm A or Alarm B Sub Second registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
850 subsecondtmpreg = (uint32_t)((uint32_t)(sAlarm->AlarmTime.SubSeconds) | (uint32_t)(sAlarm->AlarmSubSecondMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
851
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
852 /* Disable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
853 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
854
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
855 /* Configure the Alarm register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
856 if(sAlarm->Alarm == RTC_ALARM_A)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
857 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
858 /* Disable the Alarm A interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
859 __HAL_RTC_ALARMA_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
860
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
861 /* In case of interrupt mode is used, the interrupt source must disabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
862 __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRA);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
863
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
864 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
865 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
866
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
867 /* Wait till RTC ALRAWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
868 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
869 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
870 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
871 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
872 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
873 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
874
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
875 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
876
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
877 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
878 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
879
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
880 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
881 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
882 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
883
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
884 hrtc->Instance->ALRMAR = (uint32_t)tmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
885 /* Configure the Alarm A Sub Second register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
886 hrtc->Instance->ALRMASSR = subsecondtmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
887 /* Configure the Alarm state: Enable Alarm */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
888 __HAL_RTC_ALARMA_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
889 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
890 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
891 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
892 /* Disable the Alarm B interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
893 __HAL_RTC_ALARMB_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
894
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
895 /* In case of interrupt mode is used, the interrupt source must disabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
896 __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRB);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
897
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
898 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
899 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
900
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
901 /* Wait till RTC ALRBWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
902 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
903 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
904 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
905 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
906 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
907 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
908
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
909 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
910
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
911 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
912 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
913
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heinrichsweikamp
parents:
diff changeset
914 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
915 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
916 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
917
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
918 hrtc->Instance->ALRMBR = (uint32_t)tmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
919 /* Configure the Alarm B Sub Second register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
920 hrtc->Instance->ALRMBSSR = subsecondtmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
921 /* Configure the Alarm state: Enable Alarm */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
922 __HAL_RTC_ALARMB_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
923 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
924
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
925 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
926 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
927
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
928 /* Change RTC state */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
929 hrtc->State = HAL_RTC_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
930
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heinrichsweikamp
parents:
diff changeset
931 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
932 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
933
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heinrichsweikamp
parents:
diff changeset
934 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
935 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
936
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
937 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
938 * @brief Sets the specified RTC Alarm with Interrupt
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
939 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
940 * the configuration information for RTC.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
941 * @param sAlarm: Pointer to Alarm structure
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
942 * @param Format: Specifies the format of the entered parameters.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
943 * This parameter can be one of the following values:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
944 * @arg RTC_FORMAT_BIN: Binary data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
945 * @arg RTC_FORMAT_BCD: BCD data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
946 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
947 */
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heinrichsweikamp
parents:
diff changeset
948 HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
949 {
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heinrichsweikamp
parents:
diff changeset
950 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
951 uint32_t tmpreg = 0, subsecondtmpreg = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
952
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heinrichsweikamp
parents:
diff changeset
953 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
954 assert_param(IS_RTC_FORMAT(Format));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
955 assert_param(IS_RTC_ALARM(sAlarm->Alarm));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
956 assert_param(IS_RTC_ALARM_MASK(sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
957 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_SEL(sAlarm->AlarmDateWeekDaySel));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
958 assert_param(IS_RTC_ALARM_SUB_SECOND_VALUE(sAlarm->AlarmTime.SubSeconds));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
959 assert_param(IS_RTC_ALARM_SUB_SECOND_MASK(sAlarm->AlarmSubSecondMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
960
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
961 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
962 __HAL_LOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
963
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
964 hrtc->State = HAL_RTC_STATE_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
965
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
966 if(Format == RTC_FORMAT_BIN)
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heinrichsweikamp
parents:
diff changeset
967 {
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heinrichsweikamp
parents:
diff changeset
968 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
969 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
970 assert_param(IS_RTC_HOUR12(sAlarm->AlarmTime.Hours));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
971 assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
972 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
973 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
974 {
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heinrichsweikamp
parents:
diff changeset
975 sAlarm->AlarmTime.TimeFormat = 0x00;
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heinrichsweikamp
parents:
diff changeset
976 assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
977 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
978 assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes));
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heinrichsweikamp
parents:
diff changeset
979 assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
980
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heinrichsweikamp
parents:
diff changeset
981 if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE)
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heinrichsweikamp
parents:
diff changeset
982 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
983 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(sAlarm->AlarmDateWeekDay));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
984 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
985 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
986 {
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heinrichsweikamp
parents:
diff changeset
987 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(sAlarm->AlarmDateWeekDay));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
988 }
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heinrichsweikamp
parents:
diff changeset
989 tmpreg = (((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Hours) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
990 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Minutes) << 8) | \
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heinrichsweikamp
parents:
diff changeset
991 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmTime.Seconds)) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
992 ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
993 ((uint32_t)RTC_ByteToBcd2(sAlarm->AlarmDateWeekDay) << 24) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
994 ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
995 ((uint32_t)sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
996 }
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heinrichsweikamp
parents:
diff changeset
997 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
998 {
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heinrichsweikamp
parents:
diff changeset
999 if((hrtc->Instance->CR & RTC_CR_FMT) != (uint32_t)RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1000 {
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heinrichsweikamp
parents:
diff changeset
1001 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1002 assert_param(IS_RTC_HOUR12(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1003 assert_param(IS_RTC_HOURFORMAT12(sAlarm->AlarmTime.TimeFormat));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1004 }
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heinrichsweikamp
parents:
diff changeset
1005 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1006 {
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heinrichsweikamp
parents:
diff changeset
1007 sAlarm->AlarmTime.TimeFormat = 0x00;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1008 assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1009 }
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heinrichsweikamp
parents:
diff changeset
1010
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heinrichsweikamp
parents:
diff changeset
1011 assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1012 assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1013
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heinrichsweikamp
parents:
diff changeset
1014 if(sAlarm->AlarmDateWeekDaySel == RTC_ALARMDATEWEEKDAYSEL_DATE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1015 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1016 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1017 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_DATE(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1018 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1019 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1020 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1021 tmpreg = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1022 assert_param(IS_RTC_ALARM_DATE_WEEKDAY_WEEKDAY(tmpreg));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1023 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1024 tmpreg = (((uint32_t)(sAlarm->AlarmTime.Hours) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1025 ((uint32_t)(sAlarm->AlarmTime.Minutes) << 8) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1026 ((uint32_t) sAlarm->AlarmTime.Seconds) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1027 ((uint32_t)(sAlarm->AlarmTime.TimeFormat) << 16) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1028 ((uint32_t)(sAlarm->AlarmDateWeekDay) << 24) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1029 ((uint32_t)sAlarm->AlarmDateWeekDaySel) | \
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1030 ((uint32_t)sAlarm->AlarmMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1031 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1032 /* Configure the Alarm A or Alarm B Sub Second registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1033 subsecondtmpreg = (uint32_t)((uint32_t)(sAlarm->AlarmTime.SubSeconds) | (uint32_t)(sAlarm->AlarmSubSecondMask));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1034
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1035 /* Disable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1036 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1037
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1038 /* Configure the Alarm register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1039 if(sAlarm->Alarm == RTC_ALARM_A)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1040 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1041 /* Disable the Alarm A interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1042 __HAL_RTC_ALARMA_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1043
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1044 /* Clear flag alarm A */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1045 __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1046
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1047 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1048 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1049
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1050 /* Wait till RTC ALRAWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1051 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1052 {
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heinrichsweikamp
parents:
diff changeset
1053 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1054 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1055 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1056 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1057
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1058 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1059
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1060 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1061 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1062
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1063 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1064 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1065 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1066
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1067 hrtc->Instance->ALRMAR = (uint32_t)tmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1068 /* Configure the Alarm A Sub Second register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1069 hrtc->Instance->ALRMASSR = subsecondtmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1070 /* Configure the Alarm state: Enable Alarm */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1071 __HAL_RTC_ALARMA_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1072 /* Configure the Alarm interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1073 __HAL_RTC_ALARM_ENABLE_IT(hrtc,RTC_IT_ALRA);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1074 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1075 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1076 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1077 /* Disable the Alarm B interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1078 __HAL_RTC_ALARMB_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1079
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1080 /* Clear flag alarm B */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1081 __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRBF);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1082
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1083 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1084 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1085
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1086 /* Wait till RTC ALRBWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1087 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1088 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1089 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1090 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1091 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1092 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1093
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1094 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1095
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1096 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1097 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1098
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heinrichsweikamp
parents:
diff changeset
1099 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1100 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1101 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1102
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1103 hrtc->Instance->ALRMBR = (uint32_t)tmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1104 /* Configure the Alarm B Sub Second register */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1105 hrtc->Instance->ALRMBSSR = subsecondtmpreg;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1106 /* Configure the Alarm state: Enable Alarm */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1107 __HAL_RTC_ALARMB_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1108 /* Configure the Alarm interrupt */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1109 __HAL_RTC_ALARM_ENABLE_IT(hrtc, RTC_IT_ALRB);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1110 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1111
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1112 /* RTC Alarm Interrupt Configuration: EXTI configuration */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1113 __HAL_RTC_ALARM_EXTI_ENABLE_IT();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1114
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heinrichsweikamp
parents:
diff changeset
1115 EXTI->RTSR |= RTC_EXTI_LINE_ALARM_EVENT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1116
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1117 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1118 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1119
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1120 hrtc->State = HAL_RTC_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1121
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1122 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1123 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1124
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1125 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1126 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1127
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1128 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1129 * @brief Deactive the specified RTC Alarm
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1130 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1131 * the configuration information for RTC.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1132 * @param Alarm: Specifies the Alarm.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1133 * This parameter can be one of the following values:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1134 * @arg RTC_ALARM_A: AlarmA
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1135 * @arg RTC_ALARM_B: AlarmB
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1136 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1137 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1138 HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1139 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1140 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1141
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1142 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1143 assert_param(IS_RTC_ALARM(Alarm));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1144
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1145 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1146 __HAL_LOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1147
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1148 hrtc->State = HAL_RTC_STATE_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1149
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1150 /* Disable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1151 __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1152
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1153 if(Alarm == RTC_ALARM_A)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1154 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1155 /* AlarmA */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1156 __HAL_RTC_ALARMA_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1157
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1158 /* In case of interrupt mode is used, the interrupt source must disabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1159 __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRA);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1160
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1161 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1162 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1163
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1164 /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1165 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1166 {
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heinrichsweikamp
parents:
diff changeset
1167 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1168 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1169 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1170 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1171
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heinrichsweikamp
parents:
diff changeset
1172 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1173
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1174 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1175 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1176
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1177 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1178 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1179 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1180 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1181 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1182 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1183 /* AlarmB */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1184 __HAL_RTC_ALARMB_DISABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1185
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1186 /* In case of interrupt mode is used, the interrupt source must disabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1187 __HAL_RTC_ALARM_DISABLE_IT(hrtc,RTC_IT_ALRB);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1188
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1189 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1190 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1191
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1192 /* Wait till RTC ALRxWF flag is set and if Time out is reached exit */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1193 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBWF) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1194 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1195 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1196 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1197 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1198 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1199
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1200 hrtc->State = HAL_RTC_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1201
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1202 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1203 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1204
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1205 return HAL_TIMEOUT;
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heinrichsweikamp
parents:
diff changeset
1206 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1207 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1208 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1209 /* Enable the write protection for RTC registers */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1210 __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1211
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1212 hrtc->State = HAL_RTC_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1213
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1214 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1215 __HAL_UNLOCK(hrtc);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1216
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1217 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1218 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1219
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1220 /**
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heinrichsweikamp
parents:
diff changeset
1221 * @brief Gets the RTC Alarm value and masks.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1222 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1223 * the configuration information for RTC.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1224 * @param sAlarm: Pointer to Date structure
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1225 * @param Alarm: Specifies the Alarm.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1226 * This parameter can be one of the following values:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1227 * @arg RTC_ALARM_A: AlarmA
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1228 * @arg RTC_ALARM_B: AlarmB
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1229 * @param Format: Specifies the format of the entered parameters.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1230 * This parameter can be one of the following values:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1231 * @arg RTC_FORMAT_BIN: Binary data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1232 * @arg RTC_FORMAT_BCD: BCD data format
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1233 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1234 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1235 HAL_StatusTypeDef HAL_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1236 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1237 uint32_t tmpreg = 0, subsecondtmpreg = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1238
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1239 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1240 assert_param(IS_RTC_FORMAT(Format));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1241 assert_param(IS_RTC_ALARM(Alarm));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1242
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1243 if(Alarm == RTC_ALARM_A)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1244 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1245 /* AlarmA */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1246 sAlarm->Alarm = RTC_ALARM_A;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1247
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1248 tmpreg = (uint32_t)(hrtc->Instance->ALRMAR);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1249 subsecondtmpreg = (uint32_t)((hrtc->Instance->ALRMASSR ) & RTC_ALRMASSR_SS);
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heinrichsweikamp
parents:
diff changeset
1250 }
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heinrichsweikamp
parents:
diff changeset
1251 else
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heinrichsweikamp
parents:
diff changeset
1252 {
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heinrichsweikamp
parents:
diff changeset
1253 sAlarm->Alarm = RTC_ALARM_B;
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heinrichsweikamp
parents:
diff changeset
1254
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heinrichsweikamp
parents:
diff changeset
1255 tmpreg = (uint32_t)(hrtc->Instance->ALRMBR);
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heinrichsweikamp
parents:
diff changeset
1256 subsecondtmpreg = (uint32_t)((hrtc->Instance->ALRMBSSR) & RTC_ALRMBSSR_SS);
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heinrichsweikamp
parents:
diff changeset
1257 }
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heinrichsweikamp
parents:
diff changeset
1258
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heinrichsweikamp
parents:
diff changeset
1259 /* Fill the structure with the read parameters */
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parents:
diff changeset
1260 sAlarm->AlarmTime.Hours = (uint32_t)((tmpreg & (RTC_ALRMAR_HT | RTC_ALRMAR_HU)) >> 16);
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heinrichsweikamp
parents:
diff changeset
1261 sAlarm->AlarmTime.Minutes = (uint32_t)((tmpreg & (RTC_ALRMAR_MNT | RTC_ALRMAR_MNU)) >> 8);
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heinrichsweikamp
parents:
diff changeset
1262 sAlarm->AlarmTime.Seconds = (uint32_t)(tmpreg & (RTC_ALRMAR_ST | RTC_ALRMAR_SU));
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heinrichsweikamp
parents:
diff changeset
1263 sAlarm->AlarmTime.TimeFormat = (uint32_t)((tmpreg & RTC_ALRMAR_PM) >> 16);
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heinrichsweikamp
parents:
diff changeset
1264 sAlarm->AlarmTime.SubSeconds = (uint32_t) subsecondtmpreg;
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heinrichsweikamp
parents:
diff changeset
1265 sAlarm->AlarmDateWeekDay = (uint32_t)((tmpreg & (RTC_ALRMAR_DT | RTC_ALRMAR_DU)) >> 24);
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heinrichsweikamp
parents:
diff changeset
1266 sAlarm->AlarmDateWeekDaySel = (uint32_t)(tmpreg & RTC_ALRMAR_WDSEL);
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heinrichsweikamp
parents:
diff changeset
1267 sAlarm->AlarmMask = (uint32_t)(tmpreg & RTC_ALARMMASK_ALL);
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heinrichsweikamp
parents:
diff changeset
1268
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heinrichsweikamp
parents:
diff changeset
1269 if(Format == RTC_FORMAT_BIN)
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parents:
diff changeset
1270 {
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heinrichsweikamp
parents:
diff changeset
1271 sAlarm->AlarmTime.Hours = RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours);
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heinrichsweikamp
parents:
diff changeset
1272 sAlarm->AlarmTime.Minutes = RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes);
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heinrichsweikamp
parents:
diff changeset
1273 sAlarm->AlarmTime.Seconds = RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds);
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heinrichsweikamp
parents:
diff changeset
1274 sAlarm->AlarmDateWeekDay = RTC_Bcd2ToByte(sAlarm->AlarmDateWeekDay);
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parents:
diff changeset
1275 }
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heinrichsweikamp
parents:
diff changeset
1276
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parents:
diff changeset
1277 return HAL_OK;
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parents:
diff changeset
1278 }
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heinrichsweikamp
parents:
diff changeset
1279
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heinrichsweikamp
parents:
diff changeset
1280 /**
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parents:
diff changeset
1281 * @brief This function handles Alarm interrupt request.
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parents:
diff changeset
1282 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
1283 * the configuration information for RTC.
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heinrichsweikamp
parents:
diff changeset
1284 * @retval None
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parents:
diff changeset
1285 */
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heinrichsweikamp
parents:
diff changeset
1286 void HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef* hrtc)
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parents:
diff changeset
1287 {
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parents:
diff changeset
1288 if(__HAL_RTC_ALARM_GET_IT(hrtc, RTC_IT_ALRA))
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heinrichsweikamp
parents:
diff changeset
1289 {
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heinrichsweikamp
parents:
diff changeset
1290 /* Get the status of the Interrupt */
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heinrichsweikamp
parents:
diff changeset
1291 if((uint32_t)(hrtc->Instance->CR & RTC_IT_ALRA) != (uint32_t)RESET)
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heinrichsweikamp
parents:
diff changeset
1292 {
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heinrichsweikamp
parents:
diff changeset
1293 /* AlarmA callback */
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heinrichsweikamp
parents:
diff changeset
1294 HAL_RTC_AlarmAEventCallback(hrtc);
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heinrichsweikamp
parents:
diff changeset
1295
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heinrichsweikamp
parents:
diff changeset
1296 /* Clear the Alarm interrupt pending bit */
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heinrichsweikamp
parents:
diff changeset
1297 __HAL_RTC_ALARM_CLEAR_FLAG(hrtc,RTC_FLAG_ALRAF);
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heinrichsweikamp
parents:
diff changeset
1298 }
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heinrichsweikamp
parents:
diff changeset
1299 }
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heinrichsweikamp
parents:
diff changeset
1300
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heinrichsweikamp
parents:
diff changeset
1301 if(__HAL_RTC_ALARM_GET_IT(hrtc, RTC_IT_ALRB))
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heinrichsweikamp
parents:
diff changeset
1302 {
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heinrichsweikamp
parents:
diff changeset
1303 /* Get the status of the Interrupt */
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heinrichsweikamp
parents:
diff changeset
1304 if((uint32_t)(hrtc->Instance->CR & RTC_IT_ALRB) != (uint32_t)RESET)
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heinrichsweikamp
parents:
diff changeset
1305 {
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heinrichsweikamp
parents:
diff changeset
1306 /* AlarmB callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1307 HAL_RTCEx_AlarmBEventCallback(hrtc);
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heinrichsweikamp
parents:
diff changeset
1308
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heinrichsweikamp
parents:
diff changeset
1309 /* Clear the Alarm interrupt pending bit */
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heinrichsweikamp
parents:
diff changeset
1310 __HAL_RTC_ALARM_CLEAR_FLAG(hrtc,RTC_FLAG_ALRBF);
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heinrichsweikamp
parents:
diff changeset
1311 }
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heinrichsweikamp
parents:
diff changeset
1312 }
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heinrichsweikamp
parents:
diff changeset
1313
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heinrichsweikamp
parents:
diff changeset
1314 /* Clear the EXTI's line Flag for RTC Alarm */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1315 __HAL_RTC_ALARM_EXTI_CLEAR_FLAG();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1316
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heinrichsweikamp
parents:
diff changeset
1317 /* Change RTC state */
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heinrichsweikamp
parents:
diff changeset
1318 hrtc->State = HAL_RTC_STATE_READY;
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heinrichsweikamp
parents:
diff changeset
1319 }
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heinrichsweikamp
parents:
diff changeset
1320
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heinrichsweikamp
parents:
diff changeset
1321 /**
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heinrichsweikamp
parents:
diff changeset
1322 * @brief Alarm A callback.
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heinrichsweikamp
parents:
diff changeset
1323 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1324 * the configuration information for RTC.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1325 * @retval None
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heinrichsweikamp
parents:
diff changeset
1326 */
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heinrichsweikamp
parents:
diff changeset
1327 __weak void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
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heinrichsweikamp
parents:
diff changeset
1328 {
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heinrichsweikamp
parents:
diff changeset
1329 /* NOTE : This function Should not be modified, when the callback is needed,
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1330 the HAL_RTC_AlarmAEventCallback could be implemented in the user file
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1331 */
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heinrichsweikamp
parents:
diff changeset
1332 }
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heinrichsweikamp
parents:
diff changeset
1333
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heinrichsweikamp
parents:
diff changeset
1334 /**
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heinrichsweikamp
parents:
diff changeset
1335 * @brief This function handles AlarmA Polling request.
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heinrichsweikamp
parents:
diff changeset
1336 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1337 * the configuration information for RTC.
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heinrichsweikamp
parents:
diff changeset
1338 * @param Timeout: Timeout duration
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heinrichsweikamp
parents:
diff changeset
1339 * @retval HAL status
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heinrichsweikamp
parents:
diff changeset
1340 */
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heinrichsweikamp
parents:
diff changeset
1341 HAL_StatusTypeDef HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout)
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heinrichsweikamp
parents:
diff changeset
1342 {
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heinrichsweikamp
parents:
diff changeset
1343 uint32_t tickstart = 0;
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heinrichsweikamp
parents:
diff changeset
1344
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heinrichsweikamp
parents:
diff changeset
1345 /* Get tick */
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heinrichsweikamp
parents:
diff changeset
1346 tickstart = HAL_GetTick();
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heinrichsweikamp
parents:
diff changeset
1347
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heinrichsweikamp
parents:
diff changeset
1348 while(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) == RESET)
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heinrichsweikamp
parents:
diff changeset
1349 {
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heinrichsweikamp
parents:
diff changeset
1350 if(Timeout != HAL_MAX_DELAY)
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heinrichsweikamp
parents:
diff changeset
1351 {
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heinrichsweikamp
parents:
diff changeset
1352 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
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heinrichsweikamp
parents:
diff changeset
1353 {
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heinrichsweikamp
parents:
diff changeset
1354 hrtc->State = HAL_RTC_STATE_TIMEOUT;
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heinrichsweikamp
parents:
diff changeset
1355 return HAL_TIMEOUT;
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heinrichsweikamp
parents:
diff changeset
1356 }
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heinrichsweikamp
parents:
diff changeset
1357 }
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heinrichsweikamp
parents:
diff changeset
1358 }
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heinrichsweikamp
parents:
diff changeset
1359
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heinrichsweikamp
parents:
diff changeset
1360 /* Clear the Alarm interrupt pending bit */
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heinrichsweikamp
parents:
diff changeset
1361 __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
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heinrichsweikamp
parents:
diff changeset
1362
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heinrichsweikamp
parents:
diff changeset
1363 /* Change RTC state */
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heinrichsweikamp
parents:
diff changeset
1364 hrtc->State = HAL_RTC_STATE_READY;
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heinrichsweikamp
parents:
diff changeset
1365
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heinrichsweikamp
parents:
diff changeset
1366 return HAL_OK;
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heinrichsweikamp
parents:
diff changeset
1367 }
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heinrichsweikamp
parents:
diff changeset
1368
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heinrichsweikamp
parents:
diff changeset
1369 /**
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heinrichsweikamp
parents:
diff changeset
1370 * @}
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heinrichsweikamp
parents:
diff changeset
1371 */
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heinrichsweikamp
parents:
diff changeset
1372
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heinrichsweikamp
parents:
diff changeset
1373 /** @defgroup RTC_Exported_Functions_Group4 Peripheral Control functions
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heinrichsweikamp
parents:
diff changeset
1374 * @brief Peripheral Control functions
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heinrichsweikamp
parents:
diff changeset
1375 *
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heinrichsweikamp
parents:
diff changeset
1376 @verbatim
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heinrichsweikamp
parents:
diff changeset
1377 ===============================================================================
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heinrichsweikamp
parents:
diff changeset
1378 ##### Peripheral Control functions #####
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heinrichsweikamp
parents:
diff changeset
1379 ===============================================================================
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heinrichsweikamp
parents:
diff changeset
1380 [..]
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heinrichsweikamp
parents:
diff changeset
1381 This subsection provides functions allowing to
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heinrichsweikamp
parents:
diff changeset
1382 (+) Wait for RTC Time and Date Synchronization
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1383
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heinrichsweikamp
parents:
diff changeset
1384 @endverbatim
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heinrichsweikamp
parents:
diff changeset
1385 * @{
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heinrichsweikamp
parents:
diff changeset
1386 */
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heinrichsweikamp
parents:
diff changeset
1387
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heinrichsweikamp
parents:
diff changeset
1388 /**
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heinrichsweikamp
parents:
diff changeset
1389 * @brief Waits until the RTC Time and Date registers (RTC_TR and RTC_DR) are
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heinrichsweikamp
parents:
diff changeset
1390 * synchronized with RTC APB clock.
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heinrichsweikamp
parents:
diff changeset
1391 * @note The RTC Resynchronization mode is write protected, use the
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1392 * __HAL_RTC_WRITEPROTECTION_DISABLE() before calling this function.
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heinrichsweikamp
parents:
diff changeset
1393 * @note To read the calendar through the shadow registers after Calendar
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1394 * initialization, calendar update or after wake-up from low power modes
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heinrichsweikamp
parents:
diff changeset
1395 * the software must first clear the RSF flag.
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heinrichsweikamp
parents:
diff changeset
1396 * The software must then wait until it is set again before reading
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heinrichsweikamp
parents:
diff changeset
1397 * the calendar, which means that the calendar registers have been
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1398 * correctly copied into the RTC_TR and RTC_DR shadow registers.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1399 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1400 * the configuration information for RTC.
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heinrichsweikamp
parents:
diff changeset
1401 * @retval HAL status
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heinrichsweikamp
parents:
diff changeset
1402 */
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heinrichsweikamp
parents:
diff changeset
1403 HAL_StatusTypeDef HAL_RTC_WaitForSynchro(RTC_HandleTypeDef* hrtc)
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heinrichsweikamp
parents:
diff changeset
1404 {
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heinrichsweikamp
parents:
diff changeset
1405 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1406
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heinrichsweikamp
parents:
diff changeset
1407 /* Clear RSF flag */
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heinrichsweikamp
parents:
diff changeset
1408 hrtc->Instance->ISR &= (uint32_t)RTC_RSF_MASK;
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heinrichsweikamp
parents:
diff changeset
1409
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heinrichsweikamp
parents:
diff changeset
1410 /* Get tick */
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heinrichsweikamp
parents:
diff changeset
1411 tickstart = HAL_GetTick();
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heinrichsweikamp
parents:
diff changeset
1412
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heinrichsweikamp
parents:
diff changeset
1413 /* Wait the registers to be synchronised */
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heinrichsweikamp
parents:
diff changeset
1414 while((hrtc->Instance->ISR & RTC_ISR_RSF) == (uint32_t)RESET)
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heinrichsweikamp
parents:
diff changeset
1415 {
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heinrichsweikamp
parents:
diff changeset
1416 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
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heinrichsweikamp
parents:
diff changeset
1417 {
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heinrichsweikamp
parents:
diff changeset
1418 return HAL_TIMEOUT;
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heinrichsweikamp
parents:
diff changeset
1419 }
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heinrichsweikamp
parents:
diff changeset
1420 }
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heinrichsweikamp
parents:
diff changeset
1421
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heinrichsweikamp
parents:
diff changeset
1422 return HAL_OK;
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heinrichsweikamp
parents:
diff changeset
1423 }
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heinrichsweikamp
parents:
diff changeset
1424
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heinrichsweikamp
parents:
diff changeset
1425 /**
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1426 * @}
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1427 */
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1428
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1429 /** @defgroup RTC_Exported_Functions_Group5 Peripheral State functions
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1430 * @brief Peripheral State functions
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1431 *
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1432 @verbatim
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1433 ===============================================================================
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1434 ##### Peripheral State functions #####
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1435 ===============================================================================
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1436 [..]
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1437 This subsection provides functions allowing to
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1438 (+) Get RTC state
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1439
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1440 @endverbatim
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1441 * @{
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1442 */
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1443 /**
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1444 * @brief Returns the RTC state.
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1445 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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1446 * the configuration information for RTC.
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1447 * @retval HAL state
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1448 */
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1449 HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef* hrtc)
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1450 {
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1451 return hrtc->State;
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1452 }
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1453
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1454 /**
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1455 * @}
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1456 */
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1457
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1458 /**
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1459 * @brief Enters the RTC Initialization mode.
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1460 * @note The RTC Initialization mode is write protected, use the
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1461 * __HAL_RTC_WRITEPROTECTION_DISABLE() before calling this function.
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1462 * @param hrtc: pointer to a RTC_HandleTypeDef structure that contains
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1463 * the configuration information for RTC.
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1464 * @retval HAL status
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1465 */
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1466 HAL_StatusTypeDef RTC_EnterInitMode(RTC_HandleTypeDef* hrtc)
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1467 {
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1468 uint32_t tickstart = 0;
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1469
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1470 /* Check if the Initialization mode is set */
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1471 if((hrtc->Instance->ISR & RTC_ISR_INITF) == (uint32_t)RESET)
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1472 {
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1473 /* Set the Initialization mode */
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1474 hrtc->Instance->ISR = (uint32_t)RTC_INIT_MASK;
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1475
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1476 /* Get tick */
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1477 tickstart = HAL_GetTick();
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1478
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1479 /* Wait till RTC is in INIT state and if Time out is reached exit */
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1480 while((hrtc->Instance->ISR & RTC_ISR_INITF) == (uint32_t)RESET)
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1481 {
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1482 if((HAL_GetTick() - tickstart ) > RTC_TIMEOUT_VALUE)
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1483 {
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1484 return HAL_TIMEOUT;
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1485 }
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1486 }
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1487 }
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1488
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1489 return HAL_OK;
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1490 }
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1491
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1492
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1493 /**
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1494 * @brief Converts a 2 digit decimal to BCD format.
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1495 * @param Value: Byte to be converted
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1496 * @retval Converted byte
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1497 */
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1498 uint8_t RTC_ByteToBcd2(uint8_t Value)
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1499 {
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1500 uint32_t bcdhigh = 0;
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1501
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1502 while(Value >= 10)
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1503 {
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1504 bcdhigh++;
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1505 Value -= 10;
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1506 }
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1507
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1508 return ((uint8_t)(bcdhigh << 4) | Value);
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1509 }
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1510
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1511 /**
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1512 * @brief Converts from 2 digit BCD to Binary.
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1513 * @param Value: BCD value to be converted
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1514 * @retval Converted word
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1515 */
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1516 uint8_t RTC_Bcd2ToByte(uint8_t Value)
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1517 {
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1518 uint32_t tmp = 0;
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1519 tmp = ((uint8_t)(Value & (uint8_t)0xF0) >> (uint8_t)0x4) * 10;
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1520 return (tmp + (Value & (uint8_t)0x0F));
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1521 }
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1522
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1523 /**
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1524 * @}
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1525 */
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1526
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1527 #endif /* HAL_RTC_MODULE_ENABLED */
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1528 /**
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1529 * @}
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1530 */
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1531
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1532 /**
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1533 * @}
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1534 */
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1535
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1536 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/