/**
  ******************************************************************************
  * File Name          : SAI.c
  * Description        : This file provides code for the configuration
  *                      of the SAI instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* Includes ------------------------------------------------------------------*/
#include "sai.h"

#include "gpio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

SAI_HandleTypeDef hsai_BlockA2;
SAI_HandleTypeDef hsai_BlockB2;

/* SAI2 init function */
void MX_SAI2_Init(void)
{

  /* USER CODE BEGIN SAI2_Init 0 */

  /* USER CODE END SAI2_Init 0 */

  /* USER CODE BEGIN SAI2_Init 1 */

  /* USER CODE END SAI2_Init 1 */

  /* USER CODE BEGIN SAI2_Init 1 */

  /* USER CODE END SAI2_Init 1 */

  hsai_BlockA2.Instance = SAI2_Block_A;
  hsai_BlockA2.Init.Protocol = SAI_SPDIF_PROTOCOL;
  hsai_BlockA2.Init.AudioMode = SAI_MODEMASTER_TX;
  hsai_BlockA2.Init.Synchro = SAI_ASYNCHRONOUS;
  hsai_BlockA2.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
  hsai_BlockA2.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
  hsai_BlockA2.Init.AudioFrequency = SAI_AUDIO_FREQUENCY_48K;
  hsai_BlockA2.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
  hsai_BlockA2.Init.MonoStereoMode = SAI_STEREOMODE;
  hsai_BlockA2.Init.CompandingMode = SAI_NOCOMPANDING;
  hsai_BlockA2.Init.PdmInit.Activation = DISABLE;
  hsai_BlockA2.Init.PdmInit.MicPairsNbr = 1;
  hsai_BlockA2.Init.PdmInit.ClockEnable = SAI_PDM_CLOCK1_ENABLE;
  if (HAL_SAI_Init(&hsai_BlockA2) != HAL_OK)
  {
    Error_Handler();
  }

  hsai_BlockB2.Instance = SAI2_Block_B;
  hsai_BlockB2.Init.Protocol = SAI_FREE_PROTOCOL;
  hsai_BlockB2.Init.AudioMode = SAI_MODEMASTER_TX;
  hsai_BlockB2.Init.DataSize = SAI_DATASIZE_8;
  hsai_BlockB2.Init.FirstBit = SAI_FIRSTBIT_MSB;
  hsai_BlockB2.Init.ClockStrobing = SAI_CLOCKSTROBING_FALLINGEDGE;
  hsai_BlockB2.Init.Synchro = SAI_ASYNCHRONOUS;
  hsai_BlockB2.Init.OutputDrive = SAI_OUTPUTDRIVE_DISABLE;
  hsai_BlockB2.Init.NoDivider = SAI_MASTERDIVIDER_ENABLE;
  hsai_BlockB2.Init.FIFOThreshold = SAI_FIFOTHRESHOLD_EMPTY;
  hsai_BlockB2.Init.AudioFrequency = SAI_AUDIO_FREQUENCY_192K;
  hsai_BlockB2.Init.SynchroExt = SAI_SYNCEXT_DISABLE;
  hsai_BlockB2.Init.MonoStereoMode = SAI_STEREOMODE;
  hsai_BlockB2.Init.CompandingMode = SAI_NOCOMPANDING;
  hsai_BlockB2.Init.TriState = SAI_OUTPUT_NOTRELEASED;
  hsai_BlockB2.Init.PdmInit.Activation = DISABLE;
  hsai_BlockB2.Init.PdmInit.MicPairsNbr = 1;
  hsai_BlockB2.Init.PdmInit.ClockEnable = SAI_PDM_CLOCK1_ENABLE;
  hsai_BlockB2.FrameInit.FrameLength = 8;
  hsai_BlockB2.FrameInit.ActiveFrameLength = 1;
  hsai_BlockB2.FrameInit.FSDefinition = SAI_FS_STARTFRAME;
  hsai_BlockB2.FrameInit.FSPolarity = SAI_FS_ACTIVE_LOW;
  hsai_BlockB2.FrameInit.FSOffset = SAI_FS_FIRSTBIT;
  hsai_BlockB2.SlotInit.FirstBitOffset = 0;
  hsai_BlockB2.SlotInit.SlotSize = SAI_SLOTSIZE_DATASIZE;
  hsai_BlockB2.SlotInit.SlotNumber = 1;
  hsai_BlockB2.SlotInit.SlotActive = 0x00000000;
  if (HAL_SAI_Init(&hsai_BlockB2) != HAL_OK)
  {
    Error_Handler();
  }

  /* USER CODE BEGIN SAI2_Init 2 */

  /* USER CODE END SAI2_Init 2 */

}
static uint32_t SAI2_client =0;

void HAL_SAI_MspInit(SAI_HandleTypeDef* hsai)
{

  GPIO_InitTypeDef GPIO_InitStruct;
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
/* SAI2 */
    if(hsai->Instance==SAI2_Block_A)
    {
    /* SAI2 clock enable */
  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SAI2;
    PeriphClkInitStruct.Sai23ClockSelection = RCC_SAI23CLKSOURCE_PLL;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

    if (SAI2_client == 0)
    {
       __HAL_RCC_SAI2_CLK_ENABLE();
    }
    SAI2_client ++;

    /**SAI2_A_Block_A GPIO Configuration
    PD11     ------> SAI2_SD_A
    */
    GPIO_InitStruct.Pin = GPIO_PIN_11;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF10_SAI2;
    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

    }
    if(hsai->Instance==SAI2_Block_B)
    {
      /* SAI2 clock enable */
  /** Initializes the peripherals clock
  */
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SAI2;
    PeriphClkInitStruct.Sai23ClockSelection = RCC_SAI23CLKSOURCE_PLL;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      Error_Handler();
    }

      if (SAI2_client == 0)
      {
       __HAL_RCC_SAI2_CLK_ENABLE();
      }
    SAI2_client ++;

    /**SAI2_B_Block_B GPIO Configuration
    PC0     ------> SAI2_FS_B
    PH2     ------> SAI2_SCK_B
    PA0     ------> SAI2_SD_B
    PH3     ------> SAI2_MCLK_B
    */
    GPIO_InitStruct.Pin = GPIO_PIN_0;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF8_SAI2;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_2|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_AF10_SAI2;
    HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_0;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF10_SAI2;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    }
}

void HAL_SAI_MspDeInit(SAI_HandleTypeDef* hsai)
{

/* SAI2 */
    if(hsai->Instance==SAI2_Block_A)
    {
    SAI2_client --;
    if (SAI2_client == 0)
      {
      /* Peripheral clock disable */
       __HAL_RCC_SAI2_CLK_DISABLE();
      }

    /**SAI2_A_Block_A GPIO Configuration
    PD11     ------> SAI2_SD_A
    */
    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_11);

    }
    if(hsai->Instance==SAI2_Block_B)
    {
    SAI2_client --;
      if (SAI2_client == 0)
      {
      /* Peripheral clock disable */
      __HAL_RCC_SAI2_CLK_DISABLE();
      }

    /**SAI2_B_Block_B GPIO Configuration
    PC0     ------> SAI2_FS_B
    PH2     ------> SAI2_SCK_B
    PA0     ------> SAI2_SD_B
    PH3     ------> SAI2_MCLK_B
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0);

    HAL_GPIO_DeInit(GPIOH, GPIO_PIN_2|GPIO_PIN_3);

    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0);

    }
}

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/