ADD: forgot to add the files

client/cmdlfvisa2000.c

@@ -0,0 +1,179 @@
+//-----------------------------------------------------------------------------
+//
+// 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 "cmdlfvisa2000.h"
+
+static int CmdHelp(const char *Cmd);
+
+int usage_lf_visa2k_clone(void){
+	PrintAndLog("clone a Visa2000 tag to a T55x7 tag.");
+	PrintAndLog("Usage: lf visa2k clone [h] <card ID> <Q5>");
+	PrintAndLog("Options:");
+	PrintAndLog("      h          : This help");
+	PrintAndLog("      <card ID>  : Visa2k card ID");
+	PrintAndLog("      <Q5>       : specify write to Q5 (t5555 instead of t55x7)");
+	PrintAndLog("");
+	PrintAndLog("Sample: lf visa2k clone 112233");
+	return 0;
+}
+
+int usage_lf_visa2k_sim(void) {
+	PrintAndLog("Enables simulation of visa2k card with specified card number.");
+	PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
+	PrintAndLog("");
+	PrintAndLog("Usage:  lf visa2k sim [h] <card ID>");
+	PrintAndLog("Options:");
+	PrintAndLog("      h          : This help");
+	PrintAndLog("      <card ID>  : Visa2k card ID");
+	PrintAndLog("");
+	PrintAndLog("Sample: lf visa2k sim 112233");
+	return 0;
+}
+
+//see ASKDemod for what args are accepted
+int CmdVisa2kDemod(const char *Cmd) {
+
+	//ASK / Manchester
+	bool st = true;
+	if (!ASKDemod_ext("64 0 0", FALSE, FALSE, 1, &st)) {
+		if (g_debugMode) PrintAndLog("DEBUG: Error - Visa2k: ASK/Manchester Demod failed");
+		return 0;
+	}
+	size_t size = DemodBufferLen;
+	int ans = Visa2kDemod_AM(DemodBuffer, &size);
+	if (ans < 0){
+		if (g_debugMode){
+			if (ans == -1)
+				PrintAndLog("DEBUG: Error - Visa2k: too few bits found");
+			else if (ans == -2)
+				PrintAndLog("DEBUG: Error - Visa2k: preamble not found");
+			else if (ans == -3)
+				PrintAndLog("DEBUG: Error - Visa2k: Size not correct: %d", size);
+			else
+				PrintAndLog("DEBUG: Error - Visa2k: ans: %d", ans);
+		}
+		return 0;
+	}
+	setDemodBuf(DemodBuffer, 96, ans);
+	
+	//got a good demod
+	uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
+	uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
+	uint32_t raw3 = bytebits_to_byte(DemodBuffer+64, 32);
+
+	PrintAndLog("Visa2000 Tag Found: Card ID %u,  Raw: %08X%08X%08X", raw2,  raw1 ,raw2, raw3);
+	return 1;
+}
+
+int CmdVisa2kRead(const char *Cmd) {
+	CmdLFRead("s");
+	getSamples("20000",TRUE);
+	return CmdVisa2kDemod(Cmd);
+}
+
+int CmdVisa2kClone(const char *Cmd) {
+
+	uint64_t id = 0;
+	uint32_t blocks[4] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_64 | T55x7_ST_TERMINATOR |3<<T55x7_MAXBLOCK_SHIFT, 0, 0};
+
+	// uint8_t bits[96];
+	// 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_visa2k_clone();
+
+	id = param_get32ex(Cmd, 0, 0, 10);
+	
+	//Q5
+	if (param_getchar(Cmd, 1) == 'Q' || param_getchar(Cmd, 1) == 'q') {
+		//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
+		blocks[0] = T5555_MODULATION_MANCHESTER | 64<<T5555_BITRATE_SHIFT | T5555_ST_TERMINATOR | 3<<T5555_MAXBLOCK_SHIFT;
+	}
+	
+	// if ( !getJablotronBits(fullcode, bs)) {
+		// PrintAndLog("Error with tag bitstream generation.");
+		// return 1;
+	// }	
+	
+	// 
+	blocks[1] = 0x56495332;
+	blocks[2] = id;
+	blocks[3] = 0;
+
+	PrintAndLog("Preparing to clone Visa2000 to T55x7 with CardId: %u", id);
+	PrintAndLog("Blk | Data ");
+	PrintAndLog("----+------------");
+	PrintAndLog(" 00 | 0x%08x", blocks[0]);
+	PrintAndLog(" 01 | 0x%08x", blocks[1]);
+	PrintAndLog(" 02 | 0x%08x", blocks[2]);
+	PrintAndLog(" 02 | 0x%08x", blocks[3]);
+	
+	UsbCommand resp;
+	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
+
+	for (int i = 3; 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 CmdVisa2kSim(const char *Cmd) {
+
+	uint32_t id = 0;
+	char cmdp = param_getchar(Cmd, 0);
+	if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_visa2k_sim();
+
+	id = param_get32ex(Cmd, 0, 0, 10);
+
+	uint8_t clk = 64, encoding = 1, separator = 1, invert = 0;
+	uint16_t arg1, arg2;
+	size_t size = 96;
+	arg1 = clk << 8 | encoding;
+	arg2 = invert << 8 | separator;
+
+	PrintAndLog("Simulating Visa2000 - CardId: %u", id);
+
+	UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+	
+	uint32_t blocks[3] = { 0x56495332, id, 0};
+
+	for(int i=0; i<3; ++i){
+		num_to_bytebits(blocks[i], 32, c.d.asBytes + i*32);
+	}
+	clearCommandBuffer();
+	SendCommand(&c);
+	return 0;
+}
+
+static command_t CommandTable[] = {
+    {"help",	CmdHelp,		1, "This help"},
+	{"read",	CmdVisa2kRead,	0, "Attempt to read and extract tag data"},
+	{"clone",	CmdVisa2kClone,	0, "clone Visa2000 tag"},
+	{"sim",		CmdVisa2kSim,	0, "simulate Visa2000 tag"},
+    {NULL, NULL, 0, NULL}
+};
+
+int CmdLFVisa2k(const char *Cmd) {
+	clearCommandBuffer();
+    CmdsParse(CommandTable, Cmd);
+    return 0;
+}
+
+int CmdHelp(const char *Cmd) {
+    CmdsHelp(CommandTable);
+    return 0;
+}