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stm32: usart_common_all: Implement usart_get_baudrate

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* Handle OVER8 when set, as 2x clock
* Handle LPUART specially, as 256x clock, without overflowing uint32_t
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ALTracer
2024-08-17 12:26:50 +03:00
committed by Rachel Mant
parent 9059ec1a42
commit cb1fe86008
2 changed files with 38 additions and 0 deletions
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include/libopencm3/stm32/common/usart_common_all.h
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@@ -99,6 +99,7 @@ specific memorymap.h header before including this header file.*/
BEGIN_DECLS
void usart_set_baudrate(uint32_t usart, uint32_t baud);
uint32_t usart_get_baudrate(uint32_t usart);
void usart_set_databits(uint32_t usart, uint32_t bits);
uint32_t usart_get_databits(uint32_t usart);
void usart_set_stopbits(uint32_t usart, uint32_t stopbits);