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hitag sniff, use edgemode

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This commit is contained in:
iceman1001 2020-03-24 10:08:11 +01:00
commit 1f5de5debd
1 changed files with 29 additions and 28 deletions
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57
armsrc/lfadc.c
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@ -58,7 +58,7 @@ void lf_sample_mean(void) {
periods++;
}
}
// division by 32
// division by 32
adc_avg = adc_sum >> 5;
if (DBGLEVEL >= DBG_EXTENDED)
@ -74,16 +74,16 @@ size_t lf_count_edge_periods_ex(size_t max, bool wait, bool detect_gap) {
while (!BUTTON_PRESS()) {
// only every 100th times, in order to save time when collecting samples.
/*
if (checked == 1000) {
if (data_available()) {
break;
} else {
checked = 0;
}
}
++checked;
*/
/*
if (checked == 1000) {
if (data_available()) {
break;
} else {
checked = 0;
}
}
++checked;
*/
WDT_HIT();
if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
@ -136,12 +136,12 @@ void lf_reset_counter() {
// TODO: find out the correct reset settings for tag and reader mode
// if (reader_mode) {
// Reset values for reader mode
rising_edge = false;
previous_adc_val = 0xFF;
// Reset values for reader mode
rising_edge = false;
previous_adc_val = 0xFF;
// } else {
// Reset values for tag/transponder mode
// Reset values for tag/transponder mode
// rising_edge = false;
// previous_adc_val = 0xFF;
// }
@ -179,7 +179,8 @@ void lf_init(bool reader, bool simulate) {
// FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC);
else
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC);
// Sniff
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_TOGGLE_MODE);
}
@ -249,18 +250,18 @@ size_t lf_detect_field_drop(size_t max) {
while (!BUTTON_PRESS()) {
/*
// only every 1000th times, in order to save time when collecting samples.
if (checked == 1000) {
if (data_available()) {
checked = -1;
break;
} else {
checked = 0;
}
}
++checked;
*/
/*
// only every 1000th times, in order to save time when collecting samples.
if (checked == 1000) {
if (data_available()) {
checked = -1;
break;
} else {
checked = 0;
}
}
++checked;
*/
WDT_HIT();