#include "lfdemod.h"
#include "lfsampling.h"
#include "protocols.h"
-#include "usb_cdc.h" //test
+#include "usb_cdc.h" // for usb_poll_validate_length
/**
* Function to do a modulation and then get samples.
* @param delay_off
- * @param period_0
- * @param period_1
+ * @param periods 0xFFFF0000 is period_0, 0x0000FFFF is period_1
+ * @param useHighFreg
* @param command
*/
-void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t period_0, uint32_t period_1, uint8_t *command)
+void ModThenAcquireRawAdcSamples125k(uint32_t delay_off, uint32_t periods, uint32_t useHighFreq, uint8_t *command)
{
+ /* Make sure the tag is reset */
+ FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelay(200);
- int divisor_used = 95; // 125 KHz
- // see if 'h' was specified
-
- if (command[strlen((char *) command) - 1] == 'h')
- divisor_used = 88; // 134.8 KHz
-
+ uint16_t period_0 = periods >> 16;
+ uint16_t period_1 = periods & 0xFFFF;
+
+ // 95 == 125 KHz 88 == 124.8 KHz
+ int divisor_used = (useHighFreq) ? 88 : 95;
sample_config sc = { 0,0,1, divisor_used, 0};
setSamplingConfig(&sc);
- /* Make sure the tag is reset */
- FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
- FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- SpinDelay(2500);
+ //clear read buffer
+ BigBuf_Clear_keep_EM();
LFSetupFPGAForADC(sc.divisor, 1);
// And a little more time for the tag to fully power up
- SpinDelay(2000);
+ SpinDelay(50);
// now modulate the reader field
while(*command != '\0' && *command != ' ') {
LED_D_OFF();
SpinDelayUs(delay_off);
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, sc.divisor);
-
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
// now do the read
crc = update_crc16(crc, (shift1>>16)&0xff);
crc = update_crc16(crc, (shift1>>24)&0xff);
- Dbprintf("Info: Tag data: %x%08x, crc=%x",
- (unsigned int)shift1, (unsigned int)shift0, (unsigned int)shift2 & 0xFFFF);
+ Dbprintf("Info: Tag data: %x%08x, crc=%x", (unsigned int)shift1, (unsigned int)shift0, (unsigned int)shift2 & 0xFFFF);
if (crc != (shift2&0xffff)) {
Dbprintf("Error: CRC mismatch, expected %x", (unsigned int)crc);
} else {
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(32) | AT91C_SSC_MSBF;
AT91C_BASE_SSC->SSC_TCMR = 0;
AT91C_BASE_SSC->SSC_TFMR = 0;
-
+ // iceman, FpgaSetupSsc() ?? the code above? can it be replaced?
LED_D_ON();
// modulate antenna
// start by writing 0xBB (keyword) and 0xEB (password)
// then write 80 bits of data (or 64 bit data + 16 bit crc if you prefer)
// finally end with 0x0300 (write frame)
- // all data is sent lsb firts
+ // all data is sent lsb first
// finish with 15ms programming time
// modulate antenna
AcquireTiType();
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- DbpString("Now use 'lf ti read' to check");
+ DbpString("Now use `lf ti read` to check");
}
void SimulateTagLowFrequency(int period, int gap, int ledcontrol)
for(;;) {
//wait until SSC_CLK goes HIGH
while(!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
- if(BUTTON_PRESS() || (usb_poll_validate_length() )) {
+ if(BUTTON_PRESS() || usb_poll_validate_length() ) {
DbpString("Stopped");
return;
}
//wait until SSC_CLK goes LOW
while(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK) {
- if(BUTTON_PRESS()) {
+ if( BUTTON_PRESS() || usb_poll_validate_length() ) {
DbpString("Stopped");
return;
}
}
}
Dbprintf("Simulating with fcHigh: %d, fcLow: %d, clk: %d, invert: %d, n: %d",fcHigh, fcLow, clk, invert, n);
- /*Dbprintf("DEBUG: First 32:");
- uint8_t *dest = BigBuf_get_addr();
- i=0;
- Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
- i+=16;
- Dbprintf("%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d", dest[i],dest[i+1],dest[i+2],dest[i+3],dest[i+4],dest[i+5],dest[i+6],dest[i+7],dest[i+8],dest[i+9],dest[i+10],dest[i+11],dest[i+12],dest[i+13],dest[i+14],dest[i+15]);
- */
- if (ledcontrol)
- LED_A_ON();
+ if (ledcontrol) LED_A_ON();
SimulateTagLowFrequency(n, 0, ledcontrol);
-
- if (ledcontrol)
- LED_A_OFF();
+ if (ledcontrol) LED_A_OFF();
}
// compose ask waveform for one bit(ASK)
memset(dest+(*n), c ^ *phase, clock);
*phase ^= 1;
}
+ *n += clock;
+}
+static void stAskSimBit(int *n, uint8_t clock) {
+ uint8_t *dest = BigBuf_get_addr();
+ uint8_t halfClk = clock/2;
+ //ST = .5 high .5 low 1.5 high .5 low 1 high
+ memset(dest+(*n), 1, halfClk);
+ memset(dest+(*n) + halfClk, 0, halfClk);
+ memset(dest+(*n) + clock, 1, clock + halfClk);
+ memset(dest+(*n) + clock*2 + halfClk, 0, halfClk);
+ memset(dest+(*n) + clock*3, 1, clock);
+ *n += clock*4;
}
// args clock, ask/man or askraw, invert, transmission separator
for (i=0; i<size; i++){
biphaseSimBit(BitStream[i]^invert, &n, clk, &phase);
}
- if (BitStream[0]==BitStream[size-1]){ //run a second set inverted to keep phase in check
+ if (phase==1) { //run a second set inverted to keep phase in check
for (i=0; i<size; i++){
biphaseSimBit(BitStream[i]^invert, &n, clk, &phase);
}
}
}
}
-
- if (separator==1) Dbprintf("sorry but separator option not yet available");
+ if (separator==1 && encoding == 1)
+ stAskSimBit(&n, clk);
+ else if (separator==1)
+ Dbprintf("sorry but separator option not yet available");
Dbprintf("Simulating with clk: %d, invert: %d, encoding: %d, separator: %d, n: %d",clk, invert, encoding, separator, n);
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
+ //clear read buffer
+ BigBuf_Clear_keep_EM();
+
while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
WDT_HIT();
(unsigned int) lo,
(unsigned int) (lo>>1) & 0xFFFF
);
- }else { //standard HID tags 44/96 bits
+ } else { //standard HID tags 44/96 bits
uint8_t bitlen = 0;
uint32_t fc = 0;
uint32_t cardnum = 0;
uint8_t *dest = BigBuf_get_addr();
size_t size;
int idx=0;
+ //clear read buffer
+ BigBuf_Clear_keep_EM();
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
size = 50*128*2; //big enough to catch 2 sequences of largest format
idx = AWIDdemodFSK(dest, &size);
- if (idx>0 && size==96){
+ if (idx<=0 || size!=96) continue;
// Index map
// 0 10 20 30 40 50 60
// | | | | | | |
uint32_t rawHi2 = bytebits_to_byte(dest+idx,32);
size = removeParity(dest, idx+8, 4, 1, 88);
- // ok valid card found!
+ if (size != 66) continue;
// Index map
// 0 10 20 30 40 50 60
// 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
// bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
// |26 bit| |-117--| |-----142------|
+ //
+ // 00110010 0 0000011111010000000000000001000100101000100001111 0 00000000
+ // bbbbbbbb w ffffffffffffffffccccccccccccccccccccccccccccccccc w xxxxxxxx
+ // |50 bit| |----4000------||-----------2248975-------------|
+ //
// b = format bit len, o = odd parity of last 3 bits
// f = facility code, c = card number
// w = wiegand parity
- // (26 bit format shown)
uint32_t fc = 0;
uint32_t cardnum = 0;
uint32_t code1 = 0;
uint32_t code2 = 0;
uint8_t fmtLen = bytebits_to_byte(dest,8);
- if (fmtLen==26){
- fc = bytebits_to_byte(dest+9, 8);
- cardnum = bytebits_to_byte(dest+17, 16);
- code1 = bytebits_to_byte(dest+8,fmtLen);
- Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
- } else {
- cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
- if (fmtLen>32){
- code1 = bytebits_to_byte(dest+8,fmtLen-32);
- code2 = bytebits_to_byte(dest+8+(fmtLen-32),32);
- Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
- } else{
- code1 = bytebits_to_byte(dest+8,fmtLen);
- Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
- }
+ switch(fmtLen) {
+ case 26:
+ fc = bytebits_to_byte(dest + 9, 8);
+ cardnum = bytebits_to_byte(dest + 17, 16);
+ code1 = bytebits_to_byte(dest + 8,fmtLen);
+ Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+ break;
+ case 50:
+ fc = bytebits_to_byte(dest + 9, 16);
+ cardnum = bytebits_to_byte(dest + 25, 32);
+ code1 = bytebits_to_byte(dest + 8, (fmtLen-32) );
+ code2 = bytebits_to_byte(dest + 8 + (fmtLen-32), 32);
+ Dbprintf("AWID Found - BitLength: %d, FC: %d, Card: %u - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+ break;
+ default:
+ if (fmtLen > 32 ) {
+ cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
+ code1 = bytebits_to_byte(dest+8,fmtLen-32);
+ code2 = bytebits_to_byte(dest+8+(fmtLen-32),32);
+ Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+ } else {
+ cardnum = bytebits_to_byte(dest+8+(fmtLen-17), 16);
+ code1 = bytebits_to_byte(dest+8,fmtLen);
+ Dbprintf("AWID Found - BitLength: %d -unknown BitLength- (%u) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+ }
+ break;
}
if (findone){
if (ledcontrol) LED_A_OFF();
return;
}
- // reset
- }
idx = 0;
WDT_HIT();
}
int clk=0, invert=0, errCnt=0, maxErr=20;
uint32_t hi=0;
uint64_t lo=0;
+ //clear read buffer
+ BigBuf_Clear_keep_EM();
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
uint16_t number=0;
uint8_t crc = 0;
uint16_t calccrc = 0;
+
+ //clear read buffer
+ BigBuf_Clear_keep_EM();
+
// Configure to go in 125Khz listen mode
LFSetupFPGAForADC(95, true);
}
/*------------------------------
- * T5555/T5557/T5567 routines
+ * T5555/T5557/T5567/T5577 routines
*------------------------------
* NOTE: T55x7/T5555 configuration register definitions moved to protocols.h
*
* Q5 tags seems to have issues when these values changes.
*/
-#define START_GAP 50*8 // was 250 // SPEC: 1*8 to 50*8 - typ 15*8 (or 15fc)
+#define START_GAP 31*8 // was 250 // SPEC: 1*8 to 50*8 - typ 15*8 (or 15fc)
#define WRITE_GAP 20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc)
-#define WRITE_0 16*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
+#define WRITE_0 18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
#define WRITE_1 50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc) 432 for T55x7; 448 for E5550
-#define READ_GAP 52*8
+#define READ_GAP 15*8
// VALUES TAKEN FROM EM4x function: SendForward
// START_GAP = 440; (55*8) cycles at 125Khz (8us = 1cycle)
SpinDelayUs(WRITE_GAP);
}
+// Send T5577 reset command then read stream (see if we can identify the start of the stream)
+void T55xxResetRead(void) {
+ LED_A_ON();
+ //clear buffer now so it does not interfere with timing later
+ BigBuf_Clear_keep_EM();
+
+ // Set up FPGA, 125kHz
+ LFSetupFPGAForADC(95, true);
+
+ // Trigger T55x7 in mode.
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+ SpinDelayUs(START_GAP);
+
+ // reset tag - op code 00
+ T55xxWriteBit(0);
+ T55xxWriteBit(0);
+
+ // Turn field on to read the response
+ TurnReadLFOn(READ_GAP);
+
+ // Acquisition
+ doT55x7Acquisition(BigBuf_max_traceLen());
+
+ // Turn the field off
+ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
+ cmd_send(CMD_ACK,0,0,0,0,0);
+ LED_A_OFF();
+}
+
// Write one card block in page 0, no lock
-void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg) {
+void T55xxWriteBlockExt(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg) {
LED_A_ON();
bool PwdMode = arg & 0x1;
uint8_t Page = (arg & 0x2)>>1;
// turn field off
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
- cmd_send(CMD_ACK,0,0,0,0,0);
LED_A_OFF();
}
-// Read one card block in page 0
+// Write one card block in page 0, no lock
+void T55xxWriteBlock(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg) {
+ T55xxWriteBlockExt(Data, Block, Pwd, arg);
+ cmd_send(CMD_ACK,0,0,0,0,0);
+}
+
+// Read one card block in page [page]
void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
LED_A_ON();
bool PwdMode = arg0 & 0x1;
TurnReadLFOn(READ_GAP);
// Acquisition
- doT55x7Acquisition();
+ doT55x7Acquisition(12000);
// Turn the field off
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
}
/*-------------- Cloning routines -----------*/
-
void WriteT55xx(uint32_t *blockdata, uint8_t startblock, uint8_t numblocks) {
// write last block first and config block last (if included)
- for (uint8_t i = numblocks; i > startblock; i--)
- T55xxWriteBlock(blockdata[i-1],i-1,0,0);
+ for (uint8_t i = numblocks+startblock; i > startblock; i--)
+ T55xxWriteBlockExt(blockdata[i-1], i-1, 0, 0);
}
// Copy HID id to card and setup block 0 config
void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
uint32_t data[] = {0,0,0,0,0,0,0};
- //int data1=0, data2=0, data3=0, data4=0, data5=0, data6=0; //up to six blocks for long format
uint8_t last_block = 0;
if (longFMT){
// Ensure no more than 84 bits supplied
- if (hi2>0xFFFFF) {
+ if (hi2 > 0xFFFFF) {
DbpString("Tags can only have 84 bits.");
return;
}
// Build the 6 data blocks for supplied 84bit ID
last_block = 6;
// load preamble (1D) & long format identifier (9E manchester encoded)
- data[1] = 0x1D96A900 | manchesterEncode2Bytes((hi2 >> 16) & 0xF);
+ data[1] = 0x1D96A900 | (manchesterEncode2Bytes((hi2 >> 16) & 0xF) & 0xFF);
// load raw id from hi2, hi, lo to data blocks (manchester encoded)
data[2] = manchesterEncode2Bytes(hi2 & 0xFFFF);
data[3] = manchesterEncode2Bytes(hi >> 16);
data[6] = manchesterEncode2Bytes(lo & 0xFFFF);
} else {
// Ensure no more than 44 bits supplied
- if (hi>0xFFF) {
+ if (hi > 0xFFF) {
DbpString("Tags can only have 44 bits.");
return;
}
// Build the 3 data blocks for supplied 44bit ID
last_block = 3;
// load preamble
- data[1] = 0x1D000000 | manchesterEncode2Bytes(hi & 0xFFF);
+ data[1] = 0x1D000000 | (manchesterEncode2Bytes(hi) & 0xFFFFFF);
data[2] = manchesterEncode2Bytes(lo >> 16);
data[3] = manchesterEncode2Bytes(lo & 0xFFFF);
}
// load chip config block
data[0] = T55x7_BITRATE_RF_50 | T55x7_MODULATION_FSK2a | last_block << T55x7_MAXBLOCK_SHIFT;
+ //TODO add selection of chip for Q5 or T55x7
+ // data[0] = (((50-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | last_block << T5555_MAXBLOCK_SHIFT;
+
LED_D_ON();
// Program the data blocks for supplied ID
// and the block 0 for HID format
DbpString("DONE!");
}
-void CopyIOtoT55x7(uint32_t hi, uint32_t lo, uint8_t longFMT)
-{
+void CopyIOtoT55x7(uint32_t hi, uint32_t lo) {
uint32_t data[] = {T55x7_BITRATE_RF_64 | T55x7_MODULATION_FSK2a | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo};
+ //TODO add selection of chip for Q5 or T55x7
+ //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+ // data[0] = (64 << T5555_BITRATE_SHIFT) | T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 2 << T5555_MAXBLOCK_SHIFT;
LED_D_ON();
// Program the data blocks for supplied ID
// and the block 0 config
WriteT55xx(data, 0, 3);
-
LED_D_OFF();
-
DbpString("DONE!");
}
//Program the 2 data blocks for supplied 64bit UID
// and the Config for Indala 64 format (RF/32;PSK1 with RF/2;Maxblock=2)
uint32_t data[] = { T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (2 << T55x7_MAXBLOCK_SHIFT), hi, lo};
+ //TODO add selection of chip for Q5 or T55x7
+ // data[0] = (((32-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK1 | 2 << T5555_MAXBLOCK_SHIFT;
+
WriteT55xx(data, 0, 3);
//Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=2;Inverse data)
// T5567WriteBlock(0x603E1042,0);
DbpString("DONE!");
}
// Clone Indala 224-bit tag by UID to T55x7
-void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t uid4, uint32_t uid5, uint32_t uid6, uint32_t uid7)
-{
+void CopyIndala224toT55x7(uint32_t uid1, uint32_t uid2, uint32_t uid3, uint32_t uid4, uint32_t uid5, uint32_t uid6, uint32_t uid7) {
//Program the 7 data blocks for supplied 224bit UID
uint32_t data[] = {0, uid1, uid2, uid3, uid4, uid5, uid6, uid7};
// and the block 0 for Indala224 format
//Config for Indala (RF/32;PSK1 with RF/2;Maxblock=7)
data[0] = T55x7_BITRATE_RF_32 | T55x7_MODULATION_PSK1 | (7 << T55x7_MAXBLOCK_SHIFT);
+ //TODO add selection of chip for Q5 or T55x7
+ // data[0] = (((32-2)/2)<<T5555_BITRATE_SHIFT) | T5555_MODULATION_PSK1 | 7 << T5555_MAXBLOCK_SHIFT;
WriteT55xx(data, 0, 8);
//Alternative config for Indala (Extended mode;RF/32;PSK1 with RF/2;Maxblock=7;Inverse data)
// T5567WriteBlock(0x603E10E2,0);
DbpString("DONE!");
}
+// 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};
+ //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+ if (Q5) data[0] = (32 << T5555_BITRATE_SHIFT) | 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();
+ cmd_send(CMD_ACK,0,0,0,0,0);
+}
// Define 9bit header for EM410x tags
#define EM410X_HEADER 0x1FF
#define EM410X_ID_LENGTH 40
-void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo)
-{
+void WriteEM410x(uint32_t card, uint32_t id_hi, uint32_t id_lo) {
int i, id_bit;
uint64_t id = EM410X_HEADER;
uint64_t rev_id = 0; // reversed ID
LED_D_ON();
// Write EM410x ID
- uint32_t data[] = {0, id>>32, id & 0xFFFF};
- if (card) {
- clock = (card & 0xFF00) >> 8;
- clock = (clock == 0) ? 64 : clock;
- Dbprintf("Clock rate: %d", clock);
+ uint32_t data[] = {0, (uint32_t)(id>>32), (uint32_t)(id & 0xFFFFFFFF)};
+
+ clock = (card & 0xFF00) >> 8;
+ clock = (clock == 0) ? 64 : clock;
+ Dbprintf("Clock rate: %d", clock);
+ if (card & 0xFF) { //t55x7
clock = GetT55xxClockBit(clock);
if (clock == 0) {
Dbprintf("Invalid clock rate: %d", clock);
return;
}
-
data[0] = clock | T55x7_MODULATION_MANCHESTER | (2 << T55x7_MAXBLOCK_SHIFT);
- } else {
- data[0] = (0x1F << T5555_BITRATE_SHIFT) | T5555_MODULATION_MANCHESTER | (2 << T5555_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);
}
-
+
WriteT55xx(data, 0, 3);
LED_D_OFF();
- Dbprintf("Tag %s written with 0x%08x%08x\n", card ? "T55x7":"T5555",
- (uint32_t)(id >> 32), (uint32_t)id);
+ Dbprintf("Tag %s written with 0x%08x%08x\n",
+ card ? "T55x7":"T5555",
+ (uint32_t)(id >> 32),
+ (uint32_t)id);
}
//-----------------------------------
// prepares command bits
// see EM4469 spec
//====================================================================
+//--------------------------------------------------------------------
+// VALUES TAKEN FROM EM4x function: SendForward
+// START_GAP = 440; (55*8) cycles at 125Khz (8us = 1cycle)
+// WRITE_GAP = 128; (16*8)
+// WRITE_1 = 256 32*8; (32*8)
+
+// These timings work for 4469/4269/4305 (with the 55*8 above)
+// WRITE_0 = 23*8 , 9*8 SpinDelayUs(23*8);
+
uint8_t Prepare_Cmd( uint8_t cmd ) {
*forward_ptr++ = 0; //start bit
uint16_t bufsize = BigBuf_max_traceLen();
uint32_t i = 0;
- //clear buffer now so it does not interfere with timing later
+ // Clear destination buffer before sending the command
BigBuf_Clear_ext(false);
//If password mode do login
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); // field off
LED_D_OFF();
}
-
-void CopyViKingtoT55x7(uint32_t block1, uint32_t block2) {
- LED_D_ON();
- T55xxWriteBlock(block1,1,0,0);
- T55xxWriteBlock(block2,2,0,0);
- T55xxWriteBlock(T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 2 << T55x7_MAXBLOCK_SHIFT,0,0,0);
- // T55xxWriteBlock(T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 2 << T5555_MAXBLOCK_SHIFT,0,0,1);
- // ICEMAN NOTES:
- // Shouldn't this one be: T55x7_MAXBLOCK_SHIFT and 0 in password mode
- LED_D_OFF();
-}
-
projects / proxmark3-svn / blobdiff