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https://github.com/Proxmark/proxmark3.git
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update em4x05/em4x69 cmds
@iceman1001 s updates + some of my own. still more to do: -auto demod responses -figure out config block -figure out block 0 info / serial # in block 1 -figure out block 3 protection data -add dump all blocks cmd
This commit is contained in:
marshmellow42
parent
f1e6629b11
commit
7666f4608e
4 changed files with 144 additions and 81 deletions
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@ -18,6 +18,7 @@
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#include "cmdparser.h"
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#include "cmddata.h"
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#include "cmdlf.h"
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#include "cmdmain.h"
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#include "cmdlfem4x.h"
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#include "lfdemod.h"
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@ -285,7 +286,7 @@ uint32_t OutputEM4x50_Block(uint8_t *BitStream, size_t size, bool verbose, bool
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}
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return code;
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}
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/* Read the transmitted data of an EM4x50 tag
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/* Read the transmitted data of an EM4x50 tag from the graphbuffer
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* Format:
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*
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* XXXXXXXX [row parity bit (even)] <- 8 bits plus parity
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@ -498,53 +499,122 @@ int CmdEM4x50Read(const char *Cmd)
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return EM4x50Read(Cmd, true);
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}
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int CmdReadWord(const char *Cmd)
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{
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int Word = -1; //default to invalid word
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UsbCommand c;
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int usage_lf_em_read(void) {
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PrintAndLog("Read EM4x05/EM4x69. Tag must be on antenna. ");
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PrintAndLog("");
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PrintAndLog("Usage: lf em readword [h] <address> <pwd>");
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PrintAndLog("Options:");
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PrintAndLog(" h - this help");
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PrintAndLog(" address - memory address to read. (0-15)");
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PrintAndLog(" pwd - password (hex) (optional)");
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PrintAndLog("samples:");
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PrintAndLog(" lf em readword 1");
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PrintAndLog(" lf em readword 1 11223344");
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return 0;
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}
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int CmdReadWord(const char *Cmd) {
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int addr, pwd;
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bool usePwd = false;
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uint8_t ctmp = param_getchar(Cmd, 0);
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if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read();
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addr = param_get8ex(Cmd, 0, -1, 10);
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pwd = param_get32ex(Cmd, 1, -1, 16);
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sscanf(Cmd, "%d", &Word);
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if ( (Word > 15) | (Word < 0) ) {
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PrintAndLog("Word must be between 0 and 15");
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if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
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PrintAndLog("Address must be between 0 and 15");
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return 1;
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}
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if ( pwd == -1 )
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PrintAndLog("Reading address %d", addr);
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else {
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usePwd = true;
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PrintAndLog("Reading address %d | password %08X", addr, pwd);
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}
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PrintAndLog("Reading word %d", Word);
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c.cmd = CMD_EM4X_READ_WORD;
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c.d.asBytes[0] = 0x0; //Normal mode
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c.arg[0] = 0;
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c.arg[1] = Word;
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c.arg[2] = 0;
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SendCommand(&c);
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return 0;
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}
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int CmdReadWordPWD(const char *Cmd)
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{
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int Word = -1; //default to invalid word
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int Password = 0xFFFFFFFF; //default to blank password
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UsbCommand c;
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sscanf(Cmd, "%d %x", &Word, &Password);
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if ( (Word > 15) | (Word < 0) ) {
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PrintAndLog("Word must be between 0 and 15");
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return 1;
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}
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PrintAndLog("Reading word %d with password %08X", Word, Password);
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c.cmd = CMD_EM4X_READ_WORD;
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c.d.asBytes[0] = 0x1; //Password mode
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c.arg[0] = 0;
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c.arg[1] = Word;
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c.arg[2] = Password;
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UsbCommand c = {CMD_EM4X_READ_WORD, {addr, pwd, usePwd}};
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clearCommandBuffer();
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SendCommand(&c);
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UsbCommand resp;
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)){
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PrintAndLog("Command timed out");
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return -1;
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}
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uint8_t got[6000]; // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples)
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GetFromBigBuf(got, sizeof(got), 0);
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if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) {
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PrintAndLog("command execution time out");
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return 0;
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}
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setGraphBuf(got, sizeof(got));
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//todo: demodulate read data
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return 1;
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}
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int usage_lf_em_write(void) {
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PrintAndLog("Write EM4x05/EM4x69. Tag must be on antenna. ");
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PrintAndLog("");
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PrintAndLog("Usage: lf em writeword [h] <address> <data> <pwd>");
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PrintAndLog("Options:");
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PrintAndLog(" h - this help");
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PrintAndLog(" address - memory address to write to. (0-15)");
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PrintAndLog(" data - data to write (hex)");
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PrintAndLog(" pwd - password (hex) (optional)");
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PrintAndLog("samples:");
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PrintAndLog(" lf em writeword 1");
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PrintAndLog(" lf em writeword 1 deadc0de 11223344");
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return 0;
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}
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int CmdWriteWord(const char *Cmd) {
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uint8_t ctmp = param_getchar(Cmd, 0);
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if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write();
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bool usePwd = false;
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int addr = 16; // default to invalid address
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int data = 0xFFFFFFFF; // default to blank data
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int pwd = 0xFFFFFFFF; // default to blank password
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addr = param_get8ex(Cmd, 0, -1, 10);
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data = param_get32ex(Cmd, 1, -1, 16);
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pwd = param_get32ex(Cmd, 2, -1, 16);
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if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
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PrintAndLog("Address must be between 0 and 15");
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return 1;
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}
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if ( pwd == -1 )
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PrintAndLog("Writing address %d data %08X", addr, data);
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else {
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usePwd = true;
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PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
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}
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uint16_t flag = (addr << 8 ) | usePwd;
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UsbCommand c = {CMD_EM4X_WRITE_WORD, {flag, data, pwd}};
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clearCommandBuffer();
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SendCommand(&c);
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UsbCommand resp;
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if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
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PrintAndLog("Error occurred, device did not respond during write operation.");
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return -1;
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}
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//get response if there is one
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uint8_t got[6000]; // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples)
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GetFromBigBuf(got, sizeof(got), 0);
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if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) {
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PrintAndLog("command execution time out");
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return 0;
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}
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setGraphBuf(got, sizeof(got));
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//todo: check response for 00001010 then write data for write confirmation!
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return 0;
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}
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/*
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int CmdWriteWord(const char *Cmd)
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{
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int Word = 16; //default to invalid block
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@ -593,7 +663,7 @@ int CmdWriteWordPWD(const char *Cmd)
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SendCommand(&c);
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return 0;
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}
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*/
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static command_t CommandTable[] =
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{
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{"help", CmdHelp, 1, "This help"},
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@ -603,11 +673,11 @@ static command_t CommandTable[] =
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{"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
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{"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
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{"em410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
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{"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
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{"readword", CmdReadWord, 1, "<Word> -- Read EM4xxx word data"},
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{"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
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{"writeword", CmdWriteWord, 1, "<Data> <Word> -- Write EM4xxx word data"},
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{"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
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{"em4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
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{"readword", CmdReadWord, 1, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
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//{"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
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{"writeword", CmdWriteWord, 1, "<Word> <data> (pwd) -- Write EM4x05/EM4x69 word data"},
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//{"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
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{NULL, NULL, 0, NULL}
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};
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