/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file         stm32h7xx_hal_msp.c
  * @brief        This file provides code for the MSP Initialization
  *               and de-Initialization codes.
  ******************************************************************************
  * @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
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */

/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_spi1_tx;

extern DMA_HandleTypeDef hdma_spi1_rx;

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN Define */

/* USER CODE END Define */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN Macro */

/* USER CODE END Macro */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* External functions --------------------------------------------------------*/
/* USER CODE BEGIN ExternalFunctions */

/* USER CODE END ExternalFunctions */

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */
/**
  * Initializes the Global MSP.
  */
void HAL_MspInit(void)
{
  /* USER CODE BEGIN MspInit 0 */
  /* USER CODE END MspInit 0 */

  __HAL_RCC_SYSCFG_CLK_ENABLE();

  /* System interrupt init*/

  /* USER CODE BEGIN MspInit 1 */
  HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);

  /* USER CODE END MspInit 1 */
}

/**
* @brief I2S MSP Initialization
* This function configures the hardware resources used in this example
* @param hi2s: I2S handle pointer
* @retval None
*/
void HAL_I2S_MspInit(I2S_HandleTypeDef* hi2s)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(hi2s->Instance==SPI1)
  {
  /* USER CODE BEGIN SPI1_MspInit 0 */

  /* USER CODE END SPI1_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_SPI1_CLK_ENABLE();

    /* Hinzugefügt, unklar ob notwendig */
    __HAL_RCC_DMA1_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOC_CLK_ENABLE();
    /**I2S1 GPIO Configuration
    PA4     ------> I2S1_WS
    PA5     ------> I2S1_CK
    PA6     ------> I2S1_SDI
    PA7     ------> I2S1_SDO
    PC4     ------> I2S1_MCK
    */
    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_4;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    /* I2S1 DMA Init */
    /* SPI1_TX Init */
    hdma_spi1_tx.Instance = DMA1_Stream1;
    hdma_spi1_tx.Init.Request = DMA_REQUEST_SPI1_TX;
    hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
    hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
    hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
    hdma_spi1_tx.Init.Mode = DMA_CIRCULAR;
    hdma_spi1_tx.Init.Priority = DMA_PRIORITY_HIGH;
    hdma_spi1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(hi2s,hdmatx,hdma_spi1_tx);

    /* Deinitialize  & Initialize the DMA for new transfer */
     HAL_DMA_DeInit(&hdma_spi1_tx);
     HAL_DMA_Init(&hdma_spi1_tx);

    /* SPI1_RX Init */
    hdma_spi1_rx.Instance = DMA1_Stream0;
    hdma_spi1_rx.Init.Request = DMA_REQUEST_SPI1_RX;
    hdma_spi1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
    hdma_spi1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
    hdma_spi1_rx.Init.MemInc = DMA_MINC_ENABLE;
    hdma_spi1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
    hdma_spi1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
    hdma_spi1_rx.Init.Mode = DMA_CIRCULAR;
    hdma_spi1_rx.Init.Priority = DMA_PRIORITY_HIGH;
    hdma_spi1_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    if (HAL_DMA_Init(&hdma_spi1_rx) != HAL_OK)
    {
      Error_Handler();
    }

    __HAL_LINKDMA(hi2s,hdmarx,hdma_spi1_rx);

    /* Deinitialize  & Initialize the DMA for new transfer */
     HAL_DMA_DeInit(&hdma_spi1_rx);
     HAL_DMA_Init(&hdma_spi1_rx);

  /* USER CODE BEGIN SPI1_MspInit 1 */

  /* USER CODE END SPI1_MspInit 1 */
  }

}

/**
* @brief I2S MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param hi2s: I2S handle pointer
* @retval None
*/
void HAL_I2S_MspDeInit(I2S_HandleTypeDef* hi2s)
{
  if(hi2s->Instance==SPI1)
  {
  /* USER CODE BEGIN SPI1_MspDeInit 0 */

  /* USER CODE END SPI1_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_SPI1_CLK_DISABLE();

    /**I2S1 GPIO Configuration
    PA4     ------> I2S1_WS
    PA5     ------> I2S1_CK
    PA6     ------> I2S1_SDI
    PA7     ------> I2S1_SDO
    PC4     ------> I2S1_MCK
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);

    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_4);

    /* I2S1 DMA DeInit */
    HAL_DMA_DeInit(hi2s->hdmatx);
    HAL_DMA_DeInit(hi2s->hdmarx);
  /* USER CODE BEGIN SPI1_MspDeInit 1 */

  /* USER CODE END SPI1_MspDeInit 1 */
  }

}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

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