X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9e8255d4e99eb2917df13be92402e75a73417696..refs/pull/165/head:/armsrc/appmain.c diff --git a/armsrc/appmain.c b/armsrc/appmain.c index bca31533..782c57fa 100644 --- a/armsrc/appmain.c +++ b/armsrc/appmain.c @@ -23,11 +23,19 @@ #include "legicrf.h" #include - +#include "lfsampling.h" +#include "BigBuf.h" +#include "mifareutil.h" +#include "pcf7931.h" #ifdef WITH_LCD #include "LCD.h" #endif +// Craig Young - 14a stand-alone code +#ifdef WITH_ISO14443a_StandAlone + #include "iso14443a.h" +#endif + #define abs(x) ( ((x)<0) ? -(x) : (x) ) //============================================================================= @@ -42,12 +50,6 @@ int ToSendMax; static int ToSendBit; struct common_area common_area __attribute__((section(".commonarea"))); -void BufferClear(void) -{ - memset(BigBuf,0,sizeof(BigBuf)); - Dbprintf("Buffer cleared (%i bytes)",sizeof(BigBuf)); -} - void ToSendReset(void) { ToSendMax = -1; @@ -141,12 +143,25 @@ static int ReadAdc(int ch) AT91C_BASE_ADC->ADC_CR = AT91C_ADC_SWRST; AT91C_BASE_ADC->ADC_MR = - ADC_MODE_PRESCALE(32) | - ADC_MODE_STARTUP_TIME(16) | - ADC_MODE_SAMPLE_HOLD_TIME(8); + 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. + // + // 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); AT91C_BASE_ADC->ADC_CR = AT91C_ADC_START; + while(!(AT91C_BASE_ADC->ADC_SR & ADC_END_OF_CONVERSION(ch))) ; d = AT91C_BASE_ADC->ADC_CDR[ch]; @@ -189,9 +204,7 @@ void MeasureAntennaTuning(void) WDT_HIT(); FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i); SpinDelay(20); - // Vref = 3.3V, and a 10000:240 voltage divider on the input - // can measure voltages up to 137500 mV - adcval = ((137500 * AvgAdc(ADC_CHAN_LF)) >> 10); + 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 @@ -211,11 +224,9 @@ void MeasureAntennaTuning(void) FpgaDownloadAndGo(FPGA_BITSTREAM_HF); FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); SpinDelay(20); - // Vref = 3300mV, and an 10:1 voltage divider on the input - // can measure voltages up to 33000 mV - vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10; + vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10; - cmd_send(CMD_MEASURED_ANTENNA_TUNING,vLf125|(vLf134<<16),vHf,peakf|(peakv<<16),LF_Results,256); + 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(); @@ -228,68 +239,24 @@ void MeasureAntennaTuningHf(void) DbpString("Measuring HF antenna, press button to exit"); + // Let the FPGA drive the high-frequency antenna around 13.56 MHz. + FpgaDownloadAndGo(FPGA_BITSTREAM_HF); + FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); + for (;;) { - // Let the FPGA drive the high-frequency antenna around 13.56 MHz. - FpgaDownloadAndGo(FPGA_BITSTREAM_HF); - FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR); SpinDelay(20); - // Vref = 3300mV, and an 10:1 voltage divider on the input - // can measure voltages up to 33000 mV - vHf = (33000 * AvgAdc(ADC_CHAN_HF)) >> 10; + vHf = (MAX_ADC_HF_VOLTAGE * AvgAdc(ADC_CHAN_HF)) >> 10; Dbprintf("%d mV",vHf); if (BUTTON_PRESS()) break; } DbpString("cancelled"); -} - - -void SimulateTagHfListen(void) -{ - uint8_t *dest = (uint8_t *)BigBuf+FREE_BUFFER_OFFSET; - uint8_t v = 0; - int i; - int p = 0; - - // We're using this mode just so that I can test it out; the simulated - // tag mode would work just as well and be simpler. - FpgaDownloadAndGo(FPGA_BITSTREAM_HF); - FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_RX_XCORR | FPGA_HF_READER_RX_XCORR_848_KHZ | FPGA_HF_READER_RX_XCORR_SNOOP); - - // We need to listen to the high-frequency, peak-detected path. - SetAdcMuxFor(GPIO_MUXSEL_HIPKD); - - FpgaSetupSsc(); - - i = 0; - for(;;) { - if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_TXRDY)) { - AT91C_BASE_SSC->SSC_THR = 0xff; - } - if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) { - uint8_t r = (uint8_t)AT91C_BASE_SSC->SSC_RHR; - - v <<= 1; - if(r & 1) { - v |= 1; - } - p++; - if(p >= 8) { - dest[i] = v; - v = 0; - p = 0; - i++; + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - if(i >= FREE_BUFFER_SIZE) { - break; - } - } - } - } - DbpString("simulate tag (now type bitsamples)"); } + void ReadMem(int addr) { const uint8_t *data = ((uint8_t *)addr); @@ -301,11 +268,11 @@ void ReadMem(int addr) /* 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; +extern char *_bootphase1_version_pointer, _flash_start, _flash_end, _bootrom_start, _bootrom_end, __data_src_start__; void SendVersion(void) { - char temp[512]; /* Limited data payload in USB packets */ - DbpString("Prox/RFID mark3 RFID instrument"); + char temp[USB_CMD_DATA_SIZE]; /* Limited data payload in USB packets */ + char VersionString[USB_CMD_DATA_SIZE] = { '\0' }; /* Try to find the bootrom version information. Expect to find a pointer at * symbol _bootphase1_version_pointer, perform slight sanity checks on the @@ -313,33 +280,79 @@ void SendVersion(void) */ char *bootrom_version = *(char**)&_bootphase1_version_pointer; if( bootrom_version < &_flash_start || bootrom_version >= &_flash_end ) { - DbpString("bootrom version information appears invalid"); + strcat(VersionString, "bootrom version information appears invalid\n"); } else { FormatVersionInformation(temp, sizeof(temp), "bootrom: ", bootrom_version); - DbpString(temp); + strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1); } FormatVersionInformation(temp, sizeof(temp), "os: ", &version_information); - DbpString(temp); + strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1); - FpgaGatherVersion(temp, sizeof(temp)); - DbpString(temp); - // Send Chip ID - cmd_send(CMD_ACK,*(AT91C_DBGU_CIDR),0,0,NULL,0); + FpgaGatherVersion(FPGA_BITSTREAM_LF, temp, sizeof(temp)); + strncat(VersionString, temp, sizeof(VersionString) - strlen(VersionString) - 1); + FpgaGatherVersion(FPGA_BITSTREAM_HF, temp, sizeof(temp)); + strncat(VersionString, temp, 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; + cmd_send(CMD_ACK, *(AT91C_DBGU_CIDR), text_and_rodata_section_size + compressed_data_section_size, 0, VersionString, strlen(VersionString)); } -#ifdef WITH_LF -// samy's sniff and repeat routine -void SamyRun() +// measure the USB Speed by sending SpeedTestBufferSize bytes to client and measuring the elapsed time. +// Note: this mimics GetFromBigbuf(), i.e. we have the overhead of the UsbCommand structure included. +void printUSBSpeed(void) { - DbpString("Stand-alone mode! No PC necessary."); - FpgaDownloadAndGo(FPGA_BITSTREAM_LF); + Dbprintf("USB Speed:"); + Dbprintf(" Sending USB packets to client..."); - // 3 possible options? no just 2 for now -#define OPTS 2 + #define USB_SPEED_TEST_MIN_TIME 1500 // in milliseconds + uint8_t *test_data = BigBuf_get_addr(); + uint32_t end_time; - int high[OPTS], low[OPTS]; + uint32_t start_time = end_time = GetTickCount(); + uint32_t bytes_transferred = 0; + + LED_B_ON(); + while(end_time < start_time + USB_SPEED_TEST_MIN_TIME) { + cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K, 0, USB_CMD_DATA_SIZE, 0, test_data, USB_CMD_DATA_SIZE); + end_time = GetTickCount(); + bytes_transferred += USB_CMD_DATA_SIZE; + } + LED_B_OFF(); + + Dbprintf(" Time elapsed: %dms", end_time - start_time); + Dbprintf(" Bytes transferred: %d", bytes_transferred); + Dbprintf(" USB Transfer Speed PM3 -> Client = %d Bytes/s", + 1000 * bytes_transferred / (end_time - start_time)); + +} + +/** + * Prints runtime information about the PM3. +**/ +void SendStatus(void) +{ + BigBuf_print_status(); + Fpga_print_status(); + printConfig(); //LF Sampling config + printUSBSpeed(); + Dbprintf("Various"); + Dbprintf(" MF_DBGLEVEL......%d", MF_DBGLEVEL); + Dbprintf(" ToSendMax........%d",ToSendMax); + Dbprintf(" ToSendBit........%d",ToSendBit); + + cmd_send(CMD_ACK,1,0,0,0,0); +} +#if defined(WITH_ISO14443a_StandAlone) || defined(WITH_LF) + +#define OPTS 2 + +void StandAloneMode() +{ + DbpString("Stand-alone mode! No PC necessary."); // Oooh pretty -- notify user we're in elite samy mode now LED(LED_RED, 200); LED(LED_ORANGE, 200); @@ -351,6 +364,270 @@ void SamyRun() LED(LED_ORANGE, 200); LED(LED_RED, 200); +} + +#endif + + + +#ifdef WITH_ISO14443a_StandAlone +void StandAloneMode14a() +{ + StandAloneMode(); + FpgaDownloadAndGo(FPGA_BITSTREAM_HF); + + int selected = 0; + int playing = 0, iGotoRecord = 0, iGotoClone = 0; + int cardRead[OPTS] = {0}; + uint8_t readUID[10] = {0}; + uint32_t uid_1st[OPTS]={0}; + uint32_t uid_2nd[OPTS]={0}; + uint32_t uid_tmp1 = 0; + uint32_t uid_tmp2 = 0; + iso14a_card_select_t hi14a_card[OPTS]; + + LED(selected + 1, 0); + + for (;;) + { + usb_poll(); + WDT_HIT(); + SpinDelay(300); + + if (iGotoRecord == 1 || cardRead[selected] == 0) + { + iGotoRecord = 0; + LEDsoff(); + LED(selected + 1, 0); + LED(LED_RED2, 0); + + // record + Dbprintf("Enabling iso14443a reader mode for [Bank: %u]...", selected); + /* need this delay to prevent catching some weird data */ + SpinDelay(500); + /* Code for reading from 14a tag */ + uint8_t uid[10] ={0}; + uint32_t cuid; + iso14443a_setup(FPGA_HF_ISO14443A_READER_MOD); + + for ( ; ; ) + { + WDT_HIT(); + if (BUTTON_PRESS()) { + if (cardRead[selected]) { + Dbprintf("Button press detected -- replaying card in bank[%d]", selected); + break; + } + else if (cardRead[(selected+1)%OPTS]) { + Dbprintf("Button press detected but no card in bank[%d] so playing from bank[%d]", selected, (selected+1)%OPTS); + selected = (selected+1)%OPTS; + break; // playing = 1; + } + else { + Dbprintf("Button press detected but no stored tag to play. (Ignoring button)"); + SpinDelay(300); + } + } + if (!iso14443a_select_card(uid, &hi14a_card[selected], &cuid)) + continue; + else + { + Dbprintf("Read UID:"); Dbhexdump(10,uid,0); + memcpy(readUID,uid,10*sizeof(uint8_t)); + uint8_t *dst = (uint8_t *)&uid_tmp1; + // Set UID byte order + for (int i=0; i<4; i++) + dst[i] = uid[3-i]; + dst = (uint8_t *)&uid_tmp2; + for (int i=0; i<4; i++) + dst[i] = uid[7-i]; + if (uid_1st[(selected+1)%OPTS] == uid_tmp1 && uid_2nd[(selected+1)%OPTS] == uid_tmp2) { + Dbprintf("Card selected has same UID as what is stored in the other bank. Skipping."); + } + else { + if (uid_tmp2) { + Dbprintf("Bank[%d] received a 7-byte UID",selected); + uid_1st[selected] = (uid_tmp1)>>8; + uid_2nd[selected] = (uid_tmp1<<24) + (uid_tmp2>>8); + } + else { + Dbprintf("Bank[%d] received a 4-byte UID",selected); + uid_1st[selected] = uid_tmp1; + uid_2nd[selected] = uid_tmp2; + } + break; + } + } + } + Dbprintf("ATQA = %02X%02X",hi14a_card[selected].atqa[0],hi14a_card[selected].atqa[1]); + Dbprintf("SAK = %02X",hi14a_card[selected].sak); + LEDsoff(); + LED(LED_GREEN, 200); + LED(LED_ORANGE, 200); + LED(LED_GREEN, 200); + LED(LED_ORANGE, 200); + + LEDsoff(); + LED(selected + 1, 0); + + // Next state is replay: + playing = 1; + + cardRead[selected] = 1; + } + /* MF Classic UID clone */ + else if (iGotoClone==1) + { + iGotoClone=0; + LEDsoff(); + LED(selected + 1, 0); + LED(LED_ORANGE, 250); + + + // record + Dbprintf("Preparing to Clone card [Bank: %x]; uid: %08x", selected, uid_1st[selected]); + + // wait for button to be released + while(BUTTON_PRESS()) + { + // Delay cloning until card is in place + WDT_HIT(); + } + Dbprintf("Starting clone. [Bank: %u]", selected); + // need this delay to prevent catching some weird data + SpinDelay(500); + // Begin clone function here: + /* Example from client/mifarehost.c for commanding a block write for "magic Chinese" cards: + UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}}; + memcpy(c.d.asBytes, data, 16); + SendCommand(&c); + + Block read is similar: + UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}}; + We need to imitate that call with blockNo 0 to set a uid. + + The get and set commands are handled in this file: + // Work with "magic Chinese" card + case CMD_MIFARE_CSETBLOCK: + MifareCSetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; + case CMD_MIFARE_CGETBLOCK: + MifareCGetBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; + + mfCSetUID provides example logic for UID set workflow: + -Read block0 from card in field with MifareCGetBlock() + -Configure new values without replacing reserved bytes + memcpy(block0, uid, 4); // Copy UID bytes from byte array + // Mifare UID BCC + block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // BCC on byte 5 + Bytes 5-7 are reserved SAK and ATQA for mifare classic + -Use mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER) to write it + */ + uint8_t oldBlock0[16] = {0}, newBlock0[16] = {0}, testBlock0[16] = {0}; + // arg0 = Flags == CSETBLOCK_SINGLE_OPER=0x1F, arg1=returnSlot, arg2=blockNo + MifareCGetBlock(0x3F, 1, 0, oldBlock0); + if (oldBlock0[0] == 0 && oldBlock0[0] == oldBlock0[1] && oldBlock0[1] == oldBlock0[2] && oldBlock0[2] == oldBlock0[3]) { + Dbprintf("No changeable tag detected. Returning to replay mode for bank[%d]", selected); + playing = 1; + } + else { + Dbprintf("UID from target tag: %02X%02X%02X%02X", oldBlock0[0],oldBlock0[1],oldBlock0[2],oldBlock0[3]); + memcpy(newBlock0,oldBlock0,16); + // Copy uid_1st for bank (2nd is for longer UIDs not supported if classic) + + newBlock0[0] = uid_1st[selected]>>24; + newBlock0[1] = 0xFF & (uid_1st[selected]>>16); + newBlock0[2] = 0xFF & (uid_1st[selected]>>8); + newBlock0[3] = 0xFF & (uid_1st[selected]); + newBlock0[4] = newBlock0[0]^newBlock0[1]^newBlock0[2]^newBlock0[3]; + // arg0 = needWipe, arg1 = workFlags, arg2 = blockNo, datain + MifareCSetBlock(0, 0xFF,0, newBlock0); + MifareCGetBlock(0x3F, 1, 0, testBlock0); + if (memcmp(testBlock0,newBlock0,16)==0) + { + DbpString("Cloned successfull!"); + cardRead[selected] = 0; // Only if the card was cloned successfully should we clear it + playing = 0; + iGotoRecord = 1; + selected = (selected+1) % OPTS; + } + else { + Dbprintf("Clone failed. Back to replay mode on bank[%d]", selected); + playing = 1; + } + } + LEDsoff(); + LED(selected + 1, 0); + + } + // Change where to record (or begin playing) + else if (playing==1) // button_pressed == BUTTON_SINGLE_CLICK && cardRead[selected]) + { + LEDsoff(); + LED(selected + 1, 0); + + // Begin transmitting + if (playing) + { + LED(LED_GREEN, 0); + DbpString("Playing"); + for ( ; ; ) { + WDT_HIT(); + int button_action = BUTTON_HELD(1000); + if (button_action == 0) { // No button action, proceed with sim + uint8_t data[512] = {0}; // in case there is a read command received we shouldn't break + Dbprintf("Simulating ISO14443a tag with uid[0]: %08x, uid[1]: %08x [Bank: %u]", uid_1st[selected],uid_2nd[selected],selected); + if (hi14a_card[selected].sak == 8 && hi14a_card[selected].atqa[0] == 4 && hi14a_card[selected].atqa[1] == 0) { + DbpString("Mifare Classic"); + SimulateIso14443aTag(1,uid_1st[selected], uid_2nd[selected], data); // Mifare Classic + } + else if (hi14a_card[selected].sak == 0 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 0) { + DbpString("Mifare Ultralight"); + SimulateIso14443aTag(2,uid_1st[selected],uid_2nd[selected],data); // Mifare Ultralight + } + else if (hi14a_card[selected].sak == 20 && hi14a_card[selected].atqa[0] == 0x44 && hi14a_card[selected].atqa[1] == 3) { + DbpString("Mifare DESFire"); + SimulateIso14443aTag(3,uid_1st[selected],uid_2nd[selected],data); // Mifare DESFire + } + else { + Dbprintf("Unrecognized tag type -- defaulting to Mifare Classic emulation"); + SimulateIso14443aTag(1,uid_1st[selected], uid_2nd[selected], data); + } + } + else if (button_action == BUTTON_SINGLE_CLICK) { + selected = (selected + 1) % OPTS; + Dbprintf("Done playing. Switching to record mode on bank %d",selected); + iGotoRecord = 1; + break; + } + else if (button_action == BUTTON_HOLD) { + Dbprintf("Playtime over. Begin cloning..."); + iGotoClone = 1; + break; + } + WDT_HIT(); + } + + /* We pressed a button so ignore it here with a delay */ + SpinDelay(300); + LEDsoff(); + LED(selected + 1, 0); + } + else + while(BUTTON_PRESS()) + WDT_HIT(); + } + } +} +#elif WITH_LF +// samy's sniff and repeat routine +void SamyRun() +{ + StandAloneMode(); + FpgaDownloadAndGo(FPGA_BITSTREAM_LF); + + int high[OPTS], low[OPTS]; int selected = 0; int playing = 0; int cardRead = 0; @@ -361,7 +638,7 @@ void SamyRun() for (;;) { usb_poll(); - WDT_HIT(); + WDT_HIT(); // Was our button held down or pressed? int button_pressed = BUTTON_HELD(1000); @@ -385,7 +662,7 @@ void SamyRun() SpinDelay(500); CmdHIDdemodFSK(1, &high[selected], &low[selected], 0); - Dbprintf("Recorded %x %x %x", selected, high[selected], low[selected]); + Dbprintf("Recorded %x %x%08x", selected, high[selected], low[selected]); LEDsoff(); LED(selected + 1, 0); @@ -406,7 +683,7 @@ void SamyRun() LED(LED_ORANGE, 0); // record - Dbprintf("Cloning %x %x %x", selected, high[selected], low[selected]); + Dbprintf("Cloning %x %x%08x", selected, high[selected], low[selected]); // wait for button to be released while(BUTTON_PRESS()) @@ -415,8 +692,8 @@ void SamyRun() /* need this delay to prevent catching some weird data */ SpinDelay(500); - CopyHIDtoT55x7(high[selected], low[selected], 0, 0); - Dbprintf("Cloned %x %x %x", selected, high[selected], low[selected]); + CopyHIDtoT55x7(0, high[selected], low[selected], 0); + Dbprintf("Cloned %x %x%08x", selected, high[selected], low[selected]); LEDsoff(); LED(selected + 1, 0); @@ -449,7 +726,7 @@ void SamyRun() // wait for button to be released while(BUTTON_PRESS()) WDT_HIT(); - Dbprintf("%x %x %x", selected, high[selected], low[selected]); + Dbprintf("%x %x%08x", selected, high[selected], low[selected]); CmdHIDsimTAG(high[selected], low[selected], 0); DbpString("Done playing"); if (BUTTON_HELD(1000) > 0) @@ -474,8 +751,8 @@ void SamyRun() } } } -#endif +#endif /* OBJECTIVE Listen and detect an external reader. Determine the best location @@ -515,26 +792,32 @@ 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 lf_av, lf_av_new, lf_baseline= 0, lf_max; + int hf_av, hf_av_new, hf_baseline= 0, hf_max; int mode=1, display_val, display_max, i; -#define LF_ONLY 1 -#define HF_ONLY 2 +#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 + + + // switch off FPGA - we don't want to measure our own signal + FpgaDownloadAndGo(FPGA_BITSTREAM_HF); + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); - lf_av=lf_max=ReadAdc(ADC_CHAN_LF); + lf_av = lf_max = AvgAdc(ADC_CHAN_LF); if(limit != HF_ONLY) { - Dbprintf("LF 125/134 Baseline: %d", lf_av); + Dbprintf("LF 125/134kHz Baseline: %dmV", (MAX_ADC_LF_VOLTAGE * lf_av) >> 10); lf_baseline = lf_av; } - hf_av=hf_max=ReadAdc(ADC_CHAN_HF); + hf_av = hf_max = AvgAdc(ADC_CHAN_HF); if (limit != LF_ONLY) { - Dbprintf("HF 13.56 Baseline: %d", hf_av); + Dbprintf("HF 13.56MHz Baseline: %dmV", (MAX_ADC_HF_VOLTAGE * hf_av) >> 10); hf_baseline = hf_av; } @@ -557,38 +840,38 @@ void ListenReaderField(int limit) WDT_HIT(); if (limit != HF_ONLY) { - if(mode==1) { - if (abs(lf_av - lf_baseline) > 10) LED_D_ON(); - else LED_D_OFF(); + if(mode == 1) { + if (abs(lf_av - lf_baseline) > REPORT_CHANGE) + LED_D_ON(); + else + LED_D_OFF(); } - ++lf_count; - lf_av_new= ReadAdc(ADC_CHAN_LF); + lf_av_new = AvgAdc(ADC_CHAN_LF); // see if there's a significant change - if(abs(lf_av - lf_av_new) > 10) { - Dbprintf("LF 125/134 Field Change: %x %x %x", lf_av, lf_av_new, lf_count); + 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) 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(); + if (abs(hf_av - hf_baseline) > REPORT_CHANGE) + LED_B_ON(); + else + LED_B_OFF(); } - ++hf_count; - hf_av_new= ReadAdc(ADC_CHAN_HF); + hf_av_new = AvgAdc(ADC_CHAN_HF); // see if there's a significant change - if(abs(hf_av - hf_av_new) > 10) { - Dbprintf("HF 13.56 Field Change: %x %x %x", hf_av, hf_av_new, hf_count); + 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) hf_max = hf_av; - hf_count= 0; } } @@ -629,16 +912,17 @@ void UsbPacketReceived(uint8_t *packet, int len) switch(c->cmd) { #ifdef WITH_LF + case CMD_SET_LF_SAMPLING_CONFIG: + setSamplingConfig((sample_config *) c->d.asBytes); + break; case CMD_ACQUIRE_RAW_ADC_SAMPLES_125K: - AcquireRawAdcSamples125k(c->arg[0]); - cmd_send(CMD_ACK,0,0,0,0,0); + cmd_send(CMD_ACK,SampleLF(c->arg[0]),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); break; case CMD_LF_SNOOP_RAW_ADC_SAMPLES: - SnoopLFRawAdcSamples(c->arg[0], c->arg[1]); - cmd_send(CMD_ACK,0,0,0,0,0); + cmd_send(CMD_ACK,SnoopLF(),0,0,0,0); break; case CMD_HID_DEMOD_FSK: CmdHIDdemodFSK(c->arg[0], 0, 0, 1); @@ -646,6 +930,15 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_HID_SIM_TAG: CmdHIDsimTAG(c->arg[0], c->arg[1], 1); break; + case CMD_FSK_SIM_TAG: + CmdFSKsimTAG(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; + case CMD_ASK_SIM_TAG: + CmdASKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; + case CMD_PSK_SIM_TAG: + CmdPSKsimTag(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; case CMD_HID_CLONE_TAG: CopyHIDtoT55x7(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]); break; @@ -653,7 +946,7 @@ void UsbPacketReceived(uint8_t *packet, int len) CmdIOdemodFSK(c->arg[0], 0, 0, 1); break; case CMD_IO_CLONE_TAG: - CopyIOtoT55x7(c->arg[0], c->arg[1], c->d.asBytes[0]); + CopyIOtoT55x7(c->arg[0], c->arg[1]); break; case CMD_EM410X_DEMOD: CmdEM410xdemod(c->arg[0], 0, 0, 1); @@ -682,17 +975,22 @@ void UsbPacketReceived(uint8_t *packet, int len) CopyIndala224toT55x7(c->d.asDwords[0], c->d.asDwords[1], c->d.asDwords[2], c->d.asDwords[3], c->d.asDwords[4], c->d.asDwords[5], c->d.asDwords[6]); break; case CMD_T55XX_READ_BLOCK: - T55xxReadBlock(c->arg[1], c->arg[2],c->d.asBytes[0]); + T55xxReadBlock(c->arg[0], c->arg[1], c->arg[2]); break; case CMD_T55XX_WRITE_BLOCK: T55xxWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]); break; - case CMD_T55XX_READ_TRACE: - T55xxReadTrace(); + case CMD_T55XX_WAKEUP: + T55xxWakeUp(c->arg[0]); + break; + case CMD_T55XX_RESET_READ: + T55xxResetRead(); break; case CMD_PCF7931_READ: ReadPCF7931(); - cmd_send(CMD_ACK,0,0,0,0,0); + break; + case CMD_PCF7931_WRITE: + 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]); @@ -700,6 +998,12 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_EM4X_WRITE_WORD: EM4xWriteWord(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes[0]); break; + case CMD_AWID_DEMOD_FSK: // Set realtime AWID demodulation + CmdAWIDdemodFSK(c->arg[0], 0, 0, 1); + break; + case CMD_VIKING_CLONE_TAG: + CopyVikingtoT55xx(c->arg[0], c->arg[1], c->arg[2]); + break; #endif #ifdef WITH_HITAG @@ -713,7 +1017,7 @@ void UsbPacketReceived(uint8_t *packet, int len) ReaderHitag((hitag_function)c->arg[0],(hitag_data*)c->d.asBytes); break; #endif - + #ifdef WITH_ISO15693 case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693: AcquireRawAdcSamplesIso15693(); @@ -757,20 +1061,17 @@ void UsbPacketReceived(uint8_t *packet, int len) #endif #ifdef WITH_ISO14443b - case CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_14443: - AcquireRawAdcSamplesIso14443(c->arg[0]); - break; case CMD_READ_SRI512_TAG: - ReadSTMemoryIso14443(0x0F); + ReadSTMemoryIso14443b(0x0F); break; case CMD_READ_SRIX4K_TAG: - ReadSTMemoryIso14443(0x7F); + ReadSTMemoryIso14443b(0x7F); break; - case CMD_SNOOP_ISO_14443: - SnoopIso14443(); + case CMD_SNOOP_ISO_14443B: + SnoopIso14443b(); break; - case CMD_SIMULATE_TAG_ISO_14443: - SimulateIso14443Tag(); + case CMD_SIMULATE_TAG_ISO_14443B: + SimulateIso14443bTag(); break; case CMD_ISO_14443B_COMMAND: SendRawCommand14443B(c->arg[0],c->arg[1],c->arg[2],c->d.asBytes); @@ -791,31 +1092,40 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_EPA_PACE_COLLECT_NONCE: EPA_PACE_Collect_Nonce(c); break; + case CMD_EPA_PACE_REPLAY: + EPA_PACE_Replay(c); + break; case CMD_READER_MIFARE: - ReaderMifare(c->arg[0]); + ReaderMifare(c->arg[0]); break; case CMD_MIFARE_READBL: MifareReadBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); break; case CMD_MIFAREU_READBL: - MifareUReadBlock(c->arg[0],c->d.asBytes); + MifareUReadBlock(c->arg[0],c->arg[1], c->d.asBytes); + break; + case CMD_MIFAREUC_AUTH: + MifareUC_Auth(c->arg[0],c->d.asBytes); break; case CMD_MIFAREU_READCARD: - MifareUReadCard(c->arg[0], c->arg[1], c->d.asBytes); - break; + MifareUReadCard(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); + break; + case CMD_MIFAREUC_SETPWD: + MifareUSetPwd(c->arg[0], c->d.asBytes); + break; case CMD_MIFARE_READSC: MifareReadSector(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); break; case CMD_MIFARE_WRITEBL: MifareWriteBlock(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); break; - case CMD_MIFAREU_WRITEBL_COMPAT: - MifareUWriteBlock(c->arg[0], c->d.asBytes); - break; + //case CMD_MIFAREU_WRITEBL_COMPAT: + //MifareUWriteBlockCompat(c->arg[0], c->d.asBytes); + //break; case CMD_MIFAREU_WRITEBL: - MifareUWriteBlock_Special(c->arg[0], c->d.asBytes); - break; + MifareUWriteBlock(c->arg[0], c->arg[1], c->d.asBytes); + break; case CMD_MIFARE_NESTED: MifareNested(c->arg[0], c->arg[1], c->arg[2], c->d.asBytes); break; @@ -858,6 +1168,7 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_MIFARE_SNIFFER: SniffMifare(c->arg[0]); break; + #endif #ifdef WITH_ICLASS @@ -872,16 +1183,38 @@ void UsbPacketReceived(uint8_t *packet, int len) ReaderIClass(c->arg[0]); break; case CMD_READER_ICLASS_REPLAY: - ReaderIClass_Replay(c->arg[0], c->d.asBytes); + ReaderIClass_Replay(c->arg[0], c->d.asBytes); + break; + case CMD_ICLASS_EML_MEMSET: + emlSet(c->d.asBytes,c->arg[0], c->arg[1]); + break; + case CMD_ICLASS_WRITEBLOCK: + iClass_WriteBlock(c->arg[0], c->d.asBytes); + break; + case CMD_ICLASS_READCHECK: // auth step 1 + iClass_ReadCheck(c->arg[0], c->arg[1]); + break; + case CMD_ICLASS_READBLOCK: + iClass_ReadBlk(c->arg[0]); + break; + case CMD_ICLASS_AUTHENTICATION: //check + iClass_Authentication(c->d.asBytes); + break; + case CMD_ICLASS_DUMP: + iClass_Dump(c->arg[0], c->arg[1]); + break; + case CMD_ICLASS_CLONE: + iClass_Clone(c->arg[0], c->arg[1], c->d.asBytes); break; #endif - - case CMD_SIMULATE_TAG_HF_LISTEN: - SimulateTagHfListen(); +#ifdef WITH_HFSNOOP + case CMD_HF_SNIFFER: + HfSnoop(c->arg[0], c->arg[1]); break; +#endif case CMD_BUFF_CLEAR: - BufferClear(); + BigBuf_Clear(); break; case CMD_MEASURE_ANTENNA_TUNING: @@ -905,17 +1238,18 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: LED_B_ON(); + uint8_t *BigBuf = BigBuf_get_addr(); for(size_t i=0; iarg[1]; i += USB_CMD_DATA_SIZE) { size_t len = MIN((c->arg[1] - i),USB_CMD_DATA_SIZE); - cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,0,((byte_t*)BigBuf)+c->arg[0]+i,len); + cmd_send(CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K,i,len,BigBuf_get_traceLen(),BigBuf+c->arg[0]+i,len); } // Trigger a finish downloading signal with an ACK frame - cmd_send(CMD_ACK,0,0,0,0,0); + cmd_send(CMD_ACK,1,0,BigBuf_get_traceLen(),getSamplingConfig(),sizeof(sample_config)); LED_B_OFF(); break; case CMD_DOWNLOADED_SIM_SAMPLES_125K: { - uint8_t *b = (uint8_t *)BigBuf; + 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; @@ -941,7 +1275,12 @@ void UsbPacketReceived(uint8_t *packet, int len) case CMD_VERSION: SendVersion(); break; - + case CMD_STATUS: + SendStatus(); + break; + case CMD_PING: + cmd_send(CMD_ACK,0,0,0,0,0); + break; #ifdef WITH_LCD case CMD_LCD_RESET: LCDReset(); @@ -1009,7 +1348,7 @@ void __attribute__((noreturn)) AppMain(void) AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_PCK0; // PCK0 is PLL clock / 4 = 96Mhz / 4 = 24Mhz AT91C_BASE_PMC->PMC_PCKR[0] = AT91C_PMC_CSS_PLL_CLK | - AT91C_PMC_PRES_CLK_4; + AT91C_PMC_PRES_CLK_4; // 4 for 24Mhz pck0, 2 for 48 MHZ pck0 AT91C_BASE_PIOA->PIO_OER = GPIO_PCK0; // Reset SPI @@ -1040,8 +1379,16 @@ void __attribute__((noreturn)) AppMain(void) WDT_HIT(); #ifdef WITH_LF +#ifndef WITH_ISO14443a_StandAlone if (BUTTON_HELD(1000) > 0) SamyRun(); +#endif +#endif +#ifdef WITH_ISO14443a +#ifdef WITH_ISO14443a_StandAlone + if (BUTTON_HELD(1000) > 0) + StandAloneMode14a(); +#endif #endif } }