+ size_t size=0; //, found=0;
+ uint32_t hi2=0, hi=0, lo=0;
+
+ // Configure to go in 125Khz listen mode
+ LFSetupFPGAForADC(95, true);
+
+ while(!BUTTON_PRESS()) {
+
+ WDT_HIT();
+ if (ledcontrol) LED_A_ON();
+
+ DoAcquisition125k_internal(-1,true);
+ // FSK demodulator
+ size = HIDdemodFSK(dest, sizeof(BigBuf), &hi2, &hi, &lo);
+
+ WDT_HIT();
+
+ if (size>0 && lo>0){
+ // final loop, go over previously decoded manchester data and decode into usable tag ID
+ // 111000 bit pattern represent start of frame, 01 pattern represents a 1 and 10 represents a 0
+ if (hi2 != 0){ //extra large HID tags
+ Dbprintf("TAG ID: %x%08x%08x (%d)",
+ (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
+ }else { //standard HID tags <38 bits
+ //Dbprintf("TAG ID: %x%08x (%d)",(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); //old print cmd
+ uint8_t bitlen = 0;
+ uint32_t fc = 0;
+ uint32_t cardnum = 0;
+ if (((hi>>5)&1) == 1){//if bit 38 is set then < 37 bit format is used
+ uint32_t lo2=0;
+ lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
+ uint8_t idx3 = 1;
+ while(lo2 > 1){ //find last bit set to 1 (format len bit)
+ lo2=lo2 >> 1;
+ idx3++;
+ }
+ bitlen = idx3+19;
+ fc =0;
+ cardnum=0;
+ if(bitlen == 26){
+ cardnum = (lo>>1)&0xFFFF;
+ fc = (lo>>17)&0xFF;
+ }
+ if(bitlen == 37){
+ cardnum = (lo>>1)&0x7FFFF;
+ fc = ((hi&0xF)<<12)|(lo>>20);
+ }
+ if(bitlen == 34){
+ cardnum = (lo>>1)&0xFFFF;
+ fc= ((hi&1)<<15)|(lo>>17);
+ }
+ if(bitlen == 35){
+ cardnum = (lo>>1)&0xFFFFF;
+ fc = ((hi&1)<<11)|(lo>>21);
+ }
+ }
+ else { //if bit 38 is not set then 37 bit format is used
+ bitlen= 37;
+ fc =0;
+ cardnum=0;
+ if(bitlen==37){
+ cardnum = (lo>>1)&0x7FFFF;
+ fc = ((hi&0xF)<<12)|(lo>>20);
+ }
+ }
+ //Dbprintf("TAG ID: %x%08x (%d)",
+ // (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
+ Dbprintf("TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d",
+ (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ (unsigned int) bitlen, (unsigned int) fc, (unsigned int) cardnum);
+ }
+ if (findone){
+ if (ledcontrol) LED_A_OFF();
+ return;
+ }
+ // reset
+ hi2 = hi = lo = 0;
+ }
+ WDT_HIT();
+ }
+ DbpString("Stopped");
+ if (ledcontrol) LED_A_OFF();
+}
+
+void CmdEM410xdemod(int findone, int *high, int *low, int ledcontrol)
+{
+ uint8_t *dest = (uint8_t *)BigBuf;
+
+ size_t size=0;
+ int clk=0, invert=0, errCnt=0;
+ uint64_t lo=0;
+ // Configure to go in 125Khz listen mode
+ LFSetupFPGAForADC(95, true);
+
+ while(!BUTTON_PRESS()) {
+
+ WDT_HIT();
+ if (ledcontrol) LED_A_ON();
+
+ DoAcquisition125k_internal(-1,true);
+ size = sizeof(BigBuf);
+ //Dbprintf("DEBUG: Buffer got");
+ //askdemod and manchester decode
+ errCnt = askmandemod(dest, &size, &clk, &invert);
+ //Dbprintf("DEBUG: ASK Got");
+ WDT_HIT();
+
+ if (errCnt>=0){
+ lo = Em410xDecode(dest,size);
+ //Dbprintf("DEBUG: EM GOT");
+ if (lo>0){
+ Dbprintf("EM TAG ID: %02x%08x - (%05d_%03d_%08d)",
+ (uint32_t)(lo>>32),
+ (uint32_t)lo,
+ (uint32_t)(lo&0xFFFF),
+ (uint32_t)((lo>>16LL) & 0xFF),
+ (uint32_t)(lo & 0xFFFFFF));
+ }
+ if (findone){
+ if (ledcontrol) LED_A_OFF();
+ return;
+ }
+ } else{
+ //Dbprintf("DEBUG: No Tag");
+ }
+ WDT_HIT();
+ lo = 0;
+ clk=0;
+ invert=0;
+ errCnt=0;
+ size=0;
+ }
+ DbpString("Stopped");
+ if (ledcontrol) LED_A_OFF();
+}
+
+void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
+{
+ uint8_t *dest = (uint8_t *)BigBuf;
+ int idx=0;
+ uint32_t code=0, code2=0;
+ uint8_t version=0;
+ uint8_t facilitycode=0;
+ uint16_t number=0;
+ // Configure to go in 125Khz listen mode
+ LFSetupFPGAForADC(95, true);
+
+ while(!BUTTON_PRESS()) {
+ WDT_HIT();
+ if (ledcontrol) LED_A_ON();
+ DoAcquisition125k_internal(-1,true);
+ //fskdemod and get start index
+ WDT_HIT();
+ idx = IOdemodFSK(dest,sizeof(BigBuf));
+ if (idx>0){
+ //valid tag found
+
+ //Index map
+ //0 10 20 30 40 50 60
+ //| | | | | | |
+ //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23
+ //-----------------------------------------------------------------------------
+ //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11
+ //
+ //XSF(version)facility:codeone+codetwo
+ //Handle the data
+ if(findone){ //only print binary if we are doing one
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx], dest[idx+1], dest[idx+2],dest[idx+3],dest[idx+4],dest[idx+5],dest[idx+6],dest[idx+7],dest[idx+8]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+9], dest[idx+10],dest[idx+11],dest[idx+12],dest[idx+13],dest[idx+14],dest[idx+15],dest[idx+16],dest[idx+17]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+18],dest[idx+19],dest[idx+20],dest[idx+21],dest[idx+22],dest[idx+23],dest[idx+24],dest[idx+25],dest[idx+26]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+27],dest[idx+28],dest[idx+29],dest[idx+30],dest[idx+31],dest[idx+32],dest[idx+33],dest[idx+34],dest[idx+35]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+36],dest[idx+37],dest[idx+38],dest[idx+39],dest[idx+40],dest[idx+41],dest[idx+42],dest[idx+43],dest[idx+44]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d",dest[idx+45],dest[idx+46],dest[idx+47],dest[idx+48],dest[idx+49],dest[idx+50],dest[idx+51],dest[idx+52],dest[idx+53]);
+ Dbprintf("%d%d%d%d%d%d%d%d %d%d",dest[idx+54],dest[idx+55],dest[idx+56],dest[idx+57],dest[idx+58],dest[idx+59],dest[idx+60],dest[idx+61],dest[idx+62],dest[idx+63]);
+ }
+ code = bytebits_to_byte(dest+idx,32);
+ code2 = bytebits_to_byte(dest+idx+32,32);
+ version = bytebits_to_byte(dest+idx+27,8); //14,4
+ facilitycode = bytebits_to_byte(dest+idx+18,8) ;
+ number = (bytebits_to_byte(dest+idx+36,8)<<8)|(bytebits_to_byte(dest+idx+45,8)); //36,9
+
+ Dbprintf("XSF(%02d)%02x:%05d (%08x%08x)",version,facilitycode,number,code,code2);
+ // if we're only looking for one tag
+ if (findone){
+ if (ledcontrol) LED_A_OFF();
+ //LED_A_OFF();
+ return;
+ }
+ code=code2=0;
+ version=facilitycode=0;
+ number=0;
+ idx=0;
+ }
+ WDT_HIT();
+ }
+ DbpString("Stopped");
+ if (ledcontrol) LED_A_OFF();
+}
+
+/*------------------------------
+ * T5555/T5557/T5567 routines
+ *------------------------------
+ */
+
+/* T55x7 configuration register definitions */
+#define T55x7_POR_DELAY 0x00000001
+#define T55x7_ST_TERMINATOR 0x00000008
+#define T55x7_PWD 0x00000010
+#define T55x7_MAXBLOCK_SHIFT 5
+#define T55x7_AOR 0x00000200
+#define T55x7_PSKCF_RF_2 0
+#define T55x7_PSKCF_RF_4 0x00000400
+#define T55x7_PSKCF_RF_8 0x00000800
+#define T55x7_MODULATION_DIRECT 0
+#define T55x7_MODULATION_PSK1 0x00001000
+#define T55x7_MODULATION_PSK2 0x00002000
+#define T55x7_MODULATION_PSK3 0x00003000
+#define T55x7_MODULATION_FSK1 0x00004000
+#define T55x7_MODULATION_FSK2 0x00005000
+#define T55x7_MODULATION_FSK1a 0x00006000
+#define T55x7_MODULATION_FSK2a 0x00007000
+#define T55x7_MODULATION_MANCHESTER 0x00008000
+#define T55x7_MODULATION_BIPHASE 0x00010000
+#define T55x7_BITRATE_RF_8 0
+#define T55x7_BITRATE_RF_16 0x00040000
+#define T55x7_BITRATE_RF_32 0x00080000
+#define T55x7_BITRATE_RF_40 0x000C0000
+#define T55x7_BITRATE_RF_50 0x00100000
+#define T55x7_BITRATE_RF_64 0x00140000
+#define T55x7_BITRATE_RF_100 0x00180000
+#define T55x7_BITRATE_RF_128 0x001C0000
+
+/* T5555 (Q5) configuration register definitions */
+#define T5555_ST_TERMINATOR 0x00000001
+#define T5555_MAXBLOCK_SHIFT 0x00000001
+#define T5555_MODULATION_MANCHESTER 0
+#define T5555_MODULATION_PSK1 0x00000010
+#define T5555_MODULATION_PSK2 0x00000020
+#define T5555_MODULATION_PSK3 0x00000030
+#define T5555_MODULATION_FSK1 0x00000040
+#define T5555_MODULATION_FSK2 0x00000050
+#define T5555_MODULATION_BIPHASE 0x00000060
+#define T5555_MODULATION_DIRECT 0x00000070
+#define T5555_INVERT_OUTPUT 0x00000080
+#define T5555_PSK_RF_2 0
+#define T5555_PSK_RF_4 0x00000100
+#define T5555_PSK_RF_8 0x00000200
+#define T5555_USE_PWD 0x00000400
+#define T5555_USE_AOR 0x00000800
+#define T5555_BITRATE_SHIFT 12
+#define T5555_FAST_WRITE 0x00004000
+#define T5555_PAGE_SELECT 0x00008000
+
+/*
+ * Relevant times in microsecond
+ * To compensate antenna falling times shorten the write times
+ * and enlarge the gap ones.
+ */
+#define START_GAP 250
+#define WRITE_GAP 160
+#define WRITE_0 144 // 192
+#define WRITE_1 400 // 432 for T55x7; 448 for E5550
+
+// Write one bit to card
+void T55xxWriteBit(int bit)
+{
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
projects / proxmark3-svn / blobdiff