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less field timeup before first transmit

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This commit is contained in:
iceman1001
2020-09-17 22:17:16 +02:00
parent 8dd803cd6b
commit 8f2b9b9d66
1 changed files with 7 additions and 1 deletions
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8
armsrc/hitag2.c
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@@ -1431,13 +1431,14 @@ void ReaderHitag(hitag_function htf, hitag_data *htd) {
// init as reader // init as reader
lf_init(true, false); lf_init(true, false);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
uint8_t tag_modulation; uint8_t tag_modulation;
size_t max_nrzs = (8 * HITAG_FRAME_LEN + 5) * 2; // up to 2 nrzs per bit size_t max_nrzs = (8 * HITAG_FRAME_LEN + 5) * 2; // up to 2 nrzs per bit
uint8_t nrz_samples[max_nrzs]; uint8_t nrz_samples[max_nrzs];
bool turn_on = true;
size_t nrzs = 0; size_t nrzs = 0;
int16_t checked = 0; int16_t checked = 0;
uint32_t signal_size = 10000; uint32_t signal_size = 10000;
while (bStop == false && BUTTON_PRESS() == false) { while (bStop == false && BUTTON_PRESS() == false) {
@@ -1498,6 +1499,11 @@ void ReaderHitag(hitag_function htf, hitag_data *htd) {
goto out; goto out;
} }
} }
if (turn_on) {
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
turn_on = false;
}
// Wait for t_wait_2 carrier periods after the last tag bit before transmitting, // Wait for t_wait_2 carrier periods after the last tag bit before transmitting,
lf_wait_periods(t_wait_2); lf_wait_periods(t_wait_2);