diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_uart.h')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_uart.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_uart.h b/nuttx/arch/arm/src/stm32/stm32_uart.h index a70923cbf..8ff6a9975 100644 --- a/nuttx/arch/arm/src/stm32/stm32_uart.h +++ b/nuttx/arch/arm/src/stm32/stm32_uart.h @@ -223,6 +223,20 @@ # undef SERIAL_HAVE_ONLY_DMA #endif +/* Is RS-485 used? */ + +#if defined(CONFIG_USART1_RS485) || defined(CONFIG_USART2_RS485) || \ + defined(CONFIG_USART3_RS485) || defined(CONFIG_UART4_RS485) || \ + defined(CONFIG_UART5_RS485) || defined(CONFIG_USART6_RS485) +# define HAVE_RS485 1 +#endif + +#ifdef HAVE_RS485 +# define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE | USART_CR1_TCIE) +#else +# define USART_CR1_USED_INTS (USART_CR1_RXNEIE | USART_CR1_TXEIE | USART_CR1_PEIE) +#endif + /************************************************************************************ * Public Types ************************************************************************************/ |