diff options
| -rw-r--r-- | ports/stm32/uart.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/ports/stm32/uart.c b/ports/stm32/uart.c index d40a883c52..36c59cee4a 100644 --- a/ports/stm32/uart.c +++ b/ports/stm32/uart.c @@ -711,16 +711,11 @@ uint32_t uart_get_source_freq(pyb_uart_obj_t *self) { } uint32_t uart_get_baudrate(pyb_uart_obj_t *self) { - // This formula assumes UART_OVERSAMPLING_16 - uint32_t source_freq = uart_get_source_freq(self); - #if defined(LPUART1) - if (self->uart_id == PYB_LPUART_1) { - return source_freq / (self->uartx->BRR >> 8); - } else - #endif - { - return source_freq / self->uartx->BRR; - } + return LL_USART_GetBaudRate(self->uartx, uart_get_source_freq(self), + #if defined(STM32H7) || defined(STM32WB) + self->uartx->PRESC, + #endif + LL_USART_OVERSAMPLING_16); } void uart_set_baudrate(pyb_uart_obj_t *self, uint32_t baudrate) { |