annotate Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Src/stm32f4xx_hal_flash.c @ 60:96026ba1834f

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date Fri, 10 Aug 2018 19:40:55 +0200
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_flash.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 FLASH 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 internal FLASH memory:
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10 * + Program operations functions
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11 * + Memory Control functions
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12 * + Peripheral Errors functions
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13 *
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14 @verbatim
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15 ==============================================================================
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16 ##### FLASH peripheral features #####
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17 ==============================================================================
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18
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19 [..] The Flash memory interface manages CPU AHB I-Code and D-Code accesses
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20 to the Flash memory. It implements the erase and program Flash memory operations
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21 and the read and write protection mechanisms.
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22
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23 [..] The Flash memory interface accelerates code execution with a system of instruction
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24 prefetch and cache lines.
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25
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26 [..] The FLASH main features are:
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27 (+) Flash memory read operations
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28 (+) Flash memory program/erase operations
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29 (+) Read / write protections
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30 (+) Prefetch on I-Code
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31 (+) 64 cache lines of 128 bits on I-Code
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32 (+) 8 cache lines of 128 bits on D-Code
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33
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34
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35 ##### How to use this driver #####
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36 ==============================================================================
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37 [..]
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38 This driver provides functions and macros to configure and program the FLASH
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39 memory of all STM32F4xx devices.
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40
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41 (#) FLASH Memory IO Programming functions:
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42 (++) Lock and Unlock the FLASH interface using HAL_FLASH_Unlock() and
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43 HAL_FLASH_Lock() functions
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44 (++) Program functions: byte, half word, word and double word
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45 (++) There Two modes of programming :
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46 (+++) Polling mode using HAL_FLASH_Program() function
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47 (+++) Interrupt mode using HAL_FLASH_Program_IT() function
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48
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49 (#) Interrupts and flags management functions :
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50 (++) Handle FLASH interrupts by calling HAL_FLASH_IRQHandler()
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51 (++) Wait for last FLASH operation according to its status
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52 (++) Get error flag status by calling HAL_SetErrorCode()
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53
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54 [..]
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55 In addition to these functions, this driver includes a set of macros allowing
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56 to handle the following operations:
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57 (+) Set the latency
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58 (+) Enable/Disable the prefetch buffer
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59 (+) Enable/Disable the Instruction cache and the Data cache
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60 (+) Reset the Instruction cache and the Data cache
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61 (+) Enable/Disable the FLASH interrupts
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62 (+) Monitor the FLASH flags status
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63
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64 @endverbatim
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65 ******************************************************************************
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66 * @attention
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67 *
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68 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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69 *
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70 * Redistribution and use in source and binary forms, with or without modification,
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71 * are permitted provided that the following conditions are met:
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72 * 1. Redistributions of source code must retain the above copyright notice,
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73 * this list of conditions and the following disclaimer.
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74 * 2. Redistributions in binary form must reproduce the above copyright notice,
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75 * this list of conditions and the following disclaimer in the documentation
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76 * and/or other materials provided with the distribution.
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77 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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78 * may be used to endorse or promote products derived from this software
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79 * without specific prior written permission.
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80 *
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81 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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82 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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83 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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84 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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85 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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86 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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87 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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88 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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89 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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90 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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91 *
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92 ******************************************************************************
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93 */
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94
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95 /* Includes ------------------------------------------------------------------*/
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96 #include "stm32f4xx_hal.h"
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97
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98 /** @addtogroup STM32F4xx_HAL_Driver
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99 * @{
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100 */
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101
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102 /** @defgroup FLASH FLASH
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103 * @brief FLASH HAL module driver
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104 * @{
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105 */
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106
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107 #ifdef HAL_FLASH_MODULE_ENABLED
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108
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109 /* Private typedef -----------------------------------------------------------*/
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110 /* Private define ------------------------------------------------------------*/
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111 /** @addtogroup FLASH_Private_Constants
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112 * @{
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113 */
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114 #define SECTOR_MASK ((uint32_t)0xFFFFFF07)
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115 #define FLASH_TIMEOUT_VALUE ((uint32_t)50000)/* 50 s */
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116 /**
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117 * @}
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118 */
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119 /* Private macro -------------------------------------------------------------*/
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120 /* Private variables ---------------------------------------------------------*/
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121 /** @addtogroup FLASH_Private_Variables
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122 * @{
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123 */
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124 /* Variable used for Erase sectors under interruption */
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125 FLASH_ProcessTypeDef pFlash;
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126 /**
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127 * @}
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128 */
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129
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130 /* Private function prototypes -----------------------------------------------*/
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131 /** @addtogroup FLASH_Private_Functions
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132 * @{
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133 */
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134 /* Program operations */
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135 static void FLASH_Program_DoubleWord(uint32_t Address, uint64_t Data);
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136 static void FLASH_Program_Word(uint32_t Address, uint32_t Data);
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137 static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data);
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138 static void FLASH_Program_Byte(uint32_t Address, uint8_t Data);
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139 static void FLASH_SetErrorCode(void);
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140
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141 HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout);
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142 /**
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143 * @}
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144 */
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145
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146 /* Exported functions --------------------------------------------------------*/
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147 /** @defgroup FLASH_Exported_Functions FLASH Exported Functions
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148 * @{
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149 */
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150
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151 /** @defgroup FLASH_Exported_Functions_Group1 Programming operation functions
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152 * @brief Programming operation functions
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153 *
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154 @verbatim
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155 ===============================================================================
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156 ##### Programming operation functions #####
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157 ===============================================================================
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158 [..]
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159 This subsection provides a set of functions allowing to manage the FLASH
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160 program operations.
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161
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162 @endverbatim
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163 * @{
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164 */
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165
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166 /**
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167 * @brief Program byte, halfword, word or double word at a specified address
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168 * @param TypeProgram: Indicate the way to program at a specified address.
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169 * This parameter can be a value of @ref FLASH_Type_Program
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170 * @param Address: specifies the address to be programmed.
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171 * @param Data: specifies the data to be programmed
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172 *
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173 * @retval HAL_StatusTypeDef HAL Status
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174 */
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175 HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data)
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176 {
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177 HAL_StatusTypeDef status = HAL_ERROR;
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178
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179 /* Process Locked */
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180 __HAL_LOCK(&pFlash);
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181
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182 /* Check the parameters */
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183 assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
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184
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185 /* Wait for last operation to be completed */
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186 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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187
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188 if(status == HAL_OK)
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189 {
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190 if(TypeProgram == FLASH_TYPEPROGRAM_BYTE)
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191 {
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192 /*Program byte (8-bit) at a specified address.*/
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193 FLASH_Program_Byte(Address, (uint8_t) Data);
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194 }
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195 else if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
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196 {
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197 /*Program halfword (16-bit) at a specified address.*/
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198 FLASH_Program_HalfWord(Address, (uint16_t) Data);
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199 }
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200 else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
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201 {
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202 /*Program word (32-bit) at a specified address.*/
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203 FLASH_Program_Word(Address, (uint32_t) Data);
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204 }
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205 else
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206 {
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207 /*Program double word (64-bit) at a specified address.*/
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208 FLASH_Program_DoubleWord(Address, Data);
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209 }
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210
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211 /* Wait for last operation to be completed */
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212 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
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213
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214 /* If the program operation is completed, disable the PG Bit */
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215 FLASH->CR &= (~FLASH_CR_PG);
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216 }
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217
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218 /* Process Unlocked */
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219 __HAL_UNLOCK(&pFlash);
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220
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221 return status;
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222 }
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223
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224 /**
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225 * @brief Program byte, halfword, word or double word at a specified address with interrupt enabled.
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226 * @param TypeProgram: Indicate the way to program at a specified address.
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227 * This parameter can be a value of @ref FLASH_Type_Program
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228 * @param Address: specifies the address to be programmed.
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229 * @param Data: specifies the data to be programmed
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230 *
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231 * @retval HAL Status
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232 */
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233 HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data)
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234 {
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235 HAL_StatusTypeDef status = HAL_OK;
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236
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237 /* Process Locked */
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238 __HAL_LOCK(&pFlash);
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239
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240 /* Check the parameters */
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241 assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
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242
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243 /* Enable End of FLASH Operation interrupt */
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244 __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP);
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245
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246 /* Enable Error source interrupt */
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247 __HAL_FLASH_ENABLE_IT(FLASH_IT_ERR);
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248
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249 /* Clear pending flags (if any) */
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250 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |\
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251 FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR| FLASH_FLAG_PGSERR);
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252
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253 pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM;
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254 pFlash.Address = Address;
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255
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256 if(TypeProgram == FLASH_TYPEPROGRAM_BYTE)
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257 {
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258 /*Program byte (8-bit) at a specified address.*/
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259 FLASH_Program_Byte(Address, (uint8_t) Data);
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260 }
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261 else if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
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262 {
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263 /*Program halfword (16-bit) at a specified address.*/
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264 FLASH_Program_HalfWord(Address, (uint16_t) Data);
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265 }
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266 else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
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267 {
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268 /*Program word (32-bit) at a specified address.*/
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269 FLASH_Program_Word(Address, (uint32_t) Data);
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270 }
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271 else
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272 {
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273 /*Program double word (64-bit) at a specified address.*/
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274 FLASH_Program_DoubleWord(Address, Data);
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275 }
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276
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277 return status;
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278 }
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279
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280 /**
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281 * @brief This function handles FLASH interrupt request.
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282 * @retval None
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283 */
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284 void HAL_FLASH_IRQHandler(void)
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285 {
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286 uint32_t temp;
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287
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288 /* If the program operation is completed, disable the PG Bit */
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289 FLASH->CR &= (~FLASH_CR_PG);
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290
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291 /* If the erase operation is completed, disable the SER Bit */
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292 FLASH->CR &= (~FLASH_CR_SER);
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293 FLASH->CR &= SECTOR_MASK;
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294
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295 /* if the erase operation is completed, disable the MER Bit */
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296 FLASH->CR &= (~FLASH_MER_BIT);
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297
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298 /* Check FLASH End of Operation flag */
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299 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET)
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300 {
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301 if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
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302 {
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303 /*Nb of sector to erased can be decreased*/
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304 pFlash.NbSectorsToErase--;
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305
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306 /* Check if there are still sectors to erase*/
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307 if(pFlash.NbSectorsToErase != 0)
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308 {
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309 temp = pFlash.Sector;
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310 /*Indicate user which sector has been erased*/
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311 HAL_FLASH_EndOfOperationCallback(temp);
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312
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313 /* Clear pending flags (if any) */
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314 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |\
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315 FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR| FLASH_FLAG_PGSERR);
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316
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317 /*Increment sector number*/
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318 temp = ++pFlash.Sector;
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319 FLASH_Erase_Sector(temp, pFlash.VoltageForErase);
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320 }
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321 else
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322 {
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323 /*No more sectors to Erase, user callback can be called.*/
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324 /*Reset Sector and stop Erase sectors procedure*/
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325 pFlash.Sector = temp = 0xFFFFFFFF;
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326 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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327 /* FLASH EOP interrupt user callback */
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328 HAL_FLASH_EndOfOperationCallback(temp);
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329 /* Clear FLASH End of Operation pending bit */
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330 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
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331 }
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332 }
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333 else
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334 {
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335 if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
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336 {
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337 /*MassErase ended. Return the selected bank*/
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338 /* FLASH EOP interrupt user callback */
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339 HAL_FLASH_EndOfOperationCallback(pFlash.Bank);
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340 }
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341 else
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342 {
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343 /*Program ended. Return the selected address*/
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344 /* FLASH EOP interrupt user callback */
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345 HAL_FLASH_EndOfOperationCallback(pFlash.Address);
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346 }
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347 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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348 /* Clear FLASH End of Operation pending bit */
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349 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
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350 }
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351
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352 }
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353
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354 /* Check FLASH operation error flags */
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355 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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356 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR)) != RESET)
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357 {
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358 if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE)
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359 {
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360 /*return the faulty sector*/
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361 temp = pFlash.Sector;
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362 pFlash.Sector = 0xFFFFFFFF;
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363 }
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364 else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE)
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365 {
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366 /*return the faulty bank*/
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367 temp = pFlash.Bank;
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368 }
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369 else
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370 {
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parents:
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371 /*return the faulty address*/
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372 temp = pFlash.Address;
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373 }
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374
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parents:
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375 /*Save the Error code*/
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376 FLASH_SetErrorCode();
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377
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parents:
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378 /* FLASH error interrupt user callback */
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379 HAL_FLASH_OperationErrorCallback(temp);
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parents:
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380 /* Clear FLASH error pending bits */
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381 __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR |\
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382 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR);
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383
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heinrichsweikamp
parents:
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384 /*Stop the procedure ongoing*/
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385 pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
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386 }
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387
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388 if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
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parents:
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389 {
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parents:
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390 /* Disable End of FLASH Operation interrupt */
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parents:
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391 __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP);
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392
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parents:
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393 /* Disable Error source interrupt */
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parents:
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394 __HAL_FLASH_DISABLE_IT(FLASH_IT_ERR);
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395
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parents:
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396 /* Process Unlocked */
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397 __HAL_UNLOCK(&pFlash);
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398 }
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heinrichsweikamp
parents:
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399
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parents:
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400 }
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parents:
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401
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parents:
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402 /**
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parents:
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403 * @brief FLASH end of operation interrupt callback
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parents:
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404 * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure
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parents:
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405 * Mass Erase: Bank number which has been requested to erase
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406 * Sectors Erase: Sector which has been erased
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407 * (if 0xFFFFFFFF, it means that all the selected sectors have been erased)
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408 * Program: Address which was selected for data program
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409 * @retval None
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parents:
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410 */
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parents:
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411 __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue)
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412 {
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parents:
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413 /* NOTE : This function Should not be modified, when the callback is needed,
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parents:
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414 the HAL_FLASH_EndOfOperationCallback could be implemented in the user file
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heinrichsweikamp
parents:
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415 */
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parents:
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416 }
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heinrichsweikamp
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417
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parents:
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418 /**
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419 * @brief FLASH operation error interrupt callback
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420 * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure
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parents:
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421 * Mass Erase: Bank number which has been requested to erase
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parents:
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422 * Sectors Erase: Sector number which returned an error
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parents:
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423 * Program: Address which was selected for data program
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parents:
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424 * @retval None
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425 */
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heinrichsweikamp
parents:
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426 __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue)
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heinrichsweikamp
parents:
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427 {
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heinrichsweikamp
parents:
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428 /* NOTE : This function Should not be modified, when the callback is needed,
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heinrichsweikamp
parents:
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429 the HAL_FLASH_OperationErrorCallback could be implemented in the user file
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parents:
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430 */
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parents:
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431 }
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heinrichsweikamp
parents:
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432
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parents:
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433 /**
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parents:
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434 * @}
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parents:
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435 */
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heinrichsweikamp
parents:
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436
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parents:
diff changeset
437 /** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions
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heinrichsweikamp
parents:
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438 * @brief management functions
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heinrichsweikamp
parents:
diff changeset
439 *
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heinrichsweikamp
parents:
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440 @verbatim
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parents:
diff changeset
441 ===============================================================================
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heinrichsweikamp
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442 ##### Peripheral Control functions #####
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parents:
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443 ===============================================================================
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parents:
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444 [..]
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445 This subsection provides a set of functions allowing to control the FLASH
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446 memory operations.
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447
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448 @endverbatim
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449 * @{
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450 */
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451
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parents:
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452 /**
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453 * @brief Unlock the FLASH control register access
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parents:
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454 * @retval HAL Status
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455 */
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456 HAL_StatusTypeDef HAL_FLASH_Unlock(void)
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457 {
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458 if((FLASH->CR & FLASH_CR_LOCK) != RESET)
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parents:
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459 {
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heinrichsweikamp
parents:
diff changeset
460 /* Authorize the FLASH Registers access */
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parents:
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461 FLASH->KEYR = FLASH_KEY1;
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462 FLASH->KEYR = FLASH_KEY2;
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463 }
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parents:
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464 else
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parents:
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465 {
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466 return HAL_ERROR;
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467 }
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468
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469 return HAL_OK;
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470 }
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471
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parents:
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472 /**
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parents:
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473 * @brief Locks the FLASH control register access
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parents:
diff changeset
474 * @retval HAL Status
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parents:
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475 */
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476 HAL_StatusTypeDef HAL_FLASH_Lock(void)
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parents:
diff changeset
477 {
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heinrichsweikamp
parents:
diff changeset
478 /* Set the LOCK Bit to lock the FLASH Registers access */
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479 FLASH->CR |= FLASH_CR_LOCK;
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480
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481 return HAL_OK;
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482 }
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parents:
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483
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484 /**
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heinrichsweikamp
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485 * @brief Unlock the FLASH Option Control Registers access.
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parents:
diff changeset
486 * @retval HAL Status
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487 */
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488 HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void)
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489 {
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490 if((FLASH->OPTCR & FLASH_OPTCR_OPTLOCK) != RESET)
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parents:
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491 {
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heinrichsweikamp
parents:
diff changeset
492 /* Authorizes the Option Byte register programming */
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parents:
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493 FLASH->OPTKEYR = FLASH_OPT_KEY1;
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parents:
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494 FLASH->OPTKEYR = FLASH_OPT_KEY2;
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495 }
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496 else
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heinrichsweikamp
parents:
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497 {
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498 return HAL_ERROR;
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499 }
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heinrichsweikamp
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500
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501 return HAL_OK;
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parents:
diff changeset
502 }
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heinrichsweikamp
parents:
diff changeset
503
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heinrichsweikamp
parents:
diff changeset
504 /**
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heinrichsweikamp
parents:
diff changeset
505 * @brief Lock the FLASH Option Control Registers access.
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heinrichsweikamp
parents:
diff changeset
506 * @retval HAL Status
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parents:
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507 */
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508 HAL_StatusTypeDef HAL_FLASH_OB_Lock(void)
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heinrichsweikamp
parents:
diff changeset
509 {
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heinrichsweikamp
parents:
diff changeset
510 /* Set the OPTLOCK Bit to lock the FLASH Option Byte Registers access */
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parents:
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511 FLASH->OPTCR |= FLASH_OPTCR_OPTLOCK;
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parents:
diff changeset
512
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513 return HAL_OK;
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parents:
diff changeset
514 }
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heinrichsweikamp
parents:
diff changeset
515
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heinrichsweikamp
parents:
diff changeset
516 /**
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parents:
diff changeset
517 * @brief Launch the option byte loading.
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parents:
diff changeset
518 * @retval HAL Status
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heinrichsweikamp
parents:
diff changeset
519 */
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heinrichsweikamp
parents:
diff changeset
520 HAL_StatusTypeDef HAL_FLASH_OB_Launch(void)
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heinrichsweikamp
parents:
diff changeset
521 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
522 /* Set the OPTSTRT bit in OPTCR register */
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heinrichsweikamp
parents:
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523 *(__IO uint8_t *)OPTCR_BYTE0_ADDRESS |= FLASH_OPTCR_OPTSTRT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
524
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heinrichsweikamp
parents:
diff changeset
525 /* Wait for last operation to be completed */
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parents:
diff changeset
526 return(FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE));
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heinrichsweikamp
parents:
diff changeset
527 }
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heinrichsweikamp
parents:
diff changeset
528
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heinrichsweikamp
parents:
diff changeset
529 /**
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heinrichsweikamp
parents:
diff changeset
530 * @}
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heinrichsweikamp
parents:
diff changeset
531 */
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heinrichsweikamp
parents:
diff changeset
532
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heinrichsweikamp
parents:
diff changeset
533 /** @defgroup FLASH_Exported_Functions_Group3 Peripheral State and Errors functions
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
534 * @brief Peripheral Errors functions
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heinrichsweikamp
parents:
diff changeset
535 *
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heinrichsweikamp
parents:
diff changeset
536 @verbatim
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heinrichsweikamp
parents:
diff changeset
537 ===============================================================================
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heinrichsweikamp
parents:
diff changeset
538 ##### Peripheral Errors functions #####
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heinrichsweikamp
parents:
diff changeset
539 ===============================================================================
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
540 [..]
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heinrichsweikamp
parents:
diff changeset
541 This subsection permits to get in run-time Errors of the FLASH peripheral.
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heinrichsweikamp
parents:
diff changeset
542
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parents:
diff changeset
543 @endverbatim
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heinrichsweikamp
parents:
diff changeset
544 * @{
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heinrichsweikamp
parents:
diff changeset
545 */
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heinrichsweikamp
parents:
diff changeset
546
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
547 /**
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heinrichsweikamp
parents:
diff changeset
548 * @brief Get the specific FLASH error flag.
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parents:
diff changeset
549 * @retval FLASH_ErrorCode: The returned value can be a combination of:
5f11787b4f42 include in ostc4 repository
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parents:
diff changeset
550 * @arg HAL_FLASH_ERROR_RD: FLASH Read Protection error flag (PCROP)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
551 * @arg HAL_FLASH_ERROR_PGS: FLASH Programming Sequence error flag
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
552 * @arg HAL_FLASH_ERROR_PGP: FLASH Programming Parallelism error flag
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
553 * @arg HAL_FLASH_ERROR_PGA: FLASH Programming Alignment error flag
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
554 * @arg HAL_FLASH_ERROR_WRP: FLASH Write protected error flag
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
555 * @arg HAL_FLASH_ERROR_OPERATION: FLASH operation Error flag
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
556 */
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heinrichsweikamp
parents:
diff changeset
557 uint32_t HAL_FLASH_GetError(void)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
558 {
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heinrichsweikamp
parents:
diff changeset
559 return pFlash.ErrorCode;
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heinrichsweikamp
parents:
diff changeset
560 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
561
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heinrichsweikamp
parents:
diff changeset
562 /**
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heinrichsweikamp
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diff changeset
563 * @}
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heinrichsweikamp
parents:
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564 */
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heinrichsweikamp
parents:
diff changeset
565
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heinrichsweikamp
parents:
diff changeset
566 /**
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heinrichsweikamp
parents:
diff changeset
567 * @brief Wait for a FLASH operation to complete.
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heinrichsweikamp
parents:
diff changeset
568 * @param Timeout: maximum flash operationtimeout
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
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569 * @retval HAL Status
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heinrichsweikamp
parents:
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570 */
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parents:
diff changeset
571 HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout)
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heinrichsweikamp
parents:
diff changeset
572 {
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parents:
diff changeset
573 uint32_t tickstart = 0;
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heinrichsweikamp
parents:
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574
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heinrichsweikamp
parents:
diff changeset
575 /* Clear Error Code */
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parents:
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576 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
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heinrichsweikamp
parents:
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577
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heinrichsweikamp
parents:
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578 /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
579 Even if the FLASH operation fails, the BUSY flag will be reset and an error
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
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580 flag will be set */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
581 /* Get tick */
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heinrichsweikamp
parents:
diff changeset
582 tickstart = HAL_GetTick();
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heinrichsweikamp
parents:
diff changeset
583
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heinrichsweikamp
parents:
diff changeset
584 while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) != RESET)
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heinrichsweikamp
parents:
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585 {
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parents:
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586 if(Timeout != HAL_MAX_DELAY)
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heinrichsweikamp
parents:
diff changeset
587 {
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heinrichsweikamp
parents:
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588 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
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heinrichsweikamp
parents:
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589 {
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parents:
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590 return HAL_TIMEOUT;
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parents:
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591 }
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heinrichsweikamp
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592 }
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heinrichsweikamp
parents:
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593 }
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heinrichsweikamp
parents:
diff changeset
594
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heinrichsweikamp
parents:
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595 if(__HAL_FLASH_GET_FLAG((FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | \
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596 FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR | FLASH_FLAG_RDERR)) != RESET)
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heinrichsweikamp
parents:
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597 {
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heinrichsweikamp
parents:
diff changeset
598 /*Save the error code*/
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heinrichsweikamp
parents:
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599 FLASH_SetErrorCode();
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600 return HAL_ERROR;
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heinrichsweikamp
parents:
diff changeset
601 }
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heinrichsweikamp
parents:
diff changeset
602
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heinrichsweikamp
parents:
diff changeset
603 /* If there is an error flag set */
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parents:
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604 return HAL_OK;
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heinrichsweikamp
parents:
diff changeset
605
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parents:
diff changeset
606 }
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heinrichsweikamp
parents:
diff changeset
607
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
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608 /**
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heinrichsweikamp
parents:
diff changeset
609 * @brief Program a double word (64-bit) at a specified address.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
610 * @note This function must be used when the device voltage range is from
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
611 * 2.7V to 3.6V and an External Vpp is present.
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heinrichsweikamp
parents:
diff changeset
612 *
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heinrichsweikamp
parents:
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613 * @note If an erase and a program operations are requested simultaneously,
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heinrichsweikamp
parents:
diff changeset
614 * the erase operation is performed before the program one.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
615 *
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heinrichsweikamp
parents:
diff changeset
616 * @param Address: specifies the address to be programmed.
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heinrichsweikamp
parents:
diff changeset
617 * @param Data: specifies the data to be programmed.
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parents:
diff changeset
618 * @retval None
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heinrichsweikamp
parents:
diff changeset
619 */
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heinrichsweikamp
parents:
diff changeset
620 static void FLASH_Program_DoubleWord(uint32_t Address, uint64_t Data)
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heinrichsweikamp
parents:
diff changeset
621 {
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heinrichsweikamp
parents:
diff changeset
622 /* Check the parameters */
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heinrichsweikamp
parents:
diff changeset
623 assert_param(IS_FLASH_ADDRESS(Address));
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heinrichsweikamp
parents:
diff changeset
624
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heinrichsweikamp
parents:
diff changeset
625 /* If the previous operation is completed, proceed to program the new data */
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heinrichsweikamp
parents:
diff changeset
626 FLASH->CR &= CR_PSIZE_MASK;
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heinrichsweikamp
parents:
diff changeset
627 FLASH->CR |= FLASH_PSIZE_DOUBLE_WORD;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
628 FLASH->CR |= FLASH_CR_PG;
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heinrichsweikamp
parents:
diff changeset
629
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heinrichsweikamp
parents:
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630 *(__IO uint64_t*)Address = Data;
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heinrichsweikamp
parents:
diff changeset
631 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
632
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
633
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heinrichsweikamp
parents:
diff changeset
634 /**
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heinrichsweikamp
parents:
diff changeset
635 * @brief Program word (32-bit) at a specified address.
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heinrichsweikamp
parents:
diff changeset
636 * @note This function must be used when the device voltage range is from
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
637 * 2.7V to 3.6V.
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heinrichsweikamp
parents:
diff changeset
638 *
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heinrichsweikamp
parents:
diff changeset
639 * @note If an erase and a program operations are requested simultaneously,
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
640 * the erase operation is performed before the program one.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
641 *
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heinrichsweikamp
parents:
diff changeset
642 * @param Address: specifies the address to be programmed.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
643 * @param Data: specifies the data to be programmed.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
644 * @retval None
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heinrichsweikamp
parents:
diff changeset
645 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
646 static void FLASH_Program_Word(uint32_t Address, uint32_t Data)
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heinrichsweikamp
parents:
diff changeset
647 {
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heinrichsweikamp
parents:
diff changeset
648 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
649 assert_param(IS_FLASH_ADDRESS(Address));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
650
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
651 /* If the previous operation is completed, proceed to program the new data */
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heinrichsweikamp
parents:
diff changeset
652 FLASH->CR &= CR_PSIZE_MASK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
653 FLASH->CR |= FLASH_PSIZE_WORD;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
654 FLASH->CR |= FLASH_CR_PG;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
655
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heinrichsweikamp
parents:
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656 *(__IO uint32_t*)Address = Data;
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heinrichsweikamp
parents:
diff changeset
657 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
658
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heinrichsweikamp
parents:
diff changeset
659 /**
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heinrichsweikamp
parents:
diff changeset
660 * @brief Program a half-word (16-bit) at a specified address.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
661 * @note This function must be used when the device voltage range is from
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
662 * 2.7V to 3.6V.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
663 *
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heinrichsweikamp
parents:
diff changeset
664 * @note If an erase and a program operations are requested simultaneously,
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
665 * the erase operation is performed before the program one.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
666 *
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heinrichsweikamp
parents:
diff changeset
667 * @param Address: specifies the address to be programmed.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
668 * @param Data: specifies the data to be programmed.
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heinrichsweikamp
parents:
diff changeset
669 * @retval None
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heinrichsweikamp
parents:
diff changeset
670 */
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heinrichsweikamp
parents:
diff changeset
671 static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data)
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heinrichsweikamp
parents:
diff changeset
672 {
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heinrichsweikamp
parents:
diff changeset
673 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
674 assert_param(IS_FLASH_ADDRESS(Address));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
675
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heinrichsweikamp
parents:
diff changeset
676 /* If the previous operation is completed, proceed to program the new data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
677 FLASH->CR &= CR_PSIZE_MASK;
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heinrichsweikamp
parents:
diff changeset
678 FLASH->CR |= FLASH_PSIZE_HALF_WORD;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
679 FLASH->CR |= FLASH_CR_PG;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
680
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heinrichsweikamp
parents:
diff changeset
681 *(__IO uint16_t*)Address = Data;
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heinrichsweikamp
parents:
diff changeset
682 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
683
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heinrichsweikamp
parents:
diff changeset
684 /**
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heinrichsweikamp
parents:
diff changeset
685 * @brief Program byte (8-bit) at a specified address.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
686 * @note This function must be used when the device voltage range is from
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
687 * 2.7V to 3.6V.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
688 *
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
689 * @note If an erase and a program operations are requested simultaneously,
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
690 * the erase operation is performed before the program one.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
691 *
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heinrichsweikamp
parents:
diff changeset
692 * @param Address: specifies the address to be programmed.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
693 * @param Data: specifies the data to be programmed.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
694 * @retval None
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
695 */
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heinrichsweikamp
parents:
diff changeset
696 static void FLASH_Program_Byte(uint32_t Address, uint8_t Data)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
697 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
698 /* Check the parameters */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
699 assert_param(IS_FLASH_ADDRESS(Address));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
700
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
701 /* If the previous operation is completed, proceed to program the new data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
702 FLASH->CR &= CR_PSIZE_MASK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
703 FLASH->CR |= FLASH_PSIZE_BYTE;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
704 FLASH->CR |= FLASH_CR_PG;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
705
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
706 *(__IO uint8_t*)Address = Data;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
707 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
708
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
709 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
710 * @brief Set the specific FLASH error flag.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
711 * @retval None
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
712 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
713 static void FLASH_SetErrorCode(void)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
714 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
715 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
716 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
717 pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
718 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
719
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
720 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
721 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
722 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGA;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
723 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
724
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
725 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGPERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
726 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
727 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGP;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
728 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
729
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
730 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGSERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
731 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
732 pFlash.ErrorCode |= HAL_FLASH_ERROR_PGS;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
733 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
734
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
735 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
736 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
737 pFlash.ErrorCode |= HAL_FLASH_ERROR_RD;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
738 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
739
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
740 if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPERR) != RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
741 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
742 pFlash.ErrorCode |= HAL_FLASH_ERROR_OPERATION;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
743 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
744 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
745
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
746 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
747 * @}
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748 */
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749
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750 #endif /* HAL_FLASH_MODULE_ENABLED */
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751
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752 /**
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753 * @}
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754 */
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755
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756 /**
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757 * @}
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758 */
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759
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760 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/