Revision 64b6024c
Change twi buffer register to data register
| scout_avr/bom/tiny-twi.c | ||
|---|---|---|
| 70 | 70 |
} |
| 71 | 71 |
|
| 72 | 72 |
ISR(USI_START_vect) {
|
| 73 |
PORTB |= _BV(PB4); // DEBUG: LED ON |
|
| 74 | 73 |
twi_start(); |
| 75 | 74 |
} |
| 76 | 75 |
|
| 77 | 76 |
ISR(USI_OVF_vect) {
|
| 78 |
uint8_t input = USIBR;
|
|
| 77 |
uint8_t input = USIDR; // WTF ASK TOM
|
|
| 79 | 78 |
switch (state) {
|
| 80 | 79 |
|
| 81 | 80 |
case IDLE: |
| ... | ... | |
| 87 | 86 |
if (input >> 1 == address) {
|
| 88 | 87 |
// send ack |
| 89 | 88 |
twi_send_ack(input & 1); |
| 89 |
PORTB |= _BV(PB4); // DEBUG LED ON |
|
| 90 | 90 |
} else {
|
| 91 | 91 |
// go back to listening for start condition |
| 92 | 92 |
twi_ready(); |
| ... | ... | |
| 151 | 151 |
DDRB |= _BV(DDB4); |
| 152 | 152 |
smb_init(testCB); |
| 153 | 153 |
while(1); |
| 154 |
} |
|
| 154 |
} |
|
| 155 |
|
|
| 156 |
|
|
| 157 |
|
|
| 158 |
|
|
| 159 |
|
|
| 160 |
/* debug code |
|
| 161 |
USICR &= ~_BV(USISIE); |
|
| 162 |
USICR &= ~_BV(USIOIE); |
|
| 163 |
|
|
| 164 |
int i; |
|
| 165 |
for (i=0; i<8; i++) {
|
|
| 166 |
_delay_ms(1000); |
|
| 167 |
PORTB |= _BV(PB4); // DEBUG LED ON |
|
| 168 |
if ((input >> i) & 1) _delay_ms(1000); |
|
| 169 |
else _delay_ms(500); |
|
| 170 |
PORTB &= ~_BV(PB4); // DEBUG LED OFF |
|
| 171 |
} |
|
| 172 |
*/ |
|
Also available in: Unified diff