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stm32/uart: Add uart_set_baudrate function.

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This allows changing the baudrate of the UART without reinitialising it
(reinitialising can lead to spurious characters sent on the TX line).

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2021-02-03 16:18:35 +11:00
parent 7ed99544e4
commit d2a34c62e7
9 changed files with 23 additions and 4 deletions
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ports/stm32/uart.h
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@@ -86,6 +86,8 @@ void uart_irq_handler(mp_uint_t uart_id);
void uart_attach_to_repl(pyb_uart_obj_t *self, bool attached);
uint32_t uart_get_baudrate(pyb_uart_obj_t *self);
void uart_set_baudrate(pyb_uart_obj_t *self, uint32_t baudrate);
mp_uint_t uart_rx_any(pyb_uart_obj_t *uart_obj);
bool uart_rx_wait(pyb_uart_obj_t *self, uint32_t timeout);
int uart_rx_char(pyb_uart_obj_t *uart_obj);