libs/rt-thread
libs/rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[bsp][stm32] 增加uart7和uart8的DMA配置

Browse Source
This commit is contained in:
breederbai 2022-06-07 19:57:56 +08:00 committed by guo
parent f5c88add37
commit 21003c74ea
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
bsp/stm32/libraries/HAL_Drivers/drv_usart.c
View File

@ -909,6 +909,34 @@ static void stm32_uart_get_dma_config(void)
uart_config[UART6_INDEX].dma_tx = &uart6_dma_tx;
#endif
#endif
#ifdef BSP_USING_UART7
uart_obj[UART7_INDEX].uart_dma_flag = 0;
#ifdef BSP_UART7_RX_USING_DMA
uart_obj[UART7_INDEX].uart_dma_flag |= RT_DEVICE_FLAG_DMA_RX;
static struct dma_config uart7_dma_rx = UART7_DMA_RX_CONFIG;
uart_config[UART7_INDEX].dma_rx = &uart7_dma_rx;
#endif
#ifdef BSP_UART7_TX_USING_DMA
uart_obj[UART7_INDEX].uart_dma_flag |= RT_DEVICE_FLAG_DMA_TX;
static struct dma_config uart7_dma_tx = UART7_DMA_TX_CONFIG;
uart_config[UART7_INDEX].dma_tx = &uart7_dma_tx;
#endif
#endif
#ifdef BSP_USING_UART8
uart_obj[UART8_INDEX].uart_dma_flag = 0;
#ifdef BSP_UART8_RX_USING_DMA
uart_obj[UART8_INDEX].uart_dma_flag |= RT_DEVICE_FLAG_DMA_RX;
static struct dma_config uart8_dma_rx = UART8_DMA_RX_CONFIG;
uart_config[UART8_INDEX].dma_rx = &uart8_dma_rx;
#endif
#ifdef BSP_UART8_TX_USING_DMA
uart_obj[UART8_INDEX].uart_dma_flag |= RT_DEVICE_FLAG_DMA_TX;
static struct dma_config uart8_dma_tx = UART8_DMA_TX_CONFIG;
uart_config[UART8_INDEX].dma_tx = &uart8_dma_tx;
#endif
#endif
}
#ifdef RT_SERIAL_USING_DMA