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

This commit is contained in:
armink 2018-05-31 17:14:08 +08:00
parent 62ed2b9d0f
commit 0b1b549742
2 changed files with 5 additions and 1 deletions
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4
bsp/stm32f429-apollo/drivers/drv_spi.c
View File

@ -526,6 +526,7 @@ struct stm32f4_spi stm32f4_spi5 =
/* .spi_handle = */{ /* .spi_handle = */{
/* .Instance = */ SPI5, /* .Instance = */ SPI5,
}, },
#ifdef SPI_USE_DMA
/* .hdma_rx = */ { /* .hdma_rx = */ {
DMA2_Stream3, DMA2_Stream3,
DMA_CHANNEL_2, DMA_CHANNEL_2,
@ -537,6 +538,7 @@ struct stm32f4_spi stm32f4_spi5 =
DMA_CHANNEL_2, DMA_CHANNEL_2,
}, },
/* .hdma_tx_irq = */ DMA2_Stream4_IRQn, /* .hdma_tx_irq = */ DMA2_Stream4_IRQn,
#endif /* SPI_USE_DMA */
}; };
static struct rt_spi_bus spi5_bus; static struct rt_spi_bus spi5_bus;
@ -703,6 +705,7 @@ rt_err_t stm32_spi_bus_register(SPI_TypeDef * SPI,
return RT_ENOSYS; return RT_ENOSYS;
} }
#ifdef SPI_USE_DMA
/* Configure the DMA handler for Transmission process */ /* Configure the DMA handler for Transmission process */
p_spi_bus->hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; p_spi_bus->hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
p_spi_bus->hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE; 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.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
p_spi_bus->hdma_rx.Init.MemBurst = DMA_MBURST_INC4; p_spi_bus->hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
p_spi_bus->hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4; p_spi_bus->hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
#endif /* SPI_USE_DMA */
spi_bus->parent.user_data = &stm32f4_spi5; spi_bus->parent.user_data = &stm32f4_spi5;

2
bsp/stm32f429-apollo/drivers/drv_spi.h
View File

@ -20,7 +20,7 @@
#include "stm32f4xx_hal.h" #include "stm32f4xx_hal.h"
#define SPI_USE_DMA //#define SPI_USE_DMA
struct stm32f4_spi struct stm32f4_spi
{ {