diff options
Diffstat (limited to 'stm-uart.c')
| -rw-r--r-- | stm-uart.c | 15 |
1 files changed, 10 insertions, 5 deletions
@@ -43,8 +43,13 @@ UART_HandleTypeDef huart_user; /* USART2 */ DMA_HandleTypeDef hdma_usart_mgmt_rx; DMA_HandleTypeDef hdma_usart_user_rx; -#define DEFAULT_UART STM_UART_USER +static stm_uart_port_t default_uart = STM_UART_USER; +void uart_set_default(stm_uart_port_t port) +{ + if (port == STM_UART_USER || port == STM_UART_MGMT) + default_uart = port; +} inline UART_HandleTypeDef *_which_uart(stm_uart_port_t port) { @@ -60,7 +65,7 @@ inline UART_HandleTypeDef *_which_uart(stm_uart_port_t port) /* send a single character */ HAL_StatusTypeDef uart_send_char(uint8_t ch) { - return uart_send_char2(DEFAULT_UART, ch); + return uart_send_char2(default_uart, ch); } HAL_StatusTypeDef uart_send_char2(stm_uart_port_t port, uint8_t ch) @@ -71,7 +76,7 @@ HAL_StatusTypeDef uart_send_char2(stm_uart_port_t port, uint8_t ch) /* receive a single character */ HAL_StatusTypeDef uart_recv_char(uint8_t *cp) { - return uart_recv_char2(DEFAULT_UART, cp, HAL_MAX_DELAY); + return uart_recv_char2(default_uart, cp, HAL_MAX_DELAY); } /* receive a single character */ @@ -88,7 +93,7 @@ HAL_StatusTypeDef uart_recv_char2(stm_uart_port_t port, uint8_t *cp, uint32_t ti /* send a string */ HAL_StatusTypeDef uart_send_string(char *s) { - return uart_send_string2(DEFAULT_UART, s); + return uart_send_string2(default_uart, s); } /* send a string */ @@ -129,7 +134,7 @@ HAL_StatusTypeDef uart_receive_bytes(stm_uart_port_t port, uint8_t *buf, size_t */ HAL_StatusTypeDef uart_send_number(uint32_t num, uint8_t digits, uint8_t radix) { - return uart_send_number2(DEFAULT_UART, num, digits, radix); + return uart_send_number2(default_uart, num, digits, radix); } HAL_StatusTypeDef uart_send_number2(stm_uart_port_t port, uint32_t num, uint8_t digits, uint8_t radix) |