#include "stm32h7xx_ll_rcc.h"
#include "stm32h7xx_ll_bus.h"
#include "stm32h7xx_ll_gpio.h"
#include "stm32h7xx_ll_dma.h"
#include "stm32h7xx_ll_spi.h"


/**
  * @brief SPI1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_SPI1_Init(void)
{

	/* USER CODE BEGIN SPI1_Init 0 */

	/* USER CODE END SPI1_Init 0 */

	LL_SPI_InitTypeDef SPI_InitStruct = { 0 };

	LL_GPIO_InitTypeDef GPIO_InitStruct = { 0 };

	LL_RCC_SetSPIClockSource(LL_RCC_SPI123_CLKSOURCE_PLL1Q);

	/* Peripheral clock enable */
	LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_SPI1);

	LL_AHB4_GRP1_EnableClock(LL_AHB4_GRP1_PERIPH_GPIOA);
	/**SPI1 GPIO Configuration
	PA5   ------> SPI1_SCK
	PA6   ------> SPI1_MISO
	PA7   ------> SPI1_MOSI
	*/
	GPIO_InitStruct.Pin = LL_GPIO_PIN_5 | LL_GPIO_PIN_6 | LL_GPIO_PIN_7;
	GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
	GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
	GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
	GPIO_InitStruct.Pull = LL_GPIO_PULL_NO;
	GPIO_InitStruct.Alternate = LL_GPIO_AF_5;
	LL_GPIO_Init(GPIOA, &GPIO_InitStruct);

	/* SPI1 DMA Init */

	/* SPI1_RX Init */
	LL_DMA_SetPeriphRequest(DMA2, LL_DMA_STREAM_0, LL_DMAMUX1_REQ_SPI1_RX);

	LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY);

	LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_0, LL_DMA_PRIORITY_LOW);

	LL_DMA_SetMode(DMA2, LL_DMA_STREAM_0, LL_DMA_MODE_NORMAL);

	LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT);

	LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT);

	LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_BYTE);

	LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_BYTE);

	LL_DMA_DisableFifoMode(DMA2, LL_DMA_STREAM_0);

	/* SPI1_TX Init */
	LL_DMA_SetPeriphRequest(DMA2, LL_DMA_STREAM_1, LL_DMAMUX1_REQ_SPI1_TX);

	LL_DMA_SetDataTransferDirection(DMA2, LL_DMA_STREAM_1, LL_DMA_DIRECTION_MEMORY_TO_PERIPH);

	LL_DMA_SetStreamPriorityLevel(DMA2, LL_DMA_STREAM_1, LL_DMA_PRIORITY_LOW);

	LL_DMA_SetMode(DMA2, LL_DMA_STREAM_1, LL_DMA_MODE_NORMAL);

	LL_DMA_SetPeriphIncMode(DMA2, LL_DMA_STREAM_1, LL_DMA_PERIPH_NOINCREMENT);

	LL_DMA_SetMemoryIncMode(DMA2, LL_DMA_STREAM_1, LL_DMA_MEMORY_INCREMENT);

	LL_DMA_SetPeriphSize(DMA2, LL_DMA_STREAM_1, LL_DMA_PDATAALIGN_BYTE);

	LL_DMA_SetMemorySize(DMA2, LL_DMA_STREAM_1, LL_DMA_MDATAALIGN_BYTE);

	LL_DMA_DisableFifoMode(DMA2, LL_DMA_STREAM_1);

	/* SPI1 interrupt Init */
	NVIC_SetPriority(SPI1_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 0, 0));
	NVIC_EnableIRQ(SPI1_IRQn);

	/* USER CODE BEGIN SPI1_Init 1 */

	/* USER CODE END SPI1_Init 1 */
	/* SPI1 parameter configuration*/
	SPI_InitStruct.TransferDirection = LL_SPI_FULL_DUPLEX;
	SPI_InitStruct.Mode = LL_SPI_MODE_MASTER;
	SPI_InitStruct.DataWidth = LL_SPI_DATAWIDTH_4BIT;
	SPI_InitStruct.ClockPolarity = LL_SPI_POLARITY_LOW;
	SPI_InitStruct.ClockPhase = LL_SPI_PHASE_1EDGE;
	SPI_InitStruct.NSS = LL_SPI_NSS_SOFT;
	SPI_InitStruct.BaudRate = LL_SPI_BAUDRATEPRESCALER_DIV2;
	SPI_InitStruct.BitOrder = LL_SPI_MSB_FIRST;
	SPI_InitStruct.CRCCalculation = LL_SPI_CRCCALCULATION_DISABLE;
	SPI_InitStruct.CRCPoly = 0x0;
	LL_SPI_Init(SPI1, &SPI_InitStruct);
	LL_SPI_SetStandard(SPI1, LL_SPI_PROTOCOL_MOTOROLA);
	LL_SPI_EnableNSSPulseMgt(SPI1);
	/* USER CODE BEGIN SPI1_Init 2 */

	/* USER CODE END SPI1_Init 2 */

}