avr-fw-modules/core/src/usart_configure.c

#include <io/usart.h>
#include <sys/errno.h>

int	usart_configure(uint8_t usart,uint32_t baud,uint32_t config)
{
	usart_t *u = usart_device_get(usart);
	if (u){
		return (u->configure) ? (u->configure(u,baud,config)) : -ENULLPTR;
	};
	return -ENOFILE;
};