diff options
| author | Damien George <damien.p.george@gmail.com> | 2018-12-10 10:58:08 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-12-10 16:21:50 +1100 |
| commit | e0c24325034244a89f608459cc6ace09c142fcf1 (patch) | |
| tree | 0d7780fe7d8177dc56c8d7a3fcfbc2cf46f9df14 | |
| parent | bc3f0dddac3ae680eead8c6447af20167a4368ff (diff) | |
stm32/uart: Simplify deinit of UART, no need to call HAL.
The HAL just clears UE and then clears all the UART control registers.
| -rw-r--r-- | ports/stm32/uart.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/ports/stm32/uart.c b/ports/stm32/uart.c index 061738181..4882ebafb 100644 --- a/ports/stm32/uart.c +++ b/ports/stm32/uart.c @@ -332,10 +332,10 @@ void uart_set_rxbuf(pyb_uart_obj_t *self, size_t len, void *buf) { void uart_deinit(pyb_uart_obj_t *self) { self->is_enabled = false; - UART_HandleTypeDef huart; - huart.Instance = self->uartx; - HAL_UART_DeInit(&huart); + // Disable UART + self->uartx->CR1 &= ~USART_CR1_UE; + // Reset and turn off the UART peripheral if (self->uart_id == 1) { HAL_NVIC_DisableIRQ(USART1_IRQn); __HAL_RCC_USART1_FORCE_RESET(); |