diff options
Diffstat (limited to 'ports/stm32/uart.h')
| -rw-r--r-- | ports/stm32/uart.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/ports/stm32/uart.h b/ports/stm32/uart.h index fb7768db2..97781522c 100644 --- a/ports/stm32/uart.h +++ b/ports/stm32/uart.h @@ -43,7 +43,7 @@ typedef enum { typedef struct _pyb_uart_obj_t { mp_obj_base_t base; - UART_HandleTypeDef uart; // this is 17 words big + USART_TypeDef *uartx; IRQn_Type irqn; pyb_uart_t uart_id : 8; bool is_enabled : 1; @@ -63,7 +63,7 @@ extern const mp_obj_type_t pyb_uart_type; void uart_init0(void); void uart_deinit_all(void); bool uart_exists(int uart_id); -bool uart_init2(pyb_uart_obj_t *uart_obj); +bool uart_init2(pyb_uart_obj_t *uart_obj, UART_InitTypeDef *init); void uart_set_rxbuf(pyb_uart_obj_t *self, size_t len, void *buf); void uart_deinit(pyb_uart_obj_t *uart_obj); void uart_irq_handler(mp_uint_t uart_id); @@ -77,4 +77,12 @@ bool uart_tx_wait(pyb_uart_obj_t *self, uint32_t timeout); size_t uart_tx_data(pyb_uart_obj_t *self, const void *src_in, size_t num_chars, int *errcode); void uart_tx_strn(pyb_uart_obj_t *uart_obj, const char *str, uint len); +static inline bool uart_tx_avail(pyb_uart_obj_t *self) { + #if defined(STM32F4) + return self->uartx->SR & USART_SR_TXE; + #else + return self->uartx->ISR & USART_ISR_TXE; + #endif +} + #endif // MICROPY_INCLUDED_STM32_UART_H |