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Merge pull request #1890 from bcostm/fix_f0_force_serial_reset 

[STM32F0] Add USART force/release Reset at Init phase
pull/1816/merge
Martin Kojtal 2016-06-16 17:10:30 +02:00 committed by GitHub
parent b79e95ab7e 7e486d8d3b
commit 42bc1a43ee
1 changed files with 24 additions and 8 deletions
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32
hal/targets/hal/TARGET_STM/TARGET_STM32F0/serial_api.c
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@ -101,55 +101,71 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) {
// Enable USART clock
if (obj->uart == UART_1) {
__USART1_CLK_ENABLE();
__HAL_RCC_USART1_FORCE_RESET();
__HAL_RCC_USART1_RELEASE_RESET();
__HAL_RCC_USART1_CLK_ENABLE();
obj->index = 0;
}
#if defined USART2_BASE
if (obj->uart == UART_2) {
__USART2_CLK_ENABLE();
__HAL_RCC_USART2_FORCE_RESET();
__HAL_RCC_USART2_RELEASE_RESET();
__HAL_RCC_USART2_CLK_ENABLE();
obj->index = 1;
}
#endif
#if defined USART3_BASE
if (obj->uart == UART_3) {
__USART3_CLK_ENABLE();
__HAL_RCC_USART3_FORCE_RESET();
__HAL_RCC_USART3_RELEASE_RESET();
__HAL_RCC_USART3_CLK_ENABLE();
obj->index = 2;
}
#endif
#if defined USART4_BASE
if (obj->uart == UART_4) {
__USART4_CLK_ENABLE();
__HAL_RCC_USART4_FORCE_RESET();
__HAL_RCC_USART4_RELEASE_RESET();
__HAL_RCC_USART4_CLK_ENABLE();
obj->index = 3;
}
#endif
#if defined USART5_BASE
if (obj->uart == UART_5) {
__USART5_CLK_ENABLE();
__HAL_RCC_USART5_FORCE_RESET();
__HAL_RCC_USART5_RELEASE_RESET();
__HAL_RCC_USART5_CLK_ENABLE();
obj->index = 4;
}
#endif
#if defined USART6_BASE
if (obj->uart == UART_6) {
__USART6_CLK_ENABLE();
__HAL_RCC_USART6_FORCE_RESET();
__HAL_RCC_USART6_RELEASE_RESET();
__HAL_RCC_USART6_CLK_ENABLE();
obj->index = 5;
}
#endif
#if defined USART7_BASE
if (obj->uart == UART_7) {
__USART7_CLK_ENABLE();
__HAL_RCC_USART7_FORCE_RESET();
__HAL_RCC_USART7_RELEASE_RESET();
__HAL_RCC_USART7_CLK_ENABLE();
obj->index = 6;
}
#endif
#if defined USART8_BASE
if (obj->uart == UART_8) {
__USART8_CLK_ENABLE();
__HAL_RCC_USART8_FORCE_RESET();
__HAL_RCC_USART8_RELEASE_RESET();
__HAL_RCC_USART8_CLK_ENABLE();
obj->index = 7;
}
#endif