Set USART baud rate.
int32_t usart_async_set_baud_rate( struct usart_async_descriptor *const descr, const uint32_t baud_rate )
Type: struct usart_async_descriptor Struct *const
A USART descriptor which is used to communicate via USART
Type: const uint32_t
A baud rate to set
Type: int32_t
The status of baud rate setting.