]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - armsrc/lfops.c
Fix typo in helps
[proxmark3-svn] / armsrc / lfops.c
index 29331754ee6d77aa2b0ab751db7e6c5740233a8f..566ba1d40982ce2a2cb2e368383b5dc533787d80 100644 (file)
@@ -72,7 +72,7 @@ void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
 
        // now do the read
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
 
        // now do the read
-       DoAcquisition_config(false);
+       DoAcquisition_config(false, 0);
 }
 
 /* blank r/w tag data stream
 }
 
 /* blank r/w tag data stream
@@ -769,6 +769,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
        size_t size; 
        uint32_t hi2=0, hi=0, lo=0;
        int idx=0;
        size_t size; 
        uint32_t hi2=0, hi=0, lo=0;
        int idx=0;
+       int dummyIdx = 0;
        // Configure to go in 125Khz listen mode
        LFSetupFPGAForADC(95, true);
 
        // Configure to go in 125Khz listen mode
        LFSetupFPGAForADC(95, true);
 
@@ -784,7 +785,7 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                // FSK demodulator
                //size = sizeOfBigBuff;  //variable size will change after demod so re initialize it before use
                size = 50*128*2; //big enough to catch 2 sequences of largest format
                // FSK demodulator
                //size = sizeOfBigBuff;  //variable size will change after demod so re initialize it before use
                size = 50*128*2; //big enough to catch 2 sequences of largest format
-               idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo);
+               idx = HIDdemodFSK(dest, &size, &hi2, &hi, &lo, &dummyIdx);
                
                if (idx>0 && lo>0 && (size==96 || size==192)){
                        // go over previously decoded manchester data and decode into usable tag ID
                
                if (idx>0 && lo>0 && (size==96 || size==192)){
                        // go over previously decoded manchester data and decode into usable tag ID
@@ -861,7 +862,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 {
        uint8_t *dest = BigBuf_get_addr();
        size_t size; 
 {
        uint8_t *dest = BigBuf_get_addr();
        size_t size; 
-       int idx=0;
+       int idx=0, dummyIdx=0;
        //clear read buffer
        BigBuf_Clear_keep_EM();
        // Configure to go in 125Khz listen mode
        //clear read buffer
        BigBuf_Clear_keep_EM();
        // Configure to go in 125Khz listen mode
@@ -875,7 +876,7 @@ void CmdAWIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
                DoAcquisition_default(-1,true);
                // FSK demodulator
                size = 50*128*2; //big enough to catch 2 sequences of largest format
                DoAcquisition_default(-1,true);
                // FSK demodulator
                size = 50*128*2; //big enough to catch 2 sequences of largest format
-               idx = AWIDdemodFSK(dest, &size);
+               idx = AWIDdemodFSK(dest, &size, &dummyIdx);
                
                if (idx<=0 || size!=96) continue;
                // Index map
                
                if (idx<=0 || size!=96) continue;
                // Index map
@@ -1017,6 +1018,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
        uint8_t version=0;
        uint8_t facilitycode=0;
        uint16_t number=0;
        uint8_t version=0;
        uint8_t facilitycode=0;
        uint16_t number=0;
+       int dummyIdx=0;
        //clear read buffer
        BigBuf_Clear_keep_EM();
        // Configure to go in 125Khz listen mode
        //clear read buffer
        BigBuf_Clear_keep_EM();
        // Configure to go in 125Khz listen mode
@@ -1028,7 +1030,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
                DoAcquisition_default(-1,true);
                //fskdemod and get start index
                WDT_HIT();
                DoAcquisition_default(-1,true);
                //fskdemod and get start index
                WDT_HIT();
-               idx = IOdemodFSK(dest, BigBuf_max_traceLen());
+               idx = IOdemodFSK(dest, BigBuf_max_traceLen(), &dummyIdx);
                if (idx<0) continue;
                //valid tag found
 
                if (idx<0) continue;
                //valid tag found
 
@@ -1096,7 +1098,7 @@ void CmdIOdemodFSK(int findone, int *high, int *low, int ledcontrol)
 void TurnReadLFOn(int delay) {
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
        // Give it a bit of time for the resonant antenna to settle.
 void TurnReadLFOn(int delay) {
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
        // Give it a bit of time for the resonant antenna to settle.
-       SpinDelayUs(delay); //155*8 //50*8
+       WaitUS(delay); //155*8 //50*8
 }
 
 // Write one bit to card
 }
 
 // Write one bit to card
@@ -1106,7 +1108,7 @@ void T55xxWriteBit(int bit) {
        else
                TurnReadLFOn(WRITE_1);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        else
                TurnReadLFOn(WRITE_1);
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelayUs(WRITE_GAP);
+       WaitUS(WRITE_GAP);
 }
 
 // Send T5577 reset command then read stream (see if we can identify the start of the stream)
 }
 
 // Send T5577 reset command then read stream (see if we can identify the start of the stream)
@@ -1117,20 +1119,22 @@ void T55xxResetRead(void) {
 
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
 
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
-
+       StartTicks();
+       // make sure tag is fully powered up...
+       WaitMS(5);
+       
        // Trigger T55x7 in mode.
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        // Trigger T55x7 in mode.
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelayUs(START_GAP);
+       WaitUS(START_GAP);
 
        // reset tag - op code 00
        T55xxWriteBit(0);
        T55xxWriteBit(0);
 
 
        // reset tag - op code 00
        T55xxWriteBit(0);
        T55xxWriteBit(0);
 
-       // Turn field on to read the response
        TurnReadLFOn(READ_GAP);
 
        // Acquisition
        TurnReadLFOn(READ_GAP);
 
        // Acquisition
-       doT55x7Acquisition(BigBuf_max_traceLen());
+       DoPartialAcquisition(0, true, BigBuf_max_traceLen());
 
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
 
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
@@ -1143,19 +1147,24 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg
        LED_A_ON();
        bool PwdMode = arg & 0x1;
        uint8_t Page = (arg & 0x2)>>1;
        LED_A_ON();
        bool PwdMode = arg & 0x1;
        uint8_t Page = (arg & 0x2)>>1;
+       bool testMode = arg & 0x4;
        uint32_t i = 0;
 
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
        uint32_t i = 0;
 
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
-
+       StartTicks();
+       // make sure tag is fully powered up...
+       WaitMS(5);
        // Trigger T55x7 in mode.
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        // Trigger T55x7 in mode.
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelayUs(START_GAP);
+       WaitUS(START_GAP);
 
 
-       // Opcode 10
-       T55xxWriteBit(1);
-       T55xxWriteBit(Page); //Page 0
-       if (PwdMode){
+       if (testMode) Dbprintf("TestMODE");
+       // Std Opcode 10
+       T55xxWriteBit(testMode ? 0 : 1);
+       T55xxWriteBit(testMode ? 1 : Page); //Page 0
+
+       if (PwdMode) {
                // Send Pwd
                for (i = 0x80000000; i != 0; i >>= 1)
                        T55xxWriteBit(Pwd & i);
                // Send Pwd
                for (i = 0x80000000; i != 0; i >>= 1)
                        T55xxWriteBit(Pwd & i);
@@ -1173,11 +1182,31 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg
 
        // Perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
        // so wait a little more)
 
        // Perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
        // so wait a little more)
-       TurnReadLFOn(20 * 1000);
+
+       // "there is a clock delay before programming" 
+       //  - programming takes ~5.6ms for t5577 ~18ms for E5550 or t5567
+       //  so we should wait 1 clock + 5.6ms then read response? 
+       //  but we need to know we are dealing with t5577 vs t5567 vs e5550 (or q5) marshmellow...
+       if (testMode) {
+               //TESTMODE TIMING TESTS: 
+               // <566us does nothing 
+               // 566-568 switches between wiping to 0s and doing nothing
+               // 5184 wipes and allows 1 block to be programmed.
+               // indefinite power on wipes and then programs all blocks with bitshifted data sent.
+               TurnReadLFOn(5184); 
+
+       } else {
+               TurnReadLFOn(20 * 1000);
                //could attempt to do a read to confirm write took
                // as the tag should repeat back the new block 
                // until it is reset, but to confirm it we would 
                //could attempt to do a read to confirm write took
                // as the tag should repeat back the new block 
                // until it is reset, but to confirm it we would 
-               // need to know the current block 0 config mode
+               // need to know the current block 0 config mode for
+               // modulation clock an other details to demod the response...
+               // response should be (for t55x7) a 0 bit then (ST if on) 
+               // block data written in on repeat until reset. 
+
+               //DoPartialAcquisition(20, true, 12000);
+       }
 
        // turn field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 
        // turn field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
@@ -1196,7 +1225,7 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
        bool PwdMode = arg0 & 0x1;
        uint8_t Page = (arg0 & 0x2) >> 1;
        uint32_t i = 0;
        bool PwdMode = arg0 & 0x1;
        uint8_t Page = (arg0 & 0x2) >> 1;
        uint32_t i = 0;
-       bool RegReadMode = (Block == 0xFF);
+       bool RegReadMode = (Block == 0xFF);//regular read mode
 
        //clear buffer now so it does not interfere with timing later
        BigBuf_Clear_ext(false);
 
        //clear buffer now so it does not interfere with timing later
        BigBuf_Clear_ext(false);
@@ -1206,10 +1235,12 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
 
        // Set up FPGA, 125kHz to power up the tag
        LFSetupFPGAForADC(95, true);
 
        // Set up FPGA, 125kHz to power up the tag
        LFSetupFPGAForADC(95, true);
-
+       StartTicks();
+       // make sure tag is fully powered up...
+       WaitMS(5);
        // Trigger T55x7 Direct Access Mode with start gap
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        // Trigger T55x7 Direct Access Mode with start gap
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelayUs(START_GAP);
+       WaitUS(START_GAP);
 
        // Opcode 1[page]
        T55xxWriteBit(1);
 
        // Opcode 1[page]
        T55xxWriteBit(1);
@@ -1229,10 +1260,13 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
                        T55xxWriteBit(Block & i);               
 
        // Turn field on to read the response
                        T55xxWriteBit(Block & i);               
 
        // Turn field on to read the response
-       TurnReadLFOn(READ_GAP);
+       // 137*8 seems to get to the start of data pretty well... 
+       //  but we want to go past the start and let the repeating data settle in...
+       TurnReadLFOn(210*8); 
 
        // Acquisition
 
        // Acquisition
-       doT55x7Acquisition(12000);
+       // Now do the acquisition
+       DoPartialAcquisition(0, true, 12000);
 
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
 
        // Turn the field off
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
@@ -1246,10 +1280,13 @@ void T55xxWakeUp(uint32_t Pwd){
        
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
        
        // Set up FPGA, 125kHz
        LFSetupFPGAForADC(95, true);
+       StartTicks();
+       // make sure tag is fully powered up...
+       WaitMS(5);
        
        // Trigger T55x7 Direct Access Mode
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
        
        // Trigger T55x7 Direct Access Mode
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-       SpinDelayUs(START_GAP);
+       WaitUS(START_GAP);
        
        // Opcode 10
        T55xxWriteBit(1);
        
        // Opcode 10
        T55xxWriteBit(1);
@@ -1367,7 +1404,7 @@ void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t
 // clone viking tag to T55xx
 void CopyVikingtoT55xx(uint32_t block1, uint32_t block2, uint8_t Q5) {
        uint32_t data[] = {T55x7_BITRATE_RF_32 | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT), block1, block2};
 // clone viking tag to T55xx
 void CopyVikingtoT55xx(uint32_t block1, uint32_t block2, uint8_t Q5) {
        uint32_t data[] = {T55x7_BITRATE_RF_32 | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT), block1, block2};
-       if (Q5) data[0] = ( ((32-2)>>1) << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | 2 << T5555_MAXBLOCK_SHIFT;
+       if (Q5) data[0] = T5555_SET_BITRATE(32) | T5555_MODULATION_MANCHESTER | 2 << T5555_MAXBLOCK_SHIFT;
        // Program the data blocks for supplied ID and the block 0 config
        WriteT55xx(data, 0, 3);
        LED_D_OFF();
        // Program the data blocks for supplied ID and the block 0 config
        WriteT55xx(data, 0, 3);
        LED_D_OFF();
@@ -1451,8 +1488,7 @@ void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) {
                }
                data[0] = clock | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT);
        } else { //t5555 (Q5)
                }
                data[0] = clock | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT);
        } else { //t5555 (Q5)
-               clock = (clock-2)>>1;  //n = (RF-2)/2
-               data[0] = (clock << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT);
+               data[0] = T5555_SET_BITRATE(clock) | T5555_MODULATION_MANCHESTER | (2 << T5555_MAXBLOCK_SHIFT);
        }
 
        WriteT55xx(data, 0, 3);
        }
 
        WriteT55xx(data, 0, 3);
@@ -1571,27 +1607,27 @@ void SendForward(uint8_t fwd_bit_count) {
        fwd_write_ptr = forwardLink_data;
        fwd_bit_sz = fwd_bit_count;
 
        fwd_write_ptr = forwardLink_data;
        fwd_bit_sz = fwd_bit_count;
 
-       // Set up FPGA, 125kHz
+       // Set up FPGA, 125kHz or 95 divisor
        LFSetupFPGAForADC(95, true);
        LFSetupFPGAForADC(95, true);
-       
+
        // force 1st mod pulse (start gap must be longer for 4305)
        fwd_bit_sz--; //prepare next bit modulation
        fwd_write_ptr++;
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        // force 1st mod pulse (start gap must be longer for 4305)
        fwd_bit_sz--; //prepare next bit modulation
        fwd_write_ptr++;
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
-       SpinDelayUs(55*8); //55 cycles off (8us each)for 4305
+       WaitUS(55*8); //55 cycles off (8us each)for 4305  //another reader has 37 here...
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
-       SpinDelayUs(16*8); //16 cycles on (8us each)
+       WaitUS(18*8); //18 cycles on (8us each)
 
        // now start writting
        while(fwd_bit_sz-- > 0) { //prepare next bit modulation
                if(((*fwd_write_ptr++) & 1) == 1)
 
        // now start writting
        while(fwd_bit_sz-- > 0) { //prepare next bit modulation
                if(((*fwd_write_ptr++) & 1) == 1)
-                       SpinDelayUs(32*8); //32 cycles at 125Khz (8us each)
+                       WaitUS(32*8); //32 cycles at 125Khz (8us each)
                else {
                        //These timings work for 4469/4269/4305 (with the 55*8 above)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
                else {
                        //These timings work for 4469/4269/4305 (with the 55*8 above)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
-                       SpinDelayUs(20*8); //16-4 cycles off (8us each) //23
+                       WaitUS(23*8); //23 cycles off (8us each)
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
                        FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);//field on
-                       SpinDelayUs(12*8); //16 cycles on (8us each) //9
+                       WaitUS(18*8); //18 cycles on (8us each)
                }
        }
 }
                }
        }
 }
@@ -1618,6 +1654,7 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
+       StartTicks();
        //If password mode do login
        if (PwdMode == 1) EM4xLogin(Pwd);
 
        //If password mode do login
        if (PwdMode == 1) EM4xLogin(Pwd);
 
@@ -1626,9 +1663,9 @@ void EM4xReadWord(uint8_t Address, uint32_t Pwd, uint8_t PwdMode) {
        fwd_bit_count += Prepare_Addr( Address );
 
        SendForward(fwd_bit_count);
        fwd_bit_count += Prepare_Addr( Address );
 
        SendForward(fwd_bit_count);
-
+       WaitUS(400);
        // Now do the acquisition
        // Now do the acquisition
-       DoAcquisition_default(30,TRUE);
+       DoPartialAcquisition(20, true, 6000);
        
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();
        
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();
@@ -1645,6 +1682,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
        BigBuf_Clear_ext(false);
 
        LED_A_ON();
+       StartTicks();
        //If password mode do login
        if (PwdMode) EM4xLogin(Pwd);
 
        //If password mode do login
        if (PwdMode) EM4xLogin(Pwd);
 
@@ -1656,10 +1694,11 @@ void EM4xWriteWord(uint32_t flag, uint32_t Data, uint32_t Pwd) {
        SendForward(fwd_bit_count);
 
        //Wait for write to complete
        SendForward(fwd_bit_count);
 
        //Wait for write to complete
-       //SpinDelay(5);
+       //SpinDelay(10);
 
 
+       WaitUS(6500);
        //Capture response if one exists
        //Capture response if one exists
-       DoAcquisition_default(30, TRUE);
+       DoPartialAcquisition(20, true, 6000);
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();
 
        FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
        LED_A_OFF();
@@ -1716,7 +1755,7 @@ void Cotag(uint32_t arg0) {
        switch(rawsignal) {
                case 0: doCotagAcquisition(50000); break;
                case 1: doCotagAcquisitionManchester(); break;
        switch(rawsignal) {
                case 0: doCotagAcquisition(50000); break;
                case 1: doCotagAcquisitionManchester(); break;
-               case 2: DoAcquisition_config(TRUE); break;
+               case 2: DoAcquisition_config(true, 0); break;
        }
 
        // Turn the field off
        }
 
        // Turn the field off
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