+//-----------------------------------------------------------------------------
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Low frequency Presco tag commands
+//-----------------------------------------------------------------------------
+#include "cmdlfjablotron.h"
+
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_jablotron_clone(void){
+ PrintAndLog("clone a Jablotron tag to a T55x7 tag.");
+ PrintAndLog("Usage: lf jablotron clone d <Card-ID> <Q5>");
+ PrintAndLog("Options :");
+ PrintAndLog(" d <Card-ID> : jablotron card ID");
+ PrintAndLog(" <Q5> : specify write to Q5 (t5555 instead of t55x7)");
+ PrintAndLog("");
+ PrintAndLog("Sample : lf jablotron clone d 123456789");
+ return 0;
+}
+
+int usage_lf_jablotron_sim(void) {
+ PrintAndLog("Enables simulation of jablotron card with specified card number.");
+ PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+ PrintAndLog("Per jablotron format, the card number is 9 digit number and can contain *# chars. Larger values are truncated.");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf jablotron sim d <Card-ID> or H <hex-ID>");
+ PrintAndLog("Options :");
+ PrintAndLog(" d <Card-ID> : jablotron card number");
+// PrintAndLog(" H <hex-ID> : 8 digit hex card number");
+ PrintAndLog("");
+ PrintAndLog("Sample : lf jablotron sim d 123456789");
+ return 0;
+}
+
+int getJablotronBits(uint64_t fullcode, uint8_t *bits) {
+ //preamp
+ num_to_bytebits(0xFFFF, 16, bits);
+
+ //fullcode
+ num_to_bytebits(fullcode, 40, bits+16);
+
+ //chksum byte
+ uint8_t crc = 0;
+ for (int i=16; i < 56; i += 8) {
+ crc += bytebits_to_byte(bits+i,8);
+ }
+ crc ^= 0x3A;
+ num_to_bytebits(crc, 8, bits+56);
+
+ return 1;
+}
+
+//see ASKDemod for what args are accepted
+int CmdJablotronDemod(const char *Cmd) {
+
+ //Differential Biphase / di-phase (inverted biphase)
+ //get binary from ask wave
+ if (!ASKbiphaseDemod("0 64 1 0", FALSE)) {
+ if (g_debugMode) PrintAndLog("Error Jablotron: ASKbiphaseDemod failed");
+ return 0;
+ }
+ size_t size = DemodBufferLen;
+ int ans = JablotronDemod(DemodBuffer, &size);
+ if (ans < 0){
+ if (g_debugMode){
+ // if (ans == -5)
+ // PrintAndLog("DEBUG: Error - not enough samples");
+ // else if (ans == -1)
+ // PrintAndLog("DEBUG: Error - only noise found");
+ // else if (ans == -2)
+ // PrintAndLog("DEBUG: Error - problem during ASK/Biphase demod");
+ if (ans == -3)
+ PrintAndLog("DEBUG: Error - Size not correct: %d", size);
+ else if (ans == -4)
+ PrintAndLog("DEBUG: Error - Jablotron preamble not found");
+ else
+ PrintAndLog("DEBUG: Error - ans: %d", ans);
+ }
+ return 0;
+ }
+ //got a good demod
+ uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
+ uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
+ uint64_t cardid = (raw1 & 0x0000FFFF);
+ cardid <<= 32;
+ cardid |= (raw2 >> 8);
+
+ PrintAndLog("Jablotron Tag Found: Card ID %12X", cardid);
+ PrintAndLog("Raw: %08X%08X", raw1 ,raw2);
+
+ setDemodBuf(DemodBuffer+ans, 64, 0);
+
+ //PrintAndLog("1410-%u-%u-%08X-%02X", fullcode);
+ return 1;
+}
+
+int CmdJablotronRead(const char *Cmd) {
+ // read lf silently
+ CmdLFRead("s");
+ // get samples silently
+ getSamples("30000",false);
+ // demod and output Presco ID
+ return CmdJablotronDemod(Cmd);
+}
+
+int CmdJablotronClone(const char *Cmd) {
+
+ uint64_t fullcode = 0;
+ uint32_t blocks[3] = {T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_64 | 2<<T55x7_MAXBLOCK_SHIFT, 0, 0};
+
+ uint8_t bits[64];
+ uint8_t *bs = bits;
+ memset(bs, 0, sizeof(bits));
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_jablotron_clone();
+
+ fullcode = param_get64ex(Cmd, 1, 0, 16);
+
+ //Q5
+ if (param_getchar(Cmd, 2) == 'Q' || param_getchar(Cmd, 2) == 'q') {
+ //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+ blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | 64<<T5555_BITRATE_SHIFT | 2<<T5555_MAXBLOCK_SHIFT;
+ }
+
+ if ((fullcode & 0xFFFFFFFFFFFF) != fullcode) {
+ fullcode &= 0xFFFFFFFFFFFF;
+ PrintAndLog("Card Number Truncated to 40-bits: %u", fullcode);
+ }
+
+ if ( !getJablotronBits(fullcode, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return 1;
+ }
+
+ //
+ blocks[1] = bytebits_to_byte(bs,32);
+ blocks[2] = bytebits_to_byte(bs+32,32);
+
+ PrintAndLog("Preparing to clone Jablotron to T55x7 with FullCode: %12X", fullcode);
+ PrintAndLog("Blk | Data ");
+ PrintAndLog("----+------------");
+ PrintAndLog(" 00 | 0x%08x", blocks[0]);
+ PrintAndLog(" 01 | 0x%08x", blocks[1]);
+ PrintAndLog(" 02 | 0x%08x", blocks[2]);
+
+ UsbCommand resp;
+ UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+ for (int i=4; i>=0; i--) {
+ c.arg[0] = blocks[i];
+ c.arg[1] = i;
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+ PrintAndLog("Error occurred, device did not respond during write operation.");
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int CmdJablotronSim(const char *Cmd) {
+ uint64_t fullcode = 0;
+
+ char cmdp = param_getchar(Cmd, 0);
+ if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_jablotron_sim();
+
+ fullcode = param_get64ex(Cmd, 1, 0, 16);
+
+ uint8_t clk = 64, encoding = 2, separator = 0, invert = 1;
+ uint16_t arg1, arg2;
+ size_t size = 64;
+ arg1 = clk << 8 | encoding;
+ arg2 = invert << 8 | separator;
+
+ PrintAndLog("Simulating Jablotron - FullCode: %12X", fullcode);
+
+ UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+ getJablotronBits(fullcode, c.d.asBytes);
+ clearCommandBuffer();
+ SendCommand(&c);
+ return 0;
+}
+
+static command_t CommandTable[] = {
+ {"help", CmdHelp, 1, "This help"},
+ {"read", CmdJablotronRead, 0, "Attempt to read and Extract tag data"},
+ {"clone", CmdJablotronClone, 0, "h <hex> [Q5] clone jablotron tag"},
+ {"sim", CmdJablotronSim, 0, "h <hex> simulate jablotron tag"},
+ {NULL, NULL, 0, NULL}
+};
+
+int CmdLFJablotron(const char *Cmd) {
+ clearCommandBuffer();
+ CmdsParse(CommandTable, Cmd);
+ return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+ CmdsHelp(CommandTable);
+ return 0;
+}