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Merge pull request #433 from madcowswe/SPI_DMA_Fix

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Fix SPI DMA with different SPI transfer sizes
This commit is contained in:
samuelsadok
2020-07-03 23:37:01 +02:00
committed by GitHub
parent 2571ab308d 9360c5df65
commit a3ecc7c883
1 changed files with 16 additions and 4 deletions
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Firmware/Board/v3/Src/spi.c
+16 -4
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@@ -115,8 +115,15 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
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;
if(spiHandle->Init.DataSize == SPI_DATASIZE_8BIT){
hdma_spi3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_spi3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
} else {
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_MEDIUM;
hdma_spi3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
@@ -133,8 +140,13 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
hdma_spi3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_spi3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_spi3_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_spi3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_spi3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
if (spiHandle->Init.DataSize == SPI_DATASIZE_8BIT) {
hdma_spi3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_spi3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
} else {
hdma_spi3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
hdma_spi3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
}
hdma_spi3_rx.Init.Mode = DMA_NORMAL;
hdma_spi3_rx.Init.Priority = DMA_PRIORITY_MEDIUM;
hdma_spi3_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;