+int CmdEM410xWrite(const char *Cmd)
+{
+ uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value
+ int card = 0xFF; // invalid card value
+ unsigned int clock = 0; // invalid clock value
+
+ sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+
+ // Check ID
+ if (id == 0xFFFFFFFFFFFFFFFF) {
+ PrintAndLog("Error! ID is required.\n");
+ return 0;
+ }
+ if (id >= 0x10000000000) {
+ PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
+ return 0;
+ }
+
+ // Check Card
+ if (card == 0xFF) {
+ PrintAndLog("Error! Card type required.\n");
+ return 0;
+ }
+ if (card < 0) {
+ PrintAndLog("Error! Bad card type selected.\n");
+ return 0;
+ }
+
+ // Check Clock
+ if (card == 1)
+ {
+ // Default: 64
+ if (clock == 0)
+ clock = 64;
+
+ // Allowed clock rates: 16, 32 and 64
+ if ((clock != 16) && (clock != 32) && (clock != 64)) {
+ PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock);
+ return 0;
+ }
+ }
+ else if (clock != 0)
+ {
+ PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n");
+ return 0;
+ }
+
+ if (card == 1) {
+ PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock);
+ // NOTE: We really should pass the clock in as a separate argument, but to
+ // provide for backwards-compatibility for older firmware, and to avoid
+ // having to add another argument to CMD_EM410X_WRITE_TAG, we just store
+ // the clock rate in bits 8-15 of the card value
+ card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00);
+ }
+ else if (card == 0)
+ PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock);
+ else {
+ PrintAndLog("Error! Bad card type selected.\n");
+ return 0;
+ }
+
+ UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
+ SendCommand(&c);
+
+ return 0;
+}
+
+int CmdReadWord(const char *Cmd)
+{
+ int Word = -1; //default to invalid word
+ UsbCommand c;
+
+ sscanf(Cmd, "%d", &Word);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Reading word %d", Word);
+
+ c.cmd = CMD_EM4X_READ_WORD;
+ c.d.asBytes[0] = 0x0; //Normal mode
+ c.arg[0] = 0;
+ c.arg[1] = Word;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdReadWordPWD(const char *Cmd)
+{
+ int Word = -1; //default to invalid word
+ int Password = 0xFFFFFFFF; //default to blank password
+ UsbCommand c;
+
+ sscanf(Cmd, "%d %x", &Word, &Password);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Reading word %d with password %08X", Word, Password);
+
+ c.cmd = CMD_EM4X_READ_WORD;
+ c.d.asBytes[0] = 0x1; //Password mode
+ c.arg[0] = 0;
+ c.arg[1] = Word;
+ c.arg[2] = Password;
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdWriteWord(const char *Cmd)
+{
+ int Word = 16; //default to invalid block
+ int Data = 0xFFFFFFFF; //default to blank data
+ UsbCommand c;
+
+ sscanf(Cmd, "%x %d", &Data, &Word);
+
+ if (Word > 15) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Writing word %d with data %08X", Word, Data);
+
+ c.cmd = CMD_EM4X_WRITE_WORD;
+ c.d.asBytes[0] = 0x0; //Normal mode
+ c.arg[0] = Data;
+ c.arg[1] = Word;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ return 0;
+}
+
+int CmdWriteWordPWD(const char *Cmd)
+{
+ int Word = 16; //default to invalid word
+ int Data = 0xFFFFFFFF; //default to blank data
+ int Password = 0xFFFFFFFF; //default to blank password
+ UsbCommand c;
+
+ sscanf(Cmd, "%x %d %x", &Data, &Word, &Password);
+
+ if (Word > 15) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password);
+
+ c.cmd = CMD_EM4X_WRITE_WORD;
+ c.d.asBytes[0] = 0x1; //Password mode
+ c.arg[0] = Data;
+ c.arg[1] = Word;
+ c.arg[2] = Password;
+ SendCommand(&c);
+ return 0;
+}
+
+static command_t CommandTable[] =