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targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_sai.c@613:bc40b8d2aec4, 2015-08-20 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Aug 20 10:45:13 2015 +0100
- Revision:
- 613:bc40b8d2aec4
- Parent:
- 532:fe11edbda85c
Synchronized with git revision 92ca8c7b60a283b6bb60eb65b183dac1599f0ade
Full URL: https://github.com/mbedmicro/mbed/commit/92ca8c7b60a283b6bb60eb65b183dac1599f0ade/
Nordic: update application start address in GCC linker script
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 87:085cde657901 | 1 | /** |
mbed_official | 87:085cde657901 | 2 | ****************************************************************************** |
mbed_official | 87:085cde657901 | 3 | * @file stm32f4xx_hal_sai.c |
mbed_official | 87:085cde657901 | 4 | * @author MCD Application Team |
mbed_official | 613:bc40b8d2aec4 | 5 | * @version V1.3.2 |
mbed_official | 613:bc40b8d2aec4 | 6 | * @date 26-June-2015 |
mbed_official | 87:085cde657901 | 7 | * @brief SAI HAL module driver. |
mbed_official | 87:085cde657901 | 8 | * This file provides firmware functions to manage the following |
mbed_official | 87:085cde657901 | 9 | * functionalities of the Serial Audio Interface (SAI) peripheral: |
mbed_official | 87:085cde657901 | 10 | * + Initialization/de-initialization functions |
mbed_official | 87:085cde657901 | 11 | * + I/O operation functions |
mbed_official | 87:085cde657901 | 12 | * + Peripheral Control functions |
mbed_official | 87:085cde657901 | 13 | * + Peripheral State functions |
mbed_official | 87:085cde657901 | 14 | * |
mbed_official | 87:085cde657901 | 15 | @verbatim |
mbed_official | 87:085cde657901 | 16 | ============================================================================== |
mbed_official | 87:085cde657901 | 17 | ##### How to use this driver ##### |
mbed_official | 87:085cde657901 | 18 | ============================================================================== |
mbed_official | 87:085cde657901 | 19 | |
mbed_official | 87:085cde657901 | 20 | [..] |
mbed_official | 226:b062af740e40 | 21 | The SAI HAL driver can be used as follows: |
mbed_official | 87:085cde657901 | 22 | |
mbed_official | 87:085cde657901 | 23 | (#) Declare a SAI_HandleTypeDef handle structure. |
mbed_official | 226:b062af740e40 | 24 | (#) Initialize the SAI low level resources by implementing the HAL_SAI_MspInit() API: |
mbed_official | 87:085cde657901 | 25 | (##) Enable the SAI interface clock. |
mbed_official | 87:085cde657901 | 26 | (##) SAI pins configuration: |
mbed_official | 87:085cde657901 | 27 | (+++) Enable the clock for the SAI GPIOs. |
mbed_official | 87:085cde657901 | 28 | (+++) Configure these SAI pins as alternate function pull-up. |
mbed_official | 87:085cde657901 | 29 | (##) NVIC configuration if you need to use interrupt process (HAL_SAI_Transmit_IT() |
mbed_official | 87:085cde657901 | 30 | and HAL_SAI_Receive_IT() APIs): |
mbed_official | 87:085cde657901 | 31 | (+++) Configure the SAI interrupt priority. |
mbed_official | 87:085cde657901 | 32 | (+++) Enable the NVIC SAI IRQ handle. |
mbed_official | 87:085cde657901 | 33 | |
mbed_official | 87:085cde657901 | 34 | (##) DMA Configuration if you need to use DMA process (HAL_SAI_Transmit_DMA() |
mbed_official | 87:085cde657901 | 35 | and HAL_SAI_Receive_DMA() APIs): |
mbed_official | 87:085cde657901 | 36 | (+++) Declare a DMA handle structure for the Tx/Rx stream. |
mbed_official | 87:085cde657901 | 37 | (+++) Enable the DMAx interface clock. |
mbed_official | 87:085cde657901 | 38 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 87:085cde657901 | 39 | (+++) Configure the DMA Tx/Rx Stream. |
mbed_official | 87:085cde657901 | 40 | (+++) Associate the initialized DMA handle to the SAI DMA Tx/Rx handle. |
mbed_official | 87:085cde657901 | 41 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the |
mbed_official | 87:085cde657901 | 42 | DMA Tx/Rx Stream. |
mbed_official | 87:085cde657901 | 43 | |
mbed_official | 87:085cde657901 | 44 | (#) Program the SAI Mode, Standard, Data Format, MCLK Output, Audio frequency and Polarity |
mbed_official | 87:085cde657901 | 45 | using HAL_SAI_Init() function. |
mbed_official | 87:085cde657901 | 46 | |
mbed_official | 87:085cde657901 | 47 | -@- The specific SAI interrupts (FIFO request and Overrun underrun interrupt) |
mbed_official | 87:085cde657901 | 48 | will be managed using the macros __SAI_ENABLE_IT() and __SAI_DISABLE_IT() |
mbed_official | 87:085cde657901 | 49 | inside the transmit and receive process. |
mbed_official | 532:fe11edbda85c | 50 | |
mbed_official | 532:fe11edbda85c | 51 | [..] |
mbed_official | 532:fe11edbda85c | 52 | (@) SAI Clock Source configuration is managed differently depending on the selected |
mbed_official | 532:fe11edbda85c | 53 | STM32F4 devices : |
mbed_official | 532:fe11edbda85c | 54 | (+@) For STM32F446xx devices, the configuration is managed through RCCEx_PeriphCLKConfig() |
mbed_official | 532:fe11edbda85c | 55 | function in the HAL RCC drivers |
mbed_official | 532:fe11edbda85c | 56 | (+@) For STM32F439xx/STM32F437xx/STM32F429xx/STM32F427xx devices, the configuration |
mbed_official | 532:fe11edbda85c | 57 | is managed within HAL SAI drivers through HAL_SAI_Init() function using |
mbed_official | 532:fe11edbda85c | 58 | ClockSource field of SAI_InitTypeDef structure. |
mbed_official | 87:085cde657901 | 59 | [..] |
mbed_official | 87:085cde657901 | 60 | (@) Make sure that either: |
mbed_official | 87:085cde657901 | 61 | (+@) I2S PLL is configured or |
mbed_official | 87:085cde657901 | 62 | (+@) SAI PLL is configured or |
mbed_official | 87:085cde657901 | 63 | (+@) External clock source is configured after setting correctly |
mbed_official | 87:085cde657901 | 64 | the define constant EXTERNAL_CLOCK_VALUE in the stm32f4xx_hal_conf.h file. |
mbed_official | 87:085cde657901 | 65 | |
mbed_official | 87:085cde657901 | 66 | [..] |
mbed_official | 226:b062af740e40 | 67 | (@) In master Tx mode: enabling the audio block immediately generates the bit clock |
mbed_official | 87:085cde657901 | 68 | for the external slaves even if there is no data in the FIFO, However FS signal |
mbed_official | 87:085cde657901 | 69 | generation is conditioned by the presence of data in the FIFO. |
mbed_official | 87:085cde657901 | 70 | |
mbed_official | 87:085cde657901 | 71 | [..] |
mbed_official | 226:b062af740e40 | 72 | (@) In master Rx mode: enabling the audio block immediately generates the bit clock |
mbed_official | 87:085cde657901 | 73 | and FS signal for the external slaves. |
mbed_official | 87:085cde657901 | 74 | |
mbed_official | 87:085cde657901 | 75 | [..] |
mbed_official | 87:085cde657901 | 76 | (@) It is mandatory to respect the following conditions in order to avoid bad SAI behavior: |
mbed_official | 87:085cde657901 | 77 | (+@) First bit Offset <= (SLOT size - Data size) |
mbed_official | 87:085cde657901 | 78 | (+@) Data size <= SLOT size |
mbed_official | 87:085cde657901 | 79 | (+@) Number of SLOT x SLOT size = Frame length |
mbed_official | 87:085cde657901 | 80 | (+@) The number of slots should be even when SAI_FS_CHANNEL_IDENTIFICATION is selected. |
mbed_official | 87:085cde657901 | 81 | |
mbed_official | 87:085cde657901 | 82 | [..] |
mbed_official | 226:b062af740e40 | 83 | Three operation modes are available within this driver : |
mbed_official | 87:085cde657901 | 84 | |
mbed_official | 87:085cde657901 | 85 | *** Polling mode IO operation *** |
mbed_official | 87:085cde657901 | 86 | ================================= |
mbed_official | 87:085cde657901 | 87 | [..] |
mbed_official | 87:085cde657901 | 88 | (+) Send an amount of data in blocking mode using HAL_SAI_Transmit() |
mbed_official | 87:085cde657901 | 89 | (+) Receive an amount of data in blocking mode using HAL_SAI_Receive() |
mbed_official | 87:085cde657901 | 90 | |
mbed_official | 87:085cde657901 | 91 | *** Interrupt mode IO operation *** |
mbed_official | 87:085cde657901 | 92 | =================================== |
mbed_official | 87:085cde657901 | 93 | [..] |
mbed_official | 87:085cde657901 | 94 | (+) Send an amount of data in non blocking mode using HAL_SAI_Transmit_IT() |
mbed_official | 87:085cde657901 | 95 | (+) At transmission end of transfer HAL_SAI_TxCpltCallback is executed and user can |
mbed_official | 87:085cde657901 | 96 | add his own code by customization of function pointer HAL_SAI_TxCpltCallback |
mbed_official | 87:085cde657901 | 97 | (+) Receive an amount of data in non blocking mode using HAL_SAI_Receive_IT() |
mbed_official | 87:085cde657901 | 98 | (+) At reception end of transfer HAL_SAI_RxCpltCallback is executed and user can |
mbed_official | 87:085cde657901 | 99 | add his own code by customization of function pointer HAL_SAI_RxCpltCallback |
mbed_official | 87:085cde657901 | 100 | (+) In case of transfer Error, HAL_SAI_ErrorCallback() function is executed and user can |
mbed_official | 87:085cde657901 | 101 | add his own code by customization of function pointer HAL_SAI_ErrorCallback |
mbed_official | 87:085cde657901 | 102 | |
mbed_official | 87:085cde657901 | 103 | *** DMA mode IO operation *** |
mbed_official | 87:085cde657901 | 104 | ============================== |
mbed_official | 87:085cde657901 | 105 | [..] |
mbed_official | 87:085cde657901 | 106 | (+) Send an amount of data in non blocking mode (DMA) using HAL_SAI_Transmit_DMA() |
mbed_official | 87:085cde657901 | 107 | (+) At transmission end of transfer HAL_SAI_TxCpltCallback is executed and user can |
mbed_official | 87:085cde657901 | 108 | add his own code by customization of function pointer HAL_SAI_TxCpltCallback |
mbed_official | 87:085cde657901 | 109 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_SAI_Receive_DMA() |
mbed_official | 87:085cde657901 | 110 | (+) At reception end of transfer HAL_SAI_RxCpltCallback is executed and user can |
mbed_official | 87:085cde657901 | 111 | add his own code by customization of function pointer HAL_SAI_RxCpltCallback |
mbed_official | 87:085cde657901 | 112 | (+) In case of transfer Error, HAL_SAI_ErrorCallback() function is executed and user can |
mbed_official | 87:085cde657901 | 113 | add his own code by customization of function pointer HAL_SAI_ErrorCallback |
mbed_official | 87:085cde657901 | 114 | (+) Pause the DMA Transfer using HAL_SAI_DMAPause() |
mbed_official | 87:085cde657901 | 115 | (+) Resume the DMA Transfer using HAL_SAI_DMAResume() |
mbed_official | 87:085cde657901 | 116 | (+) Stop the DMA Transfer using HAL_SAI_DMAStop() |
mbed_official | 87:085cde657901 | 117 | |
mbed_official | 87:085cde657901 | 118 | *** SAI HAL driver macros list *** |
mbed_official | 87:085cde657901 | 119 | ============================================= |
mbed_official | 87:085cde657901 | 120 | [..] |
mbed_official | 226:b062af740e40 | 121 | Below the list of most used macros in USART HAL driver : |
mbed_official | 87:085cde657901 | 122 | |
mbed_official | 87:085cde657901 | 123 | (+) __HAL_SAI_ENABLE: Enable the SAI peripheral |
mbed_official | 87:085cde657901 | 124 | (+) __HAL_SAI_DISABLE: Disable the SAI peripheral |
mbed_official | 87:085cde657901 | 125 | (+) __HAL_SAI_ENABLE_IT : Enable the specified SAI interrupts |
mbed_official | 87:085cde657901 | 126 | (+) __HAL_SAI_DISABLE_IT : Disable the specified SAI interrupts |
mbed_official | 87:085cde657901 | 127 | (+) __HAL_SAI_GET_IT_SOURCE: Check if the specified SAI interrupt source is |
mbed_official | 87:085cde657901 | 128 | enabled or disabled |
mbed_official | 87:085cde657901 | 129 | (+) __HAL_SAI_GET_FLAG: Check whether the specified SAI flag is set or not |
mbed_official | 87:085cde657901 | 130 | |
mbed_official | 87:085cde657901 | 131 | @endverbatim |
mbed_official | 87:085cde657901 | 132 | ****************************************************************************** |
mbed_official | 87:085cde657901 | 133 | * @attention |
mbed_official | 87:085cde657901 | 134 | * |
mbed_official | 532:fe11edbda85c | 135 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 87:085cde657901 | 136 | * |
mbed_official | 87:085cde657901 | 137 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 87:085cde657901 | 138 | * are permitted provided that the following conditions are met: |
mbed_official | 87:085cde657901 | 139 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 87:085cde657901 | 140 | * this list of conditions and the following disclaimer. |
mbed_official | 87:085cde657901 | 141 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 87:085cde657901 | 142 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 87:085cde657901 | 143 | * and/or other materials provided with the distribution. |
mbed_official | 87:085cde657901 | 144 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 87:085cde657901 | 145 | * may be used to endorse or promote products derived from this software |
mbed_official | 87:085cde657901 | 146 | * without specific prior written permission. |
mbed_official | 87:085cde657901 | 147 | * |
mbed_official | 87:085cde657901 | 148 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 87:085cde657901 | 149 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 87:085cde657901 | 150 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 87:085cde657901 | 151 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 87:085cde657901 | 152 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 87:085cde657901 | 153 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 87:085cde657901 | 154 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 87:085cde657901 | 155 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 87:085cde657901 | 156 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 87:085cde657901 | 157 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 87:085cde657901 | 158 | * |
mbed_official | 87:085cde657901 | 159 | ****************************************************************************** |
mbed_official | 87:085cde657901 | 160 | */ |
mbed_official | 87:085cde657901 | 161 | |
mbed_official | 87:085cde657901 | 162 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 87:085cde657901 | 163 | #include "stm32f4xx_hal.h" |
mbed_official | 87:085cde657901 | 164 | |
mbed_official | 87:085cde657901 | 165 | /** @addtogroup STM32F4xx_HAL_Driver |
mbed_official | 87:085cde657901 | 166 | * @{ |
mbed_official | 87:085cde657901 | 167 | */ |
mbed_official | 87:085cde657901 | 168 | |
mbed_official | 532:fe11edbda85c | 169 | /** @defgroup SAI SAI |
mbed_official | 87:085cde657901 | 170 | * @brief SAI HAL module driver |
mbed_official | 87:085cde657901 | 171 | * @{ |
mbed_official | 87:085cde657901 | 172 | */ |
mbed_official | 87:085cde657901 | 173 | |
mbed_official | 87:085cde657901 | 174 | #ifdef HAL_SAI_MODULE_ENABLED |
mbed_official | 87:085cde657901 | 175 | |
mbed_official | 532:fe11edbda85c | 176 | #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) |
mbed_official | 87:085cde657901 | 177 | |
mbed_official | 87:085cde657901 | 178 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 179 | /** @defgroup SAI_Private_Typedefs SAI Private Typedefs |
mbed_official | 532:fe11edbda85c | 180 | * @{ |
mbed_official | 532:fe11edbda85c | 181 | */ |
mbed_official | 532:fe11edbda85c | 182 | typedef enum { |
mbed_official | 532:fe11edbda85c | 183 | SAI_MODE_DMA, |
mbed_official | 532:fe11edbda85c | 184 | SAI_MODE_IT |
mbed_official | 532:fe11edbda85c | 185 | }SAI_ModeTypedef; |
mbed_official | 532:fe11edbda85c | 186 | /** |
mbed_official | 532:fe11edbda85c | 187 | * @} |
mbed_official | 532:fe11edbda85c | 188 | */ |
mbed_official | 87:085cde657901 | 189 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 190 | /** @defgroup SAI_Private_Constants SAI Private Constants |
mbed_official | 532:fe11edbda85c | 191 | * @{ |
mbed_official | 532:fe11edbda85c | 192 | */ |
mbed_official | 532:fe11edbda85c | 193 | #define SAI_FIFO_SIZE 8 |
mbed_official | 532:fe11edbda85c | 194 | #define SAI_DEFAULT_TIMEOUT 4 |
mbed_official | 532:fe11edbda85c | 195 | /** |
mbed_official | 532:fe11edbda85c | 196 | * @} |
mbed_official | 532:fe11edbda85c | 197 | */ |
mbed_official | 532:fe11edbda85c | 198 | |
mbed_official | 87:085cde657901 | 199 | /* SAI registers Masks */ |
mbed_official | 532:fe11edbda85c | 200 | #define CR1_CLEAR_MASK ((uint32_t)0xFF04C010) |
mbed_official | 87:085cde657901 | 201 | #define FRCR_CLEAR_MASK ((uint32_t)0xFFF88000) |
mbed_official | 87:085cde657901 | 202 | #define SLOTR_CLEAR_MASK ((uint32_t)0x0000F020) |
mbed_official | 87:085cde657901 | 203 | |
mbed_official | 369:2e96f1b71984 | 204 | #define SAI_TIMEOUT_VALUE 10 |
mbed_official | 87:085cde657901 | 205 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 87:085cde657901 | 206 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 87:085cde657901 | 207 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 208 | static void SAI_FillFifo(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 209 | static uint32_t SAI_InterruptFlag(SAI_HandleTypeDef *hsai, uint32_t mode); |
mbed_official | 532:fe11edbda85c | 210 | static HAL_StatusTypeDef SAI_InitI2S(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot); |
mbed_official | 532:fe11edbda85c | 211 | static HAL_StatusTypeDef SAI_InitPCM(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot); |
mbed_official | 532:fe11edbda85c | 212 | |
mbed_official | 532:fe11edbda85c | 213 | static HAL_StatusTypeDef SAI_Disable(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 214 | static void SAI_Transmit_IT8Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 215 | static void SAI_Transmit_IT16Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 216 | static void SAI_Transmit_IT32Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 217 | static void SAI_Receive_IT8Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 218 | static void SAI_Receive_IT16Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 219 | static void SAI_Receive_IT32Bit(SAI_HandleTypeDef *hsai); |
mbed_official | 532:fe11edbda85c | 220 | |
mbed_official | 87:085cde657901 | 221 | static void SAI_DMATxCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 87:085cde657901 | 222 | static void SAI_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 87:085cde657901 | 223 | static void SAI_DMARxCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 87:085cde657901 | 224 | static void SAI_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 87:085cde657901 | 225 | static void SAI_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 87:085cde657901 | 226 | |
mbed_official | 532:fe11edbda85c | 227 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 87:085cde657901 | 228 | |
mbed_official | 532:fe11edbda85c | 229 | /** @defgroup SAI_Exported_Functions SAI Exported Functions |
mbed_official | 87:085cde657901 | 230 | * @{ |
mbed_official | 87:085cde657901 | 231 | */ |
mbed_official | 87:085cde657901 | 232 | |
mbed_official | 532:fe11edbda85c | 233 | /** @defgroup SAI_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 87:085cde657901 | 234 | * @brief Initialization and Configuration functions |
mbed_official | 87:085cde657901 | 235 | * |
mbed_official | 87:085cde657901 | 236 | @verbatim |
mbed_official | 87:085cde657901 | 237 | =============================================================================== |
mbed_official | 87:085cde657901 | 238 | ##### Initialization and de-initialization functions ##### |
mbed_official | 87:085cde657901 | 239 | =============================================================================== |
mbed_official | 87:085cde657901 | 240 | [..] This subsection provides a set of functions allowing to initialize and |
mbed_official | 87:085cde657901 | 241 | de-initialize the SAIx peripheral: |
mbed_official | 87:085cde657901 | 242 | |
mbed_official | 226:b062af740e40 | 243 | (+) User must implement HAL_SAI_MspInit() function in which he configures |
mbed_official | 87:085cde657901 | 244 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
mbed_official | 87:085cde657901 | 245 | |
mbed_official | 87:085cde657901 | 246 | (+) Call the function HAL_SAI_Init() to configure the selected device with |
mbed_official | 87:085cde657901 | 247 | the selected configuration: |
mbed_official | 87:085cde657901 | 248 | (++) Mode (Master/slave TX/RX) |
mbed_official | 87:085cde657901 | 249 | (++) Protocol |
mbed_official | 87:085cde657901 | 250 | (++) Data Size |
mbed_official | 87:085cde657901 | 251 | (++) MCLK Output |
mbed_official | 87:085cde657901 | 252 | (++) Audio frequency |
mbed_official | 87:085cde657901 | 253 | (++) FIFO Threshold |
mbed_official | 87:085cde657901 | 254 | (++) Frame Config |
mbed_official | 87:085cde657901 | 255 | (++) Slot Config |
mbed_official | 87:085cde657901 | 256 | |
mbed_official | 87:085cde657901 | 257 | (+) Call the function HAL_SAI_DeInit() to restore the default configuration |
mbed_official | 87:085cde657901 | 258 | of the selected SAI peripheral. |
mbed_official | 87:085cde657901 | 259 | |
mbed_official | 87:085cde657901 | 260 | @endverbatim |
mbed_official | 87:085cde657901 | 261 | * @{ |
mbed_official | 87:085cde657901 | 262 | */ |
mbed_official | 87:085cde657901 | 263 | |
mbed_official | 87:085cde657901 | 264 | /** |
mbed_official | 532:fe11edbda85c | 265 | * @brief Initializes the structure FrameInit, SlotInit and the low part of |
mbed_official | 532:fe11edbda85c | 266 | * Init according to the specified parameters and call the function |
mbed_official | 532:fe11edbda85c | 267 | * HAL_SAI_Init to initialize the SAI block. |
mbed_official | 532:fe11edbda85c | 268 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 269 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 270 | * @param protocol : one of the supported protocol @ref SAI_Protocol |
mbed_official | 532:fe11edbda85c | 271 | * @param datasize : one of the supported datasize @ref SAI_Protocol_DataSize |
mbed_official | 532:fe11edbda85c | 272 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 273 | * @param nbslot : Number of slot. |
mbed_official | 532:fe11edbda85c | 274 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 275 | */ |
mbed_official | 532:fe11edbda85c | 276 | HAL_StatusTypeDef HAL_SAI_InitProtocol(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot) |
mbed_official | 532:fe11edbda85c | 277 | { |
mbed_official | 532:fe11edbda85c | 278 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 532:fe11edbda85c | 279 | |
mbed_official | 532:fe11edbda85c | 280 | /* Check the parameters */ |
mbed_official | 532:fe11edbda85c | 281 | assert_param(IS_SAI_SUPPORTED_PROTOCOL(protocol)); |
mbed_official | 532:fe11edbda85c | 282 | assert_param(IS_SAI_PROTOCOL_DATASIZE(datasize)); |
mbed_official | 532:fe11edbda85c | 283 | |
mbed_official | 532:fe11edbda85c | 284 | switch(protocol) |
mbed_official | 532:fe11edbda85c | 285 | { |
mbed_official | 532:fe11edbda85c | 286 | case SAI_I2S_STANDARD : |
mbed_official | 532:fe11edbda85c | 287 | case SAI_I2S_MSBJUSTIFIED : |
mbed_official | 532:fe11edbda85c | 288 | case SAI_I2S_LSBJUSTIFIED : |
mbed_official | 532:fe11edbda85c | 289 | status = SAI_InitI2S(hsai, protocol, datasize, nbslot); |
mbed_official | 532:fe11edbda85c | 290 | break; |
mbed_official | 532:fe11edbda85c | 291 | case SAI_PCM_LONG : |
mbed_official | 532:fe11edbda85c | 292 | case SAI_PCM_SHORT : |
mbed_official | 532:fe11edbda85c | 293 | status = SAI_InitPCM(hsai, protocol, datasize, nbslot); |
mbed_official | 532:fe11edbda85c | 294 | break; |
mbed_official | 532:fe11edbda85c | 295 | default : |
mbed_official | 532:fe11edbda85c | 296 | status = HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 297 | break; |
mbed_official | 532:fe11edbda85c | 298 | } |
mbed_official | 532:fe11edbda85c | 299 | |
mbed_official | 532:fe11edbda85c | 300 | if(status == HAL_OK) |
mbed_official | 532:fe11edbda85c | 301 | { |
mbed_official | 532:fe11edbda85c | 302 | status = HAL_SAI_Init(hsai); |
mbed_official | 532:fe11edbda85c | 303 | } |
mbed_official | 532:fe11edbda85c | 304 | |
mbed_official | 532:fe11edbda85c | 305 | return status; |
mbed_official | 532:fe11edbda85c | 306 | } |
mbed_official | 532:fe11edbda85c | 307 | |
mbed_official | 532:fe11edbda85c | 308 | /** |
mbed_official | 87:085cde657901 | 309 | * @brief Initializes the SAI according to the specified parameters |
mbed_official | 87:085cde657901 | 310 | * in the SAI_InitTypeDef and create the associated handle. |
mbed_official | 226:b062af740e40 | 311 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 312 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 313 | * @retval HAL status |
mbed_official | 87:085cde657901 | 314 | */ |
mbed_official | 87:085cde657901 | 315 | HAL_StatusTypeDef HAL_SAI_Init(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 316 | { |
mbed_official | 532:fe11edbda85c | 317 | uint32_t tmpclock = 0; |
mbed_official | 532:fe11edbda85c | 318 | |
mbed_official | 87:085cde657901 | 319 | /* This variable used to store the SAI_CK_x (value in Hz) */ |
mbed_official | 532:fe11edbda85c | 320 | uint32_t freq = 0; |
mbed_official | 87:085cde657901 | 321 | |
mbed_official | 87:085cde657901 | 322 | /* Check the SAI handle allocation */ |
mbed_official | 613:bc40b8d2aec4 | 323 | if(hsai == NULL) |
mbed_official | 87:085cde657901 | 324 | { |
mbed_official | 87:085cde657901 | 325 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 326 | } |
mbed_official | 87:085cde657901 | 327 | |
mbed_official | 87:085cde657901 | 328 | /* Check the SAI Block parameters */ |
mbed_official | 532:fe11edbda85c | 329 | assert_param(IS_SAI_AUDIO_FREQUENCY(hsai->Init.AudioFrequency)); |
mbed_official | 87:085cde657901 | 330 | assert_param(IS_SAI_BLOCK_PROTOCOL(hsai->Init.Protocol)); |
mbed_official | 87:085cde657901 | 331 | assert_param(IS_SAI_BLOCK_MODE(hsai->Init.AudioMode)); |
mbed_official | 532:fe11edbda85c | 332 | assert_param(IS_SAI_BLOCK_SYNCEXT(hsai->Init.SynchroExt)); |
mbed_official | 87:085cde657901 | 333 | assert_param(IS_SAI_BLOCK_DATASIZE(hsai->Init.DataSize)); |
mbed_official | 87:085cde657901 | 334 | assert_param(IS_SAI_BLOCK_FIRST_BIT(hsai->Init.FirstBit)); |
mbed_official | 87:085cde657901 | 335 | assert_param(IS_SAI_BLOCK_CLOCK_STROBING(hsai->Init.ClockStrobing)); |
mbed_official | 87:085cde657901 | 336 | assert_param(IS_SAI_BLOCK_SYNCHRO(hsai->Init.Synchro)); |
mbed_official | 87:085cde657901 | 337 | assert_param(IS_SAI_BLOCK_OUTPUT_DRIVE(hsai->Init.OutputDrive)); |
mbed_official | 87:085cde657901 | 338 | assert_param(IS_SAI_BLOCK_NODIVIDER(hsai->Init.NoDivider)); |
mbed_official | 87:085cde657901 | 339 | assert_param(IS_SAI_BLOCK_FIFO_THRESHOLD(hsai->Init.FIFOThreshold)); |
mbed_official | 532:fe11edbda85c | 340 | assert_param(IS_SAI_MONO_STEREO_MODE(hsai->Init.MonoStereoMode)); |
mbed_official | 532:fe11edbda85c | 341 | assert_param(IS_SAI_BLOCK_COMPANDING_MODE(hsai->Init.CompandingMode)); |
mbed_official | 532:fe11edbda85c | 342 | assert_param(IS_SAI_BLOCK_TRISTATE_MANAGEMENT(hsai->Init.TriState)); |
mbed_official | 87:085cde657901 | 343 | |
mbed_official | 87:085cde657901 | 344 | /* Check the SAI Block Frame parameters */ |
mbed_official | 87:085cde657901 | 345 | assert_param(IS_SAI_BLOCK_FRAME_LENGTH(hsai->FrameInit.FrameLength)); |
mbed_official | 87:085cde657901 | 346 | assert_param(IS_SAI_BLOCK_ACTIVE_FRAME(hsai->FrameInit.ActiveFrameLength)); |
mbed_official | 87:085cde657901 | 347 | assert_param(IS_SAI_BLOCK_FS_DEFINITION(hsai->FrameInit.FSDefinition)); |
mbed_official | 87:085cde657901 | 348 | assert_param(IS_SAI_BLOCK_FS_POLARITY(hsai->FrameInit.FSPolarity)); |
mbed_official | 87:085cde657901 | 349 | assert_param(IS_SAI_BLOCK_FS_OFFSET(hsai->FrameInit.FSOffset)); |
mbed_official | 87:085cde657901 | 350 | |
mbed_official | 87:085cde657901 | 351 | /* Check the SAI Block Slot parameters */ |
mbed_official | 87:085cde657901 | 352 | assert_param(IS_SAI_BLOCK_FIRSTBIT_OFFSET(hsai->SlotInit.FirstBitOffset)); |
mbed_official | 87:085cde657901 | 353 | assert_param(IS_SAI_BLOCK_SLOT_SIZE(hsai->SlotInit.SlotSize)); |
mbed_official | 87:085cde657901 | 354 | assert_param(IS_SAI_BLOCK_SLOT_NUMBER(hsai->SlotInit.SlotNumber)); |
mbed_official | 87:085cde657901 | 355 | assert_param(IS_SAI_SLOT_ACTIVE(hsai->SlotInit.SlotActive)); |
mbed_official | 87:085cde657901 | 356 | |
mbed_official | 87:085cde657901 | 357 | if(hsai->State == HAL_SAI_STATE_RESET) |
mbed_official | 87:085cde657901 | 358 | { |
mbed_official | 532:fe11edbda85c | 359 | /* Allocate lock resource and initialize it */ |
mbed_official | 532:fe11edbda85c | 360 | hsai->Lock = HAL_UNLOCKED; |
mbed_official | 532:fe11edbda85c | 361 | |
mbed_official | 87:085cde657901 | 362 | /* Init the low level hardware : GPIO, CLOCK, NVIC and DMA */ |
mbed_official | 87:085cde657901 | 363 | HAL_SAI_MspInit(hsai); |
mbed_official | 87:085cde657901 | 364 | } |
mbed_official | 87:085cde657901 | 365 | |
mbed_official | 87:085cde657901 | 366 | hsai->State = HAL_SAI_STATE_BUSY; |
mbed_official | 87:085cde657901 | 367 | |
mbed_official | 87:085cde657901 | 368 | /* Disable the selected SAI peripheral */ |
mbed_official | 532:fe11edbda85c | 369 | SAI_Disable(hsai); |
mbed_official | 87:085cde657901 | 370 | |
mbed_official | 532:fe11edbda85c | 371 | /* SAI Block Synchro Configuration -----------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 372 | SAI_BlockSynchroConfig(hsai); |
mbed_official | 87:085cde657901 | 373 | |
mbed_official | 87:085cde657901 | 374 | /* Configure Master Clock using the following formula : |
mbed_official | 87:085cde657901 | 375 | MCLK_x = SAI_CK_x / (MCKDIV[3:0] * 2) with MCLK_x = 256 * FS |
mbed_official | 87:085cde657901 | 376 | FS = SAI_CK_x / (MCKDIV[3:0] * 2) * 256 |
mbed_official | 87:085cde657901 | 377 | MCKDIV[3:0] = SAI_CK_x / FS * 512 */ |
mbed_official | 532:fe11edbda85c | 378 | if(hsai->Init.AudioFrequency != SAI_AUDIO_FREQUENCY_MCKDIV) |
mbed_official | 87:085cde657901 | 379 | { |
mbed_official | 532:fe11edbda85c | 380 | /* Get SAI clock source based on Source clock selection from RCC */ |
mbed_official | 532:fe11edbda85c | 381 | freq = SAI_GetInputClock(hsai); |
mbed_official | 532:fe11edbda85c | 382 | |
mbed_official | 87:085cde657901 | 383 | /* (saiclocksource x 10) to keep Significant digits */ |
mbed_official | 532:fe11edbda85c | 384 | tmpclock = (((freq * 10) / ((hsai->Init.AudioFrequency) * 512))); |
mbed_official | 87:085cde657901 | 385 | |
mbed_official | 532:fe11edbda85c | 386 | hsai->Init.Mckdiv = tmpclock / 10; |
mbed_official | 532:fe11edbda85c | 387 | |
mbed_official | 532:fe11edbda85c | 388 | /* Round result to the nearest integer */ |
mbed_official | 532:fe11edbda85c | 389 | if((tmpclock % 10) > 8) |
mbed_official | 87:085cde657901 | 390 | { |
mbed_official | 532:fe11edbda85c | 391 | hsai->Init.Mckdiv+= 1; |
mbed_official | 87:085cde657901 | 392 | } |
mbed_official | 106:ced8cbb51063 | 393 | } |
mbed_official | 87:085cde657901 | 394 | |
mbed_official | 532:fe11edbda85c | 395 | /* SAI Block Configuration ------------------------------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 396 | /* SAI CR1 Configuration */ |
mbed_official | 532:fe11edbda85c | 397 | hsai->Instance->CR1&=~(SAI_xCR1_MODE | SAI_xCR1_PRTCFG | SAI_xCR1_DS | \ |
mbed_official | 532:fe11edbda85c | 398 | SAI_xCR1_LSBFIRST | SAI_xCR1_CKSTR | SAI_xCR1_SYNCEN |\ |
mbed_official | 532:fe11edbda85c | 399 | SAI_xCR1_MONO | SAI_xCR1_OUTDRIV | SAI_xCR1_DMAEN | \ |
mbed_official | 532:fe11edbda85c | 400 | SAI_xCR1_NODIV | SAI_xCR1_MCKDIV); |
mbed_official | 532:fe11edbda85c | 401 | |
mbed_official | 532:fe11edbda85c | 402 | hsai->Instance->CR1|= (hsai->Init.AudioMode | hsai->Init.Protocol | \ |
mbed_official | 532:fe11edbda85c | 403 | hsai->Init.DataSize | hsai->Init.FirstBit | \ |
mbed_official | 532:fe11edbda85c | 404 | hsai->Init.ClockStrobing | hsai->Init.Synchro | \ |
mbed_official | 532:fe11edbda85c | 405 | hsai->Init.MonoStereoMode | hsai->Init.OutputDrive | \ |
mbed_official | 532:fe11edbda85c | 406 | hsai->Init.NoDivider | (hsai->Init.Mckdiv << 20) | hsai->Init.CompandingMode); |
mbed_official | 532:fe11edbda85c | 407 | |
mbed_official | 532:fe11edbda85c | 408 | /* SAI CR2 Configuration */ |
mbed_official | 532:fe11edbda85c | 409 | hsai->Instance->CR2&= ~(SAI_xCR2_FTH | SAI_xCR2_FFLUSH | SAI_xCR2_COMP); |
mbed_official | 532:fe11edbda85c | 410 | hsai->Instance->CR2|= (hsai->Init.FIFOThreshold | hsai->Init.CompandingMode | hsai->Init.TriState); |
mbed_official | 532:fe11edbda85c | 411 | |
mbed_official | 532:fe11edbda85c | 412 | |
mbed_official | 532:fe11edbda85c | 413 | /* SAI Frame Configuration -----------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 414 | hsai->Instance->FRCR&=(~(SAI_xFRCR_FRL | SAI_xFRCR_FSALL | SAI_xFRCR_FSDEF | \ |
mbed_official | 532:fe11edbda85c | 415 | SAI_xFRCR_FSPO | SAI_xFRCR_FSOFF)); |
mbed_official | 532:fe11edbda85c | 416 | hsai->Instance->FRCR|=((hsai->FrameInit.FrameLength - 1) | |
mbed_official | 532:fe11edbda85c | 417 | hsai->FrameInit.FSOffset | |
mbed_official | 532:fe11edbda85c | 418 | hsai->FrameInit.FSDefinition | |
mbed_official | 532:fe11edbda85c | 419 | hsai->FrameInit.FSPolarity | |
mbed_official | 532:fe11edbda85c | 420 | ((hsai->FrameInit.ActiveFrameLength - 1) << 8)); |
mbed_official | 532:fe11edbda85c | 421 | |
mbed_official | 532:fe11edbda85c | 422 | /* SAI Block_x SLOT Configuration ------------------------------------------*/ |
mbed_official | 532:fe11edbda85c | 423 | /* This register has no meaning in AC97 and SPDIF audio protocol */ |
mbed_official | 532:fe11edbda85c | 424 | hsai->Instance->SLOTR&= (~(SAI_xSLOTR_FBOFF | SAI_xSLOTR_SLOTSZ | \ |
mbed_official | 532:fe11edbda85c | 425 | SAI_xSLOTR_NBSLOT | SAI_xSLOTR_SLOTEN )); |
mbed_official | 532:fe11edbda85c | 426 | |
mbed_official | 532:fe11edbda85c | 427 | hsai->Instance->SLOTR|= hsai->SlotInit.FirstBitOffset | hsai->SlotInit.SlotSize |
mbed_official | 532:fe11edbda85c | 428 | | hsai->SlotInit.SlotActive | ((hsai->SlotInit.SlotNumber - 1) << 8); |
mbed_official | 532:fe11edbda85c | 429 | |
mbed_official | 87:085cde657901 | 430 | /* Initialise the error code */ |
mbed_official | 87:085cde657901 | 431 | hsai->ErrorCode = HAL_SAI_ERROR_NONE; |
mbed_official | 532:fe11edbda85c | 432 | |
mbed_official | 87:085cde657901 | 433 | /* Initialize the SAI state */ |
mbed_official | 87:085cde657901 | 434 | hsai->State= HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 435 | |
mbed_official | 532:fe11edbda85c | 436 | /* Release Lock */ |
mbed_official | 532:fe11edbda85c | 437 | __HAL_UNLOCK(hsai); |
mbed_official | 532:fe11edbda85c | 438 | |
mbed_official | 87:085cde657901 | 439 | return HAL_OK; |
mbed_official | 87:085cde657901 | 440 | } |
mbed_official | 87:085cde657901 | 441 | |
mbed_official | 87:085cde657901 | 442 | /** |
mbed_official | 87:085cde657901 | 443 | * @brief DeInitializes the SAI peripheral. |
mbed_official | 226:b062af740e40 | 444 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 445 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 446 | * @retval HAL status |
mbed_official | 87:085cde657901 | 447 | */ |
mbed_official | 87:085cde657901 | 448 | HAL_StatusTypeDef HAL_SAI_DeInit(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 449 | { |
mbed_official | 87:085cde657901 | 450 | /* Check the SAI handle allocation */ |
mbed_official | 613:bc40b8d2aec4 | 451 | if(hsai == NULL) |
mbed_official | 87:085cde657901 | 452 | { |
mbed_official | 87:085cde657901 | 453 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 454 | } |
mbed_official | 106:ced8cbb51063 | 455 | |
mbed_official | 87:085cde657901 | 456 | hsai->State = HAL_SAI_STATE_BUSY; |
mbed_official | 106:ced8cbb51063 | 457 | |
mbed_official | 532:fe11edbda85c | 458 | /* Disabled All interrupt and clear all the flag */ |
mbed_official | 532:fe11edbda85c | 459 | hsai->Instance->IMR = 0; |
mbed_official | 532:fe11edbda85c | 460 | hsai->Instance->CLRFR = 0xFFFFFFFF; |
mbed_official | 532:fe11edbda85c | 461 | |
mbed_official | 532:fe11edbda85c | 462 | /* Disable the SAI */ |
mbed_official | 532:fe11edbda85c | 463 | SAI_Disable(hsai); |
mbed_official | 532:fe11edbda85c | 464 | |
mbed_official | 532:fe11edbda85c | 465 | /* Flush the fifo */ |
mbed_official | 532:fe11edbda85c | 466 | SET_BIT(hsai->Instance->CR2, SAI_xCR2_FFLUSH); |
mbed_official | 532:fe11edbda85c | 467 | |
mbed_official | 87:085cde657901 | 468 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC and DMA */ |
mbed_official | 87:085cde657901 | 469 | HAL_SAI_MspDeInit(hsai); |
mbed_official | 87:085cde657901 | 470 | |
mbed_official | 87:085cde657901 | 471 | /* Initialize the error code */ |
mbed_official | 87:085cde657901 | 472 | hsai->ErrorCode = HAL_SAI_ERROR_NONE; |
mbed_official | 87:085cde657901 | 473 | |
mbed_official | 87:085cde657901 | 474 | /* Initialize the SAI state */ |
mbed_official | 87:085cde657901 | 475 | hsai->State = HAL_SAI_STATE_RESET; |
mbed_official | 106:ced8cbb51063 | 476 | |
mbed_official | 106:ced8cbb51063 | 477 | /* Release Lock */ |
mbed_official | 106:ced8cbb51063 | 478 | __HAL_UNLOCK(hsai); |
mbed_official | 106:ced8cbb51063 | 479 | |
mbed_official | 87:085cde657901 | 480 | return HAL_OK; |
mbed_official | 87:085cde657901 | 481 | } |
mbed_official | 87:085cde657901 | 482 | |
mbed_official | 87:085cde657901 | 483 | /** |
mbed_official | 87:085cde657901 | 484 | * @brief SAI MSP Init. |
mbed_official | 226:b062af740e40 | 485 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 486 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 487 | * @retval None |
mbed_official | 87:085cde657901 | 488 | */ |
mbed_official | 87:085cde657901 | 489 | __weak void HAL_SAI_MspInit(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 490 | { |
mbed_official | 87:085cde657901 | 491 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 87:085cde657901 | 492 | the HAL_SAI_MspInit could be implemented in the user file |
mbed_official | 87:085cde657901 | 493 | */ |
mbed_official | 87:085cde657901 | 494 | } |
mbed_official | 87:085cde657901 | 495 | |
mbed_official | 87:085cde657901 | 496 | /** |
mbed_official | 87:085cde657901 | 497 | * @brief SAI MSP DeInit. |
mbed_official | 226:b062af740e40 | 498 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 499 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 500 | * @retval None |
mbed_official | 87:085cde657901 | 501 | */ |
mbed_official | 87:085cde657901 | 502 | __weak void HAL_SAI_MspDeInit(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 503 | { |
mbed_official | 87:085cde657901 | 504 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 87:085cde657901 | 505 | the HAL_SAI_MspDeInit could be implemented in the user file |
mbed_official | 87:085cde657901 | 506 | */ |
mbed_official | 87:085cde657901 | 507 | } |
mbed_official | 87:085cde657901 | 508 | |
mbed_official | 87:085cde657901 | 509 | /** |
mbed_official | 87:085cde657901 | 510 | * @} |
mbed_official | 87:085cde657901 | 511 | */ |
mbed_official | 87:085cde657901 | 512 | |
mbed_official | 532:fe11edbda85c | 513 | /** @defgroup SAI_Exported_Functions_Group2 IO operation functions |
mbed_official | 87:085cde657901 | 514 | * @brief Data transfers functions |
mbed_official | 87:085cde657901 | 515 | * |
mbed_official | 87:085cde657901 | 516 | @verbatim |
mbed_official | 87:085cde657901 | 517 | =============================================================================== |
mbed_official | 87:085cde657901 | 518 | ##### IO operation functions ##### |
mbed_official | 87:085cde657901 | 519 | =============================================================================== |
mbed_official | 87:085cde657901 | 520 | [..] |
mbed_official | 87:085cde657901 | 521 | This subsection provides a set of functions allowing to manage the SAI data |
mbed_official | 87:085cde657901 | 522 | transfers. |
mbed_official | 87:085cde657901 | 523 | |
mbed_official | 226:b062af740e40 | 524 | (+) There are two modes of transfer: |
mbed_official | 87:085cde657901 | 525 | (++) Blocking mode : The communication is performed in the polling mode. |
mbed_official | 87:085cde657901 | 526 | The status of all data processing is returned by the same function |
mbed_official | 87:085cde657901 | 527 | after finishing transfer. |
mbed_official | 87:085cde657901 | 528 | (++) No-Blocking mode : The communication is performed using Interrupts |
mbed_official | 87:085cde657901 | 529 | or DMA. These functions return the status of the transfer startup. |
mbed_official | 87:085cde657901 | 530 | The end of the data processing will be indicated through the |
mbed_official | 87:085cde657901 | 531 | dedicated SAI IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 87:085cde657901 | 532 | using DMA mode. |
mbed_official | 87:085cde657901 | 533 | |
mbed_official | 87:085cde657901 | 534 | (+) Blocking mode functions are : |
mbed_official | 87:085cde657901 | 535 | (++) HAL_SAI_Transmit() |
mbed_official | 87:085cde657901 | 536 | (++) HAL_SAI_Receive() |
mbed_official | 87:085cde657901 | 537 | (++) HAL_SAI_TransmitReceive() |
mbed_official | 87:085cde657901 | 538 | |
mbed_official | 226:b062af740e40 | 539 | (+) Non Blocking mode functions with Interrupt are : |
mbed_official | 87:085cde657901 | 540 | (++) HAL_SAI_Transmit_IT() |
mbed_official | 87:085cde657901 | 541 | (++) HAL_SAI_Receive_IT() |
mbed_official | 87:085cde657901 | 542 | (++) HAL_SAI_TransmitReceive_IT() |
mbed_official | 87:085cde657901 | 543 | |
mbed_official | 226:b062af740e40 | 544 | (+) Non Blocking mode functions with DMA are : |
mbed_official | 87:085cde657901 | 545 | (++) HAL_SAI_Transmit_DMA() |
mbed_official | 87:085cde657901 | 546 | (++) HAL_SAI_Receive_DMA() |
mbed_official | 87:085cde657901 | 547 | (++) HAL_SAI_TransmitReceive_DMA() |
mbed_official | 87:085cde657901 | 548 | |
mbed_official | 226:b062af740e40 | 549 | (+) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
mbed_official | 87:085cde657901 | 550 | (++) HAL_SAI_TxCpltCallback() |
mbed_official | 87:085cde657901 | 551 | (++) HAL_SAI_RxCpltCallback() |
mbed_official | 87:085cde657901 | 552 | (++) HAL_SAI_ErrorCallback() |
mbed_official | 87:085cde657901 | 553 | |
mbed_official | 87:085cde657901 | 554 | @endverbatim |
mbed_official | 87:085cde657901 | 555 | * @{ |
mbed_official | 87:085cde657901 | 556 | */ |
mbed_official | 87:085cde657901 | 557 | |
mbed_official | 87:085cde657901 | 558 | /** |
mbed_official | 87:085cde657901 | 559 | * @brief Transmits an amount of data in blocking mode. |
mbed_official | 226:b062af740e40 | 560 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 561 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 562 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 563 | * @param Size: Amount of data to be sent |
mbed_official | 87:085cde657901 | 564 | * @param Timeout: Timeout duration |
mbed_official | 87:085cde657901 | 565 | * @retval HAL status |
mbed_official | 87:085cde657901 | 566 | */ |
mbed_official | 532:fe11edbda85c | 567 | HAL_StatusTypeDef HAL_SAI_Transmit(SAI_HandleTypeDef *hsai, uint8_t* pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 87:085cde657901 | 568 | { |
mbed_official | 369:2e96f1b71984 | 569 | uint32_t tickstart = 0; |
mbed_official | 87:085cde657901 | 570 | |
mbed_official | 613:bc40b8d2aec4 | 571 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 87:085cde657901 | 572 | { |
mbed_official | 87:085cde657901 | 573 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 574 | } |
mbed_official | 87:085cde657901 | 575 | |
mbed_official | 87:085cde657901 | 576 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 577 | { |
mbed_official | 87:085cde657901 | 578 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 579 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 580 | |
mbed_official | 87:085cde657901 | 581 | hsai->State = HAL_SAI_STATE_BUSY_TX; |
mbed_official | 532:fe11edbda85c | 582 | hsai->ErrorCode = HAL_SAI_ERROR_NONE; |
mbed_official | 532:fe11edbda85c | 583 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 584 | hsai->XferCount = Size; |
mbed_official | 532:fe11edbda85c | 585 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 586 | |
mbed_official | 87:085cde657901 | 587 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 588 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 589 | { |
mbed_official | 532:fe11edbda85c | 590 | /* fill the fifo with data before to enabled the SAI */ |
mbed_official | 532:fe11edbda85c | 591 | SAI_FillFifo(hsai); |
mbed_official | 87:085cde657901 | 592 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 593 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 594 | } |
mbed_official | 87:085cde657901 | 595 | |
mbed_official | 532:fe11edbda85c | 596 | while(hsai->XferCount > 0) |
mbed_official | 87:085cde657901 | 597 | { |
mbed_official | 532:fe11edbda85c | 598 | /* Write data if the FIFO is not full */ |
mbed_official | 532:fe11edbda85c | 599 | if((hsai->Instance->SR & SAI_xSR_FLVL) != SAI_FIFOSTATUS_FULL) |
mbed_official | 87:085cde657901 | 600 | { |
mbed_official | 532:fe11edbda85c | 601 | if((hsai->Init.DataSize == SAI_DATASIZE_8) && (hsai->Init.CompandingMode == SAI_NOCOMPANDING)) |
mbed_official | 532:fe11edbda85c | 602 | { |
mbed_official | 532:fe11edbda85c | 603 | hsai->Instance->DR = (*hsai->pBuffPtr++); |
mbed_official | 532:fe11edbda85c | 604 | } |
mbed_official | 532:fe11edbda85c | 605 | else if(hsai->Init.DataSize <= SAI_DATASIZE_16) |
mbed_official | 532:fe11edbda85c | 606 | { |
mbed_official | 532:fe11edbda85c | 607 | hsai->Instance->DR = *((uint16_t *)hsai->pBuffPtr); |
mbed_official | 532:fe11edbda85c | 608 | hsai->pBuffPtr+= 2; |
mbed_official | 532:fe11edbda85c | 609 | } |
mbed_official | 532:fe11edbda85c | 610 | else |
mbed_official | 532:fe11edbda85c | 611 | { |
mbed_official | 532:fe11edbda85c | 612 | hsai->Instance->DR = *((uint32_t *)hsai->pBuffPtr); |
mbed_official | 532:fe11edbda85c | 613 | hsai->pBuffPtr+= 4; |
mbed_official | 532:fe11edbda85c | 614 | } |
mbed_official | 532:fe11edbda85c | 615 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 616 | } |
mbed_official | 532:fe11edbda85c | 617 | else |
mbed_official | 532:fe11edbda85c | 618 | { |
mbed_official | 532:fe11edbda85c | 619 | /* Get tick */ |
mbed_official | 532:fe11edbda85c | 620 | tickstart = HAL_GetTick(); |
mbed_official | 87:085cde657901 | 621 | /* Check for the Timeout */ |
mbed_official | 87:085cde657901 | 622 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 87:085cde657901 | 623 | { |
mbed_official | 369:2e96f1b71984 | 624 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 369:2e96f1b71984 | 625 | { |
mbed_official | 87:085cde657901 | 626 | /* Update error code */ |
mbed_official | 87:085cde657901 | 627 | hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT; |
mbed_official | 87:085cde657901 | 628 | |
mbed_official | 87:085cde657901 | 629 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 630 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 631 | |
mbed_official | 87:085cde657901 | 632 | /* Change the SAI state */ |
mbed_official | 87:085cde657901 | 633 | hsai->State = HAL_SAI_STATE_TIMEOUT; |
mbed_official | 87:085cde657901 | 634 | |
mbed_official | 87:085cde657901 | 635 | return HAL_TIMEOUT; |
mbed_official | 87:085cde657901 | 636 | } |
mbed_official | 87:085cde657901 | 637 | } |
mbed_official | 532:fe11edbda85c | 638 | } |
mbed_official | 87:085cde657901 | 639 | } |
mbed_official | 532:fe11edbda85c | 640 | |
mbed_official | 87:085cde657901 | 641 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 87:085cde657901 | 642 | |
mbed_official | 87:085cde657901 | 643 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 644 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 645 | |
mbed_official | 87:085cde657901 | 646 | return HAL_OK; |
mbed_official | 87:085cde657901 | 647 | } |
mbed_official | 87:085cde657901 | 648 | else |
mbed_official | 87:085cde657901 | 649 | { |
mbed_official | 87:085cde657901 | 650 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 651 | } |
mbed_official | 87:085cde657901 | 652 | } |
mbed_official | 87:085cde657901 | 653 | |
mbed_official | 87:085cde657901 | 654 | /** |
mbed_official | 87:085cde657901 | 655 | * @brief Receives an amount of data in blocking mode. |
mbed_official | 226:b062af740e40 | 656 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 657 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 658 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 659 | * @param Size: Amount of data to be received |
mbed_official | 87:085cde657901 | 660 | * @param Timeout: Timeout duration |
mbed_official | 87:085cde657901 | 661 | * @retval HAL status |
mbed_official | 87:085cde657901 | 662 | */ |
mbed_official | 532:fe11edbda85c | 663 | HAL_StatusTypeDef HAL_SAI_Receive(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 87:085cde657901 | 664 | { |
mbed_official | 369:2e96f1b71984 | 665 | uint32_t tickstart = 0; |
mbed_official | 532:fe11edbda85c | 666 | |
mbed_official | 613:bc40b8d2aec4 | 667 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 87:085cde657901 | 668 | { |
mbed_official | 87:085cde657901 | 669 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 670 | } |
mbed_official | 87:085cde657901 | 671 | |
mbed_official | 87:085cde657901 | 672 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 673 | { |
mbed_official | 87:085cde657901 | 674 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 675 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 676 | |
mbed_official | 87:085cde657901 | 677 | hsai->State = HAL_SAI_STATE_BUSY_RX; |
mbed_official | 532:fe11edbda85c | 678 | hsai->ErrorCode = HAL_SAI_ERROR_NONE; |
mbed_official | 532:fe11edbda85c | 679 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 680 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 681 | hsai->XferCount = Size; |
mbed_official | 532:fe11edbda85c | 682 | |
mbed_official | 87:085cde657901 | 683 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 684 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 685 | { |
mbed_official | 87:085cde657901 | 686 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 687 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 688 | } |
mbed_official | 532:fe11edbda85c | 689 | |
mbed_official | 87:085cde657901 | 690 | /* Receive data */ |
mbed_official | 532:fe11edbda85c | 691 | while(hsai->XferCount > 0) |
mbed_official | 87:085cde657901 | 692 | { |
mbed_official | 532:fe11edbda85c | 693 | |
mbed_official | 532:fe11edbda85c | 694 | if((hsai->Instance->SR & SAI_xSR_FLVL) != SAI_FIFOSTATUS_EMPTY) |
mbed_official | 87:085cde657901 | 695 | { |
mbed_official | 532:fe11edbda85c | 696 | if((hsai->Init.DataSize == SAI_DATASIZE_8) && (hsai->Init.CompandingMode == SAI_NOCOMPANDING)) |
mbed_official | 532:fe11edbda85c | 697 | { |
mbed_official | 532:fe11edbda85c | 698 | (*hsai->pBuffPtr++) = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 699 | } |
mbed_official | 532:fe11edbda85c | 700 | else if(hsai->Init.DataSize <= SAI_DATASIZE_16) |
mbed_official | 532:fe11edbda85c | 701 | { |
mbed_official | 532:fe11edbda85c | 702 | *((uint16_t*)hsai->pBuffPtr) = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 703 | hsai->pBuffPtr+= 2; |
mbed_official | 532:fe11edbda85c | 704 | } |
mbed_official | 532:fe11edbda85c | 705 | else |
mbed_official | 532:fe11edbda85c | 706 | { |
mbed_official | 532:fe11edbda85c | 707 | *((uint32_t*)hsai->pBuffPtr) = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 708 | hsai->pBuffPtr+= 4; |
mbed_official | 532:fe11edbda85c | 709 | } |
mbed_official | 532:fe11edbda85c | 710 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 711 | } |
mbed_official | 532:fe11edbda85c | 712 | else |
mbed_official | 532:fe11edbda85c | 713 | { |
mbed_official | 532:fe11edbda85c | 714 | /* Get tick */ |
mbed_official | 532:fe11edbda85c | 715 | tickstart = HAL_GetTick(); |
mbed_official | 87:085cde657901 | 716 | /* Check for the Timeout */ |
mbed_official | 87:085cde657901 | 717 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 87:085cde657901 | 718 | { |
mbed_official | 369:2e96f1b71984 | 719 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 369:2e96f1b71984 | 720 | { |
mbed_official | 87:085cde657901 | 721 | /* Update error code */ |
mbed_official | 87:085cde657901 | 722 | hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT; |
mbed_official | 87:085cde657901 | 723 | |
mbed_official | 87:085cde657901 | 724 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 725 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 726 | |
mbed_official | 87:085cde657901 | 727 | /* Change the SAI state */ |
mbed_official | 87:085cde657901 | 728 | hsai->State = HAL_SAI_STATE_TIMEOUT; |
mbed_official | 87:085cde657901 | 729 | |
mbed_official | 87:085cde657901 | 730 | return HAL_TIMEOUT; |
mbed_official | 87:085cde657901 | 731 | } |
mbed_official | 87:085cde657901 | 732 | } |
mbed_official | 87:085cde657901 | 733 | } |
mbed_official | 87:085cde657901 | 734 | } |
mbed_official | 532:fe11edbda85c | 735 | |
mbed_official | 87:085cde657901 | 736 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 87:085cde657901 | 737 | |
mbed_official | 87:085cde657901 | 738 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 739 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 740 | |
mbed_official | 87:085cde657901 | 741 | return HAL_OK; |
mbed_official | 87:085cde657901 | 742 | } |
mbed_official | 87:085cde657901 | 743 | else |
mbed_official | 87:085cde657901 | 744 | { |
mbed_official | 87:085cde657901 | 745 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 746 | } |
mbed_official | 87:085cde657901 | 747 | } |
mbed_official | 87:085cde657901 | 748 | |
mbed_official | 87:085cde657901 | 749 | /** |
mbed_official | 87:085cde657901 | 750 | * @brief Transmits an amount of data in no-blocking mode with Interrupt. |
mbed_official | 226:b062af740e40 | 751 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 752 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 753 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 754 | * @param Size: Amount of data to be sent |
mbed_official | 87:085cde657901 | 755 | * @retval HAL status |
mbed_official | 87:085cde657901 | 756 | */ |
mbed_official | 532:fe11edbda85c | 757 | HAL_StatusTypeDef HAL_SAI_Transmit_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size) |
mbed_official | 532:fe11edbda85c | 758 | { |
mbed_official | 532:fe11edbda85c | 759 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 760 | { |
mbed_official | 613:bc40b8d2aec4 | 761 | if((pData == NULL) || (Size == 0)) |
mbed_official | 87:085cde657901 | 762 | { |
mbed_official | 87:085cde657901 | 763 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 764 | } |
mbed_official | 87:085cde657901 | 765 | |
mbed_official | 532:fe11edbda85c | 766 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 767 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 768 | hsai->XferCount = Size; |
mbed_official | 87:085cde657901 | 769 | |
mbed_official | 87:085cde657901 | 770 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 771 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 772 | |
mbed_official | 87:085cde657901 | 773 | hsai->State = HAL_SAI_STATE_BUSY_TX; |
mbed_official | 87:085cde657901 | 774 | |
mbed_official | 532:fe11edbda85c | 775 | if((hsai->Init.DataSize == SAI_DATASIZE_8) && (hsai->Init.CompandingMode == SAI_NOCOMPANDING)) |
mbed_official | 532:fe11edbda85c | 776 | { |
mbed_official | 532:fe11edbda85c | 777 | hsai->InterruptServiceRoutine = SAI_Transmit_IT8Bit; |
mbed_official | 532:fe11edbda85c | 778 | } |
mbed_official | 532:fe11edbda85c | 779 | else if(hsai->Init.DataSize <= SAI_DATASIZE_16) |
mbed_official | 532:fe11edbda85c | 780 | { |
mbed_official | 532:fe11edbda85c | 781 | hsai->InterruptServiceRoutine = SAI_Transmit_IT16Bit; |
mbed_official | 532:fe11edbda85c | 782 | } |
mbed_official | 532:fe11edbda85c | 783 | else |
mbed_official | 532:fe11edbda85c | 784 | { |
mbed_official | 532:fe11edbda85c | 785 | hsai->InterruptServiceRoutine = SAI_Transmit_IT32Bit; |
mbed_official | 532:fe11edbda85c | 786 | } |
mbed_official | 87:085cde657901 | 787 | |
mbed_official | 87:085cde657901 | 788 | /* Enable FRQ and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 789 | __HAL_SAI_ENABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 790 | |
mbed_official | 87:085cde657901 | 791 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 792 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 793 | { |
mbed_official | 532:fe11edbda85c | 794 | /* Fill the fifo before starting the communication */ |
mbed_official | 532:fe11edbda85c | 795 | SAI_FillFifo(hsai); |
mbed_official | 532:fe11edbda85c | 796 | |
mbed_official | 87:085cde657901 | 797 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 798 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 799 | } |
mbed_official | 87:085cde657901 | 800 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 801 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 802 | |
mbed_official | 87:085cde657901 | 803 | return HAL_OK; |
mbed_official | 87:085cde657901 | 804 | } |
mbed_official | 87:085cde657901 | 805 | else |
mbed_official | 87:085cde657901 | 806 | { |
mbed_official | 87:085cde657901 | 807 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 808 | } |
mbed_official | 87:085cde657901 | 809 | } |
mbed_official | 87:085cde657901 | 810 | |
mbed_official | 87:085cde657901 | 811 | /** |
mbed_official | 87:085cde657901 | 812 | * @brief Receives an amount of data in no-blocking mode with Interrupt. |
mbed_official | 226:b062af740e40 | 813 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 814 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 815 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 816 | * @param Size: Amount of data to be received |
mbed_official | 87:085cde657901 | 817 | * @retval HAL status |
mbed_official | 87:085cde657901 | 818 | */ |
mbed_official | 532:fe11edbda85c | 819 | HAL_StatusTypeDef HAL_SAI_Receive_IT(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size) |
mbed_official | 87:085cde657901 | 820 | { |
mbed_official | 532:fe11edbda85c | 821 | |
mbed_official | 87:085cde657901 | 822 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 823 | { |
mbed_official | 613:bc40b8d2aec4 | 824 | if((pData == NULL) || (Size == 0)) |
mbed_official | 87:085cde657901 | 825 | { |
mbed_official | 87:085cde657901 | 826 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 827 | } |
mbed_official | 87:085cde657901 | 828 | |
mbed_official | 532:fe11edbda85c | 829 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 830 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 831 | hsai->XferCount = Size; |
mbed_official | 87:085cde657901 | 832 | |
mbed_official | 87:085cde657901 | 833 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 834 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 835 | |
mbed_official | 87:085cde657901 | 836 | hsai->State = HAL_SAI_STATE_BUSY_RX; |
mbed_official | 532:fe11edbda85c | 837 | |
mbed_official | 532:fe11edbda85c | 838 | if((hsai->Init.DataSize == SAI_DATASIZE_8) && (hsai->Init.CompandingMode == SAI_NOCOMPANDING)) |
mbed_official | 532:fe11edbda85c | 839 | { |
mbed_official | 532:fe11edbda85c | 840 | hsai->InterruptServiceRoutine = SAI_Receive_IT8Bit; |
mbed_official | 532:fe11edbda85c | 841 | } |
mbed_official | 532:fe11edbda85c | 842 | else if(hsai->Init.DataSize <= SAI_DATASIZE_16) |
mbed_official | 532:fe11edbda85c | 843 | { |
mbed_official | 532:fe11edbda85c | 844 | hsai->InterruptServiceRoutine = SAI_Receive_IT16Bit; |
mbed_official | 532:fe11edbda85c | 845 | } |
mbed_official | 532:fe11edbda85c | 846 | else |
mbed_official | 532:fe11edbda85c | 847 | { |
mbed_official | 532:fe11edbda85c | 848 | hsai->InterruptServiceRoutine = SAI_Receive_IT32Bit; |
mbed_official | 532:fe11edbda85c | 849 | } |
mbed_official | 87:085cde657901 | 850 | /* Enable TXE and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 851 | __HAL_SAI_ENABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 87:085cde657901 | 852 | |
mbed_official | 87:085cde657901 | 853 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 854 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 855 | { |
mbed_official | 87:085cde657901 | 856 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 857 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 858 | } |
mbed_official | 87:085cde657901 | 859 | |
mbed_official | 87:085cde657901 | 860 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 861 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 862 | |
mbed_official | 87:085cde657901 | 863 | return HAL_OK; |
mbed_official | 87:085cde657901 | 864 | } |
mbed_official | 87:085cde657901 | 865 | else |
mbed_official | 87:085cde657901 | 866 | { |
mbed_official | 87:085cde657901 | 867 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 868 | } |
mbed_official | 87:085cde657901 | 869 | } |
mbed_official | 87:085cde657901 | 870 | |
mbed_official | 87:085cde657901 | 871 | /** |
mbed_official | 87:085cde657901 | 872 | * @brief Pauses the audio stream playing from the Media. |
mbed_official | 226:b062af740e40 | 873 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 874 | * the configuration information for SAI module. |
mbed_official | 226:b062af740e40 | 875 | * @retval HAL status |
mbed_official | 87:085cde657901 | 876 | */ |
mbed_official | 87:085cde657901 | 877 | HAL_StatusTypeDef HAL_SAI_DMAPause(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 878 | { |
mbed_official | 87:085cde657901 | 879 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 880 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 881 | |
mbed_official | 87:085cde657901 | 882 | /* Pause the audio file playing by disabling the SAI DMA requests */ |
mbed_official | 87:085cde657901 | 883 | hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN; |
mbed_official | 87:085cde657901 | 884 | |
mbed_official | 87:085cde657901 | 885 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 886 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 887 | |
mbed_official | 87:085cde657901 | 888 | return HAL_OK; |
mbed_official | 87:085cde657901 | 889 | } |
mbed_official | 87:085cde657901 | 890 | |
mbed_official | 87:085cde657901 | 891 | /** |
mbed_official | 87:085cde657901 | 892 | * @brief Resumes the audio stream playing from the Media. |
mbed_official | 226:b062af740e40 | 893 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 894 | * the configuration information for SAI module. |
mbed_official | 226:b062af740e40 | 895 | * @retval HAL status |
mbed_official | 87:085cde657901 | 896 | */ |
mbed_official | 87:085cde657901 | 897 | HAL_StatusTypeDef HAL_SAI_DMAResume(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 898 | { |
mbed_official | 87:085cde657901 | 899 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 900 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 901 | |
mbed_official | 87:085cde657901 | 902 | /* Enable the SAI DMA requests */ |
mbed_official | 87:085cde657901 | 903 | hsai->Instance->CR1 |= SAI_xCR1_DMAEN; |
mbed_official | 87:085cde657901 | 904 | |
mbed_official | 87:085cde657901 | 905 | /* If the SAI peripheral is still not enabled, enable it */ |
mbed_official | 532:fe11edbda85c | 906 | if ((hsai->Instance->CR1 & SAI_xCR1_SAIEN) == RESET) |
mbed_official | 87:085cde657901 | 907 | { |
mbed_official | 87:085cde657901 | 908 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 909 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 910 | } |
mbed_official | 87:085cde657901 | 911 | |
mbed_official | 87:085cde657901 | 912 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 913 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 914 | |
mbed_official | 87:085cde657901 | 915 | return HAL_OK; |
mbed_official | 87:085cde657901 | 916 | } |
mbed_official | 87:085cde657901 | 917 | |
mbed_official | 87:085cde657901 | 918 | /** |
mbed_official | 226:b062af740e40 | 919 | * @brief Stops the audio stream playing from the Media. |
mbed_official | 532:fe11edbda85c | 920 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 921 | * the configuration information for SAI module. |
mbed_official | 226:b062af740e40 | 922 | * @retval HAL status |
mbed_official | 87:085cde657901 | 923 | */ |
mbed_official | 87:085cde657901 | 924 | HAL_StatusTypeDef HAL_SAI_DMAStop(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 925 | { |
mbed_official | 87:085cde657901 | 926 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 927 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 928 | |
mbed_official | 87:085cde657901 | 929 | /* Disable the SAI DMA request */ |
mbed_official | 87:085cde657901 | 930 | hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN; |
mbed_official | 87:085cde657901 | 931 | |
mbed_official | 106:ced8cbb51063 | 932 | /* Abort the SAI DMA Tx Stream */ |
mbed_official | 613:bc40b8d2aec4 | 933 | if(hsai->hdmatx != NULL) |
mbed_official | 106:ced8cbb51063 | 934 | { |
mbed_official | 106:ced8cbb51063 | 935 | HAL_DMA_Abort(hsai->hdmatx); |
mbed_official | 106:ced8cbb51063 | 936 | } |
mbed_official | 106:ced8cbb51063 | 937 | /* Abort the SAI DMA Rx Stream */ |
mbed_official | 613:bc40b8d2aec4 | 938 | if(hsai->hdmarx != NULL) |
mbed_official | 106:ced8cbb51063 | 939 | { |
mbed_official | 106:ced8cbb51063 | 940 | HAL_DMA_Abort(hsai->hdmarx); |
mbed_official | 106:ced8cbb51063 | 941 | } |
mbed_official | 106:ced8cbb51063 | 942 | |
mbed_official | 87:085cde657901 | 943 | /* Disable SAI peripheral */ |
mbed_official | 532:fe11edbda85c | 944 | SAI_Disable(hsai); |
mbed_official | 87:085cde657901 | 945 | |
mbed_official | 87:085cde657901 | 946 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 87:085cde657901 | 947 | |
mbed_official | 87:085cde657901 | 948 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 949 | __HAL_UNLOCK(hsai); |
mbed_official | 87:085cde657901 | 950 | |
mbed_official | 87:085cde657901 | 951 | return HAL_OK; |
mbed_official | 87:085cde657901 | 952 | } |
mbed_official | 532:fe11edbda85c | 953 | |
mbed_official | 532:fe11edbda85c | 954 | /** |
mbed_official | 532:fe11edbda85c | 955 | * @brief Abort the current transfer and disbaled the SAI. |
mbed_official | 532:fe11edbda85c | 956 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 957 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 958 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 959 | */ |
mbed_official | 532:fe11edbda85c | 960 | HAL_StatusTypeDef HAL_SAI_Abort(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 961 | { |
mbed_official | 532:fe11edbda85c | 962 | /* Disable the SAI DMA request */ |
mbed_official | 532:fe11edbda85c | 963 | hsai->Instance->CR1 &= ~SAI_xCR1_DMAEN; |
mbed_official | 532:fe11edbda85c | 964 | |
mbed_official | 532:fe11edbda85c | 965 | /* Abort the SAI DMA Tx Stream */ |
mbed_official | 613:bc40b8d2aec4 | 966 | if(hsai->hdmatx != NULL) |
mbed_official | 532:fe11edbda85c | 967 | { |
mbed_official | 532:fe11edbda85c | 968 | HAL_DMA_Abort(hsai->hdmatx); |
mbed_official | 532:fe11edbda85c | 969 | } |
mbed_official | 532:fe11edbda85c | 970 | /* Abort the SAI DMA Rx Stream */ |
mbed_official | 613:bc40b8d2aec4 | 971 | if(hsai->hdmarx != NULL) |
mbed_official | 532:fe11edbda85c | 972 | { |
mbed_official | 532:fe11edbda85c | 973 | HAL_DMA_Abort(hsai->hdmarx); |
mbed_official | 532:fe11edbda85c | 974 | } |
mbed_official | 532:fe11edbda85c | 975 | |
mbed_official | 532:fe11edbda85c | 976 | /* Disabled All interrupt and clear all the flag */ |
mbed_official | 532:fe11edbda85c | 977 | hsai->Instance->IMR = 0; |
mbed_official | 532:fe11edbda85c | 978 | hsai->Instance->CLRFR = 0xFFFFFFFF; |
mbed_official | 532:fe11edbda85c | 979 | |
mbed_official | 532:fe11edbda85c | 980 | /* Disable SAI peripheral */ |
mbed_official | 532:fe11edbda85c | 981 | SAI_Disable(hsai); |
mbed_official | 532:fe11edbda85c | 982 | |
mbed_official | 532:fe11edbda85c | 983 | /* Flush the fifo */ |
mbed_official | 532:fe11edbda85c | 984 | SET_BIT(hsai->Instance->CR2, SAI_xCR2_FFLUSH); |
mbed_official | 532:fe11edbda85c | 985 | |
mbed_official | 532:fe11edbda85c | 986 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 987 | |
mbed_official | 532:fe11edbda85c | 988 | /* Process Unlocked */ |
mbed_official | 532:fe11edbda85c | 989 | __HAL_UNLOCK(hsai); |
mbed_official | 532:fe11edbda85c | 990 | |
mbed_official | 532:fe11edbda85c | 991 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 992 | } |
mbed_official | 532:fe11edbda85c | 993 | |
mbed_official | 87:085cde657901 | 994 | /** |
mbed_official | 87:085cde657901 | 995 | * @brief Transmits an amount of data in no-blocking mode with DMA. |
mbed_official | 226:b062af740e40 | 996 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 997 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 998 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 999 | * @param Size: Amount of data to be sent |
mbed_official | 87:085cde657901 | 1000 | * @retval HAL status |
mbed_official | 87:085cde657901 | 1001 | */ |
mbed_official | 532:fe11edbda85c | 1002 | HAL_StatusTypeDef HAL_SAI_Transmit_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size) |
mbed_official | 87:085cde657901 | 1003 | { |
mbed_official | 87:085cde657901 | 1004 | uint32_t *tmp; |
mbed_official | 532:fe11edbda85c | 1005 | |
mbed_official | 613:bc40b8d2aec4 | 1006 | if((pData == NULL) || (Size == 0)) |
mbed_official | 87:085cde657901 | 1007 | { |
mbed_official | 87:085cde657901 | 1008 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 1009 | } |
mbed_official | 532:fe11edbda85c | 1010 | |
mbed_official | 87:085cde657901 | 1011 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 1012 | { |
mbed_official | 532:fe11edbda85c | 1013 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 1014 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 1015 | hsai->XferCount = Size; |
mbed_official | 532:fe11edbda85c | 1016 | |
mbed_official | 87:085cde657901 | 1017 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 1018 | __HAL_LOCK(hsai); |
mbed_official | 532:fe11edbda85c | 1019 | |
mbed_official | 87:085cde657901 | 1020 | hsai->State = HAL_SAI_STATE_BUSY_TX; |
mbed_official | 532:fe11edbda85c | 1021 | |
mbed_official | 532:fe11edbda85c | 1022 | /* Set the SAI Tx DMA Half transfer complete callback */ |
mbed_official | 87:085cde657901 | 1023 | hsai->hdmatx->XferHalfCpltCallback = SAI_DMATxHalfCplt; |
mbed_official | 532:fe11edbda85c | 1024 | |
mbed_official | 87:085cde657901 | 1025 | /* Set the SAI TxDMA transfer complete callback */ |
mbed_official | 87:085cde657901 | 1026 | hsai->hdmatx->XferCpltCallback = SAI_DMATxCplt; |
mbed_official | 532:fe11edbda85c | 1027 | |
mbed_official | 87:085cde657901 | 1028 | /* Set the DMA error callback */ |
mbed_official | 87:085cde657901 | 1029 | hsai->hdmatx->XferErrorCallback = SAI_DMAError; |
mbed_official | 532:fe11edbda85c | 1030 | |
mbed_official | 87:085cde657901 | 1031 | /* Enable the Tx DMA Stream */ |
mbed_official | 87:085cde657901 | 1032 | tmp = (uint32_t*)&pData; |
mbed_official | 532:fe11edbda85c | 1033 | HAL_DMA_Start_IT(hsai->hdmatx, *(uint32_t*)tmp, (uint32_t)&hsai->Instance->DR, hsai->XferSize); |
mbed_official | 532:fe11edbda85c | 1034 | |
mbed_official | 87:085cde657901 | 1035 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 1036 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 1037 | { |
mbed_official | 87:085cde657901 | 1038 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 1039 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 1040 | } |
mbed_official | 532:fe11edbda85c | 1041 | |
mbed_official | 532:fe11edbda85c | 1042 | /* Enable the interrupts for error handling */ |
mbed_official | 532:fe11edbda85c | 1043 | __HAL_SAI_ENABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_DMA)); |
mbed_official | 532:fe11edbda85c | 1044 | |
mbed_official | 87:085cde657901 | 1045 | /* Enable SAI Tx DMA Request */ |
mbed_official | 87:085cde657901 | 1046 | hsai->Instance->CR1 |= SAI_xCR1_DMAEN; |
mbed_official | 532:fe11edbda85c | 1047 | |
mbed_official | 87:085cde657901 | 1048 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 1049 | __HAL_UNLOCK(hsai); |
mbed_official | 532:fe11edbda85c | 1050 | |
mbed_official | 87:085cde657901 | 1051 | return HAL_OK; |
mbed_official | 87:085cde657901 | 1052 | } |
mbed_official | 87:085cde657901 | 1053 | else |
mbed_official | 87:085cde657901 | 1054 | { |
mbed_official | 87:085cde657901 | 1055 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 1056 | } |
mbed_official | 87:085cde657901 | 1057 | } |
mbed_official | 87:085cde657901 | 1058 | |
mbed_official | 87:085cde657901 | 1059 | /** |
mbed_official | 226:b062af740e40 | 1060 | * @brief Receives an amount of data in no-blocking mode with DMA. |
mbed_official | 226:b062af740e40 | 1061 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1062 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1063 | * @param pData: Pointer to data buffer |
mbed_official | 87:085cde657901 | 1064 | * @param Size: Amount of data to be received |
mbed_official | 87:085cde657901 | 1065 | * @retval HAL status |
mbed_official | 87:085cde657901 | 1066 | */ |
mbed_official | 532:fe11edbda85c | 1067 | HAL_StatusTypeDef HAL_SAI_Receive_DMA(SAI_HandleTypeDef *hsai, uint8_t *pData, uint16_t Size) |
mbed_official | 87:085cde657901 | 1068 | { |
mbed_official | 87:085cde657901 | 1069 | uint32_t *tmp; |
mbed_official | 87:085cde657901 | 1070 | |
mbed_official | 613:bc40b8d2aec4 | 1071 | if((pData == NULL) || (Size == 0)) |
mbed_official | 87:085cde657901 | 1072 | { |
mbed_official | 87:085cde657901 | 1073 | return HAL_ERROR; |
mbed_official | 87:085cde657901 | 1074 | } |
mbed_official | 532:fe11edbda85c | 1075 | |
mbed_official | 87:085cde657901 | 1076 | if(hsai->State == HAL_SAI_STATE_READY) |
mbed_official | 87:085cde657901 | 1077 | { |
mbed_official | 532:fe11edbda85c | 1078 | hsai->pBuffPtr = pData; |
mbed_official | 532:fe11edbda85c | 1079 | hsai->XferSize = Size; |
mbed_official | 532:fe11edbda85c | 1080 | hsai->XferCount = Size; |
mbed_official | 532:fe11edbda85c | 1081 | |
mbed_official | 87:085cde657901 | 1082 | /* Process Locked */ |
mbed_official | 87:085cde657901 | 1083 | __HAL_LOCK(hsai); |
mbed_official | 87:085cde657901 | 1084 | |
mbed_official | 87:085cde657901 | 1085 | hsai->State = HAL_SAI_STATE_BUSY_RX; |
mbed_official | 532:fe11edbda85c | 1086 | |
mbed_official | 532:fe11edbda85c | 1087 | /* Set the SAI Rx DMA Half transfer complete callback */ |
mbed_official | 87:085cde657901 | 1088 | hsai->hdmarx->XferHalfCpltCallback = SAI_DMARxHalfCplt; |
mbed_official | 532:fe11edbda85c | 1089 | |
mbed_official | 532:fe11edbda85c | 1090 | /* Set the SAI Rx DMA transfer complete callback */ |
mbed_official | 87:085cde657901 | 1091 | hsai->hdmarx->XferCpltCallback = SAI_DMARxCplt; |
mbed_official | 532:fe11edbda85c | 1092 | |
mbed_official | 87:085cde657901 | 1093 | /* Set the DMA error callback */ |
mbed_official | 87:085cde657901 | 1094 | hsai->hdmarx->XferErrorCallback = SAI_DMAError; |
mbed_official | 532:fe11edbda85c | 1095 | |
mbed_official | 87:085cde657901 | 1096 | /* Enable the Rx DMA Stream */ |
mbed_official | 87:085cde657901 | 1097 | tmp = (uint32_t*)&pData; |
mbed_official | 532:fe11edbda85c | 1098 | HAL_DMA_Start_IT(hsai->hdmarx, (uint32_t)&hsai->Instance->DR, *(uint32_t*)tmp, hsai->XferSize); |
mbed_official | 532:fe11edbda85c | 1099 | |
mbed_official | 87:085cde657901 | 1100 | /* Check if the SAI is already enabled */ |
mbed_official | 87:085cde657901 | 1101 | if((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != SAI_xCR1_SAIEN) |
mbed_official | 87:085cde657901 | 1102 | { |
mbed_official | 87:085cde657901 | 1103 | /* Enable SAI peripheral */ |
mbed_official | 87:085cde657901 | 1104 | __HAL_SAI_ENABLE(hsai); |
mbed_official | 87:085cde657901 | 1105 | } |
mbed_official | 532:fe11edbda85c | 1106 | |
mbed_official | 532:fe11edbda85c | 1107 | /* Enable the interrupts for error handling */ |
mbed_official | 532:fe11edbda85c | 1108 | __HAL_SAI_ENABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_DMA)); |
mbed_official | 532:fe11edbda85c | 1109 | |
mbed_official | 87:085cde657901 | 1110 | /* Enable SAI Rx DMA Request */ |
mbed_official | 87:085cde657901 | 1111 | hsai->Instance->CR1 |= SAI_xCR1_DMAEN; |
mbed_official | 532:fe11edbda85c | 1112 | |
mbed_official | 87:085cde657901 | 1113 | /* Process Unlocked */ |
mbed_official | 87:085cde657901 | 1114 | __HAL_UNLOCK(hsai); |
mbed_official | 532:fe11edbda85c | 1115 | |
mbed_official | 87:085cde657901 | 1116 | return HAL_OK; |
mbed_official | 87:085cde657901 | 1117 | } |
mbed_official | 87:085cde657901 | 1118 | else |
mbed_official | 87:085cde657901 | 1119 | { |
mbed_official | 87:085cde657901 | 1120 | return HAL_BUSY; |
mbed_official | 87:085cde657901 | 1121 | } |
mbed_official | 87:085cde657901 | 1122 | } |
mbed_official | 87:085cde657901 | 1123 | |
mbed_official | 87:085cde657901 | 1124 | /** |
mbed_official | 532:fe11edbda85c | 1125 | * @brief Enable the tx mute mode. |
mbed_official | 532:fe11edbda85c | 1126 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1127 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1128 | * @param val : value sent during the mute @ref SAI_Block_Mute_Value |
mbed_official | 532:fe11edbda85c | 1129 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1130 | */ |
mbed_official | 532:fe11edbda85c | 1131 | HAL_StatusTypeDef HAL_SAI_EnableTxMuteMode(SAI_HandleTypeDef *hsai, uint16_t val) |
mbed_official | 532:fe11edbda85c | 1132 | { |
mbed_official | 532:fe11edbda85c | 1133 | assert_param(IS_SAI_BLOCK_MUTE_VALUE(val)); |
mbed_official | 532:fe11edbda85c | 1134 | |
mbed_official | 532:fe11edbda85c | 1135 | if(hsai->State != HAL_SAI_STATE_RESET) |
mbed_official | 532:fe11edbda85c | 1136 | { |
mbed_official | 532:fe11edbda85c | 1137 | CLEAR_BIT(hsai->Instance->CR2, SAI_xCR2_MUTEVAL | SAI_xCR2_MUTE); |
mbed_official | 532:fe11edbda85c | 1138 | SET_BIT(hsai->Instance->CR2, SAI_xCR2_MUTE | val); |
mbed_official | 532:fe11edbda85c | 1139 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1140 | } |
mbed_official | 532:fe11edbda85c | 1141 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1142 | } |
mbed_official | 532:fe11edbda85c | 1143 | |
mbed_official | 532:fe11edbda85c | 1144 | /** |
mbed_official | 532:fe11edbda85c | 1145 | * @brief Disable the tx mute mode. |
mbed_official | 532:fe11edbda85c | 1146 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1147 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1148 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1149 | */ |
mbed_official | 532:fe11edbda85c | 1150 | HAL_StatusTypeDef HAL_SAI_DisableTxMuteMode(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1151 | { |
mbed_official | 532:fe11edbda85c | 1152 | if(hsai->State != HAL_SAI_STATE_RESET) |
mbed_official | 532:fe11edbda85c | 1153 | { |
mbed_official | 532:fe11edbda85c | 1154 | CLEAR_BIT(hsai->Instance->CR2, SAI_xCR2_MUTEVAL | SAI_xCR2_MUTE); |
mbed_official | 532:fe11edbda85c | 1155 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1156 | } |
mbed_official | 532:fe11edbda85c | 1157 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1158 | } |
mbed_official | 532:fe11edbda85c | 1159 | |
mbed_official | 532:fe11edbda85c | 1160 | /** |
mbed_official | 532:fe11edbda85c | 1161 | * @brief Enable the rx mute detection. |
mbed_official | 532:fe11edbda85c | 1162 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1163 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1164 | * @param callback : function called when the mute is detected |
mbed_official | 532:fe11edbda85c | 1165 | * @param counter : number a data before mute detection max 63. |
mbed_official | 532:fe11edbda85c | 1166 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1167 | */ |
mbed_official | 532:fe11edbda85c | 1168 | HAL_StatusTypeDef HAL_SAI_EnableRxMuteMode(SAI_HandleTypeDef *hsai, SAIcallback callback, uint16_t counter) |
mbed_official | 532:fe11edbda85c | 1169 | { |
mbed_official | 532:fe11edbda85c | 1170 | assert_param(IS_SAI_BLOCK_MUTE_COUNTER(counter)); |
mbed_official | 532:fe11edbda85c | 1171 | |
mbed_official | 532:fe11edbda85c | 1172 | if(hsai->State != HAL_SAI_STATE_RESET) |
mbed_official | 532:fe11edbda85c | 1173 | { |
mbed_official | 532:fe11edbda85c | 1174 | /* set the mute counter */ |
mbed_official | 532:fe11edbda85c | 1175 | CLEAR_BIT(hsai->Instance->CR2, SAI_xCR2_MUTECNT); |
mbed_official | 532:fe11edbda85c | 1176 | SET_BIT(hsai->Instance->CR2, (uint32_t)((uint32_t)counter << 6)); |
mbed_official | 532:fe11edbda85c | 1177 | hsai->mutecallback = callback; |
mbed_official | 532:fe11edbda85c | 1178 | /* enable the IT interrupt */ |
mbed_official | 532:fe11edbda85c | 1179 | __HAL_SAI_ENABLE_IT(hsai, SAI_IT_MUTEDET); |
mbed_official | 532:fe11edbda85c | 1180 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1181 | } |
mbed_official | 532:fe11edbda85c | 1182 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1183 | } |
mbed_official | 532:fe11edbda85c | 1184 | |
mbed_official | 532:fe11edbda85c | 1185 | /** |
mbed_official | 532:fe11edbda85c | 1186 | * @brief Disable the rx mute detection. |
mbed_official | 532:fe11edbda85c | 1187 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1188 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1189 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1190 | */ |
mbed_official | 532:fe11edbda85c | 1191 | HAL_StatusTypeDef HAL_SAI_DisableRxMuteMode(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1192 | { |
mbed_official | 532:fe11edbda85c | 1193 | if(hsai->State != HAL_SAI_STATE_RESET) |
mbed_official | 532:fe11edbda85c | 1194 | { |
mbed_official | 532:fe11edbda85c | 1195 | /* set the mutecallback to NULL */ |
mbed_official | 532:fe11edbda85c | 1196 | hsai->mutecallback = (SAIcallback)NULL; |
mbed_official | 532:fe11edbda85c | 1197 | /* enable the IT interrupt */ |
mbed_official | 532:fe11edbda85c | 1198 | __HAL_SAI_DISABLE_IT(hsai, SAI_IT_MUTEDET); |
mbed_official | 532:fe11edbda85c | 1199 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1200 | } |
mbed_official | 532:fe11edbda85c | 1201 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1202 | } |
mbed_official | 532:fe11edbda85c | 1203 | |
mbed_official | 532:fe11edbda85c | 1204 | /** |
mbed_official | 87:085cde657901 | 1205 | * @brief This function handles SAI interrupt request. |
mbed_official | 226:b062af740e40 | 1206 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1207 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1208 | * @retval HAL status |
mbed_official | 87:085cde657901 | 1209 | */ |
mbed_official | 87:085cde657901 | 1210 | void HAL_SAI_IRQHandler(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1211 | { |
mbed_official | 532:fe11edbda85c | 1212 | if(hsai->State != HAL_SAI_STATE_RESET) |
mbed_official | 87:085cde657901 | 1213 | { |
mbed_official | 532:fe11edbda85c | 1214 | uint32_t tmpFlag = hsai->Instance->SR; |
mbed_official | 532:fe11edbda85c | 1215 | uint32_t tmpItSource = hsai->Instance->IMR; |
mbed_official | 532:fe11edbda85c | 1216 | |
mbed_official | 532:fe11edbda85c | 1217 | if(((tmpFlag & SAI_xSR_FREQ) == SAI_xSR_FREQ) && ((tmpItSource & SAI_IT_FREQ) == SAI_IT_FREQ)) |
mbed_official | 532:fe11edbda85c | 1218 | { |
mbed_official | 532:fe11edbda85c | 1219 | hsai->InterruptServiceRoutine(hsai); |
mbed_official | 532:fe11edbda85c | 1220 | } |
mbed_official | 532:fe11edbda85c | 1221 | |
mbed_official | 532:fe11edbda85c | 1222 | /* check the flag only if one of them is set */ |
mbed_official | 532:fe11edbda85c | 1223 | if(tmpFlag != 0x00000000) |
mbed_official | 87:085cde657901 | 1224 | { |
mbed_official | 532:fe11edbda85c | 1225 | /* SAI Overrun error interrupt occurred ----------------------------------*/ |
mbed_official | 532:fe11edbda85c | 1226 | if(((tmpFlag & SAI_FLAG_OVRUDR) == SAI_FLAG_OVRUDR) && ((tmpItSource & SAI_IT_OVRUDR) == SAI_IT_OVRUDR)) |
mbed_official | 532:fe11edbda85c | 1227 | { |
mbed_official | 532:fe11edbda85c | 1228 | /* Clear the SAI Overrun flag */ |
mbed_official | 532:fe11edbda85c | 1229 | __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR); |
mbed_official | 532:fe11edbda85c | 1230 | /* Change the SAI error code */ |
mbed_official | 532:fe11edbda85c | 1231 | hsai->ErrorCode = ((hsai->State == HAL_SAI_STATE_BUSY_RX) ? HAL_SAI_ERROR_OVR : HAL_SAI_ERROR_UDR); |
mbed_official | 532:fe11edbda85c | 1232 | /* the transfer is not stopped, we will forward the information to the user and we let the user decide what needs to be done */ |
mbed_official | 532:fe11edbda85c | 1233 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1234 | } |
mbed_official | 532:fe11edbda85c | 1235 | |
mbed_official | 532:fe11edbda85c | 1236 | /* SAI mutedet interrupt occurred ----------------------------------*/ |
mbed_official | 532:fe11edbda85c | 1237 | if(((tmpFlag & SAI_FLAG_MUTEDET) == SAI_FLAG_MUTEDET) && ((tmpItSource & SAI_IT_MUTEDET) == SAI_IT_MUTEDET)) |
mbed_official | 532:fe11edbda85c | 1238 | { |
mbed_official | 532:fe11edbda85c | 1239 | /* Clear the SAI mutedet flag */ |
mbed_official | 532:fe11edbda85c | 1240 | __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_MUTEDET); |
mbed_official | 532:fe11edbda85c | 1241 | /* call the call back function */ |
mbed_official | 532:fe11edbda85c | 1242 | if(hsai->mutecallback != (SAIcallback)NULL) |
mbed_official | 532:fe11edbda85c | 1243 | { |
mbed_official | 532:fe11edbda85c | 1244 | /* inform the user that an RX mute event has been detected */ |
mbed_official | 532:fe11edbda85c | 1245 | hsai->mutecallback(); |
mbed_official | 532:fe11edbda85c | 1246 | } |
mbed_official | 532:fe11edbda85c | 1247 | } |
mbed_official | 532:fe11edbda85c | 1248 | |
mbed_official | 532:fe11edbda85c | 1249 | /* SAI AFSDET interrupt occurred ----------------------------------*/ |
mbed_official | 532:fe11edbda85c | 1250 | if(((tmpFlag & SAI_FLAG_AFSDET) == SAI_FLAG_AFSDET) && ((tmpItSource & SAI_IT_AFSDET) == SAI_IT_AFSDET)) |
mbed_official | 532:fe11edbda85c | 1251 | { |
mbed_official | 532:fe11edbda85c | 1252 | /* Change the SAI error code */ |
mbed_official | 532:fe11edbda85c | 1253 | hsai->ErrorCode = HAL_SAI_ERROR_AFSDET; |
mbed_official | 532:fe11edbda85c | 1254 | HAL_SAI_Abort(hsai); |
mbed_official | 532:fe11edbda85c | 1255 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1256 | } |
mbed_official | 532:fe11edbda85c | 1257 | |
mbed_official | 532:fe11edbda85c | 1258 | /* SAI LFSDET interrupt occurred ----------------------------------*/ |
mbed_official | 532:fe11edbda85c | 1259 | if(((tmpFlag & SAI_FLAG_LFSDET) == SAI_FLAG_LFSDET) && ((tmpItSource & SAI_IT_LFSDET) == SAI_IT_LFSDET)) |
mbed_official | 532:fe11edbda85c | 1260 | { |
mbed_official | 532:fe11edbda85c | 1261 | /* Change the SAI error code */ |
mbed_official | 532:fe11edbda85c | 1262 | hsai->ErrorCode = HAL_SAI_ERROR_LFSDET; |
mbed_official | 532:fe11edbda85c | 1263 | HAL_SAI_Abort(hsai); |
mbed_official | 532:fe11edbda85c | 1264 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1265 | } |
mbed_official | 87:085cde657901 | 1266 | |
mbed_official | 532:fe11edbda85c | 1267 | /* SAI WCKCFG interrupt occurred ----------------------------------*/ |
mbed_official | 532:fe11edbda85c | 1268 | if(((tmpFlag & SAI_FLAG_WCKCFG) == SAI_FLAG_WCKCFG) && ((tmpItSource & SAI_IT_WCKCFG) == SAI_IT_WCKCFG)) |
mbed_official | 532:fe11edbda85c | 1269 | { |
mbed_official | 532:fe11edbda85c | 1270 | /* Change the SAI error code */ |
mbed_official | 532:fe11edbda85c | 1271 | hsai->ErrorCode = HAL_SAI_ERROR_WCKCFG; |
mbed_official | 532:fe11edbda85c | 1272 | HAL_SAI_Abort(hsai); |
mbed_official | 532:fe11edbda85c | 1273 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1274 | } |
mbed_official | 87:085cde657901 | 1275 | } |
mbed_official | 87:085cde657901 | 1276 | } |
mbed_official | 87:085cde657901 | 1277 | } |
mbed_official | 87:085cde657901 | 1278 | |
mbed_official | 87:085cde657901 | 1279 | /** |
mbed_official | 87:085cde657901 | 1280 | * @brief Tx Transfer completed callbacks. |
mbed_official | 226:b062af740e40 | 1281 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1282 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1283 | * @retval None |
mbed_official | 87:085cde657901 | 1284 | */ |
mbed_official | 87:085cde657901 | 1285 | __weak void HAL_SAI_TxCpltCallback(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1286 | { |
mbed_official | 87:085cde657901 | 1287 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 87:085cde657901 | 1288 | the HAL_SAI_TxCpltCallback could be implemented in the user file |
mbed_official | 87:085cde657901 | 1289 | */ |
mbed_official | 87:085cde657901 | 1290 | } |
mbed_official | 87:085cde657901 | 1291 | |
mbed_official | 87:085cde657901 | 1292 | /** |
mbed_official | 87:085cde657901 | 1293 | * @brief Tx Transfer Half completed callbacks |
mbed_official | 226:b062af740e40 | 1294 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1295 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1296 | * @retval None |
mbed_official | 87:085cde657901 | 1297 | */ |
mbed_official | 87:085cde657901 | 1298 | __weak void HAL_SAI_TxHalfCpltCallback(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1299 | { |
mbed_official | 87:085cde657901 | 1300 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 532:fe11edbda85c | 1301 | the HAL_SAI_TxHalfCpltCallback could be implemented in the user file |
mbed_official | 87:085cde657901 | 1302 | */ |
mbed_official | 87:085cde657901 | 1303 | } |
mbed_official | 87:085cde657901 | 1304 | |
mbed_official | 87:085cde657901 | 1305 | /** |
mbed_official | 87:085cde657901 | 1306 | * @brief Rx Transfer completed callbacks. |
mbed_official | 226:b062af740e40 | 1307 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1308 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1309 | * @retval None |
mbed_official | 87:085cde657901 | 1310 | */ |
mbed_official | 87:085cde657901 | 1311 | __weak void HAL_SAI_RxCpltCallback(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1312 | { |
mbed_official | 87:085cde657901 | 1313 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 87:085cde657901 | 1314 | the HAL_SAI_RxCpltCallback could be implemented in the user file |
mbed_official | 87:085cde657901 | 1315 | */ |
mbed_official | 87:085cde657901 | 1316 | } |
mbed_official | 87:085cde657901 | 1317 | |
mbed_official | 87:085cde657901 | 1318 | /** |
mbed_official | 87:085cde657901 | 1319 | * @brief Rx Transfer half completed callbacks |
mbed_official | 226:b062af740e40 | 1320 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1321 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1322 | * @retval None |
mbed_official | 87:085cde657901 | 1323 | */ |
mbed_official | 87:085cde657901 | 1324 | __weak void HAL_SAI_RxHalfCpltCallback(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1325 | { |
mbed_official | 87:085cde657901 | 1326 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 532:fe11edbda85c | 1327 | the HAL_SAI_RxCpltCallback could be implemented in the user file |
mbed_official | 87:085cde657901 | 1328 | */ |
mbed_official | 87:085cde657901 | 1329 | } |
mbed_official | 87:085cde657901 | 1330 | |
mbed_official | 87:085cde657901 | 1331 | /** |
mbed_official | 87:085cde657901 | 1332 | * @brief SAI error callbacks. |
mbed_official | 226:b062af740e40 | 1333 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1334 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1335 | * @retval None |
mbed_official | 87:085cde657901 | 1336 | */ |
mbed_official | 87:085cde657901 | 1337 | __weak void HAL_SAI_ErrorCallback(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1338 | { |
mbed_official | 87:085cde657901 | 1339 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 87:085cde657901 | 1340 | the HAL_SAI_ErrorCallback could be implemented in the user file |
mbed_official | 87:085cde657901 | 1341 | */ |
mbed_official | 87:085cde657901 | 1342 | } |
mbed_official | 87:085cde657901 | 1343 | |
mbed_official | 87:085cde657901 | 1344 | /** |
mbed_official | 87:085cde657901 | 1345 | * @} |
mbed_official | 87:085cde657901 | 1346 | */ |
mbed_official | 87:085cde657901 | 1347 | |
mbed_official | 87:085cde657901 | 1348 | |
mbed_official | 532:fe11edbda85c | 1349 | /** @defgroup SAI_Exported_Functions_Group3 Peripheral State functions |
mbed_official | 87:085cde657901 | 1350 | * @brief Peripheral State functions |
mbed_official | 87:085cde657901 | 1351 | * |
mbed_official | 87:085cde657901 | 1352 | @verbatim |
mbed_official | 87:085cde657901 | 1353 | =============================================================================== |
mbed_official | 87:085cde657901 | 1354 | ##### Peripheral State and Errors functions ##### |
mbed_official | 87:085cde657901 | 1355 | =============================================================================== |
mbed_official | 87:085cde657901 | 1356 | [..] |
mbed_official | 226:b062af740e40 | 1357 | This subsection permits to get in run-time the status of the peripheral |
mbed_official | 87:085cde657901 | 1358 | and the data flow. |
mbed_official | 87:085cde657901 | 1359 | |
mbed_official | 87:085cde657901 | 1360 | @endverbatim |
mbed_official | 87:085cde657901 | 1361 | * @{ |
mbed_official | 87:085cde657901 | 1362 | */ |
mbed_official | 87:085cde657901 | 1363 | |
mbed_official | 87:085cde657901 | 1364 | /** |
mbed_official | 87:085cde657901 | 1365 | * @brief Returns the SAI state. |
mbed_official | 226:b062af740e40 | 1366 | * @param hsai: pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1367 | * the configuration information for SAI module. |
mbed_official | 87:085cde657901 | 1368 | * @retval HAL state |
mbed_official | 87:085cde657901 | 1369 | */ |
mbed_official | 87:085cde657901 | 1370 | HAL_SAI_StateTypeDef HAL_SAI_GetState(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1371 | { |
mbed_official | 87:085cde657901 | 1372 | return hsai->State; |
mbed_official | 87:085cde657901 | 1373 | } |
mbed_official | 87:085cde657901 | 1374 | |
mbed_official | 87:085cde657901 | 1375 | /** |
mbed_official | 87:085cde657901 | 1376 | * @brief Return the SAI error code |
mbed_official | 87:085cde657901 | 1377 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 87:085cde657901 | 1378 | * the configuration information for the specified SAI Block. |
mbed_official | 87:085cde657901 | 1379 | * @retval SAI Error Code |
mbed_official | 87:085cde657901 | 1380 | */ |
mbed_official | 87:085cde657901 | 1381 | uint32_t HAL_SAI_GetError(SAI_HandleTypeDef *hsai) |
mbed_official | 87:085cde657901 | 1382 | { |
mbed_official | 87:085cde657901 | 1383 | return hsai->ErrorCode; |
mbed_official | 87:085cde657901 | 1384 | } |
mbed_official | 87:085cde657901 | 1385 | /** |
mbed_official | 87:085cde657901 | 1386 | * @} |
mbed_official | 87:085cde657901 | 1387 | */ |
mbed_official | 87:085cde657901 | 1388 | |
mbed_official | 87:085cde657901 | 1389 | /** |
mbed_official | 532:fe11edbda85c | 1390 | * @brief Initializes the SAI I2S protocol according to the specified parameters |
mbed_official | 532:fe11edbda85c | 1391 | * in the SAI_InitTypeDef and create the associated handle. |
mbed_official | 532:fe11edbda85c | 1392 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1393 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1394 | * @param protocol : one of the supported protocol |
mbed_official | 532:fe11edbda85c | 1395 | * @param datasize : one of the supported datasize @ref SAI_Protocol_DataSize |
mbed_official | 532:fe11edbda85c | 1396 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1397 | * @param nbslot : number of slot minimum value is 2 and max is 16. |
mbed_official | 532:fe11edbda85c | 1398 | * the value must be a multiple of 2. |
mbed_official | 532:fe11edbda85c | 1399 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1400 | */ |
mbed_official | 532:fe11edbda85c | 1401 | static HAL_StatusTypeDef SAI_InitI2S(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot) |
mbed_official | 532:fe11edbda85c | 1402 | { |
mbed_official | 532:fe11edbda85c | 1403 | /* Check the parameters */ |
mbed_official | 532:fe11edbda85c | 1404 | assert_param(IS_SAI_SUPPORTED_PROTOCOL(protocol)); |
mbed_official | 532:fe11edbda85c | 1405 | assert_param(IS_SAI_PROTOCOL_DATASIZE(datasize)); |
mbed_official | 532:fe11edbda85c | 1406 | |
mbed_official | 532:fe11edbda85c | 1407 | hsai->Init.Protocol = SAI_FREE_PROTOCOL; |
mbed_official | 532:fe11edbda85c | 1408 | hsai->Init.FirstBit = SAI_FIRSTBIT_MSB; |
mbed_official | 532:fe11edbda85c | 1409 | hsai->Init.ClockStrobing = SAI_CLOCKSTROBING_FALLINGEDGE; |
mbed_official | 532:fe11edbda85c | 1410 | hsai->FrameInit.FSDefinition = SAI_FS_CHANNEL_IDENTIFICATION; |
mbed_official | 532:fe11edbda85c | 1411 | hsai->SlotInit.SlotActive = SAI_SLOTACTIVE_ALL; |
mbed_official | 532:fe11edbda85c | 1412 | hsai->SlotInit.FirstBitOffset = 0; |
mbed_official | 532:fe11edbda85c | 1413 | hsai->SlotInit.SlotNumber = nbslot; |
mbed_official | 532:fe11edbda85c | 1414 | |
mbed_official | 532:fe11edbda85c | 1415 | /* in IS2 the number of slot must be even */ |
mbed_official | 532:fe11edbda85c | 1416 | if((nbslot & 0x1) != 0 ) |
mbed_official | 532:fe11edbda85c | 1417 | { |
mbed_official | 532:fe11edbda85c | 1418 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1419 | } |
mbed_official | 532:fe11edbda85c | 1420 | |
mbed_official | 532:fe11edbda85c | 1421 | switch(protocol) |
mbed_official | 532:fe11edbda85c | 1422 | { |
mbed_official | 532:fe11edbda85c | 1423 | case SAI_I2S_STANDARD : |
mbed_official | 532:fe11edbda85c | 1424 | hsai->FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW; |
mbed_official | 532:fe11edbda85c | 1425 | hsai->FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT; |
mbed_official | 532:fe11edbda85c | 1426 | break; |
mbed_official | 532:fe11edbda85c | 1427 | case SAI_I2S_MSBJUSTIFIED : |
mbed_official | 532:fe11edbda85c | 1428 | case SAI_I2S_LSBJUSTIFIED : |
mbed_official | 532:fe11edbda85c | 1429 | hsai->FrameInit.FSPolarity = SAI_FS_ACTIVE_HIGH; |
mbed_official | 532:fe11edbda85c | 1430 | hsai->FrameInit.FSOffset = SAI_FS_FIRSTBIT; |
mbed_official | 532:fe11edbda85c | 1431 | break; |
mbed_official | 532:fe11edbda85c | 1432 | default : |
mbed_official | 532:fe11edbda85c | 1433 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1434 | } |
mbed_official | 532:fe11edbda85c | 1435 | |
mbed_official | 532:fe11edbda85c | 1436 | /* Frame definition */ |
mbed_official | 532:fe11edbda85c | 1437 | hsai->Init.DataSize = 0xFFFFFFFF; |
mbed_official | 532:fe11edbda85c | 1438 | switch(datasize) |
mbed_official | 532:fe11edbda85c | 1439 | { |
mbed_official | 532:fe11edbda85c | 1440 | case SAI_PROTOCOL_DATASIZE_16BIT: |
mbed_official | 532:fe11edbda85c | 1441 | hsai->Init.DataSize = SAI_DATASIZE_16; |
mbed_official | 532:fe11edbda85c | 1442 | hsai->FrameInit.FrameLength = 32*(nbslot/2); |
mbed_official | 532:fe11edbda85c | 1443 | hsai->FrameInit.ActiveFrameLength = 16*(nbslot/2); |
mbed_official | 532:fe11edbda85c | 1444 | hsai->SlotInit.SlotSize = SAI_SLOTSIZE_16B; |
mbed_official | 532:fe11edbda85c | 1445 | break; |
mbed_official | 532:fe11edbda85c | 1446 | case SAI_PROTOCOL_DATASIZE_16BITEXTENDED : |
mbed_official | 532:fe11edbda85c | 1447 | if(hsai->Init.DataSize == 0xFFFFFFFF) |
mbed_official | 532:fe11edbda85c | 1448 | { |
mbed_official | 532:fe11edbda85c | 1449 | hsai->Init.DataSize = SAI_DATASIZE_16; |
mbed_official | 532:fe11edbda85c | 1450 | } |
mbed_official | 532:fe11edbda85c | 1451 | break; |
mbed_official | 532:fe11edbda85c | 1452 | case SAI_PROTOCOL_DATASIZE_24BIT: |
mbed_official | 532:fe11edbda85c | 1453 | if(hsai->Init.DataSize == 0xFFFFFFFF) |
mbed_official | 532:fe11edbda85c | 1454 | { |
mbed_official | 532:fe11edbda85c | 1455 | hsai->Init.DataSize = SAI_DATASIZE_24; |
mbed_official | 532:fe11edbda85c | 1456 | } |
mbed_official | 532:fe11edbda85c | 1457 | break; |
mbed_official | 532:fe11edbda85c | 1458 | case SAI_PROTOCOL_DATASIZE_32BIT: |
mbed_official | 532:fe11edbda85c | 1459 | if(hsai->Init.DataSize == 0xFFFFFFFF) |
mbed_official | 532:fe11edbda85c | 1460 | { |
mbed_official | 532:fe11edbda85c | 1461 | hsai->Init.DataSize = SAI_DATASIZE_32; |
mbed_official | 532:fe11edbda85c | 1462 | } |
mbed_official | 532:fe11edbda85c | 1463 | hsai->FrameInit.FrameLength = 64*(nbslot/2); |
mbed_official | 532:fe11edbda85c | 1464 | hsai->FrameInit.ActiveFrameLength = 32*(nbslot/2); |
mbed_official | 532:fe11edbda85c | 1465 | hsai->SlotInit.SlotSize = SAI_SLOTSIZE_32B; |
mbed_official | 532:fe11edbda85c | 1466 | if(protocol == SAI_I2S_LSBJUSTIFIED) |
mbed_official | 532:fe11edbda85c | 1467 | { |
mbed_official | 532:fe11edbda85c | 1468 | if (datasize == SAI_PROTOCOL_DATASIZE_16BITEXTENDED) |
mbed_official | 532:fe11edbda85c | 1469 | { |
mbed_official | 532:fe11edbda85c | 1470 | hsai->SlotInit.FirstBitOffset = 16; |
mbed_official | 532:fe11edbda85c | 1471 | } |
mbed_official | 532:fe11edbda85c | 1472 | if (datasize == SAI_PROTOCOL_DATASIZE_24BIT) |
mbed_official | 532:fe11edbda85c | 1473 | { |
mbed_official | 532:fe11edbda85c | 1474 | hsai->SlotInit.FirstBitOffset = 8; |
mbed_official | 532:fe11edbda85c | 1475 | } |
mbed_official | 532:fe11edbda85c | 1476 | } |
mbed_official | 532:fe11edbda85c | 1477 | break; |
mbed_official | 532:fe11edbda85c | 1478 | default : |
mbed_official | 532:fe11edbda85c | 1479 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1480 | } |
mbed_official | 532:fe11edbda85c | 1481 | |
mbed_official | 532:fe11edbda85c | 1482 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1483 | } |
mbed_official | 532:fe11edbda85c | 1484 | |
mbed_official | 532:fe11edbda85c | 1485 | /** |
mbed_official | 532:fe11edbda85c | 1486 | * @brief Initializes the SAI PCM protocol according to the specified parameters |
mbed_official | 532:fe11edbda85c | 1487 | * in the SAI_InitTypeDef and create the associated handle. |
mbed_official | 532:fe11edbda85c | 1488 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1489 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1490 | * @param protocol : one of the supported protocol |
mbed_official | 532:fe11edbda85c | 1491 | * @param datasize : one of the supported datasize @ref SAI_Protocol_DataSize |
mbed_official | 532:fe11edbda85c | 1492 | * @param nbslot : number of slot minimum value is 1 and the max is 16. |
mbed_official | 532:fe11edbda85c | 1493 | * @retval HAL status |
mbed_official | 532:fe11edbda85c | 1494 | */ |
mbed_official | 532:fe11edbda85c | 1495 | static HAL_StatusTypeDef SAI_InitPCM(SAI_HandleTypeDef *hsai, uint32_t protocol, uint32_t datasize, uint32_t nbslot) |
mbed_official | 532:fe11edbda85c | 1496 | { |
mbed_official | 532:fe11edbda85c | 1497 | /* Check the parameters */ |
mbed_official | 532:fe11edbda85c | 1498 | assert_param(IS_SAI_SUPPORTED_PROTOCOL(protocol)); |
mbed_official | 532:fe11edbda85c | 1499 | assert_param(IS_SAI_PROTOCOL_DATASIZE(datasize)); |
mbed_official | 532:fe11edbda85c | 1500 | |
mbed_official | 532:fe11edbda85c | 1501 | hsai->Init.Protocol = SAI_FREE_PROTOCOL; |
mbed_official | 532:fe11edbda85c | 1502 | hsai->Init.FirstBit = SAI_FIRSTBIT_MSB; |
mbed_official | 532:fe11edbda85c | 1503 | hsai->Init.ClockStrobing = SAI_CLOCKSTROBING_FALLINGEDGE; |
mbed_official | 532:fe11edbda85c | 1504 | hsai->FrameInit.FSDefinition = SAI_FS_STARTFRAME; |
mbed_official | 532:fe11edbda85c | 1505 | hsai->FrameInit.FSPolarity = SAI_FS_ACTIVE_HIGH; |
mbed_official | 532:fe11edbda85c | 1506 | hsai->FrameInit.FSOffset = SAI_FS_BEFOREFIRSTBIT; |
mbed_official | 532:fe11edbda85c | 1507 | hsai->SlotInit.FirstBitOffset = 0; |
mbed_official | 532:fe11edbda85c | 1508 | hsai->SlotInit.SlotNumber = nbslot; |
mbed_official | 532:fe11edbda85c | 1509 | hsai->SlotInit.SlotActive = SAI_SLOTACTIVE_ALL; |
mbed_official | 532:fe11edbda85c | 1510 | |
mbed_official | 532:fe11edbda85c | 1511 | switch(protocol) |
mbed_official | 532:fe11edbda85c | 1512 | { |
mbed_official | 532:fe11edbda85c | 1513 | case SAI_PCM_SHORT : |
mbed_official | 532:fe11edbda85c | 1514 | hsai->FrameInit.ActiveFrameLength = 1; |
mbed_official | 532:fe11edbda85c | 1515 | break; |
mbed_official | 532:fe11edbda85c | 1516 | case SAI_PCM_LONG : |
mbed_official | 532:fe11edbda85c | 1517 | hsai->FrameInit.ActiveFrameLength = 13; |
mbed_official | 532:fe11edbda85c | 1518 | break; |
mbed_official | 532:fe11edbda85c | 1519 | default : |
mbed_official | 532:fe11edbda85c | 1520 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1521 | } |
mbed_official | 532:fe11edbda85c | 1522 | |
mbed_official | 532:fe11edbda85c | 1523 | switch(datasize) |
mbed_official | 532:fe11edbda85c | 1524 | { |
mbed_official | 532:fe11edbda85c | 1525 | case SAI_PROTOCOL_DATASIZE_16BIT: |
mbed_official | 532:fe11edbda85c | 1526 | hsai->Init.DataSize = SAI_DATASIZE_16; |
mbed_official | 532:fe11edbda85c | 1527 | hsai->FrameInit.FrameLength = 16 * nbslot; |
mbed_official | 532:fe11edbda85c | 1528 | hsai->SlotInit.SlotSize = SAI_SLOTSIZE_16B; |
mbed_official | 532:fe11edbda85c | 1529 | break; |
mbed_official | 532:fe11edbda85c | 1530 | case SAI_PROTOCOL_DATASIZE_16BITEXTENDED : |
mbed_official | 532:fe11edbda85c | 1531 | hsai->Init.DataSize = SAI_DATASIZE_16; |
mbed_official | 532:fe11edbda85c | 1532 | hsai->FrameInit.FrameLength = 32 * nbslot; |
mbed_official | 532:fe11edbda85c | 1533 | hsai->SlotInit.SlotSize = SAI_SLOTSIZE_32B; |
mbed_official | 532:fe11edbda85c | 1534 | break; |
mbed_official | 532:fe11edbda85c | 1535 | |
mbed_official | 532:fe11edbda85c | 1536 | case SAI_PROTOCOL_DATASIZE_32BIT: |
mbed_official | 532:fe11edbda85c | 1537 | hsai->Init.DataSize = SAI_DATASIZE_32; |
mbed_official | 532:fe11edbda85c | 1538 | hsai->FrameInit.FrameLength = 32 * nbslot; |
mbed_official | 532:fe11edbda85c | 1539 | hsai->SlotInit.SlotSize = SAI_SLOTSIZE_32B; |
mbed_official | 532:fe11edbda85c | 1540 | break; |
mbed_official | 532:fe11edbda85c | 1541 | default : |
mbed_official | 532:fe11edbda85c | 1542 | return HAL_ERROR; |
mbed_official | 532:fe11edbda85c | 1543 | } |
mbed_official | 532:fe11edbda85c | 1544 | |
mbed_official | 532:fe11edbda85c | 1545 | return HAL_OK; |
mbed_official | 532:fe11edbda85c | 1546 | } |
mbed_official | 532:fe11edbda85c | 1547 | |
mbed_official | 532:fe11edbda85c | 1548 | /** |
mbed_official | 532:fe11edbda85c | 1549 | * @brief Fill the fifo |
mbed_official | 532:fe11edbda85c | 1550 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1551 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1552 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1553 | */ |
mbed_official | 532:fe11edbda85c | 1554 | static void SAI_FillFifo(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1555 | { |
mbed_official | 532:fe11edbda85c | 1556 | /* fill the fifo with data before to enabled the SAI */ |
mbed_official | 532:fe11edbda85c | 1557 | while((hsai->Instance->SR & SAI_xSR_FLVL) != SAI_FIFOSTATUS_FULL) |
mbed_official | 532:fe11edbda85c | 1558 | { |
mbed_official | 532:fe11edbda85c | 1559 | if((hsai->Init.DataSize == SAI_DATASIZE_8) && (hsai->Init.CompandingMode == SAI_NOCOMPANDING)) |
mbed_official | 532:fe11edbda85c | 1560 | { |
mbed_official | 532:fe11edbda85c | 1561 | hsai->Instance->DR = (*hsai->pBuffPtr++); |
mbed_official | 532:fe11edbda85c | 1562 | } |
mbed_official | 532:fe11edbda85c | 1563 | else if(hsai->Init.DataSize <= SAI_DATASIZE_16) |
mbed_official | 532:fe11edbda85c | 1564 | { |
mbed_official | 532:fe11edbda85c | 1565 | hsai->Instance->DR = *((uint32_t *)hsai->pBuffPtr); |
mbed_official | 532:fe11edbda85c | 1566 | hsai->pBuffPtr+= 2; |
mbed_official | 532:fe11edbda85c | 1567 | } |
mbed_official | 532:fe11edbda85c | 1568 | else |
mbed_official | 532:fe11edbda85c | 1569 | { |
mbed_official | 532:fe11edbda85c | 1570 | hsai->Instance->DR = *((uint32_t *)hsai->pBuffPtr); |
mbed_official | 532:fe11edbda85c | 1571 | hsai->pBuffPtr+= 4; |
mbed_official | 532:fe11edbda85c | 1572 | } |
mbed_official | 532:fe11edbda85c | 1573 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1574 | } |
mbed_official | 532:fe11edbda85c | 1575 | } |
mbed_official | 532:fe11edbda85c | 1576 | |
mbed_official | 532:fe11edbda85c | 1577 | /** |
mbed_official | 532:fe11edbda85c | 1578 | * @brief return the interrupt flag to set according the SAI setup |
mbed_official | 532:fe11edbda85c | 1579 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1580 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1581 | * @param mode : SAI_MODE_DMA or SAI_MODE_IT |
mbed_official | 532:fe11edbda85c | 1582 | * @retval the list of the IT flag to enable |
mbed_official | 532:fe11edbda85c | 1583 | */ |
mbed_official | 532:fe11edbda85c | 1584 | static uint32_t SAI_InterruptFlag(SAI_HandleTypeDef *hsai, uint32_t mode) |
mbed_official | 532:fe11edbda85c | 1585 | { |
mbed_official | 532:fe11edbda85c | 1586 | uint32_t tmpIT = SAI_IT_OVRUDR; |
mbed_official | 532:fe11edbda85c | 1587 | |
mbed_official | 532:fe11edbda85c | 1588 | if(mode == SAI_MODE_IT) |
mbed_official | 532:fe11edbda85c | 1589 | { |
mbed_official | 532:fe11edbda85c | 1590 | tmpIT|= SAI_IT_FREQ; |
mbed_official | 532:fe11edbda85c | 1591 | } |
mbed_official | 532:fe11edbda85c | 1592 | |
mbed_official | 532:fe11edbda85c | 1593 | if((hsai->Init.AudioMode == SAI_MODESLAVE_RX) || (hsai->Init.AudioMode == SAI_MODESLAVE_TX)) |
mbed_official | 532:fe11edbda85c | 1594 | { |
mbed_official | 532:fe11edbda85c | 1595 | tmpIT|= SAI_IT_AFSDET | SAI_IT_LFSDET; |
mbed_official | 532:fe11edbda85c | 1596 | } |
mbed_official | 532:fe11edbda85c | 1597 | else |
mbed_official | 532:fe11edbda85c | 1598 | { |
mbed_official | 532:fe11edbda85c | 1599 | /* hsai has been configured in master mode */ |
mbed_official | 532:fe11edbda85c | 1600 | tmpIT|= SAI_IT_WCKCFG; |
mbed_official | 532:fe11edbda85c | 1601 | } |
mbed_official | 532:fe11edbda85c | 1602 | return tmpIT; |
mbed_official | 532:fe11edbda85c | 1603 | } |
mbed_official | 532:fe11edbda85c | 1604 | |
mbed_official | 532:fe11edbda85c | 1605 | /** |
mbed_official | 532:fe11edbda85c | 1606 | * @brief disabled the SAI and wait the disabling |
mbed_official | 532:fe11edbda85c | 1607 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1608 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1609 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1610 | */ |
mbed_official | 532:fe11edbda85c | 1611 | static HAL_StatusTypeDef SAI_Disable(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1612 | { |
mbed_official | 532:fe11edbda85c | 1613 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 532:fe11edbda85c | 1614 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 532:fe11edbda85c | 1615 | |
mbed_official | 532:fe11edbda85c | 1616 | __HAL_SAI_DISABLE(hsai); |
mbed_official | 532:fe11edbda85c | 1617 | while((hsai->Instance->CR1 & SAI_xCR1_SAIEN) != RESET) |
mbed_official | 532:fe11edbda85c | 1618 | { |
mbed_official | 532:fe11edbda85c | 1619 | /* Check for the Timeout */ |
mbed_official | 532:fe11edbda85c | 1620 | if((HAL_GetTick() - tickstart ) > SAI_TIMEOUT_VALUE) |
mbed_official | 532:fe11edbda85c | 1621 | { |
mbed_official | 532:fe11edbda85c | 1622 | /* Update error code */ |
mbed_official | 532:fe11edbda85c | 1623 | hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT; |
mbed_official | 532:fe11edbda85c | 1624 | |
mbed_official | 532:fe11edbda85c | 1625 | status = HAL_TIMEOUT; |
mbed_official | 532:fe11edbda85c | 1626 | |
mbed_official | 532:fe11edbda85c | 1627 | /* Change the SAI state */ |
mbed_official | 532:fe11edbda85c | 1628 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1629 | } |
mbed_official | 532:fe11edbda85c | 1630 | } |
mbed_official | 532:fe11edbda85c | 1631 | return status; |
mbed_official | 532:fe11edbda85c | 1632 | } |
mbed_official | 532:fe11edbda85c | 1633 | |
mbed_official | 532:fe11edbda85c | 1634 | /** |
mbed_official | 532:fe11edbda85c | 1635 | * @brief Tx Handler for Transmit in Interrupt mode 8Bit transfer |
mbed_official | 532:fe11edbda85c | 1636 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1637 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1638 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1639 | */ |
mbed_official | 532:fe11edbda85c | 1640 | static void SAI_Transmit_IT8Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1641 | { |
mbed_official | 532:fe11edbda85c | 1642 | /* Write data on DR register */ |
mbed_official | 532:fe11edbda85c | 1643 | hsai->Instance->DR = (*hsai->pBuffPtr++); |
mbed_official | 532:fe11edbda85c | 1644 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1645 | |
mbed_official | 532:fe11edbda85c | 1646 | /* Handle the end of the transmission */ |
mbed_official | 532:fe11edbda85c | 1647 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1648 | { |
mbed_official | 532:fe11edbda85c | 1649 | /* Disable FREQ and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1650 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1651 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1652 | HAL_SAI_TxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1653 | } |
mbed_official | 532:fe11edbda85c | 1654 | } |
mbed_official | 532:fe11edbda85c | 1655 | |
mbed_official | 532:fe11edbda85c | 1656 | /** |
mbed_official | 532:fe11edbda85c | 1657 | * @brief Tx Handler for Transmit in Interrupt mode for 16Bit transfer |
mbed_official | 532:fe11edbda85c | 1658 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1659 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1660 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1661 | */ |
mbed_official | 532:fe11edbda85c | 1662 | static void SAI_Transmit_IT16Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1663 | { |
mbed_official | 532:fe11edbda85c | 1664 | /* Write data on DR register */ |
mbed_official | 532:fe11edbda85c | 1665 | hsai->Instance->DR = *(uint16_t *)hsai->pBuffPtr; |
mbed_official | 532:fe11edbda85c | 1666 | hsai->pBuffPtr+=2; |
mbed_official | 532:fe11edbda85c | 1667 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1668 | |
mbed_official | 532:fe11edbda85c | 1669 | /* Handle the end of the transmission */ |
mbed_official | 532:fe11edbda85c | 1670 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1671 | { |
mbed_official | 532:fe11edbda85c | 1672 | /* Disable FREQ and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1673 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1674 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1675 | HAL_SAI_TxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1676 | } |
mbed_official | 532:fe11edbda85c | 1677 | } |
mbed_official | 532:fe11edbda85c | 1678 | |
mbed_official | 532:fe11edbda85c | 1679 | /** |
mbed_official | 532:fe11edbda85c | 1680 | * @brief Tx Handler for Transmit in Interrupt mode for 32Bit transfer |
mbed_official | 532:fe11edbda85c | 1681 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1682 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1683 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1684 | */ |
mbed_official | 532:fe11edbda85c | 1685 | static void SAI_Transmit_IT32Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1686 | { |
mbed_official | 532:fe11edbda85c | 1687 | /* Write data on DR register */ |
mbed_official | 532:fe11edbda85c | 1688 | hsai->Instance->DR = *(uint32_t *)hsai->pBuffPtr; |
mbed_official | 532:fe11edbda85c | 1689 | hsai->pBuffPtr+=4; |
mbed_official | 532:fe11edbda85c | 1690 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1691 | |
mbed_official | 532:fe11edbda85c | 1692 | /* Handle the end of the transmission */ |
mbed_official | 532:fe11edbda85c | 1693 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1694 | { |
mbed_official | 532:fe11edbda85c | 1695 | /* Disable FREQ and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1696 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1697 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1698 | HAL_SAI_TxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1699 | } |
mbed_official | 532:fe11edbda85c | 1700 | } |
mbed_official | 532:fe11edbda85c | 1701 | |
mbed_official | 532:fe11edbda85c | 1702 | /** |
mbed_official | 532:fe11edbda85c | 1703 | * @brief Rx Handler for Receive in Interrupt mode 8Bit transfer |
mbed_official | 532:fe11edbda85c | 1704 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1705 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1706 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1707 | */ |
mbed_official | 532:fe11edbda85c | 1708 | static void SAI_Receive_IT8Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1709 | { |
mbed_official | 532:fe11edbda85c | 1710 | /* Receive data */ |
mbed_official | 532:fe11edbda85c | 1711 | (*hsai->pBuffPtr++) = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 1712 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1713 | |
mbed_official | 532:fe11edbda85c | 1714 | /* Check end of the transfer */ |
mbed_official | 532:fe11edbda85c | 1715 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1716 | { |
mbed_official | 532:fe11edbda85c | 1717 | /* Disable TXE and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1718 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1719 | |
mbed_official | 532:fe11edbda85c | 1720 | /* Clear the SAI Overrun flag */ |
mbed_official | 532:fe11edbda85c | 1721 | __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR); |
mbed_official | 532:fe11edbda85c | 1722 | |
mbed_official | 532:fe11edbda85c | 1723 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1724 | HAL_SAI_RxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1725 | } |
mbed_official | 532:fe11edbda85c | 1726 | } |
mbed_official | 532:fe11edbda85c | 1727 | |
mbed_official | 532:fe11edbda85c | 1728 | /** |
mbed_official | 532:fe11edbda85c | 1729 | * @brief Rx Handler for Receive in Interrupt mode for 16Bit transfer |
mbed_official | 532:fe11edbda85c | 1730 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1731 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1732 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1733 | */ |
mbed_official | 532:fe11edbda85c | 1734 | static void SAI_Receive_IT16Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1735 | { |
mbed_official | 532:fe11edbda85c | 1736 | /* Receive data */ |
mbed_official | 532:fe11edbda85c | 1737 | *(uint16_t*)hsai->pBuffPtr = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 1738 | hsai->pBuffPtr+=2; |
mbed_official | 532:fe11edbda85c | 1739 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1740 | |
mbed_official | 532:fe11edbda85c | 1741 | /* Check end of the transfer */ |
mbed_official | 532:fe11edbda85c | 1742 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1743 | { |
mbed_official | 532:fe11edbda85c | 1744 | /* Disable TXE and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1745 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1746 | |
mbed_official | 532:fe11edbda85c | 1747 | /* Clear the SAI Overrun flag */ |
mbed_official | 532:fe11edbda85c | 1748 | __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR); |
mbed_official | 532:fe11edbda85c | 1749 | |
mbed_official | 532:fe11edbda85c | 1750 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1751 | HAL_SAI_RxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1752 | } |
mbed_official | 532:fe11edbda85c | 1753 | } |
mbed_official | 532:fe11edbda85c | 1754 | /** |
mbed_official | 532:fe11edbda85c | 1755 | * @brief Rx Handler for Receive in Interrupt mode for 32Bit transfer |
mbed_official | 532:fe11edbda85c | 1756 | * @param hsai : pointer to a SAI_HandleTypeDef structure that contains |
mbed_official | 532:fe11edbda85c | 1757 | * the configuration information for SAI module. |
mbed_official | 532:fe11edbda85c | 1758 | * @retval None. |
mbed_official | 532:fe11edbda85c | 1759 | */ |
mbed_official | 532:fe11edbda85c | 1760 | static void SAI_Receive_IT32Bit(SAI_HandleTypeDef *hsai) |
mbed_official | 532:fe11edbda85c | 1761 | { |
mbed_official | 532:fe11edbda85c | 1762 | /* Receive data */ |
mbed_official | 532:fe11edbda85c | 1763 | *(uint32_t*)hsai->pBuffPtr = hsai->Instance->DR; |
mbed_official | 532:fe11edbda85c | 1764 | hsai->pBuffPtr+=4; |
mbed_official | 532:fe11edbda85c | 1765 | hsai->XferCount--; |
mbed_official | 532:fe11edbda85c | 1766 | |
mbed_official | 532:fe11edbda85c | 1767 | /* Check end of the transfer */ |
mbed_official | 532:fe11edbda85c | 1768 | if(hsai->XferCount == 0) |
mbed_official | 532:fe11edbda85c | 1769 | { |
mbed_official | 532:fe11edbda85c | 1770 | /* Disable TXE and OVRUDR interrupts */ |
mbed_official | 532:fe11edbda85c | 1771 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_IT)); |
mbed_official | 532:fe11edbda85c | 1772 | |
mbed_official | 532:fe11edbda85c | 1773 | /* Clear the SAI Overrun flag */ |
mbed_official | 532:fe11edbda85c | 1774 | __HAL_SAI_CLEAR_FLAG(hsai, SAI_FLAG_OVRUDR); |
mbed_official | 532:fe11edbda85c | 1775 | |
mbed_official | 532:fe11edbda85c | 1776 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 532:fe11edbda85c | 1777 | HAL_SAI_RxCpltCallback(hsai); |
mbed_official | 532:fe11edbda85c | 1778 | } |
mbed_official | 532:fe11edbda85c | 1779 | } |
mbed_official | 532:fe11edbda85c | 1780 | |
mbed_official | 532:fe11edbda85c | 1781 | /** |
mbed_official | 87:085cde657901 | 1782 | * @brief DMA SAI transmit process complete callback. |
mbed_official | 226:b062af740e40 | 1783 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1784 | * the configuration information for the specified DMA module. |
mbed_official | 87:085cde657901 | 1785 | * @retval None |
mbed_official | 87:085cde657901 | 1786 | */ |
mbed_official | 87:085cde657901 | 1787 | static void SAI_DMATxCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 87:085cde657901 | 1788 | { |
mbed_official | 369:2e96f1b71984 | 1789 | uint32_t tickstart = 0; |
mbed_official | 87:085cde657901 | 1790 | |
mbed_official | 106:ced8cbb51063 | 1791 | SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 532:fe11edbda85c | 1792 | |
mbed_official | 106:ced8cbb51063 | 1793 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
mbed_official | 106:ced8cbb51063 | 1794 | { |
mbed_official | 532:fe11edbda85c | 1795 | hsai->XferCount = 0; |
mbed_official | 106:ced8cbb51063 | 1796 | |
mbed_official | 106:ced8cbb51063 | 1797 | /* Disable SAI Tx DMA Request */ |
mbed_official | 106:ced8cbb51063 | 1798 | hsai->Instance->CR1 &= (uint32_t)(~SAI_xCR1_DMAEN); |
mbed_official | 532:fe11edbda85c | 1799 | |
mbed_official | 369:2e96f1b71984 | 1800 | /* Get tick */ |
mbed_official | 369:2e96f1b71984 | 1801 | tickstart = HAL_GetTick(); |
mbed_official | 532:fe11edbda85c | 1802 | |
mbed_official | 106:ced8cbb51063 | 1803 | /* Set timeout: 10 is the max delay to send the remaining data in the SAI FIFO */ |
mbed_official | 106:ced8cbb51063 | 1804 | /* Wait until FIFO is empty */ |
mbed_official | 106:ced8cbb51063 | 1805 | while(__HAL_SAI_GET_FLAG(hsai, SAI_xSR_FLVL) != RESET) |
mbed_official | 106:ced8cbb51063 | 1806 | { |
mbed_official | 106:ced8cbb51063 | 1807 | /* Check for the Timeout */ |
mbed_official | 369:2e96f1b71984 | 1808 | if((HAL_GetTick() - tickstart ) > SAI_TIMEOUT_VALUE) |
mbed_official | 106:ced8cbb51063 | 1809 | { |
mbed_official | 106:ced8cbb51063 | 1810 | /* Update error code */ |
mbed_official | 106:ced8cbb51063 | 1811 | hsai->ErrorCode |= HAL_SAI_ERROR_TIMEOUT; |
mbed_official | 106:ced8cbb51063 | 1812 | |
mbed_official | 106:ced8cbb51063 | 1813 | /* Change the SAI state */ |
mbed_official | 106:ced8cbb51063 | 1814 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 106:ced8cbb51063 | 1815 | } |
mbed_official | 106:ced8cbb51063 | 1816 | } |
mbed_official | 106:ced8cbb51063 | 1817 | |
mbed_official | 532:fe11edbda85c | 1818 | /* Stop the interrupts error handling */ |
mbed_official | 532:fe11edbda85c | 1819 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_DMA)); |
mbed_official | 532:fe11edbda85c | 1820 | |
mbed_official | 106:ced8cbb51063 | 1821 | hsai->State= HAL_SAI_STATE_READY; |
mbed_official | 106:ced8cbb51063 | 1822 | } |
mbed_official | 87:085cde657901 | 1823 | HAL_SAI_TxCpltCallback(hsai); |
mbed_official | 87:085cde657901 | 1824 | } |
mbed_official | 87:085cde657901 | 1825 | |
mbed_official | 87:085cde657901 | 1826 | /** |
mbed_official | 87:085cde657901 | 1827 | * @brief DMA SAI transmit process half complete callback |
mbed_official | 226:b062af740e40 | 1828 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1829 | * the configuration information for the specified DMA module. |
mbed_official | 87:085cde657901 | 1830 | * @retval None |
mbed_official | 87:085cde657901 | 1831 | */ |
mbed_official | 87:085cde657901 | 1832 | static void SAI_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 87:085cde657901 | 1833 | { |
mbed_official | 87:085cde657901 | 1834 | SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 87:085cde657901 | 1835 | |
mbed_official | 87:085cde657901 | 1836 | HAL_SAI_TxHalfCpltCallback(hsai); |
mbed_official | 87:085cde657901 | 1837 | } |
mbed_official | 87:085cde657901 | 1838 | |
mbed_official | 87:085cde657901 | 1839 | /** |
mbed_official | 87:085cde657901 | 1840 | * @brief DMA SAI receive process complete callback. |
mbed_official | 226:b062af740e40 | 1841 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1842 | * the configuration information for the specified DMA module. |
mbed_official | 87:085cde657901 | 1843 | * @retval None |
mbed_official | 87:085cde657901 | 1844 | */ |
mbed_official | 87:085cde657901 | 1845 | static void SAI_DMARxCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 87:085cde657901 | 1846 | { |
mbed_official | 87:085cde657901 | 1847 | SAI_HandleTypeDef* hsai = ( SAI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 106:ced8cbb51063 | 1848 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
mbed_official | 106:ced8cbb51063 | 1849 | { |
mbed_official | 106:ced8cbb51063 | 1850 | /* Disable Rx DMA Request */ |
mbed_official | 106:ced8cbb51063 | 1851 | hsai->Instance->CR1 &= (uint32_t)(~SAI_xCR1_DMAEN); |
mbed_official | 532:fe11edbda85c | 1852 | hsai->XferCount = 0; |
mbed_official | 532:fe11edbda85c | 1853 | |
mbed_official | 532:fe11edbda85c | 1854 | /* Stop the interrupts error handling */ |
mbed_official | 532:fe11edbda85c | 1855 | __HAL_SAI_DISABLE_IT(hsai, SAI_InterruptFlag(hsai, SAI_MODE_DMA)); |
mbed_official | 106:ced8cbb51063 | 1856 | |
mbed_official | 106:ced8cbb51063 | 1857 | hsai->State = HAL_SAI_STATE_READY; |
mbed_official | 106:ced8cbb51063 | 1858 | } |
mbed_official | 87:085cde657901 | 1859 | HAL_SAI_RxCpltCallback(hsai); |
mbed_official | 87:085cde657901 | 1860 | } |
mbed_official | 87:085cde657901 | 1861 | |
mbed_official | 87:085cde657901 | 1862 | /** |
mbed_official | 87:085cde657901 | 1863 | * @brief DMA SAI receive process half complete callback |
mbed_official | 226:b062af740e40 | 1864 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1865 | * the configuration information for the specified DMA module. |
mbed_official | 87:085cde657901 | 1866 | * @retval None |
mbed_official | 87:085cde657901 | 1867 | */ |
mbed_official | 87:085cde657901 | 1868 | static void SAI_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 87:085cde657901 | 1869 | { |
mbed_official | 87:085cde657901 | 1870 | SAI_HandleTypeDef* hsai = (SAI_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 87:085cde657901 | 1871 | |
mbed_official | 87:085cde657901 | 1872 | HAL_SAI_RxHalfCpltCallback(hsai); |
mbed_official | 87:085cde657901 | 1873 | } |
mbed_official | 87:085cde657901 | 1874 | /** |
mbed_official | 87:085cde657901 | 1875 | * @brief DMA SAI communication error callback. |
mbed_official | 226:b062af740e40 | 1876 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 226:b062af740e40 | 1877 | * the configuration information for the specified DMA module. |
mbed_official | 87:085cde657901 | 1878 | * @retval None |
mbed_official | 87:085cde657901 | 1879 | */ |
mbed_official | 87:085cde657901 | 1880 | static void SAI_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 87:085cde657901 | 1881 | { |
mbed_official | 87:085cde657901 | 1882 | SAI_HandleTypeDef* hsai = ( SAI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 532:fe11edbda85c | 1883 | |
mbed_official | 532:fe11edbda85c | 1884 | /* Stop the DMA transfer */ |
mbed_official | 532:fe11edbda85c | 1885 | HAL_SAI_DMAStop(hsai); |
mbed_official | 532:fe11edbda85c | 1886 | |
mbed_official | 87:085cde657901 | 1887 | /* Set the SAI state ready to be able to start again the process */ |
mbed_official | 87:085cde657901 | 1888 | hsai->State= HAL_SAI_STATE_READY; |
mbed_official | 87:085cde657901 | 1889 | HAL_SAI_ErrorCallback(hsai); |
mbed_official | 87:085cde657901 | 1890 | |
mbed_official | 532:fe11edbda85c | 1891 | hsai->XferCount = 0; |
mbed_official | 87:085cde657901 | 1892 | } |
mbed_official | 87:085cde657901 | 1893 | |
mbed_official | 87:085cde657901 | 1894 | /** |
mbed_official | 87:085cde657901 | 1895 | * @} |
mbed_official | 87:085cde657901 | 1896 | */ |
mbed_official | 87:085cde657901 | 1897 | |
mbed_official | 532:fe11edbda85c | 1898 | #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F446xx */ |
mbed_official | 87:085cde657901 | 1899 | #endif /* HAL_SAI_MODULE_ENABLED */ |
mbed_official | 87:085cde657901 | 1900 | /** |
mbed_official | 87:085cde657901 | 1901 | * @} |
mbed_official | 87:085cde657901 | 1902 | */ |
mbed_official | 87:085cde657901 | 1903 | |
mbed_official | 87:085cde657901 | 1904 | /** |
mbed_official | 87:085cde657901 | 1905 | * @} |
mbed_official | 87:085cde657901 | 1906 | */ |
mbed_official | 87:085cde657901 | 1907 | |
mbed_official | 87:085cde657901 | 1908 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |