| 53,8 → 53,8 |
|---|
| * disable the txd pin of usart1 |
| */ |
| void usart1_DisableTXD(void) { |
| UCSR1B &= ~(1 << TXCIE1); // disable TX-Interrupt |
| UCSR1B &= ~(1 << TXEN1); // disable TXD in USART |
| //UCSR1B &= ~(1 << TXCIE1); // disable TX-Interrupt |
| UCSR1B &= ~(1 << TXEN1); // disable TX in USART |
| DDRB &= ~(1<<DDB3); // set TXD pin as input |
| PORTB &= ~(1 << PORTB3); |
| } |
| 66,7 → 66,7 |
|---|
| DDRB |= (1<<DDB3); // set TXD pin as output |
| PORTB &= ~(1 << PORTB3); |
| UCSR1B |= (1 << TXEN1); // enable TX in USART |
| UCSR1B |= (1 << TXCIE1); // disable TX-Interrupt |
| //UCSR1B |= (1 << TXCIE1); // enable TX-Interrupt |
| } |
| |
| |
| 90,6 → 90,13 |
|---|
| } |
| |
| /** |
| * transmit interrupt handler |
| * unused |
| */ |
| SIGNAL(SIG_USART1_DATA) { |
| } |
| |
| /** |
| * receive data through usart1 |
| * portions taken and adapted from |
| * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Fbranches%2FV0.72p+Code+Redesign+killagreg%2Fuart0.c |