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stm32/uart: Simplify deinit of UART, no need to call HAL.

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The HAL just clears UE and then clears all the UART control registers.
This commit is contained in:
Damien George 2018-12-10 10:58:08 +11:00
parent bc3f0dddac
commit e0c2432503
1 changed files with 3 additions and 3 deletions
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6
ports/stm32/uart.c
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@ -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) { void uart_deinit(pyb_uart_obj_t *self) {
self->is_enabled = false; self->is_enabled = false;
UART_HandleTypeDef huart; // Disable UART
huart.Instance = self->uartx; self->uartx->CR1 &= ~USART_CR1_UE;
HAL_UART_DeInit(&huart);
// Reset and turn off the UART peripheral
if (self->uart_id == 1) { if (self->uart_id == 1) {
HAL_NVIC_DisableIRQ(USART1_IRQn); HAL_NVIC_DisableIRQ(USART1_IRQn);
__HAL_RCC_USART1_FORCE_RESET(); __HAL_RCC_USART1_FORCE_RESET();