diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_serial.c | 9 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_uart.h | 17 |
2 files changed, 25 insertions, 1 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_serial.c b/nuttx/arch/arm/src/stm32/stm32_serial.c index b90e4ee97..45d685823 100644 --- a/nuttx/arch/arm/src/stm32/stm32_serial.c +++ b/nuttx/arch/arm/src/stm32/stm32_serial.c @@ -1835,7 +1835,14 @@ void up_serialinit(void) #if CONSOLE_UART > 0 (void)uart_register("/dev/console", &uart_devs[CONSOLE_UART - 1]->dev); (void)uart_register("/dev/ttyS0", &uart_devs[CONSOLE_UART - 1]->dev); -#endif + + /* If we need to re-initialise the console to enable DMA do that here. */ + +# ifdef SERIAL_HAVE_CONSOLE_DMA + up_dma_setup(&uart_devs[CONSOLE_UART - 1]->dev); +# endif + +#endif /* CONSOLE_UART > 0 */ /* Register all remaining USARTs */ diff --git a/nuttx/arch/arm/src/stm32/stm32_uart.h b/nuttx/arch/arm/src/stm32/stm32_uart.h index f51265b18..7888d6316 100644 --- a/nuttx/arch/arm/src/stm32/stm32_uart.h +++ b/nuttx/arch/arm/src/stm32/stm32_uart.h @@ -189,6 +189,23 @@ # define SERIAL_HAVE_DMA 1 #endif +/* Is DMA used on the console UART? */ + +#undef SERIAL_HAVE_CONSOLE_DMA +#if defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_USART1_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_USART2_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#elif defined(CONFIG_USART3_SERIAL_CONSOLE) && defined(CONFIG_USART3_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#elif defined(CONFIG_UART4_SERIAL_CONSOLE) && !efined(CONFIG_UART4_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#elif defined(CONFIG_UART5_SERIAL_CONSOLE) && defined(CONFIG_UART5_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#elif defined(CONFIG_USART6_SERIAL_CONSOLE) && !efined(CONFIG_USART6_RXDMA) +# define SERIAL_HAVE_CONSOLE_DMA 1 +#endif + /* Is DMA used on all (enabled) USARTs */ #define SERIAL_HAVE_ONLY_DMA 1 |