/* Includes ------------------------------------------------------------------*/

#include "ALLinclude.h"

#define DATA_LENGTH       15

/* Private variables ---------------------------------------------------------*/
SPI_HandleTypeDef Spi2Handle;
uint8_t TxBuff[15] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
uint8_t RxBuff[15] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
DMA_HandleTypeDef HdmaCh2;
// DMA_HandleTypeDef HdmaCh3;

void Driver_SPIInit(void)
{
		GPIO_InitTypeDef  GPIO_InitStruct = {0};
    __HAL_RCC_GPIOB_CLK_ENABLE();                   /* Enable GPIOB clock */
    __HAL_RCC_GPIOA_CLK_ENABLE();                   /* Enable GPIOA clock */
    __HAL_RCC_SYSCFG_CLK_ENABLE();                  /* Enable SYSCFG clock */
    __HAL_RCC_SPI2_CLK_ENABLE();                    /* Enable SPI2 clock */
    __HAL_RCC_DMA1_CLK_ENABLE();                    /* Enable DMA clock */
    /*SCK*/
    GPIO_InitStruct.Pin       = GPIO_PIN_13;
    if (Spi2Handle.Init.CLKPolarity == SPI_POLARITY_LOW)
    {
      GPIO_InitStruct.Pull = GPIO_PULLDOWN;
    }
    else
    {
      GPIO_InitStruct.Pull = GPIO_PULLUP;
    }
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* SPI NSS*/
    GPIO_InitStruct.Pin = GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);


    /* GPIO configured as SPI：MISO/MOSI*/
    // GPIO_InitStruct.Pin       = GPIO_PIN_15 | GPIO_PIN_14;
    GPIO_InitStruct.Pin       = GPIO_PIN_15 ;
    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    /* Interrupt configuration */
    HAL_NVIC_SetPriority(SPI2_IRQn, 1, 0);
    HAL_NVIC_EnableIRQ(SPI2_IRQn);
    /* DMA_CH1 configuration */
    HdmaCh2.Instance                 = DMA1_Channel1;
    HdmaCh2.Init.Direction           = DMA_MEMORY_TO_PERIPH;
    HdmaCh2.Init.PeriphInc           = DMA_PINC_DISABLE;
    HdmaCh2.Init.MemInc              = DMA_MINC_ENABLE;
    if (Spi2Handle.Init.DataSize <= SPI_DATASIZE_8BIT)
    {
      HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
      HdmaCh2.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
    }
    else
    {
      HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
      HdmaCh2.Init.MemDataAlignment    = DMA_MDATAALIGN_HALFWORD;
    }
    HdmaCh2.Init.Mode                = DMA_NORMAL;
    HdmaCh2.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
    /* Initialize DMA */
    //HAL_DMA_DeInit(&HdmaCh2);
    HAL_DMA_Init(&HdmaCh2);
		
		__HAL_LINKDMA(&Spi2Handle, hdmatx, HdmaCh2);	
        /* Set DMA channel map. */
    HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI1_TX DMA1_CH2 */

    /* DMA handle is associated with SPI handle */
     HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 1, 0);
     HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);    
	
		/* De-Initialize the SPI peripheral */
		Spi2Handle.Instance               = SPI2;                       /* SPI2 */
		Spi2Handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;  /* prescaler :256 */
		Spi2Handle.Init.Direction         = SPI_DIRECTION_2LINES;       /* full duplex */
		Spi2Handle.Init.CLKPolarity       = SPI_POLARITY_LOW;           /* SPI Clock Polarity: low */
		Spi2Handle.Init.CLKPhase          = SPI_PHASE_1EDGE ;           /* Data sampling starts at the first clock edge */
		Spi2Handle.Init.DataSize          = SPI_DATASIZE_8BIT;          /* SPI Data Size is 8 bit */
		Spi2Handle.Init.FirstBit          = SPI_FIRSTBIT_MSB;           /* SPI MSB Transmission */
		Spi2Handle.Init.NSS               = SPI_NSS_HARD_OUTPUT;        /* NSS Hardware mode */
		Spi2Handle.Init.Mode = SPI_MODE_MASTER;                         /* Configure as host */
		Spi2Handle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;    /* The CRC check is disabled */
		/* Spi1Handle.Init.CRCPolynomial = 1; */                        /* CRC polynomial value */
		if (HAL_SPI_DeInit(&Spi2Handle) != HAL_OK)
		{
			APP_ErrorHandler();
		}
		
		/* Initialize SPI peripheral */
		if (HAL_SPI_Init(&Spi2Handle) != HAL_OK)
		{
			APP_ErrorHandler();
		}
  /* Transmit and Receive an amount of data in non-blocking mode with DMA */
  //HAL_SPI_Transmit_DMA
//  if (HAL_SPI_Transmit_DMA(&Spi2Handle, (uint8_t *)TxBuff, DATA_LENGTH) != HAL_OK)
//  //if (HAL_SPI_TransmitReceive_DMA(&Spi2Handle, (uint8_t *)TxBuff, (uint8_t *)RxBuff, DATA_LENGTH) != HAL_OK)
//  {
//    APP_ErrorHandler();
//  }
}


/**
  * @brief Initialize SPI related MSP
  */
//void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
//{
//  GPIO_InitTypeDef  GPIO_InitStruct = {0};
//  /* Initialize SPI1 */
//  if (hspi->Instance == SPI2)
//  {
//    __HAL_RCC_GPIOB_CLK_ENABLE();                   /* Enable GPIOB clock */
//    __HAL_RCC_GPIOA_CLK_ENABLE();                   /* Enable GPIOA clock */
//    __HAL_RCC_SYSCFG_CLK_ENABLE();                  /* Enable SYSCFG clock */
//    __HAL_RCC_SPI2_CLK_ENABLE();                    /* Enable SPI2 clock */
//    __HAL_RCC_DMA1_CLK_ENABLE();                    /* Enable DMA clock */
//    
//    /*
//      PB13-SCK  (AF3)
//      //PB14-MISO(AF3)
//      PB15-MOSI(AF3)
//      PB12-NSS(AF3)
//    */
//    /*SCK*/
//    GPIO_InitStruct.Pin       = GPIO_PIN_13;
//    if (hspi->Init.CLKPolarity == SPI_POLARITY_LOW)
//    {
//      GPIO_InitStruct.Pull = GPIO_PULLDOWN;
//    }
//    else
//    {
//      GPIO_InitStruct.Pull = GPIO_PULLUP;
//    }
//    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
//    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
//    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
//    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

//    /* SPI NSS*/
//    GPIO_InitStruct.Pin = GPIO_PIN_12;
//    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
//    GPIO_InitStruct.Pull = GPIO_PULLUP;
//    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
//    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
//    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);


//    /* GPIO configured as SPI：MISO/MOSI*/
//    // GPIO_InitStruct.Pin       = GPIO_PIN_15 | GPIO_PIN_14;
//    GPIO_InitStruct.Pin       = GPIO_PIN_15 ;
//    GPIO_InitStruct.Mode      = GPIO_MODE_AF_PP;
//    GPIO_InitStruct.Speed     = GPIO_SPEED_FREQ_HIGH;
//    GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
//    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
//    /* Interrupt configuration */
//    HAL_NVIC_SetPriority(SPI2_IRQn, 1, 0);
//    HAL_NVIC_EnableIRQ(SPI2_IRQn);
//    /* DMA_CH2 configuration */
//    HdmaCh2.Instance                 = DMA1_Channel2;
//    HdmaCh2.Init.Direction           = DMA_MEMORY_TO_PERIPH;
//    HdmaCh2.Init.PeriphInc           = DMA_PINC_DISABLE;
//    HdmaCh2.Init.MemInc              = DMA_MINC_ENABLE;
//    if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT)
//    {
//      HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
//      HdmaCh2.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
//    }
//    else
//    {
//      HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
//      HdmaCh2.Init.MemDataAlignment    = DMA_MDATAALIGN_HALFWORD;
//    }
//    HdmaCh2.Init.Mode                = DMA_NORMAL;
//    HdmaCh2.Init.Priority            = DMA_PRIORITY_VERY_HIGH;
//    /* Initialize DMA */
//    //HAL_DMA_DeInit(&HdmaCh2);
//    HAL_DMA_Init(&HdmaCh2);
//        /* Set DMA channel map. */
//    HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI1_TX DMA1_CH2 */

//    /* DMA handle is associated with SPI handle */
//    __HAL_LINKDMA(hspi, hdmatx, HdmaCh2);
//#if 0
//    /* DMA_CH3 configuration */
//    HdmaCh3.Instance                 = DMA1_Channel3;
//    HdmaCh3.Init.Direction           = DMA_PERIPH_TO_MEMORY;
//    HdmaCh3.Init.PeriphInc           = DMA_PINC_DISABLE;
//    HdmaCh3.Init.MemInc              = DMA_MINC_ENABLE;
//    if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT)
//    {
//      HdmaCh3.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
//      HdmaCh3.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
//    }
//    else
//    {
//      HdmaCh3.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
//      HdmaCh3.Init.MemDataAlignment    = DMA_MDATAALIGN_HALFWORD;
//    }
//    HdmaCh3.Init.Mode                = DMA_NORMAL;
//    HdmaCh3.Init.Priority            = DMA_PRIORITY_LOW;
//    /* Initialize DMA*/
//    HAL_DMA_Init(&HdmaCh3);
//    /* DMA handle is associated with SPI handle*/
//    __HAL_LINKDMA(hspi, hdmarx, HdmaCh3);
//#endif    
//    /* Set DMA channel map. */
//    //HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI2_TX DMA1_CH2 */
//    //HAL_DMA_ChannelMap(&HdmaCh3, DMA_CHANNEL_MAP_SPI2_RD); /* SPI2_RX DMA1_CH3 */
//    
//    /* DMA interrupt configuration*/
//    //  HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 1, 0);
//    //  HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
//     HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 1, 0);
//     HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
//  }
//}

/**
  * @brief Deinit SPI MSP
  */
//void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi)
//{
//  if (hspi->Instance == SPI2)
//  {
//    /* Reset SPI peripheral */
//    __HAL_RCC_SPI2_FORCE_RESET();
//    __HAL_RCC_SPI2_RELEASE_RESET();

//    /* Disable SPI and GPIO clock */
//    /* Deinit SPI SCK */
//    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_15);

//    HAL_NVIC_DisableIRQ(SPI2_IRQn);

//    HAL_DMA_DeInit(&HdmaCh2);
//    HAL_NVIC_DisableIRQ(DMA1_Channel2_IRQn);

//  }
//}
#if 1
void SPItest(void *pvParamters)
{
	uint8_t i = 0;
  for(;;)
  {
		for(i = 0;i<15;i++)
		{
			TxBuff[i] = i+1;
		}
		HAL_GPIO_TogglePin(GPIOA,GPIO_PIN_7);
    HAL_SPI_Transmit_DMA(&Spi2Handle, &TxBuff[0], DATA_LENGTH);
//    HAL_SPI_Transmit(&Spi2Handle, &TxBuff[0],DATA_LENGTH, 5000);
    vTaskDelay(100);
  }
}
#endif

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