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chg: 'hw detectreader' - kind of useless previous change, measuring from two different readers, the max was 18.8v and 20.1v Not even close to 36v the standard ADC is configured

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iceman1001 2018-03-15 10:48:57 +01:00
parent c3ba3f306f
commit 5690c0f5bc
1 changed files with 2 additions and 1 deletions
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3
armsrc/appmain.c
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@ -490,7 +490,8 @@ void ListenReaderField(int limit) {
hf_av = hf_max = AvgAdc(ADC_CHAN_HF);
// RDV40 will hit the roof, try other ADC channel used in that hardware revision.
// 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 );
if ( use_high ) {
hf_av = hf_max = AvgAdc(ADC_CHAN_HF_RDV40);