Template project for running EEZ Flow firmware project using STM32F469I-DISCO development board
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/* USER CODE BEGIN Header */
/**
******************************************************************************
* File Name : SAI.c
* Description : This file provides code for the configuration
* of the SAI instances.
******************************************************************************
* @attention
*
* Copyright (c) 2022 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;
/* 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 */
hsai_BlockA1.Instance = SAI1_Block_A;
hsai_BlockA1.Init.Protocol = SAI_FREE_PROTOCOL;
hsai_BlockA1.Init.AudioMode = SAI_MODEMASTER_TX;
hsai_BlockA1.Init.DataSize = SAI_DATASIZE_8;
hsai_BlockA1.Init.FirstBit = SAI_FIRSTBIT_MSB;
hsai_BlockA1.Init.ClockStrobing = SAI_CLOCKSTROBING_FALLINGEDGE;
hsai_BlockA1.Init.Synchro = SAI_ASYNCHRONOUS;
hsai_BlockA1.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
hsai_BlockA1.Init.NoDivider = SAI_MASTERDIVIDER_ENABLE;
hsai_BlockA1.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
hsai_BlockA1.Init.ClockSource = SAI_CLKSOURCE_PLLSAI;
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;
hsai_BlockA1.FrameInit.FrameLength = 8;
hsai_BlockA1.FrameInit.ActiveFrameLength = 1;
hsai_BlockA1.FrameInit.FSDefinition = SAI_FS_STARTFRAME;
hsai_BlockA1.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW;
hsai_BlockA1.FrameInit.FSOffset = SAI_FS_FIRSTBIT;
hsai_BlockA1.SlotInit.FirstBitOffset = 0;
hsai_BlockA1.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE;
hsai_BlockA1.SlotInit.SlotNumber = 1;
hsai_BlockA1.SlotInit.SlotActive = 0x00000000;
if (HAL_SAI_Init(&hsai_BlockA1) != 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
PE4 ------> SAI1_FS_A
PE5 ------> SAI1_SCK_A
PD6 ------> SAI1_SD_A
PG7 ------> SAI1_MCLK_A
*/
GPIO_InitStruct.Pin = SAI1_FSA_Pin|SAI1_SCKA_Pin;
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);
GPIO_InitStruct.Pin = MIC_DATA_Pin;
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(MIC_DATA_GPIO_Port, &GPIO_InitStruct);
GPIO_InitStruct.Pin = SAI1_MCLKA_Pin;
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(SAI1_MCLKA_GPIO_Port, &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
PE4 ------> SAI1_FS_A
PE5 ------> SAI1_SCK_A
PD6 ------> SAI1_SD_A
PG7 ------> SAI1_MCLK_A
*/
HAL_GPIO_DeInit(GPIOE, SAI1_FSA_Pin|SAI1_SCKA_Pin);
HAL_GPIO_DeInit(MIC_DATA_GPIO_Port, MIC_DATA_Pin);
HAL_GPIO_DeInit(SAI1_MCLKA_GPIO_Port, SAI1_MCLKA_Pin);
}
}
/**
* @}
*/
/**
* @}
*/