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stm32/uart: Fix H7 UART clock source configuration.

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Previously to this commit, Usart16ClockSelection was overwritten and
Usart234578ClockSelection was not set.
This commit is contained in:
iabdalkader 2021-04-27 00:54:21 +02:00 committed by Damien George
parent 4dc802400f
commit a708848b0c
1 changed files with 3 additions and 9 deletions
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12
ports/stm32/uart.c
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@ -118,16 +118,10 @@ STATIC const pyb_uart_irq_map_t mp_uart_irq_map[] = {
void uart_init0(void) { void uart_init0(void) {
#if defined(STM32H7) #if defined(STM32H7)
RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit = {0}; RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit = {0};
// Configure USART1/6 clock source // Configure USART1/6 and USART2/3/4/5/7/8 clock sources
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART16; RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART16 | RCC_PERIPHCLK_USART234578;
RCC_PeriphClkInit.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2; RCC_PeriphClkInit.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2;
if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) { RCC_PeriphClkInit.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
__fatal_error("HAL_RCCEx_PeriphCLKConfig");
}
// Configure USART2/3/4/5/7/8 clock source
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART234578;
RCC_PeriphClkInit.Usart16ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) { if (HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit) != HAL_OK) {
__fatal_error("HAL_RCCEx_PeriphCLKConfig"); __fatal_error("HAL_RCCEx_PeriphCLKConfig");
} }