提交 0b1b5497 编写于 作者: armink_ztl's avatar armink_ztl

[bsp][stm32f429-apollo] Disable the SPI DMA mode. It has some problem when...

[bsp][stm32f429-apollo] Disable the SPI DMA mode. It has some problem when using big data transmission.
上级 62ed2b9d
......@@ -526,6 +526,7 @@ struct stm32f4_spi stm32f4_spi5 =
/* .spi_handle = */{
/* .Instance = */ SPI5,
},
#ifdef SPI_USE_DMA
/* .hdma_rx = */ {
DMA2_Stream3,
DMA_CHANNEL_2,
......@@ -537,6 +538,7 @@ struct stm32f4_spi stm32f4_spi5 =
DMA_CHANNEL_2,
},
/* .hdma_tx_irq = */ DMA2_Stream4_IRQn,
#endif /* SPI_USE_DMA */
};
static struct rt_spi_bus spi5_bus;
......@@ -703,6 +705,7 @@ rt_err_t stm32_spi_bus_register(SPI_TypeDef * SPI,
return RT_ENOSYS;
}
#ifdef SPI_USE_DMA
/* Configure the DMA handler for Transmission process */
p_spi_bus->hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
p_spi_bus->hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
......@@ -727,6 +730,7 @@ rt_err_t stm32_spi_bus_register(SPI_TypeDef * SPI,
p_spi_bus->hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
p_spi_bus->hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
p_spi_bus->hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
#endif /* SPI_USE_DMA */
spi_bus->parent.user_data = &stm32f4_spi5;
......
......@@ -20,7 +20,7 @@
#include "stm32f4xx_hal.h"
#define SPI_USE_DMA
//#define SPI_USE_DMA
struct stm32f4_spi
{
......
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