diff options
| author | armink <[email protected]> | 2018-05-31 17:14:08 +0800 |
|---|---|---|
| committer | armink <[email protected]> | 2018-05-31 17:16:15 +0800 |
| commit | 0b1b5497426f6e2b15cd7f1ec5b1fe61defb5499 (patch) | |
| tree | 36e3ba1ffe565672303013c668c705a529dee5f7 | |
| parent | 62ed2b9d0f1eae6fe77afceca1ec4348d35aac8f (diff) | |
[bsp][stm32f429-apollo] Disable the SPI DMA mode. It has some problem when using big data transmission.
| -rw-r--r-- | bsp/stm32f429-apollo/drivers/drv_spi.c | 4 | ||||
| -rw-r--r-- | bsp/stm32f429-apollo/drivers/drv_spi.h | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/bsp/stm32f429-apollo/drivers/drv_spi.c b/bsp/stm32f429-apollo/drivers/drv_spi.c index e7b547cce2..a82454d907 100644 --- a/bsp/stm32f429-apollo/drivers/drv_spi.c +++ b/bsp/stm32f429-apollo/drivers/drv_spi.c @@ -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; diff --git a/bsp/stm32f429-apollo/drivers/drv_spi.h b/bsp/stm32f429-apollo/drivers/drv_spi.h index 8967b4b981..8c74fdb626 100644 --- a/bsp/stm32f429-apollo/drivers/drv_spi.h +++ b/bsp/stm32f429-apollo/drivers/drv_spi.h @@ -20,7 +20,7 @@ #include "stm32f4xx_hal.h" -#define SPI_USE_DMA +//#define SPI_USE_DMA struct stm32f4_spi { |