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| Rev 346 | Rev 387 | ||
|---|---|---|---|
| Line 51... | Line 51... | ||
| 51 | 51 | ||
| 52 | /** |
52 | /** |
| 53 | * disable the txd pin of usart1 |
53 | * disable the txd pin of usart1 |
| 54 | */ |
54 | */ |
| 55 | void usart1_DisableTXD(void) { |
55 | void usart1_DisableTXD(void) { |
| 56 | UCSR1B &= ~(1 << TXCIE1); // disable TX-Interrupt |
56 | //UCSR1B &= ~(1 << TXCIE1); // disable TX-Interrupt |
| 57 | UCSR1B &= ~(1 << TXEN1); // disable TXD in USART |
57 | UCSR1B &= ~(1 << TXEN1); // disable TX in USART |
| 58 | DDRB &= ~(1<<DDB3); // set TXD pin as input |
58 | DDRB &= ~(1<<DDB3); // set TXD pin as input |
| 59 | PORTB &= ~(1 << PORTB3); |
59 | PORTB &= ~(1 << PORTB3); |
| Line 60... | Line 60... | ||
| 60 | } |
60 | } |
| Line 64... | Line 64... | ||
| 64 | */ |
64 | */ |
| 65 | void usart1_EnableTXD(void) { |
65 | void usart1_EnableTXD(void) { |
| 66 | DDRB |= (1<<DDB3); // set TXD pin as output |
66 | DDRB |= (1<<DDB3); // set TXD pin as output |
| 67 | PORTB &= ~(1 << PORTB3); |
67 | PORTB &= ~(1 << PORTB3); |
| 68 | UCSR1B |= (1 << TXEN1); // enable TX in USART |
68 | UCSR1B |= (1 << TXEN1); // enable TX in USART |
| 69 | UCSR1B |= (1 << TXCIE1); // disable TX-Interrupt |
69 | //UCSR1B |= (1 << TXCIE1); // enable TX-Interrupt |
| 70 | } |
70 | } |
| Line 71... | Line 71... | ||
| 71 | 71 | ||
| 72 | 72 | ||
| Line 88... | Line 88... | ||
| 88 | s++; |
88 | s++; |
| 89 | } |
89 | } |
| 90 | } |
90 | } |
| Line 91... | Line 91... | ||
| 91 | 91 | ||
| - | 92 | /** |
|
| - | 93 | * transmit interrupt handler |
|
| - | 94 | * unused |
|
| - | 95 | */ |
|
| - | 96 | SIGNAL(SIG_USART1_DATA) { |
|
| - | 97 | } |
|
| - | 98 | ||
| 92 | /** |
99 | /** |
| 93 | * receive data through usart1 |
100 | * receive data through usart1 |
| 94 | * portions taken and adapted from |
101 | * portions taken and adapted from |
| 95 | * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Fbranches%2FV0.72p+Code+Redesign+killagreg%2Fuart0.c |
102 | * http://svn.mikrokopter.de/mikrowebsvn/filedetails.php?repname=FlightCtrl&path=%2Fbranches%2FV0.72p+Code+Redesign+killagreg%2Fuart0.c |
| 96 | */ |
103 | */ |
| Line 237... | Line 244... | ||
| 237 | // re-enable TXD pin |
244 | // re-enable TXD pin |
| 238 | usart1_EnableTXD(); |
245 | usart1_EnableTXD(); |
| Line 239... | Line 246... | ||
| 239 | 246 | ||
| 240 | unsigned char mstenth = ms/10; |
247 | unsigned char mstenth = ms/10; |
| 241 | sendMKData(label, address, &mstenth, 1); |
248 | sendMKData(label, address, &mstenth, 1); |
| 242 | 249 | ||
| 243 | // disable TXD pin again |
250 | // disable TXD pin again |
| 244 | usart1_DisableTXD(); |
251 | usart1_DisableTXD(); |