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/* Includes ------------------------------------------------------------------*/
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#include "ALLinclude.h"
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#define DATA_LENGTH 15
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/* Private variables ---------------------------------------------------------*/
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SPI_HandleTypeDef Spi2Handle;
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uint8_t TxBuff[15] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
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uint8_t RxBuff[15] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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DMA_HandleTypeDef HdmaCh2;
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// DMA_HandleTypeDef HdmaCh3;
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void Driver_SPIInit(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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__HAL_RCC_GPIOB_CLK_ENABLE(); /* Enable GPIOB clock */
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__HAL_RCC_GPIOA_CLK_ENABLE(); /* Enable GPIOA clock */
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__HAL_RCC_SYSCFG_CLK_ENABLE(); /* Enable SYSCFG clock */
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__HAL_RCC_SPI2_CLK_ENABLE(); /* Enable SPI2 clock */
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__HAL_RCC_DMA1_CLK_ENABLE(); /* Enable DMA clock */
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/*SCK*/
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GPIO_InitStruct.Pin = GPIO_PIN_13;
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if (Spi2Handle.Init.CLKPolarity == SPI_POLARITY_LOW)
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{
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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}
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else
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{
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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}
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* SPI NSS*/
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GPIO_InitStruct.Pin = GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* GPIO configured as SPI：MISO/MOSI*/
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// GPIO_InitStruct.Pin = GPIO_PIN_15 | GPIO_PIN_14;
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GPIO_InitStruct.Pin = GPIO_PIN_15 ;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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/* Interrupt configuration */
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HAL_NVIC_SetPriority(SPI2_IRQn, 1, 0);
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HAL_NVIC_EnableIRQ(SPI2_IRQn);
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/* DMA_CH1 configuration */
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HdmaCh2.Instance = DMA1_Channel1;
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HdmaCh2.Init.Direction = DMA_MEMORY_TO_PERIPH;
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HdmaCh2.Init.PeriphInc = DMA_PINC_DISABLE;
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HdmaCh2.Init.MemInc = DMA_MINC_ENABLE;
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if (Spi2Handle.Init.DataSize <= SPI_DATASIZE_8BIT)
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{
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HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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HdmaCh2.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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}
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else
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{
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HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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HdmaCh2.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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}
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HdmaCh2.Init.Mode = DMA_NORMAL;
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HdmaCh2.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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/* Initialize DMA */
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//HAL_DMA_DeInit(&HdmaCh2);
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HAL_DMA_Init(&HdmaCh2);
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__HAL_LINKDMA(&Spi2Handle, hdmatx, HdmaCh2);
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/* Set DMA channel map. */
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HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI1_TX DMA1_CH2 */
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/* DMA handle is associated with SPI handle */
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HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 1, 0);
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HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
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/* De-Initialize the SPI peripheral */
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Spi2Handle.Instance = SPI2; /* SPI2 */
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Spi2Handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; /* prescaler :256 */
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Spi2Handle.Init.Direction = SPI_DIRECTION_2LINES; /* full duplex */
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Spi2Handle.Init.CLKPolarity = SPI_POLARITY_LOW; /* SPI Clock Polarity: low */
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Spi2Handle.Init.CLKPhase = SPI_PHASE_1EDGE ; /* Data sampling starts at the first clock edge */
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Spi2Handle.Init.DataSize = SPI_DATASIZE_8BIT; /* SPI Data Size is 8 bit */
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Spi2Handle.Init.FirstBit = SPI_FIRSTBIT_MSB; /* SPI MSB Transmission */
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Spi2Handle.Init.NSS = SPI_NSS_HARD_OUTPUT; /* NSS Hardware mode */
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Spi2Handle.Init.Mode = SPI_MODE_MASTER; /* Configure as host */
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Spi2Handle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; /* The CRC check is disabled */
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/* Spi1Handle.Init.CRCPolynomial = 1; */ /* CRC polynomial value */
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if (HAL_SPI_DeInit(&Spi2Handle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Initialize SPI peripheral */
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if (HAL_SPI_Init(&Spi2Handle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Transmit and Receive an amount of data in non-blocking mode with DMA */
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//HAL_SPI_Transmit_DMA
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// if (HAL_SPI_Transmit_DMA(&Spi2Handle, (uint8_t *)TxBuff, DATA_LENGTH) != HAL_OK)
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// //if (HAL_SPI_TransmitReceive_DMA(&Spi2Handle, (uint8_t *)TxBuff, (uint8_t *)RxBuff, DATA_LENGTH) != HAL_OK)
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// {
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// APP_ErrorHandler();
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// }
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}
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/**
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* @brief Initialize SPI related MSP
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*/
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//void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
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//{
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// GPIO_InitTypeDef GPIO_InitStruct = {0};
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// /* Initialize SPI1 */
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// if (hspi->Instance == SPI2)
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// {
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// __HAL_RCC_GPIOB_CLK_ENABLE(); /* Enable GPIOB clock */
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// __HAL_RCC_GPIOA_CLK_ENABLE(); /* Enable GPIOA clock */
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// __HAL_RCC_SYSCFG_CLK_ENABLE(); /* Enable SYSCFG clock */
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// __HAL_RCC_SPI2_CLK_ENABLE(); /* Enable SPI2 clock */
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// __HAL_RCC_DMA1_CLK_ENABLE(); /* Enable DMA clock */
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//
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// /*
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// PB13-SCK (AF3)
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// //PB14-MISO(AF3)
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// PB15-MOSI(AF3)
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// PB12-NSS(AF3)
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// */
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// /*SCK*/
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// GPIO_InitStruct.Pin = GPIO_PIN_13;
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// if (hspi->Init.CLKPolarity == SPI_POLARITY_LOW)
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// {
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// GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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// }
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// else
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// {
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// GPIO_InitStruct.Pull = GPIO_PULLUP;
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// }
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// GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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// GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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// GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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// HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// /* SPI NSS*/
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// GPIO_InitStruct.Pin = GPIO_PIN_12;
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// GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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// GPIO_InitStruct.Pull = GPIO_PULLUP;
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// GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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// GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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// HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// /* GPIO configured as SPI：MISO/MOSI*/
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// // GPIO_InitStruct.Pin = GPIO_PIN_15 | GPIO_PIN_14;
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// GPIO_InitStruct.Pin = GPIO_PIN_15 ;
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// GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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// GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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// GPIO_InitStruct.Alternate = GPIO_AF3_SPI2;
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// HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// /* Interrupt configuration */
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// HAL_NVIC_SetPriority(SPI2_IRQn, 1, 0);
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// HAL_NVIC_EnableIRQ(SPI2_IRQn);
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// /* DMA_CH2 configuration */
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// HdmaCh2.Instance = DMA1_Channel2;
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// HdmaCh2.Init.Direction = DMA_MEMORY_TO_PERIPH;
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// HdmaCh2.Init.PeriphInc = DMA_PINC_DISABLE;
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// HdmaCh2.Init.MemInc = DMA_MINC_ENABLE;
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// if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT)
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// {
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// HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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// HdmaCh2.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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// }
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// else
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// {
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// HdmaCh2.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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// HdmaCh2.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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// }
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// HdmaCh2.Init.Mode = DMA_NORMAL;
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// HdmaCh2.Init.Priority = DMA_PRIORITY_VERY_HIGH;
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// /* Initialize DMA */
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// //HAL_DMA_DeInit(&HdmaCh2);
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// HAL_DMA_Init(&HdmaCh2);
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// /* Set DMA channel map. */
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// HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI1_TX DMA1_CH2 */
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// /* DMA handle is associated with SPI handle */
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// __HAL_LINKDMA(hspi, hdmatx, HdmaCh2);
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//#if 0
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// /* DMA_CH3 configuration */
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// HdmaCh3.Instance = DMA1_Channel3;
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// HdmaCh3.Init.Direction = DMA_PERIPH_TO_MEMORY;
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// HdmaCh3.Init.PeriphInc = DMA_PINC_DISABLE;
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// HdmaCh3.Init.MemInc = DMA_MINC_ENABLE;
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// if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT)
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// {
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// HdmaCh3.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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// HdmaCh3.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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// }
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// else
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// {
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// HdmaCh3.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
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// HdmaCh3.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
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// }
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// HdmaCh3.Init.Mode = DMA_NORMAL;
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// HdmaCh3.Init.Priority = DMA_PRIORITY_LOW;
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// /* Initialize DMA*/
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// HAL_DMA_Init(&HdmaCh3);
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// /* DMA handle is associated with SPI handle*/
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// __HAL_LINKDMA(hspi, hdmarx, HdmaCh3);
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//#endif
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// /* Set DMA channel map. */
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// //HAL_DMA_ChannelMap(&HdmaCh2, DMA_CHANNEL_MAP_SPI2_WR); /* SPI2_TX DMA1_CH2 */
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// //HAL_DMA_ChannelMap(&HdmaCh3, DMA_CHANNEL_MAP_SPI2_RD); /* SPI2_RX DMA1_CH3 */
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//
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// /* DMA interrupt configuration*/
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// // HAL_NVIC_SetPriority(DMA1_Channel3_IRQn, 1, 0);
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// // HAL_NVIC_EnableIRQ(DMA1_Channel3_IRQn);
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// HAL_NVIC_SetPriority(DMA1_Channel2_IRQn, 1, 0);
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// HAL_NVIC_EnableIRQ(DMA1_Channel2_IRQn);
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// }
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//}
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/**
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* @brief Deinit SPI MSP
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*/
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//void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi)
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//{
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// if (hspi->Instance == SPI2)
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// {
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// /* Reset SPI peripheral */
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// __HAL_RCC_SPI2_FORCE_RESET();
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// __HAL_RCC_SPI2_RELEASE_RESET();
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// /* Disable SPI and GPIO clock */
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// /* Deinit SPI SCK */
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// HAL_GPIO_DeInit(GPIOB, GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_15);
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// HAL_NVIC_DisableIRQ(SPI2_IRQn);
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// HAL_DMA_DeInit(&HdmaCh2);
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// HAL_NVIC_DisableIRQ(DMA1_Channel2_IRQn);
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// }
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//}
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#if 1
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void SPItest(void *pvParamters)
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{
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uint8_t i = 0;
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for(;;)
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{
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for(i = 0;i<15;i++)
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{
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TxBuff[i] = i+1;
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}
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HAL_GPIO_TogglePin(GPIOA,GPIO_PIN_7);
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HAL_SPI_Transmit_DMA(&Spi2Handle, &TxBuff[0], DATA_LENGTH);
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// HAL_SPI_Transmit(&Spi2Handle, &TxBuff[0],DATA_LENGTH, 5000);
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vTaskDelay(100);
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}
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}
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#endif
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/************************ (C) COPYRIGHT MS *****END OF FILE******************/
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