OrgApache/incubator-nuttx
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incubator-nuttx
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If serial DMA enabled, re-initialize serial console 

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5106 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-09-07 13:35:58 +00:00
parent bc6a1aae2b
commit 931d7909f5
2 changed files with 25 additions and 1 deletions
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9
arch/arm/src/stm32/stm32_serial.c
View File

@ -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 */

17
arch/arm/src/stm32/stm32_uart.h
View File

@ -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