diff options
Diffstat (limited to 'Core/Src/sai.c')
| -rwxr-xr-x | Core/Src/sai.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/Core/Src/sai.c b/Core/Src/sai.c new file mode 100755 index 0000000..9bd58d9 --- /dev/null +++ b/Core/Src/sai.c @@ -0,0 +1,179 @@ +/* USER CODE BEGIN Header */
+/**
+ ******************************************************************************
+ * File Name : SAI.c
+ * Description : This file provides code for the configuration
+ * of the SAI instances.
+ ******************************************************************************
+ * @attention
+ *
+ * Copyright (c) 2026 STMicroelectronics.
+ * All rights reserved.
+ *
+ * This software is licensed under terms that can be found in the LICENSE file
+ * in the root directory of this software component.
+ * If no LICENSE file comes with this software, it is provided AS-IS.
+ *
+ ******************************************************************************
+ */
+/* USER CODE END Header */
+
+/* Includes ------------------------------------------------------------------*/
+#include "sai.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+SAI_HandleTypeDef hsai_BlockA1;
+SAI_HandleTypeDef hsai_BlockB1;
+
+/* SAI1 init function */
+void MX_SAI1_Init(void)
+{
+
+ /* USER CODE BEGIN SAI1_Init 0 */
+
+ /* USER CODE END SAI1_Init 0 */
+
+ /* USER CODE BEGIN SAI1_Init 1 */
+
+ /* USER CODE END SAI1_Init 1 */
+
+ /* USER CODE BEGIN SAI1_Init 1 */
+
+ /* USER CODE END SAI1_Init 1 */
+
+ hsai_BlockA1.Instance = SAI1_Block_A;
+ hsai_BlockA1.Init.AudioMode = SAI_MODEMASTER_TX;
+ hsai_BlockA1.Init.Synchro = SAI_ASYNCHRONOUS;
+ hsai_BlockA1.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
+ hsai_BlockA1.Init.NoDivider = SAI_MCK_OVERSAMPLING_DISABLE;
+ hsai_BlockA1.Init.MckOverSampling = SAI_MCK_OVERSAMPLING_DISABLE;
+ hsai_BlockA1.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
+ hsai_BlockA1.Init.AudioFrequency = SAI_AUDIO_FREQUENCY_192K;
+ hsai_BlockA1.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
+ hsai_BlockA1.Init.MonoStereoMode = SAI_STEREOMODE;
+ hsai_BlockA1.Init.CompandingMode = SAI_NOCOMPANDING;
+ hsai_BlockA1.Init.TriState = SAI_OUTPUT_NOTRELEASED;
+ if (HAL_SAI_InitProtocol(&hsai_BlockA1, SAI_I2S_STANDARD, SAI_PROTOCOL_DATASIZE_24BIT, 2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ hsai_BlockB1.Instance = SAI1_Block_B;
+ hsai_BlockB1.Init.AudioMode = SAI_MODESLAVE_RX;
+ hsai_BlockB1.Init.Synchro = SAI_SYNCHRONOUS;
+ hsai_BlockB1.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
+ hsai_BlockB1.Init.MckOverSampling = SAI_MCK_OVERSAMPLING_DISABLE;
+ hsai_BlockB1.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
+ hsai_BlockB1.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
+ hsai_BlockB1.Init.MonoStereoMode = SAI_STEREOMODE;
+ hsai_BlockB1.Init.CompandingMode = SAI_NOCOMPANDING;
+ hsai_BlockB1.Init.TriState = SAI_OUTPUT_NOTRELEASED;
+ if (HAL_SAI_InitProtocol(&hsai_BlockB1, SAI_I2S_STANDARD, SAI_PROTOCOL_DATASIZE_24BIT, 2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+ /* USER CODE BEGIN SAI1_Init 2 */
+
+ /* USER CODE END SAI1_Init 2 */
+
+}
+static uint32_t SAI1_client =0;
+
+void HAL_SAI_MspInit(SAI_HandleTypeDef* saiHandle)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct;
+/* SAI1 */
+ if(saiHandle->Instance==SAI1_Block_A)
+ {
+ /* SAI1 clock enable */
+ if (SAI1_client == 0)
+ {
+ __HAL_RCC_SAI1_CLK_ENABLE();
+ }
+ SAI1_client ++;
+
+ /**SAI1_A_Block_A GPIO Configuration
+ PE2 ------> SAI1_MCLK_A
+ PE4 ------> SAI1_FS_A
+ PE5 ------> SAI1_SCK_A
+ PE6 ------> SAI1_SD_A
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF6_SAI1;
+ HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
+
+ }
+ if(saiHandle->Instance==SAI1_Block_B)
+ {
+ /* SAI1 clock enable */
+ if (SAI1_client == 0)
+ {
+ __HAL_RCC_SAI1_CLK_ENABLE();
+ }
+ SAI1_client ++;
+
+ /**SAI1_B_Block_B GPIO Configuration
+ PE3 ------> SAI1_SD_B
+ */
+ GPIO_InitStruct.Pin = GPIO_PIN_3;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+ GPIO_InitStruct.Alternate = GPIO_AF6_SAI1;
+ HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
+
+ }
+}
+
+void HAL_SAI_MspDeInit(SAI_HandleTypeDef* saiHandle)
+{
+
+/* SAI1 */
+ if(saiHandle->Instance==SAI1_Block_A)
+ {
+ SAI1_client --;
+ if (SAI1_client == 0)
+ {
+ /* Peripheral clock disable */
+ __HAL_RCC_SAI1_CLK_DISABLE();
+ }
+
+ /**SAI1_A_Block_A GPIO Configuration
+ PE2 ------> SAI1_MCLK_A
+ PE4 ------> SAI1_FS_A
+ PE5 ------> SAI1_SCK_A
+ PE6 ------> SAI1_SD_A
+ */
+ HAL_GPIO_DeInit(GPIOE, GPIO_PIN_2|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6);
+
+ }
+ if(saiHandle->Instance==SAI1_Block_B)
+ {
+ SAI1_client --;
+ if (SAI1_client == 0)
+ {
+ /* Peripheral clock disable */
+ __HAL_RCC_SAI1_CLK_DISABLE();
+ }
+
+ /**SAI1_B_Block_B GPIO Configuration
+ PE3 ------> SAI1_SD_B
+ */
+ HAL_GPIO_DeInit(GPIOE, GPIO_PIN_3);
+
+ }
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
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