Revision 532ba0bd
Added LED header, and some rfid debugging
| toolbox/rfid.c | ||
|---|---|---|
| 5 | 5 |
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| 6 | 6 |
static char read_cmd[] = {'!', 'R', 'W', 1, 32};
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| 7 | 7 |
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| 8 |
static int serno_idx; |
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| 8 | 9 |
static char serno[RFID_SERNO_SIZE]; |
| 9 | 10 |
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| 10 | 11 |
static void zero_serno() {
|
| ... | ... | |
| 57 | 58 |
return; |
| 58 | 59 |
} |
| 59 | 60 |
} |
| 60 |
_delay_ms(40);
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|
| 61 |
_delay_ms(10);
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|
| 61 | 62 |
} |
| 62 | 63 |
} |
| 63 | 64 |
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| 64 |
void rfid_read() {
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|
| 65 |
while (1) {
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|
| 66 |
serial_write(read_cmd, sizeof(read_cmd)); |
|
| 67 |
if (serial_read_blocking() == RFID_OK) {
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|
| 68 |
read_serno(); |
|
| 69 |
return; |
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| 65 |
void rfid_start_read() {
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| 66 |
serno_idx = -1; |
|
| 67 |
zero_serno(); // TODO temporary |
|
| 68 |
serial_flush(); |
|
| 69 |
serial_write(read_cmd, sizeof(read_cmd)); |
|
| 70 |
} |
|
| 71 |
|
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| 72 |
char rfid_poll() {
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|
| 73 |
int c; |
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| 74 |
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| 75 |
c = serial_read(); |
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| 76 |
while (c >= 0) {
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| 77 |
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| 78 |
if (serno_idx < 0) {
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| 79 |
if (c != RFID_OK) {
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| 80 |
zero_serno(); |
|
| 81 |
return 1; |
|
| 82 |
} |
|
| 83 |
} else {
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|
| 84 |
serno[serno_idx] = c; |
|
| 85 |
} |
|
| 86 |
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|
| 87 |
serno_idx++; |
|
| 88 |
if (serno_idx >= RFID_SERNO_SIZE) {
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|
| 89 |
return 1; |
|
| 70 | 90 |
} |
| 71 |
_delay_ms(40); |
|
| 91 |
|
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| 92 |
c = serial_read(); |
|
| 72 | 93 |
} |
| 94 |
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| 95 |
return 0; |
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| 73 | 96 |
} |
| 74 | 97 |
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| 75 | 98 |
void rfid_get_serno(char *buf) {
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