diff options
| -rw-r--r-- | libmaple/usart.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libmaple/usart.h b/libmaple/usart.h index 9ba94bd..1cfba96 100644 --- a/libmaple/usart.h +++ b/libmaple/usart.h @@ -228,7 +228,9 @@ typedef struct usart_reg_map { * Devices */ +#ifndef USART_RX_BUF_SIZE #define USART_RX_BUF_SIZE 64 +#endif /** USART device type */ typedef struct usart_dev { |