/* * Example11_10.c * * Created: 04/26/2017 10:28:23 * Author: Naimi */ #include <avr/io.h> #define F_CPU 16000000UL #define BAUD_RATE 9600 void usart_init (void) { UCSR0B = (1<<TXEN0); UCSR0C = (1<< UCSZ01)|(1<<UCSZ00); UBRR0L = F_CPU/16/BAUD_RATE-1; //UBRR0L = 103; } void usart_send (unsigned char ch) { while (! (UCSR0A & (1<<UDRE0))); //wait until UDR0 is empty UDR0 = ch; //transmit ch } int main (void) { usart_init(); //initialize the USART while(1) //do forever usart_send ('G'); //transmit ā€˜Gā€™ letter return 0; }