// Main program: USART0: send & receive
int main( void )
{
DDRB = 0xFF; // set PORTB for output, for testing
DDRA = 0xFF; // set PORTA for output, for testing
usart0_init(); // initialize USART0
usart0_start(); // uart0: start send & receive
while (1)
{
wait(50); // every 50 ms (busy waiting)
PORTB ^= BIT(7); // toggle bit 7 for testing
character = uart0_receiveChar(); // read char
PORTA = character; // show read character, for testing
uart0_sendChar(character); // send back
}
}
// send/receive uart - dB-meter
int main( void )
{
char buffer[16]; // declare string buffer
init_Lcd_4_bit_mode(); // initialize LCD-display
usart0_init(); // initialize USART0
usart0_start();
display_text("Hallo");
set_cursor(0);
while (1)
{
wait(150); // every 50 ms (busy waiting)
//PORTB ^= BIT(7); // toggle bit 7 for testing
uart0_receiveString( buffer ); // receive string from uart
// write string to LCD display
display_text(buffer);
set_cursor(0);
}
}
