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chg: 'hw detectreader' - clean up

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iceman1001 2019-04-27 11:09:20 +02:00
parent 238eda8b17
commit 5f831ee776
1 changed files with 18 additions and 7 deletions
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25
armsrc/appmain.c
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@ -485,6 +485,7 @@ void ListenReaderField(int limit) {
uint16_t lf_av, lf_av_new, lf_baseline = 0, lf_max;
uint16_t hf_av, hf_av_new, hf_baseline = 0, hf_max;
uint16_t mode = 1, display_val, display_max;
bool use_high = false;
// switch off FPGA - we don't want to measure our own signal
// 20180315 - iceman, why load this before and then turn off?
@ -493,28 +494,29 @@ void ListenReaderField(int limit) {
LEDsoff();
if (limit == LF_ONLY) {
lf_av = lf_max = AvgAdc(ADC_CHAN_LF);
if (limit != HF_ONLY) {
Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10);
lf_baseline = lf_av;
}
if (limit == HF_ONLY) {
hf_av = hf_max = AvgAdc(ADC_CHAN_HF);
// iceman, useless, since we are measuring readerfield, not our field. My tests shows a max of 20v from a reader.
// RDV40 will hit the roof, try other ADC channel used in that hardware revision.
bool use_high = (((MAX_ADC_HF_VOLTAGE * hf_max) >> 10) > MAX_ADC_HF_VOLTAGE - 300);
use_high = (((MAX_ADC_HF_VOLTAGE * hf_max) >> 10) > MAX_ADC_HF_VOLTAGE - 300);
if (use_high) {
hf_av = hf_max = AvgAdc(ADC_CHAN_HF_RDV40);
}
if (limit != LF_ONLY) {
Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10);
hf_baseline = hf_av;
}
for (;;) {
// Switch modes with button
if (BUTTON_PRESS()) {
SpinDelay(500);
@ -526,14 +528,14 @@ void ListenReaderField(int limit) {
case 2:
default:
DbpString("Stopped");
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff();
return;
break;
}
}
WDT_HIT();
if (limit != HF_ONLY) {
if (limit == LF_ONLY) {
if (mode == 1) {
if (ABS(lf_av - lf_baseline) > REPORT_CHANGE)
LED_D_ON();
@ -551,7 +553,7 @@ void ListenReaderField(int limit) {
}
}
if (limit != LF_ONLY) {
if (limit == HF_ONLY) {
if (mode == 1) {
if (ABS(hf_av - hf_baseline) > REPORT_CHANGE)
LED_B_ON();
@ -586,11 +588,14 @@ void ListenReaderField(int limit) {
display_max = lf_max;
}
}
display_val = display_val * (4*LIGHT_LEVELS) / MAX(1,display_max);
uint32_t duty_a = MIN(MAX(display_val, 0*LIGHT_LEVELS), 1*LIGHT_LEVELS) - 0*LIGHT_LEVELS;
uint32_t duty_b = MIN(MAX(display_val, 1*LIGHT_LEVELS), 2*LIGHT_LEVELS) - 1*LIGHT_LEVELS;
uint32_t duty_c = MIN(MAX(display_val, 2*LIGHT_LEVELS), 3*LIGHT_LEVELS) - 2*LIGHT_LEVELS;
uint32_t duty_d = MIN(MAX(display_val, 3*LIGHT_LEVELS), 4*LIGHT_LEVELS) - 3*LIGHT_LEVELS;
// LED A
if (duty_a == 0) {
LED_A_OFF();
} else if (duty_a == LIGHT_LEVELS) {
@ -601,6 +606,8 @@ void ListenReaderField(int limit) {
LED_A_OFF();
SpinDelay(LIGHT_LEVELS - duty_a);
}
// LED B
if (duty_b == 0) {
LED_B_OFF();
} else if (duty_b == LIGHT_LEVELS) {
@ -611,6 +618,8 @@ void ListenReaderField(int limit) {
LED_B_OFF();
SpinDelay(LIGHT_LEVELS - duty_b);
}
// LED C
if (duty_c == 0) {
LED_C_OFF();
} else if (duty_c == LIGHT_LEVELS) {
@ -621,6 +630,8 @@ void ListenReaderField(int limit) {
LED_C_OFF();
SpinDelay(LIGHT_LEVELS - duty_c);
}
// LED D
if (duty_d == 0) {
LED_D_OFF();
} else if (duty_d == LIGHT_LEVELS) {