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158 lines
4.6 KiB
158 lines
4.6 KiB
2 years ago
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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* File Name : SAI.c
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* Description : This file provides code for the configuration
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* of the SAI instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "sai.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SAI_HandleTypeDef hsai_BlockA1;
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/* SAI1 init function */
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void MX_SAI1_Init(void)
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{
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/* USER CODE BEGIN SAI1_Init 0 */
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/* USER CODE END SAI1_Init 0 */
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/* USER CODE BEGIN SAI1_Init 1 */
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/* USER CODE END SAI1_Init 1 */
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hsai_BlockA1.Instance = SAI1_Block_A;
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hsai_BlockA1.Init.Protocol = SAI_FREE_PROTOCOL;
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hsai_BlockA1.Init.AudioMode = SAI_MODEMASTER_TX;
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hsai_BlockA1.Init.DataSize = SAI_DATASIZE_8;
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hsai_BlockA1.Init.FirstBit = SAI_FIRSTBIT_MSB;
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hsai_BlockA1.Init.ClockStrobing = SAI_CLOCKSTROBING_FALLINGEDGE;
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hsai_BlockA1.Init.Synchro = SAI_ASYNCHRONOUS;
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hsai_BlockA1.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
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hsai_BlockA1.Init.NoDivider = SAI_MASTERDIVIDER_ENABLE;
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hsai_BlockA1.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
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hsai_BlockA1.Init.ClockSource = SAI_CLKSOURCE_PLLSAI;
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hsai_BlockA1.Init.AudioFrequency = SAI_AUDIO_FREQUENCY_192K;
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hsai_BlockA1.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
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hsai_BlockA1.Init.MonoStereoMode = SAI_STEREOMODE;
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hsai_BlockA1.Init.CompandingMode = SAI_NOCOMPANDING;
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hsai_BlockA1.Init.TriState = SAI_OUTPUT_NOTRELEASED;
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hsai_BlockA1.FrameInit.FrameLength = 8;
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hsai_BlockA1.FrameInit.ActiveFrameLength = 1;
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hsai_BlockA1.FrameInit.FSDefinition = SAI_FS_STARTFRAME;
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hsai_BlockA1.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW;
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hsai_BlockA1.FrameInit.FSOffset = SAI_FS_FIRSTBIT;
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hsai_BlockA1.SlotInit.FirstBitOffset = 0;
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hsai_BlockA1.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE;
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hsai_BlockA1.SlotInit.SlotNumber = 1;
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hsai_BlockA1.SlotInit.SlotActive = 0x00000000;
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if (HAL_SAI_Init(&hsai_BlockA1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SAI1_Init 2 */
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/* USER CODE END SAI1_Init 2 */
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}
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static uint32_t SAI1_client =0;
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void HAL_SAI_MspInit(SAI_HandleTypeDef* saiHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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/* SAI1 */
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if(saiHandle->Instance==SAI1_Block_A)
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{
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/* SAI1 clock enable */
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if (SAI1_client == 0)
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{
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__HAL_RCC_SAI1_CLK_ENABLE();
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}
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SAI1_client ++;
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/**SAI1_A_Block_A GPIO Configuration
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PE4 ------> SAI1_FS_A
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PE5 ------> SAI1_SCK_A
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PD6 ------> SAI1_SD_A
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PG7 ------> SAI1_MCLK_A
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*/
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GPIO_InitStruct.Pin = SAI1_FSA_Pin|SAI1_SCKA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF6_SAI1;
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HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = MIC_DATA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF6_SAI1;
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HAL_GPIO_Init(MIC_DATA_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = SAI1_MCLKA_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF6_SAI1;
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HAL_GPIO_Init(SAI1_MCLKA_GPIO_Port, &GPIO_InitStruct);
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}
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}
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void HAL_SAI_MspDeInit(SAI_HandleTypeDef* saiHandle)
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{
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/* SAI1 */
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if(saiHandle->Instance==SAI1_Block_A)
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{
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SAI1_client --;
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if (SAI1_client == 0)
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{
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/* Peripheral clock disable */
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__HAL_RCC_SAI1_CLK_DISABLE();
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}
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/**SAI1_A_Block_A GPIO Configuration
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PE4 ------> SAI1_FS_A
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PE5 ------> SAI1_SCK_A
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PD6 ------> SAI1_SD_A
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PG7 ------> SAI1_MCLK_A
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*/
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HAL_GPIO_DeInit(GPIOE, SAI1_FSA_Pin|SAI1_SCKA_Pin);
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HAL_GPIO_DeInit(MIC_DATA_GPIO_Port, MIC_DATA_Pin);
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HAL_GPIO_DeInit(SAI1_MCLKA_GPIO_Port, SAI1_MCLKA_Pin);
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}
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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