RfidResearchGroup/proxmark3
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Merge branch 'master' of github.com:RfidResearchGroup/proxmark3 into 766-card-publisher-enhancement

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This commit is contained in:
Lukas Kuzmiak 2020-06-09 15:41:11 -07:00
parent ca30ff9bc2 0ce3be2f34
commit ff7eb464c2
5 changed files with 20 additions and 17 deletions
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26
armsrc/appmain.c
View file

@ -108,7 +108,7 @@ void ToSendStuffBit(int b) {
//-----------------------------------------------------------------------------
// Read an ADC channel and block till it completes, then return the result
// in ADC units (0 to 1023). Also a routine to average 32 samples and
// in ADC units (0 to 1023). Also a routine to sum up a number of samples and
// return that.
//-----------------------------------------------------------------------------
static uint16_t ReadAdc(int ch) {
@ -138,12 +138,14 @@ static uint16_t ReadAdc(int ch) {
// was static - merlok
uint16_t AvgAdc(int ch) {
uint16_t a = 0;
for (uint8_t i = 0; i < 32; i++)
a += ReadAdc(ch);
return SumAdc(ch, 32) >> 5;
}
//division by 32
return (a + 15) >> 5;
uint16_t SumAdc(int ch, int NbSamples) {
uint16_t a = 0;
for (uint8_t i = 0; i < NbSamples; i++)
a += ReadAdc(ch);
return (a + (NbSamples >> 1) - 1);
}
static void MeasureAntennaTuning(void) {
@ -186,7 +188,7 @@ static void MeasureAntennaTuning(void) {
WDT_HIT();
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
SpinDelay(20);
uint32_t adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
uint32_t adcval = ((MAX_ADC_LF_VOLTAGE * (SumAdc(ADC_CHAN_LF, 32) >> 1)) >> 14);
if (i == LF_DIVISOR_125)
payload.v_lf125 = adcval; // voltage at 125kHz
@ -212,9 +214,9 @@ static void MeasureAntennaTuning(void) {
SpinDelay(50);
#if defined RDV4
payload.v_hf = (MAX_ADC_HF_VOLTAGE_RDV40 * AvgAdc(ADC_CHAN_HF_RDV40)) >> 10;
payload.v_hf = (MAX_ADC_HF_VOLTAGE_RDV40 * SumAdc(ADC_CHAN_HF_RDV40, 32)) >> 15;
#else
payload.v_hf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
payload.v_hf = (MAX_ADC_HF_VOLTAGE * SumAdc(ADC_CHAN_HF, 32)) >> 15;
#endif
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
@ -226,16 +228,16 @@ static void MeasureAntennaTuning(void) {
static uint16_t MeasureAntennaTuningHfData(void) {
#if defined RDV4
return (MAX_ADC_HF_VOLTAGE_RDV40 * AvgAdc(ADC_CHAN_HF_RDV40)) >> 10;
return (MAX_ADC_HF_VOLTAGE_RDV40 * SumAdc(ADC_CHAN_HF_RDV40, 32)) >> 15;
#else
return (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
return (MAX_ADC_HF_VOLTAGE * SumAdc(ADC_CHAN_HF, 32)) >> 15;
#endif
}
// Measure LF in milliVolt
static uint32_t MeasureAntennaTuningLfData(void) {
return (MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10;
return (MAX_ADC_LF_VOLTAGE * (SumAdc(ADC_CHAN_LF, 32) >> 1)) >> 14;
}
void ReadMem(int addr) {

1
armsrc/appmain.h
View file

@ -31,6 +31,7 @@ void ReadMem(int addr);
void __attribute__((noreturn)) AppMain(void);
uint16_t AvgAdc(int ch);
uint16_t SumAdc(int ch, int NbSamples);
//void PrintToSendBuffer(void);
void ToSendStuffBit(int b);

4
armsrc/iso14443b.c
View file

@ -641,9 +641,9 @@ void SimulateIso14443bTag(uint32_t pupi) {
if (cardSTATE == SIM_NOFIELD) {
#if defined RDV4
vHf = (MAX_ADC_HF_VOLTAGE_RDV40 * AvgAdc(ADC_CHAN_HF_RDV40)) >> 10;
vHf = (MAX_ADC_HF_VOLTAGE_RDV40 * SumAdc(ADC_CHAN_HF_RDV40, 32)) >> 15;
#else
vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
vHf = (MAX_ADC_HF_VOLTAGE * SumAdc(ADC_CHAN_HF, 32)) >> 15;
#endif
if (vHf > MF_MINFIELDV) {
cardSTATE = SIM_IDLE;

2
armsrc/lfops.c
View file

@ -1571,7 +1571,7 @@ void TurnReadLFOn(uint32_t delay) {
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER | FPGA_LF_ADC_READER_FIELD);
// measure antenna strength.
//int adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
//int adcval = ((MAX_ADC_LF_VOLTAGE * (SumAdc(ADC_CHAN_LF, 32) >> 1)) >> 14);
WaitUS(delay);
}
static void TurnReadLF_off(uint32_t delay) {

4
armsrc/mifaresim.c
View file

@ -539,9 +539,9 @@ void Mifare1ksim(uint16_t flags, uint8_t exitAfterNReads, uint8_t *datain, uint1
if (cardSTATE == MFEMUL_NOFIELD) {
#if defined RDV4
vHf = (MAX_ADC_HF_VOLTAGE_RDV40 * AvgAdc(ADC_CHAN_HF_RDV40)) >> 10;
vHf = (MAX_ADC_HF_VOLTAGE_RDV40 * SumAdc(ADC_CHAN_HF_RDV40, 32)) >> 15;
#else
vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
vHf = (MAX_ADC_HF_VOLTAGE * SumAdc(ADC_CHAN_HF, 32)) >> 15;
#endif
if (vHf > MF_MINFIELDV) {