Revision 279
Cardreader code cleanup
| cardreader.c | ||
|---|---|---|
| 142 | 142 |
} |
| 143 | 143 |
|
| 144 | 144 |
// Read data in on the downtick of the clock |
| 145 |
if ((!(PIND & CR_CLK))) {
|
|
| 146 |
if (cr_buf_idx < CR_BUF_SIZE) {
|
|
| 145 |
if ((!(PIND & CR_CLK)) && (cr_buf_idx < CR_BUF_SIZE)) {
|
|
| 147 | 146 |
// Read data from card reader and flip since ours inverts |
| 148 | 147 |
cr_buf[cr_buf_idx] = !(PIND & CR_DATA); |
| 149 | 148 |
cr_buf_idx++; |
| 150 |
} else {
|
|
| 151 |
toggle_led(LED_RED, ON); |
|
| 152 |
} |
|
| 153 | 149 |
} |
| 154 | 150 |
} |
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