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SPIPWM the LEDs

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This commit is contained in:
Jasper Blanckenburg
2023-03-24 21:12:03 +01:00
parent 04b95a19d1
commit 3b2dac7240
13 changed files with 463 additions and 37 deletions
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38
Core/Src/stm32h7xx_hal_msp.c
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@ -23,6 +23,7 @@
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
extern DMA_HandleTypeDef hdma_spi3_tx;
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */
@ -627,7 +628,15 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
/** Initializes the peripherals clock
*/
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI3;
PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL;
PeriphClkInitStruct.PLL2.PLL2M = 2;
PeriphClkInitStruct.PLL2.PLL2N = 11;
PeriphClkInitStruct.PLL2.PLL2P = 66;
PeriphClkInitStruct.PLL2.PLL2Q = 3;
PeriphClkInitStruct.PLL2.PLL2R = 2;
PeriphClkInitStruct.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_3;
PeriphClkInitStruct.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
PeriphClkInitStruct.PLL2.PLL2FRACN = 0;
PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_PLL2;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
@ -648,6 +657,28 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* SPI3 DMA Init */
/* SPI3_TX Init */
hdma_spi3_tx.Instance = DMA1_Stream0;
hdma_spi3_tx.Init.Request = DMA_REQUEST_SPI3_TX;
hdma_spi3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_spi3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_spi3_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_spi3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_spi3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_spi3_tx.Init.Mode = DMA_NORMAL;
hdma_spi3_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_spi3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
if (HAL_DMA_Init(&hdma_spi3_tx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(hspi,hdmatx,hdma_spi3_tx);
/* SPI3 interrupt Init */
HAL_NVIC_SetPriority(SPI3_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(SPI3_IRQn);
/* USER CODE BEGIN SPI3_MspInit 1 */
/* USER CODE END SPI3_MspInit 1 */
@ -677,6 +708,11 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
*/
HAL_GPIO_DeInit(GPIOC, LED_CP_Pin|LED_D_Pin);
/* SPI3 DMA DeInit */
HAL_DMA_DeInit(hspi->hdmatx);
/* SPI3 interrupt DeInit */
HAL_NVIC_DisableIRQ(SPI3_IRQn);
/* USER CODE BEGIN SPI3_MspDeInit 1 */
/* USER CODE END SPI3_MspDeInit 1 */