X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/471c5141672c1c386bae0b28d25041309b8118fe..2bdd68c370f880e34d52218d3580b0856ec81ad0:/armsrc/appmain.c diff --git a/armsrc/appmain.c b/armsrc/appmain.c index 05e68868..143b175e 100644 --- a/armsrc/appmain.c +++ b/armsrc/appmain.c @@ -196,15 +196,11 @@ int AvgAdc(int ch) // was static - merlok 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 @@ -217,7 +213,7 @@ void MeasureAntennaTuning(void) 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); @@ -227,16 +223,18 @@ void MeasureAntennaTuning(void) 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); @@ -245,18 +243,11 @@ void MeasureAntennaTuning(void) // 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)