annotate Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Src/stm32f4xx_hal_sai.c @ 98:01169b86f9c6 kittz

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author Dmitry Romanov <kitt@bk.ru>
date Mon, 26 Nov 2018 13:58:51 +0300
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_sai.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 SAI 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 Serial Audio Interface (SAI) peripheral:
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10 * + Initialization/de-initialization functions
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11 * + I/O operation functions
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12 * + Peripheral Control functions
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13 * + Peripheral State functions
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14 *
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15 @verbatim
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16 ==============================================================================
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17 ##### How to use this driver #####
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18 ==============================================================================
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19
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20 [..]
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21 The SAI HAL driver can be used as follows:
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22
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23 (#) Declare a SAI_HandleTypeDef handle structure.
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24 (#) Initialize the SAI low level resources by implementing the HAL_SAI_MspInit() API:
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25 (##) Enable the SAI interface clock.
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26 (##) SAI pins configuration:
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27 (+++) Enable the clock for the SAI GPIOs.
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28 (+++) Configure these SAI pins as alternate function pull-up.
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29 (##) NVIC configuration if you need to use interrupt process (HAL_SAI_Transmit_IT()
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30 and HAL_SAI_Receive_IT() APIs):
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31 (+++) Configure the SAI interrupt priority.
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32 (+++) Enable the NVIC SAI IRQ handle.
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33
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34 (##) DMA Configuration if you need to use DMA process (HAL_SAI_Transmit_DMA()
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35 and HAL_SAI_Receive_DMA() APIs):
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36 (+++) Declare a DMA handle structure for the Tx/Rx stream.
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37 (+++) Enable the DMAx interface clock.
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38 (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters.
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39 (+++) Configure the DMA Tx/Rx Stream.
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40 (+++) Associate the initialized DMA handle to the SAI DMA Tx/Rx handle.
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41 (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the
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42 DMA Tx/Rx Stream.
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43
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44 (#) Program the SAI Mode, Standard, Data Format, MCLK Output, Audio frequency and Polarity
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45 using HAL_SAI_Init() function.
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46
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47 -@- The specific SAI interrupts (FIFO request and Overrun underrun interrupt)
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48 will be managed using the macros __SAI_ENABLE_IT() and __SAI_DISABLE_IT()
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49 inside the transmit and receive process.
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50
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51 [..]
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52 (@) Make sure that either:
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53 (+@) I2S PLL is configured or
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54 (+@) SAI PLL is configured or
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55 (+@) External clock source is configured after setting correctly
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56 the define constant EXTERNAL_CLOCK_VALUE in the stm32f4xx_hal_conf.h file.
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57
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58 [..]
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59 (@) In master Tx mode: enabling the audio block immediately generates the bit clock
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60 for the external slaves even if there is no data in the FIFO, However FS signal
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61 generation is conditioned by the presence of data in the FIFO.
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62
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63 [..]
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64 (@) In master Rx mode: enabling the audio block immediately generates the bit clock
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65 and FS signal for the external slaves.
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66
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67 [..]
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68 (@) It is mandatory to respect the following conditions in order to avoid bad SAI behavior:
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69 (+@) First bit Offset <= (SLOT size - Data size)
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70 (+@) Data size <= SLOT size
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71 (+@) Number of SLOT x SLOT size = Frame length
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72 (+@) The number of slots should be even when SAI_FS_CHANNEL_IDENTIFICATION is selected.
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73
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74 [..]
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75 Three operation modes are available within this driver :
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76
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77 *** Polling mode IO operation ***
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78 =================================
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79 [..]
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80 (+) Send an amount of data in blocking mode using HAL_SAI_Transmit()
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81 (+) Receive an amount of data in blocking mode using HAL_SAI_Receive()
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82
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83 *** Interrupt mode IO operation ***
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84 ===================================
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85 [..]
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86 (+) Send an amount of data in non blocking mode using HAL_SAI_Transmit_IT()
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87 (+) At transmission end of transfer HAL_SAI_TxCpltCallback is executed and user can
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88 add his own code by customization of function pointer HAL_SAI_TxCpltCallback
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89 (+) Receive an amount of data in non blocking mode using HAL_SAI_Receive_IT()
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90 (+) At reception end of transfer HAL_SAI_RxCpltCallback is executed and user can
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91 add his own code by customization of function pointer HAL_SAI_RxCpltCallback
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92 (+) In case of transfer Error, HAL_SAI_ErrorCallback() function is executed and user can
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93 add his own code by customization of function pointer HAL_SAI_ErrorCallback
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94
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95 *** DMA mode IO operation ***
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96 ==============================
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97 [..]
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98 (+) Send an amount of data in non blocking mode (DMA) using HAL_SAI_Transmit_DMA()
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99 (+) At transmission end of transfer HAL_SAI_TxCpltCallback is executed and user can
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100 add his own code by customization of function pointer HAL_SAI_TxCpltCallback
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101 (+) Receive an amount of data in non blocking mode (DMA) using HAL_SAI_Receive_DMA()
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102 (+) At reception end of transfer HAL_SAI_RxCpltCallback is executed and user can
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103 add his own code by customization of function pointer HAL_SAI_RxCpltCallback
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104 (+) In case of transfer Error, HAL_SAI_ErrorCallback() function is executed and user can
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105 add his own code by customization of function pointer HAL_SAI_ErrorCallback
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106 (+) Pause the DMA Transfer using HAL_SAI_DMAPause()
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107 (+) Resume the DMA Transfer using HAL_SAI_DMAResume()
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108 (+) Stop the DMA Transfer using HAL_SAI_DMAStop()
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109
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110 *** SAI HAL driver macros list ***
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111 =============================================
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112 [..]
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113 Below the list of most used macros in USART HAL driver :
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114
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115 (+) __HAL_SAI_ENABLE: Enable the SAI peripheral
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116 (+) __HAL_SAI_DISABLE: Disable the SAI peripheral
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117 (+) __HAL_SAI_ENABLE_IT : Enable the specified SAI interrupts
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118 (+) __HAL_SAI_DISABLE_IT : Disable the specified SAI interrupts
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119 (+) __HAL_SAI_GET_IT_SOURCE: Check if the specified SAI interrupt source is
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120 enabled or disabled
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121 (+) __HAL_SAI_GET_FLAG: Check whether the specified SAI flag is set or not
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122
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123 @endverbatim
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124 ******************************************************************************
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125 * @attention
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126 *
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127 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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128 *
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129 * Redistribution and use in source and binary forms, with or without modification,
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130 * are permitted provided that the following conditions are met:
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131 * 1. Redistributions of source code must retain the above copyright notice,
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132 * this list of conditions and the following disclaimer.
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133 * 2. Redistributions in binary form must reproduce the above copyright notice,
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134 * this list of conditions and the following disclaimer in the documentation
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135 * and/or other materials provided with the distribution.
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136 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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137 * may be used to endorse or promote products derived from this software
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138 * without specific prior written permission.
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139 *
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140 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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141 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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142 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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143 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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144 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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145 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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146 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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147 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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148 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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149 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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150 *
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151 ******************************************************************************
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152 */
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153
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154 /* Includes ------------------------------------------------------------------*/
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155 #include "stm32f4xx_hal.h"
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156
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157 /** @addtogroup STM32F4xx_HAL_Driver
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158 * @{
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159 */
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160
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161 /** @defgroup SAI SAI
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162 * @brief SAI HAL module driver
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163 * @{
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164 */
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165
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166 #ifdef HAL_SAI_MODULE_ENABLED
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167
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168 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
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169
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170 /* Private typedef -----------------------------------------------------------*/
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171 /* Private define ------------------------------------------------------------*/
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172 /* SAI registers Masks */
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173 #define CR1_CLEAR_MASK ((uint32_t)0xFF07C010)
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174 #define FRCR_CLEAR_MASK ((uint32_t)0xFFF88000)
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175 #define SLOTR_CLEAR_MASK ((uint32_t)0x0000F020)
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176
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177 #define SAI_TIMEOUT_VALUE 10
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178 /* Private macro -------------------------------------------------------------*/
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179 /* Private variables ---------------------------------------------------------*/
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180 /* Private function prototypes -----------------------------------------------*/
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181 static void SAI_DMATxCplt(DMA_HandleTypeDef *hdma);
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182 static void SAI_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
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183 static void SAI_DMARxCplt(DMA_HandleTypeDef *hdma);
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184 static void SAI_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
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185 static void SAI_DMAError(DMA_HandleTypeDef *hdma);
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186
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187 /* Private functions ---------------------------------------------------------*/
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188
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189 /** @defgroup SAI_Private_Functions SAI Private Functions
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190 * @{
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191 */
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192
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193 /** @defgroup SAI_Exported_Functions_Group1 Initialization and de-initialization functions
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194 * @brief Initialization and Configuration functions
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195 *
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196 @verbatim
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197 ===============================================================================
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198 ##### Initialization and de-initialization functions #####
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199 ===============================================================================
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200 [..] This subsection provides a set of functions allowing to initialize and
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201 de-initialize the SAIx peripheral:
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202
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203 (+) User must implement HAL_SAI_MspInit() function in which he configures
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204 all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ).
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205
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206 (+) Call the function HAL_SAI_Init() to configure the selected device with
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207 the selected configuration:
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208 (++) Mode (Master/slave TX/RX)
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209 (++) Protocol
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210 (++) Data Size
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211 (++) MCLK Output
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212 (++) Audio frequency
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213 (++) FIFO Threshold
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214 (++) Frame Config
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215 (++) Slot Config
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216
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217 (+) Call the function HAL_SAI_DeInit() to restore the default configuration
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218 of the selected SAI peripheral.
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219
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220 @endverbatim
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221 * @{
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222 */
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223
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224 /**
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225 * @brief Initializes the SAI according to the specified parameters
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226 * in the SAI_InitTypeDef and create the associated handle.
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227 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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228 * the configuration information for SAI module.
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229 * @retval HAL status
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230 */
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231 HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai)
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232 {
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233 uint32_t tmpreg = 0;
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234 uint32_t tmpclock = 0, tmp2clock = 0;
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235 /* This variable used to store the VCO Input (value in Hz) */
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236 uint32_t vcoinput = 0;
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237 /* This variable used to store the SAI_CK_x (value in Hz) */
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238 uint32_t saiclocksource = 0;
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239
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240 /* Check the SAI handle allocation */
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241 if(hsai == NULL)
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242 {
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243 return HAL_ERROR;
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244 }
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245
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246 /* Check the SAI Block parameters */
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247 assert_param(IS_SAI_BLOCK_PROTOCOL(hsai->Init.Protocol));
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248 assert_param(IS_SAI_BLOCK_MODE(hsai->Init.AudioMode));
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249 assert_param(IS_SAI_BLOCK_DATASIZE(hsai->Init.DataSize));
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250 assert_param(IS_SAI_BLOCK_FIRST_BIT(hsai->Init.FirstBit));
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251 assert_param(IS_SAI_BLOCK_CLOCK_STROBING(hsai->Init.ClockStrobing));
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252 assert_param(IS_SAI_BLOCK_SYNCHRO(hsai->Init.Synchro));
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253 assert_param(IS_SAI_BLOCK_OUTPUT_DRIVE(hsai->Init.OutputDrive));
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254 assert_param(IS_SAI_BLOCK_NODIVIDER(hsai->Init.NoDivider));
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255 assert_param(IS_SAI_BLOCK_FIFO_THRESHOLD(hsai->Init.FIFOThreshold));
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256 assert_param(IS_SAI_AUDIO_FREQUENCY(hsai->Init.AudioFrequency));
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257
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258 /* Check the SAI Block Frame parameters */
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259 assert_param(IS_SAI_BLOCK_FRAME_LENGTH(hsai->FrameInit.FrameLength));
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260 assert_param(IS_SAI_BLOCK_ACTIVE_FRAME(hsai->FrameInit.ActiveFrameLength));
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261 assert_param(IS_SAI_BLOCK_FS_DEFINITION(hsai->FrameInit.FSDefinition));
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262 assert_param(IS_SAI_BLOCK_FS_POLARITY(hsai->FrameInit.FSPolarity));
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263 assert_param(IS_SAI_BLOCK_FS_OFFSET(hsai->FrameInit.FSOffset));
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264
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265 /* Check the SAI Block Slot parameters */
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266 assert_param(IS_SAI_BLOCK_FIRSTBIT_OFFSET(hsai->SlotInit.FirstBitOffset));
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267 assert_param(IS_SAI_BLOCK_SLOT_SIZE(hsai->SlotInit.SlotSize));
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268 assert_param(IS_SAI_BLOCK_SLOT_NUMBER(hsai->SlotInit.SlotNumber));
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269 assert_param(IS_SAI_SLOT_ACTIVE(hsai->SlotInit.SlotActive));
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270
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271 if(hsai->State == HAL_SAI_STATE_RESET)
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272 {
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273 /* Init the low level hardware : GPIO, CLOCK, NVIC and DMA */
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274 HAL_SAI_MspInit(hsai);
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275 }
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276
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277 hsai->State = HAL_SAI_STATE_BUSY;
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278
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279 /* Disable the selected SAI peripheral */
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280 __HAL_SAI_DISABLE(hsai);
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281
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282 /* SAI Block Configuration ------------------------------------------------------------*/
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283 /* SAI Block_x CR1 Configuration */
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284 /* Get the SAI Block_x CR1 value */
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285 tmpreg = hsai->Instance->CR1;
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286 /* Clear MODE, PRTCFG, DS, LSBFIRST, CKSTR, SYNCEN, OUTDRIV, NODIV, and MCKDIV bits */
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287 tmpreg &= CR1_CLEAR_MASK;
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288 /* Configure SAI_Block_x: Audio Protocol, Data Size, first transmitted bit, Clock strobing
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289 edge, Synchronization mode, Output drive, Master Divider and FIFO level */
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290 /* Set PRTCFG bits according to Protocol value */
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291 /* Set DS bits according to DataSize value */
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292 /* Set LSBFIRST bit according to FirstBit value */
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293 /* Set CKSTR bit according to ClockStrobing value */
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294 /* Set SYNCEN bit according to Synchro value */
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295 /* Set OUTDRIV bit according to OutputDrive value */
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296 /* Set NODIV bit according to NoDivider value */
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297 tmpreg |= (uint32_t)(hsai->Init.Protocol |
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298 hsai->Init.AudioMode |
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299 hsai->Init.DataSize |
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300 hsai->Init.FirstBit |
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301 hsai->Init.ClockStrobing |
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302 hsai->Init.Synchro |
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303 hsai->Init.OutputDrive |
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304 hsai->Init.NoDivider);
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305 /* Write to SAI_Block_x CR1 */
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306 hsai->Instance->CR1 = tmpreg;
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307
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308 /* SAI Block_x CR2 Configuration */
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309 /* Get the SAIBlock_x CR2 value */
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310 tmpreg = hsai->Instance->CR2;
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311 /* Clear FTH bits */
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312 tmpreg &= ~(SAI_xCR2_FTH);
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313 /* Configure the FIFO Level */
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314 /* Set FTH bits according to SAI_FIFOThreshold value */
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315 tmpreg |= (uint32_t)(hsai->Init.FIFOThreshold);
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316 /* Write to SAI_Block_x CR2 */
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317 hsai->Instance->CR2 = tmpreg;
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318
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319 /* SAI Block_x Frame Configuration -----------------------------------------*/
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320 /* Get the SAI Block_x FRCR value */
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321 tmpreg = hsai->Instance->FRCR;
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322 /* Clear FRL, FSALL, FSDEF, FSPOL, FSOFF bits */
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323 tmpreg &= FRCR_CLEAR_MASK;
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324 /* Configure SAI_Block_x Frame: Frame Length, Active Frame Length, Frame Synchronization
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325 Definition, Frame Synchronization Polarity and Frame Synchronization Polarity */
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326 /* Set FRL bits according to SAI_FrameLength value */
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327 /* Set FSALL bits according to SAI_ActiveFrameLength value */
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328 /* Set FSDEF bit according to SAI_FSDefinition value */
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329 /* Set FSPOL bit according to SAI_FSPolarity value */
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330 /* Set FSOFF bit according to SAI_FSOffset value */
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331 tmpreg |= (uint32_t)((uint32_t)(hsai->FrameInit.FrameLength - 1) |
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332 hsai->FrameInit.FSOffset |
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333 hsai->FrameInit.FSDefinition |
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334 hsai->FrameInit.FSPolarity |
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335 (uint32_t)((hsai->FrameInit.ActiveFrameLength - 1) << 8));
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336
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337 /* Write to SAI_Block_x FRCR */
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338 hsai->Instance->FRCR = tmpreg;
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339
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340 /* SAI Block_x SLOT Configuration ------------------------------------------*/
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341 /* Get the SAI Block_x SLOTR value */
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342 tmpreg = hsai->Instance->SLOTR;
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343 /* Clear FBOFF, SLOTSZ, NBSLOT, SLOTEN bits */
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344 tmpreg &= SLOTR_CLEAR_MASK;
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345 /* Configure SAI_Block_x Slot: First bit offset, Slot size, Number of Slot in
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346 audio frame and slots activated in audio frame */
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347 /* Set FBOFF bits according to SAI_FirstBitOffset value */
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348 /* Set SLOTSZ bits according to SAI_SlotSize value */
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349 /* Set NBSLOT bits according to SAI_SlotNumber value */
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350 /* Set SLOTEN bits according to SAI_SlotActive value */
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351 tmpreg |= (uint32_t)(hsai->SlotInit.FirstBitOffset |
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352 hsai->SlotInit.SlotSize |
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353 hsai->SlotInit.SlotActive |
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354 (uint32_t)((hsai->SlotInit.SlotNumber - 1) << 8));
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355
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356 /* Write to SAI_Block_x SLOTR */
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357 hsai->Instance->SLOTR = tmpreg;
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358
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359 /* SAI Block_x Clock Configuration -----------------------------------------*/
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360 /* Check the Clock parameters */
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361 assert_param(IS_SAI_CLK_SOURCE(hsai->Init.ClockSource));
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362
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363 /* SAI Block clock source selection */
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364 if(hsai->Instance == SAI1_Block_A)
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365 {
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366 __HAL_RCC_SAI_BLOCKACLKSOURCE_CONFIG(hsai->Init.ClockSource);
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367 }
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368 else
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369 {
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370 __HAL_RCC_SAI_BLOCKBCLKSOURCE_CONFIG((uint32_t)(hsai->Init.ClockSource << 2));
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371 }
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372
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373 /* VCO Input Clock value calculation */
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374 if((RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC) == RCC_PLLSOURCE_HSI)
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375 {
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376 /* In Case the PLL Source is HSI (Internal Clock) */
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377 vcoinput = (HSI_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM));
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378 }
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379 else
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380 {
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381 /* In Case the PLL Source is HSE (External Clock) */
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382 vcoinput = ((HSE_VALUE / (uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLM)));
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383 }
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384
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385 /* SAI_CLK_x : SAI Block Clock configuration for different clock sources selected */
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386 if(hsai->Init.ClockSource == SAI_CLKSOURCE_PLLSAI)
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387 {
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388 /* Configure the PLLI2S division factor */
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389 /* PLLSAI_VCO Input = PLL_SOURCE/PLLM */
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390 /* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN */
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391 /* SAI_CLK(first level) = PLLSAI_VCO Output/PLLSAIQ */
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392 tmpreg = (RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIQ) >> 24;
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393 saiclocksource = (vcoinput * ((RCC->PLLSAICFGR & RCC_PLLSAICFGR_PLLSAIN) >> 6))/(tmpreg);
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394
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395 /* SAI_CLK_x = SAI_CLK(first level)/PLLSAIDIVQ */
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396 tmpreg = (((RCC->DCKCFGR & RCC_DCKCFGR_PLLSAIDIVQ) >> 8) + 1);
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397 saiclocksource = saiclocksource/(tmpreg);
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398
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399 }
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400 else if(hsai->Init.ClockSource == SAI_CLKSOURCE_PLLI2S)
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401 {
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402 /* Configure the PLLI2S division factor */
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403 /* PLLI2S_VCO Input = PLL_SOURCE/PLLM */
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404 /* PLLI2S_VCO Output = PLLI2S_VCO Input * PLLI2SN */
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405 /* SAI_CLK(first level) = PLLI2S_VCO Output/PLLI2SQ */
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406 tmpreg = (RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SQ) >> 24;
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407 saiclocksource = (vcoinput * ((RCC->PLLI2SCFGR & RCC_PLLI2SCFGR_PLLI2SN) >> 6))/(tmpreg);
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408
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409 /* SAI_CLK_x = SAI_CLK(first level)/PLLI2SDIVQ */
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410 tmpreg = ((RCC->DCKCFGR & RCC_DCKCFGR_PLLI2SDIVQ) + 1);
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411 saiclocksource = saiclocksource/(tmpreg);
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412 }
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413 else /* sConfig->ClockSource == SAI_CLKSource_Ext */
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414 {
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415 /* Enable the External Clock selection */
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416 __HAL_RCC_I2S_CONFIG(RCC_I2SCLKSOURCE_EXT);
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417
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418 saiclocksource = EXTERNAL_CLOCK_VALUE;
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419 }
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420
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421 /* Configure Master Clock using the following formula :
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422 MCLK_x = SAI_CK_x / (MCKDIV[3:0] * 2) with MCLK_x = 256 * FS
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423 FS = SAI_CK_x / (MCKDIV[3:0] * 2) * 256
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424 MCKDIV[3:0] = SAI_CK_x / FS * 512 */
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425 if(hsai->Init.NoDivider == SAI_MASTERDIVIDER_ENABLE)
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426 {
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427 /* (saiclocksource x 10) to keep Significant digits */
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428 tmpclock = (((saiclocksource * 10) / ((hsai->Init.AudioFrequency) * 512)));
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429
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430 /* Get the result of modulo division */
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431 tmp2clock = (tmpclock % 10);
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432
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433 /* Round result to the nearest integer*/
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434 if (tmp2clock > 8)
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435 {
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436 tmpclock = ((tmpclock / 10) + 1);
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437 }
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438 else
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439 {
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440 tmpclock = (tmpclock / 10);
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441 }
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442 /*Set MCKDIV value in CR1 register*/
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443 hsai->Instance->CR1 |= (tmpclock << 20);
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444
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445 }
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446
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447 /* Initialize the error code */
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448 hsai->ErrorCode = HAL_SAI_ERROR_NONE;
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449
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450 /* Initialize the SAI state */
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451 hsai->State= HAL_SAI_STATE_READY;
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452
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453 return HAL_OK;
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454 }
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455
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456 /**
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457 * @brief DeInitializes the SAI peripheral.
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458 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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459 * the configuration information for SAI module.
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460 * @retval HAL status
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461 */
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462 HAL_StatusTypeDef HAL_SAI_DeInit(SAI_HandleTypeDef *hsai)
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463 {
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464 /* Check the SAI handle allocation */
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465 if(hsai == NULL)
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466 {
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467 return HAL_ERROR;
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468 }
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469
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470 hsai->State = HAL_SAI_STATE_BUSY;
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471
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472 /* DeInit the low level hardware: GPIO, CLOCK, NVIC and DMA */
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473 HAL_SAI_MspDeInit(hsai);
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474
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475 /* Initialize the error code */
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476 hsai->ErrorCode = HAL_SAI_ERROR_NONE;
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477
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478 /* Initialize the SAI state */
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479 hsai->State = HAL_SAI_STATE_RESET;
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480
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481 /* Release Lock */
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482 __HAL_UNLOCK(hsai);
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483
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484 return HAL_OK;
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485 }
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486
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487 /**
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488 * @brief SAI MSP Init.
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489 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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490 * the configuration information for SAI module.
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491 * @retval None
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492 */
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493 __weak void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai)
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494 {
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495 /* NOTE : This function Should not be modified, when the callback is needed,
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496 the HAL_SAI_MspInit could be implemented in the user file
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497 */
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498 }
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499
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500 /**
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501 * @brief SAI MSP DeInit.
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502 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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503 * the configuration information for SAI module.
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504 * @retval None
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505 */
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506 __weak void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai)
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507 {
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508 /* NOTE : This function Should not be modified, when the callback is needed,
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509 the HAL_SAI_MspDeInit could be implemented in the user file
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510 */
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511 }
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512
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513 /**
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514 * @}
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515 */
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516
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517 /** @defgroup SAI_Exported_Functions_Group2 IO operation functions
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518 * @brief Data transfers functions
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519 *
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520 @verbatim
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521 ===============================================================================
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522 ##### IO operation functions #####
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523 ===============================================================================
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524 [..]
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525 This subsection provides a set of functions allowing to manage the SAI data
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526 transfers.
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heinrichsweikamp
parents:
diff changeset
527
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
528 (+) There are two modes of transfer:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
529 (++) Blocking mode : The communication is performed in the polling mode.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
530 The status of all data processing is returned by the same function
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
531 after finishing transfer.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
532 (++) No-Blocking mode : The communication is performed using Interrupts
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
533 or DMA. These functions return the status of the transfer startup.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
534 The end of the data processing will be indicated through the
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
535 dedicated SAI IRQ when using Interrupt mode or the DMA IRQ when
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
536 using DMA mode.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
537
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
538 (+) Blocking mode functions are :
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
539 (++) HAL_SAI_Transmit()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
540 (++) HAL_SAI_Receive()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
541 (++) HAL_SAI_TransmitReceive()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
542
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
543 (+) Non Blocking mode functions with Interrupt are :
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
544 (++) HAL_SAI_Transmit_IT()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
545 (++) HAL_SAI_Receive_IT()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
546 (++) HAL_SAI_TransmitReceive_IT()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
547
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
548 (+) Non Blocking mode functions with DMA are :
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
549 (++) HAL_SAI_Transmit_DMA()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
550 (++) HAL_SAI_Receive_DMA()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
551 (++) HAL_SAI_TransmitReceive_DMA()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
552
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
553 (+) A set of Transfer Complete Callbacks are provided in non Blocking mode:
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
554 (++) HAL_SAI_TxCpltCallback()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
555 (++) HAL_SAI_RxCpltCallback()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
556 (++) HAL_SAI_ErrorCallback()
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
557
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
558 @endverbatim
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
559 * @{
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
560 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
561
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
562 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
563 * @brief Transmits an amount of data in blocking mode.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
564 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
565 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
566 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
567 * @param Size: Amount of data to be sent
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
568 * @param Timeout: Timeout duration
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
569 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
570 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
571 HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint16_t* pData, uint16_t Size, uint32_t Timeout)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
572 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
573 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
574
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
575 if((pData == NULL ) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
576 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
577 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
578 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
579
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
580 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
581 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
582 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
583 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
584
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
585 hsai->State = HAL_SAI_STATE_BUSY_TX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
586
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
587 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
588 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
589 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
590 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
591 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
592 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
593
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
594 while(Size > 0)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
595 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
596 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
597 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
598
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
599 /* Wait the FIFO to be empty */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
600 while(__HAL_SAI_GET_FLAG(hsai, SAI_xSR_FREQ) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
601 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
602 /* Check for the Timeout */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
603 if(Timeout != HAL_MAX_DELAY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
604 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
605 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
606 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
607 /* Update error code */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
608 hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
609
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
610 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
611 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
612
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
613 /* Change the SAI state */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
614 hsai->State = HAL_SAI_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
615
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
616 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
617 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
618 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
619 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
620 hsai->Instance->DR = (*pData++);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
621 Size--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
622 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
623
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
624 hsai->State = HAL_SAI_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
625
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
626 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
627 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
628
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
629 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
630 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
631 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
632 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
633 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
634 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
635 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
636
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
637 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
638 * @brief Receives an amount of data in blocking mode.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
639 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
640 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
641 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
642 * @param Size: Amount of data to be received
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
643 * @param Timeout: Timeout duration
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
644 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
645 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
646 HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint16_t *pData, uint16_t Size, uint32_t Timeout)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
647 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
648 uint32_t tickstart = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
649
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
650 if((pData == NULL ) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
651 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
652 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
653 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
654
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
655 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
656 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
657 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
658 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
659
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
660 hsai->State = HAL_SAI_STATE_BUSY_RX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
661
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
662 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
663 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
664 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
665 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
666 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
667 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
668
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
669 /* Receive data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
670 while(Size > 0)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
671 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
672 /* Get tick */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
673 tickstart = HAL_GetTick();
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
674
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
675 /* Wait until RXNE flag is set */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
676 while(__HAL_SAI_GET_FLAG(hsai, SAI_xSR_FREQ) == RESET)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
677 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
678 /* Check for the Timeout */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
679 if(Timeout != HAL_MAX_DELAY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
680 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
681 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
682 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
683 /* Update error code */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
684 hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
685
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
686 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
687 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
688
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
689 /* Change the SAI state */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
690 hsai->State = HAL_SAI_STATE_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
691
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
692 return HAL_TIMEOUT;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
693 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
694 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
695 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
696
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
697 (*pData++) = hsai->Instance->DR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
698 Size--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
699 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
700
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
701 hsai->State = HAL_SAI_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
702
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
703 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
704 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
705
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
706 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
707 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
708 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
709 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
710 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
711 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
712 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
713
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
714 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
715 * @brief Transmits an amount of data in no-blocking mode with Interrupt.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
716 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
717 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
718 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
719 * @param Size: Amount of data to be sent
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
720 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
721 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
722 HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint16_t *pData, uint16_t Size)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
723 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
724 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
725 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
726 if((pData == NULL) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
727 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
728 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
729 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
730
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
731 hsai->pTxBuffPtr = pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
732 hsai->TxXferSize = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
733 hsai->TxXferCount = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
734
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
735 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
736 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
737
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
738 hsai->State = HAL_SAI_STATE_BUSY_TX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
739
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
740 /* Transmit data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
741 hsai->Instance->DR = (*hsai->pTxBuffPtr++);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
742 hsai->TxXferCount--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
743
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
744 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
745 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
746
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
747 /* Enable FRQ and OVRUDR interrupts */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
748 __HAL_SAI_ENABLE_IT(hsai, (SAI_IT_FREQ | SAI_IT_OVRUDR));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
749
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
750 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
751 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
752 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
753 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
754 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
755 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
756
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
757
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
758 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
759 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
760 else if(hsai->State == HAL_SAI_STATE_BUSY_TX)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
761 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
762 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
763 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
764
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
765 /* Transmit data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
766 hsai->Instance->DR = (*hsai->pTxBuffPtr++);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
767
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
768 hsai->TxXferCount--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
769
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
770 if(hsai->TxXferCount == 0)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
771 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
772 /* Disable FREQ and OVRUDR interrupts */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
773 __HAL_SAI_DISABLE_IT(hsai, (SAI_IT_FREQ | SAI_IT_OVRUDR));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
774
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
775 hsai->State = HAL_SAI_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
776
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
777 HAL_SAI_TxCpltCallback(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
778 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
779
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
780 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
781 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
782
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
783 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
784 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
785
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
786 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
787 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
788 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
789 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
790 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
791
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
792 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
793 * @brief Receives an amount of data in no-blocking mode with Interrupt.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
794 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
795 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
796 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
797 * @param Size: Amount of data to be received
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
798 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
799 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
800 HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint16_t *pData, uint16_t Size)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
801 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
802 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
803 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
804 if((pData == NULL) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
805 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
806 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
807 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
808
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
809 hsai->pRxBuffPtr = pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
810 hsai->RxXferSize = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
811 hsai->RxXferCount = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
812
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
813 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
814 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
815
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
816 hsai->State = HAL_SAI_STATE_BUSY_RX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
817
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
818 /* Enable TXE and OVRUDR interrupts */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
819 __HAL_SAI_ENABLE_IT(hsai, (SAI_IT_FREQ | SAI_IT_OVRUDR));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
820
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
821 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
822 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
823 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
824 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
825 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
826 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
827
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
828 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
829 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
830
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
831 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
832 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
833 else if(hsai->State == HAL_SAI_STATE_BUSY_RX)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
834 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
835 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
836 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
837
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
838 /* Receive data */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
839 (*hsai->pRxBuffPtr++) = hsai->Instance->DR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
840
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
841 hsai->RxXferCount--;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
842
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
843 if(hsai->RxXferCount == 0)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
844 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
845 /* Disable TXE and OVRUDR interrupts */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
846 __HAL_SAI_DISABLE_IT(hsai, (SAI_IT_FREQ | SAI_IT_OVRUDR));
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
847
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
848 hsai->State = HAL_SAI_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
849 HAL_SAI_RxCpltCallback(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
850 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
851
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
852 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
853 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
854
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
855 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
856 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
857
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
858 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
859 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
860 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
861 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
862 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
863
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
864 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
865 * @brief Pauses the audio stream playing from the Media.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
866 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
867 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
868 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
869 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
870 HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
871 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
872 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
873 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
874
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
875 /* Pause the audio file playing by disabling the SAI DMA requests */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
876 hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
877
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
878
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
879 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
880 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
881
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
882 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
883 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
884
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
885 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
886 * @brief Resumes the audio stream playing from the Media.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
887 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
888 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
889 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
890 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
891 HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
892 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
893 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
894 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
895
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
896 /* Enable the SAI DMA requests */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
897 hsai->Instance->CR1 |= SAI_xCR1_DMAEN;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
898
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
899
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
900 /* If the SAI peripheral is still not enabled, enable it */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
901 if ((hsai->Instance->CR1 & SAI_xCR1_SAIEN) == 0)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
902 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
903 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
904 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
905 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
906
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
907 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
908 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
909
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
910 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
911 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
912
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
913 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
914 * @brief Stops the audio stream playing from the Media.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
915 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
916 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
917 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
918 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
919 HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
920 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
921 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
922 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
923
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
924 /* Disable the SAI DMA request */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
925 hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
926
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
927 /* Abort the SAI DMA Tx Stream */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
928 if(hsai->hdmatx != NULL)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
929 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
930 HAL_DMA_Abort(hsai->hdmatx);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
931 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
932 /* Abort the SAI DMA Rx Stream */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
933 if(hsai->hdmarx != NULL)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
934 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
935 HAL_DMA_Abort(hsai->hdmarx);
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 /* Disable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
939 __HAL_SAI_DISABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
940
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
941 hsai->State = HAL_SAI_STATE_READY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
942
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
943 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
944 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
945
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
946 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
947 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
948 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
949 * @brief Transmits an amount of data in no-blocking mode with DMA.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
950 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
951 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
952 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
953 * @param Size: Amount of data to be sent
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
954 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
955 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
956 HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint16_t *pData, uint16_t Size)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
957 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
958 uint32_t *tmp;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
959
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
960 if((pData == NULL) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
961 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
962 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
963 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
964
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
965 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
966 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
967 hsai->pTxBuffPtr = pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
968 hsai->TxXferSize = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
969 hsai->TxXferCount = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
970
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
971 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
972 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
973
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
974 hsai->State = HAL_SAI_STATE_BUSY_TX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
975
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
976 /* Set the SAI Tx DMA Half transfer complete callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
977 hsai->hdmatx->XferHalfCpltCallback = SAI_DMATxHalfCplt;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
978
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
979 /* Set the SAI TxDMA transfer complete callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
980 hsai->hdmatx->XferCpltCallback = SAI_DMATxCplt;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
981
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
982 /* Set the DMA error callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
983 hsai->hdmatx->XferErrorCallback = SAI_DMAError;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
984
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
985 /* Enable the Tx DMA Stream */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
986 tmp = (uint32_t*)&pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
987 HAL_DMA_Start_IT(hsai->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsai->Instance->DR, hsai->TxXferSize);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
988
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
989 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
990 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
991 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
992 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
993 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
994 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
995
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
996 /* Enable SAI Tx DMA Request */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
997 hsai->Instance->CR1 |= SAI_xCR1_DMAEN;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
998
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
999 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1000 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1001
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1002 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1003 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1004 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1005 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1006 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1007 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1008 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1009
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1010 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1011 * @brief Receives an amount of data in no-blocking mode with DMA.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1012 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1013 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1014 * @param pData: Pointer to data buffer
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1015 * @param Size: Amount of data to be received
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1016 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1017 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1018 HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint16_t *pData, uint16_t Size)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1019 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1020 uint32_t *tmp;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1021
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1022 if((pData == NULL) || (Size == 0))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1023 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1024 return HAL_ERROR;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1025 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1026
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1027 if(hsai->State == HAL_SAI_STATE_READY)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1028 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1029 hsai->pRxBuffPtr = pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1030 hsai->RxXferSize = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1031 hsai->RxXferCount = Size;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1032
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1033 /* Process Locked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1034 __HAL_LOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1035
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1036 hsai->State = HAL_SAI_STATE_BUSY_RX;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1037
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1038 /* Set the SAI Rx DMA Half transfer complete callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1039 hsai->hdmarx->XferHalfCpltCallback = SAI_DMARxHalfCplt;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1040
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1041 /* Set the SAI Rx DMA transfer complete callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1042 hsai->hdmarx->XferCpltCallback = SAI_DMARxCplt;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1043
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1044 /* Set the DMA error callback */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1045 hsai->hdmarx->XferErrorCallback = SAI_DMAError;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1046
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1047 /* Enable the Rx DMA Stream */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1048 tmp = (uint32_t*)&pData;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1049 HAL_DMA_Start_IT(hsai->hdmarx, (uint32_t)&hsai->Instance->DR, *(uint32_t*)tmp, hsai->RxXferSize);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1050
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1051 /* Check if the SAI is already enabled */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1052 if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1053 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1054 /* Enable SAI peripheral */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1055 __HAL_SAI_ENABLE(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1056 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1057
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1058 /* Enable SAI Rx DMA Request */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1059 hsai->Instance->CR1 |= SAI_xCR1_DMAEN;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1060
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1061 /* Process Unlocked */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1062 __HAL_UNLOCK(hsai);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1063
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1064 return HAL_OK;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1065 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1066 else
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1067 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1068 return HAL_BUSY;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1069 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1070 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1071
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1072 /**
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1073 * @brief This function handles SAI interrupt request.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1074 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1075 * the configuration information for SAI module.
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1076 * @retval HAL status
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1077 */
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1078 void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1079 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1080 uint32_t tmp1 = 0, tmp2 = 0;
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1081
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1082 if(hsai->State == HAL_SAI_STATE_BUSY_RX)
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1083 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1084 tmp1 = __HAL_SAI_GET_FLAG(hsai, SAI_xSR_FREQ);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1085 tmp2 = __HAL_SAI_GET_IT_SOURCE(hsai, SAI_IT_FREQ);
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1086 /* SAI in mode Receiver --------------------------------------------------*/
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1087 if((tmp1 != RESET) && (tmp2 != RESET))
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1088 {
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1089 HAL_SAI_Receive_IT(hsai, NULL, 0);
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diff changeset
1090 }
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diff changeset
1091
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parents:
diff changeset
1092 tmp1 = __HAL_SAI_GET_FLAG(hsai, SAI_FLAG_OVRUDR);
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parents:
diff changeset
1093 tmp2 = __HAL_SAI_GET_IT_SOURCE(hsai, SAI_IT_OVRUDR);
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parents:
diff changeset
1094 /* SAI Overrun error interrupt occurred ----------------------------------*/
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parents:
diff changeset
1095 if((tmp1 != RESET) && (tmp2 != RESET))
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parents:
diff changeset
1096 {
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parents:
diff changeset
1097 /* Change the SAI error code */
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parents:
diff changeset
1098 hsai->ErrorCode = HAL_SAI_ERROR_OVR;
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parents:
diff changeset
1099
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parents:
diff changeset
1100 /* Clear the SAI Overrun flag */
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parents:
diff changeset
1101 __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR);
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parents:
diff changeset
1102 /* Set the SAI state ready to be able to start again the process */
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parents:
diff changeset
1103 hsai->State = HAL_SAI_STATE_READY;
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parents:
diff changeset
1104 HAL_SAI_ErrorCallback(hsai);
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diff changeset
1105 }
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1106 }
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diff changeset
1107
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diff changeset
1108 if(hsai->State == HAL_SAI_STATE_BUSY_TX)
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parents:
diff changeset
1109 {
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diff changeset
1110 tmp1 = __HAL_SAI_GET_FLAG(hsai, SAI_xSR_FREQ);
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parents:
diff changeset
1111 tmp2 = __HAL_SAI_GET_IT_SOURCE(hsai, SAI_IT_FREQ);
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parents:
diff changeset
1112 /* SAI in mode Transmitter -----------------------------------------------*/
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diff changeset
1113 if((tmp1 != RESET) && (tmp2 != RESET))
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parents:
diff changeset
1114 {
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parents:
diff changeset
1115 HAL_SAI_Transmit_IT(hsai, NULL, 0);
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diff changeset
1116 }
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diff changeset
1117
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diff changeset
1118 tmp1 = __HAL_SAI_GET_FLAG(hsai, SAI_FLAG_OVRUDR);
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parents:
diff changeset
1119 tmp2 = __HAL_SAI_GET_IT_SOURCE(hsai, SAI_IT_OVRUDR);
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parents:
diff changeset
1120 /* SAI Underrun error interrupt occurred ---------------------------------*/
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1121 if((tmp1 != RESET) && (tmp2 != RESET))
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parents:
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1122 {
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parents:
diff changeset
1123 /* Change the SAI error code */
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parents:
diff changeset
1124 hsai->ErrorCode = HAL_SAI_ERROR_UDR;
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parents:
diff changeset
1125
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parents:
diff changeset
1126 /* Clear the SAI Underrun flag */
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parents:
diff changeset
1127 __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR);
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parents:
diff changeset
1128 /* Set the SAI state ready to be able to start again the process */
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parents:
diff changeset
1129 hsai->State = HAL_SAI_STATE_READY;
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parents:
diff changeset
1130 HAL_SAI_ErrorCallback(hsai);
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diff changeset
1131 }
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diff changeset
1132 }
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diff changeset
1133 }
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diff changeset
1134
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parents:
diff changeset
1135 /**
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diff changeset
1136 * @brief Tx Transfer completed callbacks.
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parents:
diff changeset
1137 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1138 * the configuration information for SAI module.
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parents:
diff changeset
1139 * @retval None
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parents:
diff changeset
1140 */
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parents:
diff changeset
1141 __weak void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1142 {
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parents:
diff changeset
1143 /* NOTE : This function Should not be modified, when the callback is needed,
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parents:
diff changeset
1144 the HAL_SAI_TxCpltCallback could be implemented in the user file
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parents:
diff changeset
1145 */
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diff changeset
1146 }
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diff changeset
1147
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parents:
diff changeset
1148 /**
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parents:
diff changeset
1149 * @brief Tx Transfer Half completed callbacks
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parents:
diff changeset
1150 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1151 * the configuration information for SAI module.
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parents:
diff changeset
1152 * @retval None
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parents:
diff changeset
1153 */
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parents:
diff changeset
1154 __weak void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1155 {
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parents:
diff changeset
1156 /* NOTE : This function Should not be modified, when the callback is needed,
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heinrichsweikamp
parents:
diff changeset
1157 the HAL_SAI_TxHalfCpltCallback could be implemented in the user file
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parents:
diff changeset
1158 */
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parents:
diff changeset
1159 }
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parents:
diff changeset
1160
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parents:
diff changeset
1161 /**
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parents:
diff changeset
1162 * @brief Rx Transfer completed callbacks.
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parents:
diff changeset
1163 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1164 * the configuration information for SAI module.
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parents:
diff changeset
1165 * @retval None
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parents:
diff changeset
1166 */
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parents:
diff changeset
1167 __weak void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1168 {
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parents:
diff changeset
1169 /* NOTE : This function Should not be modified, when the callback is needed,
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parents:
diff changeset
1170 the HAL_SAI_RxCpltCallback could be implemented in the user file
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parents:
diff changeset
1171 */
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parents:
diff changeset
1172 }
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heinrichsweikamp
parents:
diff changeset
1173
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heinrichsweikamp
parents:
diff changeset
1174 /**
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heinrichsweikamp
parents:
diff changeset
1175 * @brief Rx Transfer half completed callbacks
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parents:
diff changeset
1176 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1177 * the configuration information for SAI module.
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heinrichsweikamp
parents:
diff changeset
1178 * @retval None
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parents:
diff changeset
1179 */
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parents:
diff changeset
1180 __weak void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1181 {
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parents:
diff changeset
1182 /* NOTE : This function Should not be modified, when the callback is needed,
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
1183 the HAL_SAI_RxCpltCallback could be implemented in the user file
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parents:
diff changeset
1184 */
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parents:
diff changeset
1185 }
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heinrichsweikamp
parents:
diff changeset
1186
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parents:
diff changeset
1187 /**
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heinrichsweikamp
parents:
diff changeset
1188 * @brief SAI error callbacks.
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parents:
diff changeset
1189 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1190 * the configuration information for SAI module.
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parents:
diff changeset
1191 * @retval None
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parents:
diff changeset
1192 */
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parents:
diff changeset
1193 __weak void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1194 {
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parents:
diff changeset
1195 /* NOTE : This function Should not be modified, when the callback is needed,
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heinrichsweikamp
parents:
diff changeset
1196 the HAL_SAI_ErrorCallback could be implemented in the user file
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parents:
diff changeset
1197 */
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diff changeset
1198 }
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parents:
diff changeset
1199
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parents:
diff changeset
1200 /**
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heinrichsweikamp
parents:
diff changeset
1201 * @}
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diff changeset
1202 */
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parents:
diff changeset
1203
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parents:
diff changeset
1204
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parents:
diff changeset
1205 /** @defgroup SAI_Exported_Functions_Group3 Peripheral State functions
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parents:
diff changeset
1206 * @brief Peripheral State functions
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parents:
diff changeset
1207 *
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heinrichsweikamp
parents:
diff changeset
1208 @verbatim
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parents:
diff changeset
1209 ===============================================================================
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heinrichsweikamp
parents:
diff changeset
1210 ##### Peripheral State and Errors functions #####
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heinrichsweikamp
parents:
diff changeset
1211 ===============================================================================
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parents:
diff changeset
1212 [..]
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heinrichsweikamp
parents:
diff changeset
1213 This subsection permits to get in run-time the status of the peripheral
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heinrichsweikamp
parents:
diff changeset
1214 and the data flow.
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heinrichsweikamp
parents:
diff changeset
1215
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heinrichsweikamp
parents:
diff changeset
1216 @endverbatim
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parents:
diff changeset
1217 * @{
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parents:
diff changeset
1218 */
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heinrichsweikamp
parents:
diff changeset
1219
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parents:
diff changeset
1220 /**
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parents:
diff changeset
1221 * @brief Returns the SAI state.
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parents:
diff changeset
1222 * @param hsai: pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1223 * the configuration information for SAI module.
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parents:
diff changeset
1224 * @retval HAL state
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heinrichsweikamp
parents:
diff changeset
1225 */
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parents:
diff changeset
1226 HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1227 {
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parents:
diff changeset
1228 return hsai->State;
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parents:
diff changeset
1229 }
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heinrichsweikamp
parents:
diff changeset
1230
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parents:
diff changeset
1231 /**
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heinrichsweikamp
parents:
diff changeset
1232 * @brief Return the SAI error code
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parents:
diff changeset
1233 * @param hsai : pointer to a SAI_HandleTypeDef structure that contains
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parents:
diff changeset
1234 * the configuration information for the specified SAI Block.
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parents:
diff changeset
1235 * @retval SAI Error Code
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heinrichsweikamp
parents:
diff changeset
1236 */
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parents:
diff changeset
1237 uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai)
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parents:
diff changeset
1238 {
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heinrichsweikamp
parents:
diff changeset
1239 return hsai->ErrorCode;
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parents:
diff changeset
1240 }
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heinrichsweikamp
parents:
diff changeset
1241 /**
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heinrichsweikamp
parents:
diff changeset
1242 * @}
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heinrichsweikamp
parents:
diff changeset
1243 */
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heinrichsweikamp
parents:
diff changeset
1244
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heinrichsweikamp
parents:
diff changeset
1245 /**
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heinrichsweikamp
parents:
diff changeset
1246 * @brief DMA SAI transmit process complete callback.
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heinrichsweikamp
parents:
diff changeset
1247 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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parents:
diff changeset
1248 * the configuration information for the specified DMA module.
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heinrichsweikamp
parents:
diff changeset
1249 * @retval None
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heinrichsweikamp
parents:
diff changeset
1250 */
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parents:
diff changeset
1251 static void SAI_DMATxCplt(DMA_HandleTypeDef *hdma)
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parents:
diff changeset
1252 {
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parents:
diff changeset
1253 uint32_t tickstart = 0;
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heinrichsweikamp
parents:
diff changeset
1254
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heinrichsweikamp
parents:
diff changeset
1255 SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef* )hdma)->Parent;
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heinrichsweikamp
parents:
diff changeset
1256
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parents:
diff changeset
1257 if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0)
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heinrichsweikamp
parents:
diff changeset
1258 {
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heinrichsweikamp
parents:
diff changeset
1259 hsai->TxXferCount = 0;
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heinrichsweikamp
parents:
diff changeset
1260 hsai->RxXferCount = 0;
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heinrichsweikamp
parents:
diff changeset
1261
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heinrichsweikamp
parents:
diff changeset
1262 /* Disable SAI Tx DMA Request */
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heinrichsweikamp
parents:
diff changeset
1263 hsai->Instance->CR1 &= (uint32_t)(~SAI_xCR1_DMAEN);
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heinrichsweikamp
parents:
diff changeset
1264
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heinrichsweikamp
parents:
diff changeset
1265 /* Get tick */
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heinrichsweikamp
parents:
diff changeset
1266 tickstart = HAL_GetTick();
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heinrichsweikamp
parents:
diff changeset
1267
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heinrichsweikamp
parents:
diff changeset
1268 /* Set timeout: 10 is the max delay to send the remaining data in the SAI FIFO */
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heinrichsweikamp
parents:
diff changeset
1269 /* Wait until FIFO is empty */
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heinrichsweikamp
parents:
diff changeset
1270 while(__HAL_SAI_GET_FLAG(hsai, SAI_xSR_FLVL) != RESET)
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1271 {
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1272 /* Check for the Timeout */
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1273 if((HAL_GetTick() - tickstart ) > SAI_TIMEOUT_VALUE)
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1274 {
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1275 /* Update error code */
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1276 hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT;
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1277
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1278 /* Change the SAI state */
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1279 HAL_SAI_ErrorCallback(hsai);
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1280 }
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1281 }
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1282
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1283 hsai->State= HAL_SAI_STATE_READY;
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1284 }
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1285 HAL_SAI_TxCpltCallback(hsai);
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1286 }
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1287
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1288 /**
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1289 * @brief DMA SAI transmit process half complete callback
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1290 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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1291 * the configuration information for the specified DMA module.
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1292 * @retval None
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1293 */
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1294 static void SAI_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
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1295 {
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1296 SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
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1297
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1298 HAL_SAI_TxHalfCpltCallback(hsai);
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1299 }
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1300
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1301 /**
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1302 * @brief DMA SAI receive process complete callback.
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1303 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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1304 * the configuration information for the specified DMA module.
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1305 * @retval None
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1306 */
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1307 static void SAI_DMARxCplt(DMA_HandleTypeDef *hdma)
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1308 {
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1309 SAI_HandleTypeDef* hsai = ( SAI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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1310 if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0)
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1311 {
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1312 /* Disable Rx DMA Request */
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1313 hsai->Instance->CR1 &= (uint32_t)(~SAI_xCR1_DMAEN);
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1314 hsai->RxXferCount = 0;
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1315
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1316 hsai->State = HAL_SAI_STATE_READY;
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1317 }
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1318 HAL_SAI_RxCpltCallback(hsai);
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1319 }
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1320
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1321 /**
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1322 * @brief DMA SAI receive process half complete callback
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1323 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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1324 * the configuration information for the specified DMA module.
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1325 * @retval None
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1326 */
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1327 static void SAI_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
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1328 {
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1329 SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
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1330
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1331 HAL_SAI_RxHalfCpltCallback(hsai);
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1332 }
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1333 /**
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1334 * @brief DMA SAI communication error callback.
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1335 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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1336 * the configuration information for the specified DMA module.
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1337 * @retval None
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1338 */
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1339 static void SAI_DMAError(DMA_HandleTypeDef *hdma)
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1340 {
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1341 SAI_HandleTypeDef* hsai = ( SAI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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1342 /* Set the SAI state ready to be able to start again the process */
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1343 hsai->State= HAL_SAI_STATE_READY;
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1344 HAL_SAI_ErrorCallback(hsai);
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1345
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1346 hsai->TxXferCount = 0;
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1347 hsai->RxXferCount = 0;
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1348 }
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1349
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1350 /**
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1351 * @}
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1352 */
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1353
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1354 #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
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1355 #endif /* HAL_SAI_MODULE_ENABLED */
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1356 /**
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1357 * @}
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1358 */
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1359
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1360 /**
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1361 * @}
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1362 */
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1363
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1364 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/