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| Rev 387 | Rev 389 | ||
|---|---|---|---|
| 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 TX 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); // disable pullup on TXD pin |
| Line 60... | Line 60... | ||
| 60 | } |
60 | } |
| 61 | 61 | ||
| 62 | /** |
62 | /** |
| 63 | * enable the txd pin of usart1 |
63 | * enable the txd pin of usart1 |
| 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); // disable pullup on TXD pin |
| 68 | UCSR1B |= (1 << TXEN1); // enable TX in USART |
68 | UCSR1B |= (1 << TXEN1); // enable TX in USART |
| Line 69... | Line -... | ||
| 69 | //UCSR1B |= (1 << TXCIE1); // enable TX-Interrupt |
- | |
| 70 | } |
69 | UCSR1B |= (1 << TXCIE1); // enable TX-Interrupt |
| 71 | 70 | } |
|
| 72 | 71 | ||
| 73 | /** |
72 | /** |
| 74 | * send a single <character> through usart1 |
73 | * send a single <character> through usart1 |
| Line 91... | Line 90... | ||
| 91 | 90 | ||
| 92 | /** |
91 | /** |
| 93 | * transmit interrupt handler |
92 | * transmit interrupt handler |
| 94 | * unused |
93 | * unused |
| 95 | */ |
94 | */ |
| 96 | SIGNAL(SIG_USART1_DATA) { |
95 | ISR(SIG_USART1_DATA) { |
| Line 97... | Line 96... | ||
| 97 | } |
96 | } |
| 98 | 97 | ||
| 99 | /** |
98 | /** |
| Line 244... | Line 243... | ||
| 244 | // re-enable TXD pin |
243 | // re-enable TXD pin |
| 245 | usart1_EnableTXD(); |
244 | usart1_EnableTXD(); |
| Line 246... | Line 245... | ||
| 246 | 245 | ||
| 247 | unsigned char mstenth = ms/10; |
246 | unsigned char mstenth = ms/10; |
| 248 | sendMKData(label, address, &mstenth, 1); |
- | |
| - | 247 | sendMKData(label, address, &mstenth, 1); |
|
| - | 248 | // wait until UDR ready |
|
| 249 | 249 | while (!(UCSR1A & (1 << UDRE1))); |
|
| 250 | // disable TXD pin again |
250 | // disable TXD pin again |
| 251 | usart1_DisableTXD(); |
251 | usart1_DisableTXD(); |