void MeasureAntennaTuning(void)
{
- uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET;
+ uint8_t LF_Results[256];
int i, adcval = 0, peak = 0, peakv = 0, peakf = 0; //ptr = 0
int vLf125 = 0, vLf134 = 0, vHf = 0; // in mV
-// UsbCommand c;
-
- LED_B_ON();
- DbpString("Measuring antenna characteristics, please wait...");
- memset(dest,0,FREE_BUFFER_SIZE);
+ LED_B_ON();
/*
* Sweeps the useful LF range of the proxmark from
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
- for (i=255; i>19; i--) {
+ for (i=255; i>=19; i--) {
WDT_HIT();
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
SpinDelay(20);
if (i==95) vLf125 = adcval; // voltage at 125Khz
if (i==89) vLf134 = adcval; // voltage at 134Khz
- dest[i] = adcval>>8; // scale int to fit in byte for graphing purposes
- if(dest[i] > peak) {
+ LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
+ if(LF_Results[i] > peak) {
peakv = adcval;
- peak = dest[i];
+ peak = LF_Results[i];
peakf = i;
//ptr = i;
}
}
- LED_A_ON();
+ for (i=18; i >= 0; i--) LF_Results[i] = 0;
+
+ LED_A_ON();
// Let the FPGA drive the high-frequency antenna around 13.56 MHz.
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
// can measure voltages up to 33000 mV
vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10;
-// c.cmd = CMD_MEASURED_ANTENNA_TUNING;
-// c.arg[0] = (vLf125 << 0) | (vLf134 << 16);
-// c.arg[1] = vHf;
-// c.arg[2] = peakf | (peakv << 16);
-
- DbpString("Measuring complete, sending report back to host");
- cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),0,0);
-// UsbSendPacket((uint8_t *)&c, sizeof(c));
+ cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),LF_Results,256);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LED_A_OFF();
- LED_B_OFF();
- return;
+ LED_A_OFF();
+ LED_B_OFF();
+ return;
}
void MeasureAntennaTuningHf(void)