diff options
Diffstat (limited to 'bsp/stm32f429-apollo/drivers/drv_spi.c')
| -rw-r--r-- | bsp/stm32f429-apollo/drivers/drv_spi.c | 4 |
1 files changed, 4 insertions, 0 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; |