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hitag: more timings

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This commit is contained in:
Philippe Teuwen 2020-01-16 01:12:34 +01:00
parent 631c11e22c
commit 091a594063
1 changed files with 9 additions and 9 deletions
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18
armsrc/hitag2.c
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@ -114,8 +114,8 @@ static int hitag2_init(void) {
#define HITAG_T_1 30 /* T[1] should be 26..30 */
//#define HITAG_T_EOF 40 /* T_EOF should be > 36 */
#define HITAG_T_EOF 80 /* T_EOF should be > 36 */
#define HITAG_T_WAIT_1 200 /* T_wresp should be 199..206 */
#define HITAG_T_WAIT_2 90 /* T_wait2 should be at least 90 */
#define HITAG_T_WAIT_1_MIN 199 /* T_wresp should be 199..206 */
#define HITAG_T_WAIT_2_MIN 90 /* T_wait2 should be at least 90 */
#define HITAG_T_WAIT_MAX 300 /* bit more than HITAG_T_WAIT_1 + HITAG_T_WAIT_2 */
#define HITAG_T_PROG 614
@ -345,8 +345,8 @@ static uint32_t hitag_reader_send_frame(const uint8_t *frame, size_t frame_len)
lf_modulation(false);
// t_stop, high field for stop condition (> 36)
lf_wait_periods(HITAG_T_STOP-HITAG_T_LOW);
wait += HITAG_T_STOP-HITAG_T_LOW;
lf_wait_periods(HITAG_T_STOP);
wait += HITAG_T_STOP;
return wait;
}
@ -1172,7 +1172,7 @@ void SimulateHitagTag(bool tag_mem_supplied, uint8_t *data) {
// with respect to the falling edge, we need to wait actually (T_Wait1 - T_Low)
// periods. The gap time T_Low varies (4..10). All timer values are in
// terms of T0 units
while (AT91C_BASE_TC0->TC_CV < T0 * (HITAG_T_WAIT_1 - HITAG_T_LOW));
while (AT91C_BASE_TC0->TC_CV < T0 * (HITAG_T_WAIT_1_MIN - HITAG_T_LOW));
// Send and store the tag answer (if there is any)
if (txlen) {
@ -1350,8 +1350,8 @@ void ReaderHitag(hitag_function htf, hitag_data *htd) {
DbpString("Configured for hitag1 reader");
} else if (htf < 30) {
// hitag2 settings
t_wait_1 = 206;
t_wait_2 = HITAG_T_WAIT_2;
t_wait_1 = HITAG_T_WAIT_1_MIN;
t_wait_2 = HITAG_T_WAIT_2_MIN;
tag_size = 48;
DbpString("Configured for hitag2 reader");
} else {
@ -1697,7 +1697,7 @@ void WriterHitag(hitag_function htf, hitag_data *htd, int page) {
} else if (htf < 30) {
// hitag2 settings
reset_sof = 4;
t_wait = HITAG_T_WAIT_2;
t_wait = HITAG_T_WAIT_2_MIN;
} else {
Dbprintf("Error, unknown hitag reader type: %d", htf);
return;
@ -1751,7 +1751,7 @@ void WriterHitag(hitag_function htf, hitag_data *htd, int page) {
// Add transmitted frame to total count
if (txlen > 0) {
// frame_count++;
LogTrace(tx, nbytes(txlen), HITAG_T_WAIT_2, HITAG_T_WAIT_2, NULL, true);
LogTrace(tx, nbytes(txlen), HITAG_T_WAIT_2_MIN, HITAG_T_WAIT_2_MIN, NULL, true);
}
// Reset values for receiving frames