void USerial::begin(int speed) { this->speed = speed; uart_begin(port, speed); }
void putc(unsigned char c){ uart_begin(); uart_print_char(c); uart_end(); }
void putcln(unsigned char c){ uart_begin(); uart_print_char(c); uart_print_char(STR_NEWLINE); uart_end(); }
void putsln(unsigned char * str){ uart_print_str(str); uart_begin(); uart_print_char(STR_NEWLINE); uart_end(); }