// executes.
//-----------------------------------------------------------------------------
+#include <stdarg.h>
+
#include "usb_cdc.h"
#include "cmd.h"
-
#include "proxmark3.h"
#include "apps.h"
#include "util.h"
#include "printf.h"
#include "string.h"
-
-#include <stdarg.h>
-
#include "legicrf.h"
-#include <hitag2.h>
-#include <hitagS.h>
+#include "hitag2.h"
+#include "hitagS.h"
#include "lfsampling.h"
#include "BigBuf.h"
#include "mifareutil.h"
#include "iso14443a.h"
#endif
-#define abs(x) ( ((x)<0) ? -(x) : (x) )
-
//=============================================================================
// A buffer where we can queue things up to be sent through the FPGA, for
// any purpose (fake tag, as reader, whatever). We go MSB first, since that
// return that.
//-----------------------------------------------------------------------------
static int ReadAdc(int ch)
-{
- uint32_t d;
-
- AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
- AT91C_BASE_ADC->ADC_MR =
- ADC_MODE_PRESCALE(63 /* was 32 */) | // ADC_CLK = MCK / ((63+1) * 2) = 48MHz / 128 = 375kHz
- ADC_MODE_STARTUP_TIME(1 /* was 16 */) | // Startup Time = (1+1) * 8 / ADC_CLK = 16 / 375kHz = 42,7us Note: must be > 20us
- ADC_MODE_SAMPLE_HOLD_TIME(15 /* was 8 */); // Sample & Hold Time SHTIM = 15 / ADC_CLK = 15 / 375kHz = 40us
-
+{
// Note: ADC_MODE_PRESCALE and ADC_MODE_SAMPLE_HOLD_TIME are set to the maximum allowed value.
- // Both AMPL_LO and AMPL_HI are very high impedance (10MOhm) outputs, the input capacitance of the ADC is 12pF (typical). This results in a time constant
- // of RC = 10MOhm * 12pF = 120us. Even after the maximum configurable sample&hold time of 40us the input capacitor will not be fully charged.
+ // AMPL_HI is are high impedance (10MOhm || 1MOhm) output, the input capacitance of the ADC is 12pF (typical). This results in a time constant
+ // of RC = (0.91MOhm) * 12pF = 10.9us. Even after the maximum configurable sample&hold time of 40us the input capacitor will not be fully charged.
//
// The maths are:
// If there is a voltage v_in at the input, the voltage v_cap at the capacitor (this is what we are measuring) will be
//
- // v_cap = v_in * (1 - exp(-RC/SHTIM)) = v_in * (1 - exp(-3)) = v_in * 0,95 (i.e. an error of 5%)
- //
- // Note: with the "historic" values in the comments above, the error was 34% !!!
-
- AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
+ // v_cap = v_in * (1 - exp(-SHTIM/RC)) = v_in * (1 - exp(-40us/10.9us)) = v_in * 0,97 (i.e. an error of 3%)
- AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
+ AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST;
+ AT91C_BASE_ADC->ADC_MR =
+ ADC_MODE_PRESCALE(63) | // ADC_CLK = MCK / ((63+1) * 2) = 48MHz / 128 = 375kHz
+ ADC_MODE_STARTUP_TIME(1) | // Startup Time = (1+1) * 8 / ADC_CLK = 16 / 375kHz = 42,7us Note: must be > 20us
+ ADC_MODE_SAMPLE_HOLD_TIME(15); // Sample & Hold Time SHTIM = 15 / ADC_CLK = 15 / 375kHz = 40us
- while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch)))
- ;
- d = AT91C_BASE_ADC->ADC_CDR[ch];
+ AT91C_BASE_ADC->ADC_CHER = ADC_CHANNEL(ch);
+ AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START;
- return d;
+ while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch))) {};
+
+ return AT91C_BASE_ADC->ADC_CDR[ch];
}
int AvgAdc(int ch) // was static - merlok
return (a + 15) >> 5;
}
-void MeasureAntennaTuning(void)
+void MeasureAntennaTuningLfOnly(int *vLf125, int *vLf134, int *peakf, int *peakv, uint8_t LF_Results[])
{
- 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
-
- LED_B_ON();
+ int i, adcval = 0, peak = 0;
/*
* Sweeps the useful LF range of the proxmark from
* the resonating frequency of your LF antenna
* ( hopefully around 95 if it is tuned to 125kHz!)
*/
-
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
+ SpinDelay(50);
+
for (i=255; i>=19; i--) {
- WDT_HIT();
+ WDT_HIT();
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
SpinDelay(20);
adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
- if (i==95) vLf125 = adcval; // voltage at 125Khz
- if (i==89) vLf134 = adcval; // voltage at 134Khz
+ if (i==95) *vLf125 = adcval; // voltage at 125Khz
+ if (i==89) *vLf134 = adcval; // voltage at 134Khz
- LF_Results[i] = adcval>>8; // scale int to fit in byte for graphing purposes
+ LF_Results[i] = adcval >> 9; // scale int to fit in byte for graphing purposes
if(LF_Results[i] > peak) {
- peakv = adcval;
+ *peakv = adcval;
peak = LF_Results[i];
- peakf = i;
+ *peakf = i;
//ptr = i;
}
}
for (i=18; i >= 0; i--) LF_Results[i] = 0;
-
- LED_A_ON();
+
+ return;
+}
+
+void MeasureAntennaTuningHfOnly(int *vHf)
+{
// Let the FPGA drive the high-frequency antenna around 13.56 MHz.
- FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+ LED_A_ON();
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
SpinDelay(20);
- vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+ *vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+ LED_A_OFF();
+
+ return;
+}
- cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125 | (vLf134<<16), vHf, peakf | (peakv<<16), LF_Results, 256);
+void MeasureAntennaTuning(int mode)
+{
+ uint8_t LF_Results[256] = {0};
+ int peakv = 0, peakf = 0;
+ int vLf125 = 0, vLf134 = 0, vHf = 0; // in mV
+
+ LED_B_ON();
+
+ if (((mode & FLAG_TUNE_ALL) == FLAG_TUNE_ALL) && (FpgaGetCurrent() == FPGA_BITSTREAM_HF)) {
+ // Reverse "standard" order if HF already loaded, to avoid unnecessary swap.
+ MeasureAntennaTuningHfOnly(&vHf);
+ MeasureAntennaTuningLfOnly(&vLf125, &vLf134, &peakf, &peakv, LF_Results);
+ } else {
+ if (mode & FLAG_TUNE_LF) {
+ MeasureAntennaTuningLfOnly(&vLf125, &vLf134, &peakf, &peakv, LF_Results);
+ }
+ if (mode & FLAG_TUNE_HF) {
+ MeasureAntennaTuningHfOnly(&vHf);
+ }
+ }
+
+ cmd_send(CMD_MEASURED_ANTENNA_TUNING, vLf125>>1 | (vLf134>>1<<16), vHf, peakf | (peakv>>1<<16), LF_Results, 256);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- LED_A_OFF();
LED_B_OFF();
return;
}
SpinDelay(300);
}
}
- if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid))
+ if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid, true, 0, true))
continue;
else
{
if (limit != HF_ONLY) {
if(mode == 1) {
- if (abs(lf_av - lf_baseline) > REPORT_CHANGE)
+ if (ABS(lf_av - lf_baseline) > REPORT_CHANGE)
LED_D_ON();
else
LED_D_OFF();
lf_av_new = AvgAdc(ADC_CHAN_LF);
// see if there's a significant change
- if(abs(lf_av - lf_av_new) > REPORT_CHANGE) {
+ if(ABS(lf_av - lf_av_new) > REPORT_CHANGE) {
Dbprintf("LF 125/134kHz Field Change: %5dmV", (MAX_ADC_LF_VOLTAGE * lf_av_new) >> 10);
lf_av = lf_av_new;
if (lf_av > lf_max)
if (limit != LF_ONLY) {
if (mode == 1){
- if (abs(hf_av - hf_baseline) > REPORT_CHANGE)
+ if (ABS(hf_av - hf_baseline) > REPORT_CHANGE)
LED_B_ON();
else
LED_B_OFF();
hf_av_new = AvgAdc(ADC_CHAN_HF);
// see if there's a significant change
- if(abs(hf_av - hf_av_new) > REPORT_CHANGE) {
+ if(ABS(hf_av - hf_av_new) > REPORT_CHANGE) {
Dbprintf("HF 13.56MHz Field Change: %5dmV", (MAX_ADC_HF_VOLTAGE * hf_av_new) >> 10);
hf_av = hf_av_new;
if (hf_av > hf_max)
setSamplingConfig((sample_config *) c->d.asBytes);
break;
case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K:
- cmd_send(CMD_ACK,SampleLF(c->arg[0]),0,0,0,0);
+ cmd_send(CMD_ACK,SampleLF(c->arg[0], c->arg[1]),0,0,0,0);
break;
case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K:
ModThenAcquireRawAdcSamples125k(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes);
WritePCF7931(c->d.asBytes[0],c->d.asBytes[1],c->d.asBytes[2],c->d.asBytes[3],c->d.asBytes[4],c->d.asBytes[5],c->d.asBytes[6], c->d.asBytes[9], c->d.asBytes[7]-128,c->d.asBytes[8]-128, c->arg[0], c->arg[1], c->arg[2]);
break;
case CMD_EM4X_READ_WORD:
- EM4xReadWord(c->arg[1], c->arg[2],c->d.asBytes[0]);
+ EM4xReadWord(c->arg[0], c->arg[1],c->arg[2]);
break;
case CMD_EM4X_WRITE_WORD:
- EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]);
+ EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2]);
break;
case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation
CmdAWIDdemodFSK(c->arg[0], 0, 0, 1);
case CMD_VIKING_CLONE_TAG:
CopyVikingtoT55xx(c->arg[0], c->arg[1], c->arg[2]);
break;
+ case CMD_COTAG:
+ Cotag(c->arg[0]);
+ break;
#endif
#ifdef WITH_HITAG
ReadHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
break;
case CMD_WR_HITAG_S://writer for Hitag tags args=data to write,page and key or challenge
- WritePageHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes,c->arg[2]);
+ if ((hitag_function)c->arg[0] < 10) {
+ WritePageHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes,c->arg[2]);
+ }
+ else if ((hitag_function)c->arg[0] >= 10) {
+ WriterHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes, c->arg[2]);
+ }
break;
#endif
case CMD_MIFAREU_WRITEBL:
MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes);
break;
+ case CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES:
+ MifareAcquireEncryptedNonces(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+ break;
case CMD_MIFARE_NESTED:
MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
break;
break;
// Work with "magic Chinese" card
+ case CMD_MIFARE_CWIPE:
+ MifareCWipe(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
+ break;
case CMD_MIFARE_CSETBLOCK:
MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes);
break;
break;
case CMD_MEASURE_ANTENNA_TUNING:
- MeasureAntennaTuning();
+ MeasureAntennaTuning(c->arg[0]);
break;
case CMD_MEASURE_ANTENNA_TUNING_HF:
break;
case CMD_DOWNLOADED_SIM_SAMPLES_125K: {
+ // iceman; since changing fpga_bitstreams clears bigbuff, Its better to call it before.
+ // to be able to use this one for uploading data to device
+ // arg1 = 0 upload for LF usage
+ // 1 upload for HF usage
+ if (c->arg[1] == 0)
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+ else
+ FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
+
uint8_t *b = BigBuf_get_addr();
memcpy(b+c->arg[0], c->d.asBytes, USB_CMD_DATA_SIZE);
cmd_send(CMD_ACK,0,0,0,0,0);
break;
case CMD_SET_LF_DIVISOR:
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->arg[0]);
break;
projects / proxmark3-svn / blobdiff