#include "BigBuf.h"
#include "mifareutil.h"
#include "pcf7931.h"
+#include "i2c.h"
#ifdef WITH_LCD
#include "LCD.h"
#endif
-#ifdef WITH_SMARTCARD
- #include "i2c.h"
-#endif
// Craig Young - 14a stand-alone code
static int ReadAdc(int ch)
{
// Note: ADC_MODE_PRESCALE and ADC_MODE_SAMPLE_HOLD_TIME are set to the maximum allowed value.
- // AMPL_HI is are high impedance (10MOhm || 1MOhm) output, the input capacitance of the ADC is 12pF (typical). This results in a time constant
+ // AMPL_HI is a 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:
while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch))) {};
- return AT91C_BASE_ADC->ADC_CDR[ch];
+ return AT91C_BASE_ADC->ADC_CDR[ch] & 0x3ff;
}
int AvgAdc(int ch) // was static - merlok
return (a + 15) >> 5;
}
+static int AvgAdc_Voltage_HF(void)
+{
+ int AvgAdc_Voltage_Low, AvgAdc_Voltage_High;
+
+ AvgAdc_Voltage_Low= (MAX_ADC_HF_VOLTAGE_LOW * AvgAdc(ADC_CHAN_HF_LOW)) >> 10;
+ // if voltage range is about to be exceeded, use high voltage ADC channel if available (RDV40 only)
+ if (AvgAdc_Voltage_Low > MAX_ADC_HF_VOLTAGE_LOW - 300) {
+ AvgAdc_Voltage_High = (MAX_ADC_HF_VOLTAGE_HIGH * AvgAdc(ADC_CHAN_HF_HIGH)) >> 10;
+ if (AvgAdc_Voltage_High >= AvgAdc_Voltage_Low) {
+ return AvgAdc_Voltage_High;
+ }
+ }
+ return AvgAdc_Voltage_Low;
+}
+
+static int AvgAdc_Voltage_LF(void)
+{
+ return (MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10;
+}
+
void MeasureAntennaTuningLfOnly(int *vLf125, int *vLf134, int *peakf, int *peakv, uint8_t LF_Results[])
{
int i, adcval = 0, peak = 0;
WDT_HIT();
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
SpinDelay(20);
- adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
+ adcval = AvgAdc_Voltage_LF();
if (i==95) *vLf125 = adcval; // voltage at 125Khz
if (i==89) *vLf134 = adcval; // voltage at 134Khz
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 = AvgAdc_Voltage_HF();
LED_A_OFF();
-
return;
}
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR);
for (;;) {
- SpinDelay(20);
- vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10;
+ SpinDelay(500);
+ vHf = AvgAdc_Voltage_HF();
Dbprintf("%d mV",vHf);
if (BUTTON_PRESS()) break;
/* bootrom version information is pointed to from _bootphase1_version_pointer */
extern char *_bootphase1_version_pointer, _flash_start, _flash_end, _bootrom_start, _bootrom_end, __data_src_start__;
+
void SendVersion(void)
{
char temp[USB_CMD_DATA_SIZE]; /* Limited data payload in USB packets */
for (int i = 0; i < fpga_bitstream_num; i++) {
strncat(VersionString, fpga_version_information[i], sizeof(VersionString) - strlen(VersionString) - 1);
- if (i < fpga_bitstream_num - 1) {
- strncat(VersionString, "\n", sizeof(VersionString) - strlen(VersionString) - 1);
- }
+ strncat(VersionString, "\n", sizeof(VersionString) - strlen(VersionString) - 1);
}
-
+
+ // test availability of SmartCard slot
+ if (I2C_is_available()) {
+ strncat(VersionString, "SmartCard Slot: available\n", sizeof(VersionString) - strlen(VersionString) - 1);
+ } else {
+ strncat(VersionString, "SmartCard Slot: not available\n", sizeof(VersionString) - strlen(VersionString) - 1);
+ }
+
// Send Chip ID and used flash memory
uint32_t text_and_rodata_section_size = (uint32_t)&__data_src_start__ - (uint32_t)&_flash_start;
uint32_t compressed_data_section_size = common_area.arg1;
void ListenReaderField(int limit)
{
- int lf_av, lf_av_new, lf_baseline= 0, lf_max;
- int hf_av, hf_av_new, hf_baseline= 0, hf_max;
+ int lf_av, lf_av_new=0, lf_baseline= 0, lf_max;
+ int hf_av, hf_av_new=0, hf_baseline= 0, hf_max;
int mode=1, display_val, display_max, i;
-#define LF_ONLY 1
-#define HF_ONLY 2
-#define REPORT_CHANGE 10 // report new values only if they have changed at least by REPORT_CHANGE
+#define LF_ONLY 1
+#define HF_ONLY 2
+#define REPORT_CHANGE_PERCENT 5 // report new values only if they have changed at least by REPORT_CHANGE_PERCENT
+#define MIN_HF_FIELD 300 // in mode 1 signal HF field greater than MIN_HF_FIELD above baseline
+#define MIN_LF_FIELD 1200 // in mode 1 signal LF field greater than MIN_LF_FIELD above baseline
// switch off FPGA - we don't want to measure our own signal
LEDsoff();
- lf_av = lf_max = AvgAdc(ADC_CHAN_LF);
+ lf_av = lf_max = AvgAdc_Voltage_LF();
if(limit != HF_ONLY) {
- Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10);
+ Dbprintf("LF 125/134kHz Baseline: %dmV", lf_av);
lf_baseline = lf_av;
}
- hf_av = hf_max = AvgAdc(ADC_CHAN_HF);
-
+ hf_av = hf_max = AvgAdc_Voltage_HF();
+
if (limit != LF_ONLY) {
- Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10);
+ Dbprintf("HF 13.56MHz Baseline: %dmV", hf_av);
hf_baseline = hf_av;
}
for(;;) {
+ SpinDelay(500);
if (BUTTON_PRESS()) {
- SpinDelay(500);
switch (mode) {
case 1:
mode=2;
return;
break;
}
+ while (BUTTON_PRESS());
}
WDT_HIT();
if (limit != HF_ONLY) {
if(mode == 1) {
- if (ABS(lf_av - lf_baseline) > REPORT_CHANGE)
+ if (lf_av - lf_baseline > MIN_LF_FIELD)
LED_D_ON();
else
LED_D_OFF();
}
- lf_av_new = AvgAdc(ADC_CHAN_LF);
+ lf_av_new = AvgAdc_Voltage_LF();
// see if there's a significant 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);
+ if (ABS((lf_av - lf_av_new)*100/(lf_av?lf_av:1)) > REPORT_CHANGE_PERCENT) {
+ Dbprintf("LF 125/134kHz Field Change: %5dmV", lf_av_new);
lf_av = lf_av_new;
if (lf_av > lf_max)
lf_max = lf_av;
if (limit != LF_ONLY) {
if (mode == 1){
- if (ABS(hf_av - hf_baseline) > REPORT_CHANGE)
+ if (hf_av - hf_baseline > MIN_HF_FIELD)
LED_B_ON();
else
LED_B_OFF();
}
- hf_av_new = AvgAdc(ADC_CHAN_HF);
+ hf_av_new = AvgAdc_Voltage_HF();
+
// see if there's a significant 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);
+ if (ABS((hf_av - hf_av_new)*100/(hf_av?hf_av:1)) > REPORT_CHANGE_PERCENT) {
+ Dbprintf("HF 13.56MHz Field Change: %5dmV", hf_av_new);
hf_av = hf_av_new;
if (hf_av > hf_max)
hf_max = hf_av;
SimulateHitagSTag((bool)c->arg[0],(byte_t*)c->d.asBytes);
break;
case CMD_TEST_HITAGS_TRACES:// Tests every challenge within the given file
- check_challenges((bool)c->arg[0],(byte_t*)c->d.asBytes);
+ check_challenges_cmd((bool)c->arg[0], (byte_t*)c->d.asBytes, (uint8_t)c->arg[1]);
break;
case CMD_READ_HITAG_S://Reader for only Hitag S tags, args = key or challenge
- ReadHitagS((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes);
+ ReadHitagSCmd((hitag_function)c->arg[0], (hitag_data*)c->d.asBytes, (uint8_t)c->arg[1], (uint8_t)c->arg[2], false);
+ break;
+ case CMD_READ_HITAG_S_BLK:
+ ReadHitagSCmd((hitag_function)c->arg[0], (hitag_data*)c->d.asBytes, (uint8_t)c->arg[1], (uint8_t)c->arg[2], true);
break;
case CMD_WR_HITAG_S://writer for Hitag tags args=data to write,page and key or challenge
if ((hitag_function)c->arg[0] < 10) {
LED_A_OFF();
// Init USB device
- usb_enable();
+ usb_enable();
// The FPGA gets its clock from us from PCK0 output, so set that up.
AT91C_BASE_PIOA->PIO_BSR = GPIO_PCK0;
projects / proxmark3-svn / blobdiff