X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/67853904cc3b29d33e053509b9f133e44f9314f8..2e68bd40651f4d451135999f91d39ee68ea57407:/armsrc/appmain.c diff --git a/armsrc/appmain.c b/armsrc/appmain.c index dec71dcd..72d8789e 100644 --- a/armsrc/appmain.c +++ b/armsrc/appmain.c @@ -5,7 +5,6 @@ // Edits by Gerhard de Koning Gans, Sep 2007 (##) //----------------------------------------------------------------------------- - #include #include #include "apps.h" @@ -14,10 +13,6 @@ #include "LCD.h" #endif -// The large multi-purpose buffer, typically used to hold A/D samples, -// maybe pre-processed in some way. -DWORD BigBuf[16000]; -int usbattached = 0; //============================================================================= // A buffer where we can queue things up to be sent through the FPGA, for @@ -29,7 +24,6 @@ BYTE ToSend[256]; int ToSendMax; static int ToSendBit; - void BufferClear(void) { memset(BigBuf,0,sizeof(BigBuf)); @@ -69,8 +63,8 @@ void ToSendStuffBit(int b) void DbpString(char *str) { /* this holds up stuff unless we're connected to usb */ -// if (!usbattached) -// return; + if (!UsbConnected()) + return; UsbCommand c; c.cmd = CMD_DEBUG_PRINT_STRING; @@ -85,8 +79,8 @@ void DbpString(char *str) void DbpIntegers(int x1, int x2, int x3) { /* this holds up stuff unless we're connected to usb */ -// if (!usbattached) -// return; + if (!UsbConnected()) + return; UsbCommand c; c.cmd = CMD_DEBUG_PRINT_INTEGERS; @@ -99,175 +93,6 @@ void DbpIntegers(int x1, int x2, int x3) SpinDelay(50); } -void AcquireRawAdcSamples125k(BOOL at134khz) -{ - if(at134khz) { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } else { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } - - // Connect the A/D to the peak-detected low-frequency path. - SetAdcMuxFor(GPIO_MUXSEL_LOPKD); - - // Give it a bit of time for the resonant antenna to settle. - SpinDelay(50); - - // Now set up the SSC to get the ADC samples that are now streaming at us. - FpgaSetupSsc(); - - // Now call the acquisition routine - DoAcquisition125k(at134khz); -} - -// split into two routines so we can avoid timing issues after sending commands // -void DoAcquisition125k(BOOL at134khz) -{ - BYTE *dest = (BYTE *)BigBuf; - int n = sizeof(BigBuf); - int i; - - memset(dest,0,n); - i = 0; - for(;;) { - if(SSC_STATUS & (SSC_STATUS_TX_READY)) { - SSC_TRANSMIT_HOLDING = 0x43; - LED_D_ON(); - } - if(SSC_STATUS & (SSC_STATUS_RX_READY)) { - dest[i] = (BYTE)SSC_RECEIVE_HOLDING; - i++; - LED_D_OFF(); - if(i >= n) { - break; - } - } - } - DbpIntegers(dest[0], dest[1], at134khz); -} - -void ModThenAcquireRawAdcSamples125k(int delay_off,int period_0,int period_1,BYTE *command) -{ - BOOL at134khz; - - // see if 'h' was specified - if(command[strlen((char *) command) - 1] == 'h') - at134khz= TRUE; - else - at134khz= FALSE; - - if(at134khz) { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } else { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } - - // Give it a bit of time for the resonant antenna to settle. - SpinDelay(50); - - // Now set up the SSC to get the ADC samples that are now streaming at us. - FpgaSetupSsc(); - - // now modulate the reader field - while(*command != '\0' && *command != ' ') - { - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LED_D_OFF(); - SpinDelayUs(delay_off); - if(at134khz) { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } else { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } - LED_D_ON(); - if(*(command++) == '0') - SpinDelayUs(period_0); - else - SpinDelayUs(period_1); - } - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LED_D_OFF(); - SpinDelayUs(delay_off); - if(at134khz) { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } else { - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - } - - // now do the read - DoAcquisition125k(at134khz); -} - -//----------------------------------------------------------------------------- -// Read a TI-type tag. We assume that the tag has already been illuminated, -// and that the exciting signal has been turned off. That means that we just -// acquire the `one-bit DAC' bits from the comparator. -//----------------------------------------------------------------------------- -void AcquireTiType(void) -{ - int i; - int n = sizeof(BigBuf); - - // clear buffer - memset(BigBuf,0,sizeof(BigBuf)); - - // Set up the synchronous serial port - PIO_DISABLE = (1<= n) return; - } - WDT_HIT(); - } -} - -void AcquireRawBitsTI(void) -{ - LED_D_ON(); - // TI tags charge at 134.2Khz - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 88); //134.8Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - - // Charge TI tag for 50ms. - SpinDelay(50); - LED_D_OFF(); - - LED_A_ON(); - // Place FPGA in passthrough mode so as to stop driving the LF coil, - // in this mode the CROSS_LO line connects to SSP_DIN - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_PASSTHRU); - - // get TI tag data into the buffer - AcquireTiType(); - - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LED_A_OFF(); -} - //----------------------------------------------------------------------------- // 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 @@ -354,353 +179,6 @@ void MeasureAntennaTuning(void) UsbSendPacket((BYTE *)&c, sizeof(c)); } -void SimulateTagLowFrequency(int period, int ledcontrol) -{ - int i; - BYTE *tab = (BYTE *)BigBuf; - - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_SIMULATOR); - - PIO_ENABLE = (1 << GPIO_SSC_DOUT) | (1 << GPIO_SSC_CLK); - - PIO_OUTPUT_ENABLE = (1 << GPIO_SSC_DOUT); - PIO_OUTPUT_DISABLE = (1 << GPIO_SSC_CLK); - -#define SHORT_COIL() LOW(GPIO_SSC_DOUT) -#define OPEN_COIL() HIGH(GPIO_SSC_DOUT) - - i = 0; - for(;;) { - while(!(PIO_PIN_DATA_STATUS & (1<0xFFF) { - DbpString("Tags can only have 44 bits."); - return; - } - fc(0,&n); - // special start of frame marker containing invalid bit sequences - fc(8, &n); fc(8, &n); // invalid - fc(8, &n); fc(10, &n); // logical 0 - fc(10, &n); fc(10, &n); // invalid - fc(8, &n); fc(10, &n); // logical 0 - - WDT_HIT(); - // manchester encode bits 43 to 32 - for (i=11; i>=0; i--) { - if ((i%4)==3) fc(0,&n); - if ((hi>>i)&1) { - fc(10, &n); fc(8, &n); // low-high transition - } else { - fc(8, &n); fc(10, &n); // high-low transition - } - } - - WDT_HIT(); - // manchester encode bits 31 to 0 - for (i=31; i>=0; i--) { - if ((i%4)==3) fc(0,&n); - if ((lo>>i)&1) { - fc(10, &n); fc(8, &n); // low-high transition - } else { - fc(8, &n); fc(10, &n); // high-low transition - } - } - - if (ledcontrol) - LED_A_ON(); - SimulateTagLowFrequency(n, ledcontrol); - - if (ledcontrol) - LED_A_OFF(); -} - -// loop to capture raw HID waveform then FSK demodulate the TAG ID from it -static void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol) -{ - BYTE *dest = (BYTE *)BigBuf; - int m=0, n=0, i=0, idx=0, found=0, lastval=0; - DWORD hi=0, lo=0; - - FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz - FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER); - - // Connect the A/D to the peak-detected low-frequency path. - SetAdcMuxFor(GPIO_MUXSEL_LOPKD); - - // Give it a bit of time for the resonant antenna to settle. - SpinDelay(50); - - // Now set up the SSC to get the ADC samples that are now streaming at us. - FpgaSetupSsc(); - - for(;;) { - WDT_HIT(); - if (ledcontrol) - LED_A_ON(); - if(BUTTON_PRESS()) { - DbpString("Stopped"); - if (ledcontrol) - LED_A_OFF(); - return; - } - - i = 0; - m = sizeof(BigBuf); - memset(dest,128,m); - for(;;) { - if(SSC_STATUS & (SSC_STATUS_TX_READY)) { - SSC_TRANSMIT_HOLDING = 0x43; - if (ledcontrol) - LED_D_ON(); - } - if(SSC_STATUS & (SSC_STATUS_RX_READY)) { - dest[i] = (BYTE)SSC_RECEIVE_HOLDING; - // we don't care about actual value, only if it's more or less than a - // threshold essentially we capture zero crossings for later analysis - if(dest[i] < 127) dest[i] = 0; else dest[i] = 1; - i++; - if (ledcontrol) - LED_D_OFF(); - if(i >= m) { - break; - } - } - } - - // FSK demodulator - - // sync to first lo-hi transition - for( idx=1; idx>1)&0xffff); - /* if we're only looking for one tag */ - if (findone) - { - *high = hi; - *low = lo; - return; - } - hi=0; - lo=0; - found=0; - } - } - if (found) { - if (dest[idx] && (!dest[idx+1]) ) { - hi=(hi<<1)|(lo>>31); - lo=(lo<<1)|0; - } else if ( (!dest[idx]) && dest[idx+1]) { - hi=(hi<<1)|(lo>>31); - lo=(lo<<1)|1; - } else { - found=0; - hi=0; - lo=0; - } - idx++; - } - if ( dest[idx] && dest[idx+1] && dest[idx+2] && (!dest[idx+3]) && (!dest[idx+4]) && (!dest[idx+5]) ) - { - found=1; - idx+=6; - if (found && (hi|lo)) { - DbpString("TAG ID"); - DbpIntegers(hi, lo, (lo>>1)&0xffff); - /* if we're only looking for one tag */ - if (findone) - { - *high = hi; - *low = lo; - return; - } - hi=0; - lo=0; - found=0; - } - } - } - WDT_HIT(); - } -} - void SimulateTagHfListen(void) { BYTE *dest = (BYTE *)BigBuf; @@ -747,58 +225,354 @@ void SimulateTagHfListen(void) DbpString("simulate tag (now type bitsamples)"); } -void UsbPacketReceived(BYTE *packet, int len) +void ReadMem(int addr) { - UsbCommand *c = (UsbCommand *)packet; + const DWORD *data = ((DWORD *)addr); + int i; - switch(c->cmd) { - case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K: - AcquireRawAdcSamples125k(c->ext1); - break; + DbpString("Reading memory at address"); + DbpIntegers(0, 0, addr); + for (i = 0; i < 8; i+= 2) + DbpIntegers(0, data[i], data[i+1]); +} - case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K: - ModThenAcquireRawAdcSamples125k(c->ext1,c->ext2,c->ext3,c->d.asBytes); - break; +/* osimage version information is linked in */ +extern struct version_information version_information; +/* bootrom version information is pointed to from _bootphase1_version_pointer */ +extern char _bootphase1_version_pointer, _flash_start, _flash_end; +void SendVersion(void) +{ + char temp[48]; /* Limited data payload in USB packets */ + DbpString("Prox/RFID mark3 RFID instrument"); + + /* Try to find the bootrom version information. Expect to find a pointer at + * symbol _bootphase1_version_pointer, perform slight sanity checks on the + * pointer, then use it. + */ + void *bootrom_version = *(void**)&_bootphase1_version_pointer; + if( bootrom_version < (void*)&_flash_start || bootrom_version >= (void*)&_flash_end ) { + DbpString("bootrom version information appears invalid"); + } else { + FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version); + DbpString(temp); + } + + FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information); + DbpString(temp); + + FpgaGatherVersion(temp, sizeof(temp)); + DbpString(temp); +} - case CMD_ACQUIRE_RAW_BITS_TI_TYPE: - AcquireRawBitsTI(); - break; +// samy's sniff and repeat routine +void SamyRun() +{ + DbpString("Stand-alone mode! No PC necessary."); - case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693: - AcquireRawAdcSamplesIso15693(); - break; + // 3 possible options? no just 2 for now +#define OPTS 2 - case CMD_BUFF_CLEAR: - BufferClear(); - break; + int high[OPTS], low[OPTS]; - case CMD_READER_ISO_15693: - ReaderIso15693(c->ext1); - break; + // Oooh pretty -- notify user we're in elite samy mode now + LED(LED_RED, 200); + LED(LED_ORANGE, 200); + LED(LED_GREEN, 200); + LED(LED_ORANGE, 200); + LED(LED_RED, 200); + LED(LED_ORANGE, 200); + LED(LED_GREEN, 200); + LED(LED_ORANGE, 200); + LED(LED_RED, 200); - case CMD_SIMTAG_ISO_15693: - SimTagIso15693(c->ext1); - break; + int selected = 0; + int playing = 0; - case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443: - AcquireRawAdcSamplesIso14443(c->ext1); - break; + // Turn on selected LED + LED(selected + 1, 0); - case CMD_READ_SRI512_TAG: - ReadSRI512Iso14443(c->ext1); - break; + for (;;) + { + UsbPoll(FALSE); + WDT_HIT(); - case CMD_READER_ISO_14443a: - ReaderIso14443a(c->ext1); - break; + // Was our button held down or pressed? + int button_pressed = BUTTON_HELD(1000); + SpinDelay(300); - case CMD_SNOOP_ISO_14443: - SnoopIso14443(); - break; + // Button was held for a second, begin recording + if (button_pressed > 0) + { + LEDsoff(); + LED(selected + 1, 0); + LED(LED_RED2, 0); - case CMD_SNOOP_ISO_14443a: - SnoopIso14443a(); - break; + // record + DbpString("Starting recording"); + + // wait for button to be released + while(BUTTON_PRESS()) + WDT_HIT(); + + /* need this delay to prevent catching some weird data */ + SpinDelay(500); + + CmdHIDdemodFSK(1, &high[selected], &low[selected], 0); + DbpString("Recorded"); + DbpIntegers(selected, high[selected], low[selected]); + + LEDsoff(); + LED(selected + 1, 0); + // Finished recording + + // If we were previously playing, set playing off + // so next button push begins playing what we recorded + playing = 0; + } + + // Change where to record (or begin playing) + else if (button_pressed) + { + // Next option if we were previously playing + if (playing) + selected = (selected + 1) % OPTS; + playing = !playing; + + LEDsoff(); + LED(selected + 1, 0); + + // Begin transmitting + if (playing) + { + LED(LED_GREEN, 0); + DbpString("Playing"); + // wait for button to be released + while(BUTTON_PRESS()) + WDT_HIT(); + DbpIntegers(selected, high[selected], low[selected]); + CmdHIDsimTAG(high[selected], low[selected], 0); + DbpString("Done playing"); + if (BUTTON_HELD(1000) > 0) + { + DbpString("Exiting"); + LEDsoff(); + return; + } + + /* We pressed a button so ignore it here with a delay */ + SpinDelay(300); + + // when done, we're done playing, move to next option + selected = (selected + 1) % OPTS; + playing = !playing; + LEDsoff(); + LED(selected + 1, 0); + } + else + while(BUTTON_PRESS()) + WDT_HIT(); + } + } +} + + +/* +OBJECTIVE +Listen and detect an external reader. Determine the best location +for the antenna. + +INSTRUCTIONS: +Inside the ListenReaderField() function, there is two mode. +By default, when you call the function, you will enter mode 1. +If you press the PM3 button one time, you will enter mode 2. +If you press the PM3 button a second time, you will exit the function. + +DESCRIPTION OF MODE 1: +This mode just listens for an external reader field and lights up green +for HF and/or red for LF. This is the original mode of the detectreader +function. + +DESCRIPTION OF MODE 2: +This mode will visually represent, using the LEDs, the actual strength of the +current compared to the maximum current detected. Basically, once you know +what kind of external reader is present, it will help you spot the best location to place +your antenna. You will probably not get some good results if there is a LF and a HF reader +at the same place! :-) + +LIGHT SCHEME USED: +*/ +static const char LIGHT_SCHEME[] = { + 0x0, /* ---- | No field detected */ + 0x1, /* X--- | 14% of maximum current detected */ + 0x2, /* -X-- | 29% of maximum current detected */ + 0x4, /* --X- | 43% of maximum current detected */ + 0x8, /* ---X | 57% of maximum current detected */ + 0xC, /* --XX | 71% of maximum current detected */ + 0xE, /* -XXX | 86% of maximum current detected */ + 0xF, /* XXXX | 100% of maximum current detected */ +}; +static const int LIGHT_LEN = sizeof(LIGHT_SCHEME)/sizeof(LIGHT_SCHEME[0]); + +void ListenReaderField(int limit) +{ + int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0, lf_max; + int hf_av, hf_av_new, hf_baseline= 0, hf_count= 0, hf_max; + int mode=1, display_val, display_max, i; + +#define LF_ONLY 1 +#define HF_ONLY 2 + + LEDsoff(); + + lf_av=lf_max=ReadAdc(ADC_CHAN_LF); + + if(limit != HF_ONLY) { + DbpString("LF 125/134 Baseline:"); + DbpIntegers(lf_av,0,0); + lf_baseline= lf_av; + } + + hf_av=hf_max=ReadAdc(ADC_CHAN_HF); + + if (limit != LF_ONLY) { + DbpString("HF 13.56 Baseline:"); + DbpIntegers(hf_av,0,0); + hf_baseline= hf_av; + } + + for(;;) { + if (BUTTON_PRESS()) { + SpinDelay(500); + switch (mode) { + case 1: + mode=2; + DbpString("Signal Strength Mode"); + break; + case 2: + default: + DbpString("Stopped"); + LEDsoff(); + return; + break; + } + } + WDT_HIT(); + + if (limit != HF_ONLY) { + if(mode==1) { + if (abs(lf_av - lf_baseline) > 10) LED_D_ON(); + else LED_D_OFF(); + } + + ++lf_count; + lf_av_new= ReadAdc(ADC_CHAN_LF); + // see if there's a significant change + if(abs(lf_av - lf_av_new) > 10) { + DbpString("LF 125/134 Field Change:"); + DbpIntegers(lf_av,lf_av_new,lf_count); + lf_av= lf_av_new; + if (lf_av > lf_max) + lf_max = lf_av; + lf_count= 0; + } + } + + if (limit != LF_ONLY) { + if (mode == 1){ + if (abs(hf_av - hf_baseline) > 10) LED_B_ON(); + else LED_B_OFF(); + } + + ++hf_count; + hf_av_new= ReadAdc(ADC_CHAN_HF); + // see if there's a significant change + if(abs(hf_av - hf_av_new) > 10) { + DbpString("HF 13.56 Field Change:"); + DbpIntegers(hf_av,hf_av_new,hf_count); + hf_av= hf_av_new; + if (hf_av > hf_max) + hf_max = hf_av; + hf_count= 0; + } + } + + if(mode == 2) { + if (limit == LF_ONLY) { + display_val = lf_av; + display_max = lf_max; + } else if (limit == HF_ONLY) { + display_val = hf_av; + display_max = hf_max; + } else { /* Pick one at random */ + if( (hf_max - hf_baseline) > (lf_max - lf_baseline) ) { + display_val = hf_av; + display_max = hf_max; + } else { + display_val = lf_av; + display_max = lf_max; + } + } + for (i=0; i= ((display_max/LIGHT_LEN)*i) && display_val <= ((display_max/LIGHT_LEN)*(i+1))) { + if (LIGHT_SCHEME[i] & 0x1) LED_C_ON(); else LED_C_OFF(); + if (LIGHT_SCHEME[i] & 0x2) LED_A_ON(); else LED_A_OFF(); + if (LIGHT_SCHEME[i] & 0x4) LED_B_ON(); else LED_B_OFF(); + if (LIGHT_SCHEME[i] & 0x8) LED_D_ON(); else LED_D_OFF(); + break; + } + } + } + } +} + +void UsbPacketReceived(BYTE *packet, int len) +{ + UsbCommand *c = (UsbCommand *)packet; + + switch(c->cmd) { + case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K: + AcquireRawAdcSamples125k(c->ext1); + break; + + case CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K: + ModThenAcquireRawAdcSamples125k(c->ext1,c->ext2,c->ext3,c->d.asBytes); + break; + + case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693: + AcquireRawAdcSamplesIso15693(); + break; + + case CMD_BUFF_CLEAR: + BufferClear(); + break; + + case CMD_READER_ISO_15693: + ReaderIso15693(c->ext1); + break; + + case CMD_SIMTAG_ISO_15693: + SimTagIso15693(c->ext1); + break; + + case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443: + AcquireRawAdcSamplesIso14443(c->ext1); + break; + + case CMD_READ_SRI512_TAG: + ReadSRI512Iso14443(c->ext1); + break; + + case CMD_READER_ISO_14443a: + ReaderIso14443a(c->ext1); + break; + + case CMD_SNOOP_ISO_14443: + SnoopIso14443(); + break; + + case CMD_SNOOP_ISO_14443a: + SnoopIso14443a(); + break; case CMD_SIMULATE_TAG_HF_LISTEN: SimulateTagHfListen(); @@ -834,8 +608,15 @@ void UsbPacketReceived(BYTE *packet, int len) LED_D_OFF(); // LED D indicates field ON or OFF break; - case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: - case CMD_DOWNLOAD_RAW_BITS_TI_TYPE: { + case CMD_READ_TI_TYPE: + ReadTItag(); + break; + + case CMD_WRITE_TI_TYPE: + WriteTItag(c->ext1,c->ext2,c->ext3); + break; + + case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: { UsbCommand n; if(c->cmd == CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K) { n.cmd = CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K; @@ -857,23 +638,27 @@ void UsbPacketReceived(BYTE *packet, int len) SimulateTagLowFrequency(c->ext1, 1); LED_A_OFF(); break; -#ifdef WITH_LCD - case CMD_LCD_RESET: - LCDReset(); - break; -#endif case CMD_READ_MEM: ReadMem(c->ext1); break; case CMD_SET_LF_DIVISOR: FpgaSendCommand(FPGA_CMD_SET_DIVISOR, c->ext1); break; + case CMD_VERSION: + SendVersion(); + break; + case CMD_LF_SIMULATE_BIDIR: + SimulateTagLowFrequencyBidir(c->ext1, c->ext2); + break; #ifdef WITH_LCD + case CMD_LCD_RESET: + LCDReset(); + break; case CMD_LCD: LCDSend(c->ext1); break; #endif - case CMD_SETUP_WRITE: + case CMD_SETUP_WRITE: case CMD_FINISH_WRITE: case CMD_HARDWARE_RESET: USB_D_PLUS_PULLUP_OFF(); @@ -885,24 +670,12 @@ void UsbPacketReceived(BYTE *packet, int len) } break; - default: DbpString("unknown command"); break; } } -void ReadMem(int addr) -{ - const DWORD *data = ((DWORD *)addr); - int i; - - DbpString("Reading memory at address"); - DbpIntegers(0, 0, addr); - for (i = 0; i < 8; i+= 2) - DbpIntegers(0, data[i], data[i+1]); -} - void AppMain(void) { memset(BigBuf,0,sizeof(BigBuf)); @@ -959,206 +732,10 @@ void AppMain(void) #endif for(;;) { - usbattached = UsbPoll(FALSE); + UsbPoll(FALSE); WDT_HIT(); if (BUTTON_HELD(1000) > 0) SamyRun(); } } - - -// samy's sniff and repeat routine -void SamyRun() -{ - DbpString("Stand-alone mode! No PC necessary."); - - // 3 possible options? no just 2 for now -#define OPTS 2 - - int high[OPTS], low[OPTS]; - - // Oooh pretty -- notify user we're in elite samy mode now - LED(LED_RED, 200); - LED(LED_ORANGE, 200); - LED(LED_GREEN, 200); - LED(LED_ORANGE, 200); - LED(LED_RED, 200); - LED(LED_ORANGE, 200); - LED(LED_GREEN, 200); - LED(LED_ORANGE, 200); - LED(LED_RED, 200); - - int selected = 0; - int playing = 0; - - // Turn on selected LED - LED(selected + 1, 0); - - for (;;) - { - usbattached = UsbPoll(FALSE); - WDT_HIT(); - - // Was our button held down or pressed? - int button_pressed = BUTTON_HELD(1000); - SpinDelay(300); - - // Button was held for a second, begin recording - if (button_pressed > 0) - { - LEDsoff(); - LED(selected + 1, 0); - LED(LED_RED2, 0); - - // record - DbpString("Starting recording"); - - // wait for button to be released - while(BUTTON_PRESS()) - WDT_HIT(); - - /* need this delay to prevent catching some weird data */ - SpinDelay(500); - - CmdHIDdemodFSK(1, &high[selected], &low[selected], 0); - DbpString("Recorded"); - DbpIntegers(selected, high[selected], low[selected]); - - LEDsoff(); - LED(selected + 1, 0); - // Finished recording - - // If we were previously playing, set playing off - // so next button push begins playing what we recorded - playing = 0; - } - - // Change where to record (or begin playing) - else if (button_pressed) - { - // Next option if we were previously playing - if (playing) - selected = (selected + 1) % OPTS; - playing = !playing; - - LEDsoff(); - LED(selected + 1, 0); - - // Begin transmitting - if (playing) - { - LED(LED_GREEN, 0); - DbpString("Playing"); - // wait for button to be released - while(BUTTON_PRESS()) - WDT_HIT(); - DbpIntegers(selected, high[selected], low[selected]); - CmdHIDsimTAG(high[selected], low[selected], 0); - DbpString("Done playing"); - if (BUTTON_HELD(1000) > 0) - { - DbpString("Exiting"); - LEDsoff(); - return; - } - - /* We pressed a button so ignore it here with a delay */ - SpinDelay(300); - - // when done, we're done playing, move to next option - selected = (selected + 1) % OPTS; - playing = !playing; - LEDsoff(); - LED(selected + 1, 0); - } - else - while(BUTTON_PRESS()) - WDT_HIT(); - } - } -} - - -// listen for external reader -void ListenReaderField(int limit) -{ - int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0; - int hf_av, hf_av_new, hf_baseline= 0, hf_count= 0; - -#define LF_ONLY 1 -#define HF_ONLY 2 - - LED_A_OFF(); - LED_B_OFF(); - LED_C_OFF(); - LED_D_OFF(); - - lf_av= ReadAdc(ADC_CHAN_LF); - - if(limit != HF_ONLY) - { - DbpString("LF 125/134 Baseline:"); - DbpIntegers(lf_av,0,0); - lf_baseline= lf_av; - } - - hf_av= ReadAdc(ADC_CHAN_HF); - - - if (limit != LF_ONLY) - { - DbpString("HF 13.56 Baseline:"); - DbpIntegers(hf_av,0,0); - hf_baseline= hf_av; - } - - for(;;) - { - if(BUTTON_PRESS()) - { - DbpString("Stopped"); - LED_B_OFF(); - LED_D_OFF(); - return; - } - WDT_HIT(); - - - if (limit != HF_ONLY) - { - if (abs(lf_av - lf_baseline) > 10) - LED_D_ON(); - else - LED_D_OFF(); - ++lf_count; - lf_av_new= ReadAdc(ADC_CHAN_LF); - // see if there's a significant change - if(abs(lf_av - lf_av_new) > 10) - { - DbpString("LF 125/134 Field Change:"); - DbpIntegers(lf_av,lf_av_new,lf_count); - lf_av= lf_av_new; - lf_count= 0; - } - } - - if (limit != LF_ONLY) - { - if (abs(hf_av - hf_baseline) > 10) - LED_B_ON(); - else - LED_B_OFF(); - ++hf_count; - hf_av_new= ReadAdc(ADC_CHAN_HF); - // see if there's a significant change - if(abs(hf_av - hf_av_new) > 10) - { - DbpString("HF 13.56 Field Change:"); - DbpIntegers(hf_av,hf_av_new,hf_count); - hf_av= hf_av_new; - hf_count= 0; - } - } - } -}