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Commit	Line	Data
	1	//-----------------------------------------------------------------------------\r
	2	//\r
	3	// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
	4	// at your option, any later version. See the LICENSE.txt file for the text of\r
	5	// the license.\r
	6	//-----------------------------------------------------------------------------\r
	7	// Low frequency T55xx commands\r
	8	//-----------------------------------------------------------------------------\r
	9	\r
	10	#include <stdio.h>\r
	11	#include <string.h>\r
	12	#include <inttypes.h>\r
	13	#include <time.h>\r
	14	#include "proxmark3.h"\r
	15	#include "ui.h"\r
	16	#include "graph.h"\r
	17	#include "cmdmain.h"\r
	18	#include "cmdparser.h"\r
	19	#include "cmddata.h"\r
	20	#include "cmdlf.h"\r
	21	#include "cmdlft55xx.h"\r
	22	#include "util.h"\r
	23	#include "data.h"\r
	24	#include "lfdemod.h"\r
	25	#include "../common/crc.h"\r
	26	#include "../common/iso14443crc.h"\r
	27	#include "cmdhf14a.h"\r
	28	\r
	29	#define CONFIGURATION_BLOCK 0x00\r
	30	#define TRACE_BLOCK 0x01\r
	31	\r
	32	// Default configuration\r
	33	t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00};\r
	34	\r
	35	int usage_t55xx_config(){\r
	36	PrintAndLog("Usage: lf t55xx config [d <demodulation>] [i 1] [o <offset>]");\r
	37	PrintAndLog("Options: ");\r
	38	PrintAndLog(" h This help");\r
	39	PrintAndLog(" b <8\|16\|32\|40\|50\|64\|100\|128> Set bitrate");\r
	40	PrintAndLog(" d <FSK\|FSK1\|FSK1a\|FSK2\|FSK2a\|ASK\|PSK1\|PSK2\|NRZ\|BI\|BIa> Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A");\r
	41	PrintAndLog(" i [1] Invert data signal, defaults to normal");\r
	42	PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream");\r
	43	PrintAndLog("");\r
	44	PrintAndLog("Examples:");\r
	45	PrintAndLog(" lf t55xx config d FSK - FSK demodulation");\r
	46	PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data");\r
	47	PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data");\r
	48	PrintAndLog("");\r
	49	return 0;\r
	50	}\r
	51	int usage_t55xx_read(){\r
	52	PrintAndLog("Usage: lf t55xx read <block> <password>");\r
	53	PrintAndLog(" <block>, block number to read. Between 0-7");\r
	54	PrintAndLog(" <password>, OPTIONAL password (8 hex characters)");\r
	55	PrintAndLog("");\r
	56	PrintAndLog("Examples:");\r
	57	PrintAndLog(" lf t55xx read 0 - read data from block 0");\r
	58	PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef");\r
	59	PrintAndLog("");\r
	60	return 0;\r
	61	}\r
	62	int usage_t55xx_write(){\r
	63	PrintAndLog("Usage: lf t55xx wr <block> <data> [password]");\r
	64	PrintAndLog(" <block>, block number to write. Between 0-7");\r
	65	PrintAndLog(" <data>, 4 bytes of data to write (8 hex characters)");\r
	66	PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)");\r
	67	PrintAndLog("");\r
	68	PrintAndLog("Examples:");\r
	69	PrintAndLog(" lf t55xx wr 3 11223344 - write 11223344 to block 3");\r
	70	PrintAndLog(" lf t55xx wr 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef");\r
	71	PrintAndLog("");\r
	72	return 0;\r
	73	}\r
	74	int usage_t55xx_trace() {\r
	75	PrintAndLog("Usage: lf t55xx trace [1]");\r
	76	PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
	77	PrintAndLog("");\r
	78	PrintAndLog("Examples:");\r
	79	PrintAndLog(" lf t55xx trace");\r
	80	PrintAndLog(" lf t55xx trace 1");\r
	81	PrintAndLog("");\r
	82	return 0;\r
	83	}\r
	84	int usage_t55xx_info() {\r
	85	PrintAndLog("Usage: lf t55xx info [1]");\r
	86	PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");\r
	87	PrintAndLog("");\r
	88	PrintAndLog("Examples:");\r
	89	PrintAndLog(" lf t55xx info");\r
	90	PrintAndLog(" lf t55xx info 1");\r
	91	PrintAndLog("");\r
	92	return 0;\r
	93	}\r
	94	int usage_t55xx_dump(){\r
	95	PrintAndLog("Usage: lf t55xx dump <password>");\r
	96	PrintAndLog(" <password>, OPTIONAL password 4bytes (8 hex symbols)");\r
	97	PrintAndLog("");\r
	98	PrintAndLog("Examples:");\r
	99	PrintAndLog(" lf t55xx dump");\r
	100	PrintAndLog(" lf t55xx dump feedbeef");\r
	101	PrintAndLog("");\r
	102	return 0;\r
	103	}\r
	104	int usage_t55xx_detect(){\r
	105	PrintAndLog("Usage: lf t55xx detect");\r
	106	PrintAndLog("");\r
	107	PrintAndLog("Examples:");\r
	108	PrintAndLog(" lf t55xx detect");\r
	109	PrintAndLog(" lf t55xx detect 1");\r
	110	PrintAndLog("");\r
	111	return 0;\r
	112	}\r
	113	\r
	114	static int CmdHelp(const char *Cmd);\r
	115	\r
	116	int CmdT55xxSetConfig(const char *Cmd) {\r
	117	\r
	118	uint8_t offset = 0;\r
	119	bool errors = FALSE;\r
	120	uint8_t cmdp = 0;\r
	121	char modulation[5] = {0x00};\r
	122	char tmp = 0x00;\r
	123	uint8_t bitRate = 0;\r
	124	uint8_t rates[9] = {8,16,32,40,50,64,100,128,0};\r
	125	while(param_getchar(Cmd, cmdp) != 0x00 && !errors)\r
	126	{\r
	127	tmp = param_getchar(Cmd, cmdp);\r
	128	switch(tmp)\r
	129	{\r
	130	case 'h':\r
	131	case 'H':\r
	132	return usage_t55xx_config();\r
	133	case 'b':\r
	134	errors \|= param_getdec(Cmd, cmdp+1, &bitRate);\r
	135	if ( !errors){\r
	136	uint8_t i = 0;\r
	137	for (; i < 9; i++){\r
	138	if (rates[i]==bitRate) {\r
	139	config.bitrate = i;\r
	140	break;\r
	141	}\r
	142	}\r
	143	if (i==9) errors = TRUE;\r
	144	}\r
	145	cmdp+=2;\r
	146	break;\r
	147	case 'd':\r
	148	param_getstr(Cmd, cmdp+1, modulation);\r
	149	cmdp += 2;\r
	150	\r
	151	if ( strcmp(modulation, "FSK" ) == 0) {\r
	152	config.modulation = DEMOD_FSK;\r
	153	} else if ( strcmp(modulation, "FSK1" ) == 0) {\r
	154	config.modulation = DEMOD_FSK1;\r
	155	config.inverted=1;\r
	156	} else if ( strcmp(modulation, "FSK1a" ) == 0) {\r
	157	config.modulation = DEMOD_FSK1a;\r
	158	config.inverted=0;\r
	159	} else if ( strcmp(modulation, "FSK2" ) == 0) {\r
	160	config.modulation = DEMOD_FSK2;\r
	161	config.inverted=0;\r
	162	} else if ( strcmp(modulation, "FSK2a" ) == 0) {\r
	163	config.modulation = DEMOD_FSK2a;\r
	164	config.inverted=1;\r
	165	} else if ( strcmp(modulation, "ASK" ) == 0) {\r
	166	config.modulation = DEMOD_ASK;\r
	167	} else if ( strcmp(modulation, "NRZ" ) == 0) {\r
	168	config.modulation = DEMOD_NRZ;\r
	169	} else if ( strcmp(modulation, "PSK1" ) == 0) {\r
	170	config.modulation = DEMOD_PSK1;\r
	171	} else if ( strcmp(modulation, "PSK2" ) == 0) {\r
	172	config.modulation = DEMOD_PSK2;\r
	173	} else if ( strcmp(modulation, "PSK3" ) == 0) {\r
	174	config.modulation = DEMOD_PSK3;\r
	175	} else if ( strcmp(modulation, "BIa" ) == 0) {\r
	176	config.modulation = DEMOD_BIa;\r
	177	config.inverted=1;\r
	178	} else if ( strcmp(modulation, "BI" ) == 0) {\r
	179	config.modulation = DEMOD_BI;\r
	180	config.inverted=0;\r
	181	} else {\r
	182	PrintAndLog("Unknown modulation '%s'", modulation);\r
	183	errors = TRUE;\r
	184	}\r
	185	break;\r
	186	case 'i':\r
	187	config.inverted = param_getchar(Cmd,cmdp+1) == '1';\r
	188	cmdp+=2;\r
	189	break;\r
	190	case 'o':\r
	191	errors \|= param_getdec(Cmd, cmdp+1, &offset);\r
	192	if ( !errors )\r
	193	config.offset = offset;\r
	194	cmdp+=2;\r
	195	break;\r
	196	default:\r
	197	PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));\r
	198	errors = TRUE;\r
	199	break;\r
	200	}\r
	201	}\r
	202	\r
	203	// No args\r
	204	if (cmdp == 0) {\r
	205	printConfiguration( config );\r
	206	return 0;\r
	207	}\r
	208	//Validations\r
	209	if (errors)\r
	210	return usage_t55xx_config();\r
	211	\r
	212	config.block0 = 0;\r
	213	printConfiguration ( config );\r
	214	return 0;\r
	215	}\r
	216	\r
	217	int CmdT55xxReadBlock(const char *Cmd) {\r
	218	int block = -1;\r
	219	int password = 0xFFFFFFFF; //default to blank Block 7\r
	220	\r
	221	char cmdp = param_getchar(Cmd, 0);\r
	222	if (cmdp == 'h' \|\| cmdp == 'H')\r
	223	return usage_t55xx_read();\r
	224	\r
	225	int res = sscanf(Cmd, "%d %x", &block, &password);\r
	226	\r
	227	if ( res < 1 \|\| res > 2 )\r
	228	return usage_t55xx_read();\r
	229	\r
	230	\r
	231	if ((block < 0) \| (block > 7)) {\r
	232	PrintAndLog("Block must be between 0 and 7");\r
	233	return 1;\r
	234	} \r
	235	\r
	236	UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};\r
	237	c.d.asBytes[0] = 0x0; \r
	238	\r
	239	//Password mode\r
	240	if ( res == 2 ) {\r
	241	c.arg[2] = password;\r
	242	c.d.asBytes[0] = 0x1; \r
	243	}\r
	244	\r
	245	clearCommandBuffer();\r
	246	SendCommand(&c);\r
	247	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
	248	PrintAndLog("command execution time out");\r
	249	return 2;\r
	250	}\r
	251	\r
	252	uint8_t got[12000];\r
	253	GetFromBigBuf(got,sizeof(got),0);\r
	254	WaitForResponse(CMD_ACK,NULL);\r
	255	setGraphBuf(got, 12000);\r
	256	DemodBufferLen=0;\r
	257	if (!DecodeT55xxBlock()) return 3;\r
	258	char blk[10]={0};\r
	259	sprintf(blk,"%d", block);\r
	260	printT55xxBlock(blk);\r
	261	return 0;\r
	262	}\r
	263	\r
	264	bool DecodeT55xxBlock(){\r
	265	\r
	266	char buf[30] = {0x00};\r
	267	char *cmdStr = buf;\r
	268	int ans = 0;\r
	269	uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};\r
	270	DemodBufferLen = 0x00;\r
	271	\r
	272	//trim 1/2 a clock from beginning\r
	273	snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 );\r
	274	CmdLtrim(cmdStr);\r
	275	switch( config.modulation ){\r
	276	case DEMOD_FSK:\r
	277	snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted );\r
	278	ans = FSKrawDemod(cmdStr, FALSE);\r
	279	break;\r
	280	case DEMOD_FSK1:\r
	281	case DEMOD_FSK1a:\r
	282	snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted );\r
	283	ans = FSKrawDemod(cmdStr, FALSE);\r
	284	break;\r
	285	case DEMOD_FSK2:\r
	286	case DEMOD_FSK2a:\r
	287	snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted );\r
	288	ans = FSKrawDemod(cmdStr, FALSE);\r
	289	break;\r
	290	case DEMOD_ASK:\r
	291	snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );\r
	292	ans = ASKDemod(cmdStr, FALSE, FALSE, 1);\r
	293	break;\r
	294	case DEMOD_PSK1:\r
	295	snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted );\r
	296	ans = PSKDemod(cmdStr, FALSE);\r
	297	break;\r
	298	case DEMOD_PSK2: //inverted won't affect this\r
	299	case DEMOD_PSK3: //not fully implemented\r
	300	snprintf(cmdStr, sizeof(buf),"%d 0 1", bitRate[config.bitrate] );\r
	301	ans = PSKDemod(cmdStr, FALSE);\r
	302	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	303	break;\r
	304	case DEMOD_NRZ:\r
	305	snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );\r
	306	ans = NRZrawDemod(cmdStr, FALSE);\r
	307	break;\r
	308	case DEMOD_BI:\r
	309	case DEMOD_BIa:\r
	310	snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted );\r
	311	ans = ASKbiphaseDemod(cmdStr, FALSE);\r
	312	break;\r
	313	default:\r
	314	return FALSE;\r
	315	}\r
	316	return (bool) ans;\r
	317	}\r
	318	\r
	319	int CmdT55xxDetect(const char *Cmd){\r
	320	\r
	321	char cmdp = param_getchar(Cmd, 0);\r
	322	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H')\r
	323	return usage_t55xx_detect();\r
	324	\r
	325	if (strlen(Cmd)==0)\r
	326	AquireData( CONFIGURATION_BLOCK );\r
	327	\r
	328	if ( !tryDetectModulation() )\r
	329	PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'");\r
	330	\r
	331	return 0;\r
	332	}\r
	333	\r
	334	// detect configuration?\r
	335	bool tryDetectModulation(){\r
	336	char cmdStr[8] = {0};\r
	337	uint8_t hits = 0;\r
	338	t55xx_conf_block_t tests[15];\r
	339	int bitRate=0;\r
	340	uint8_t fc1 = 0, fc2 = 0, clk=0;\r
	341	save_restoreGB(1);\r
	342	if (GetFskClock("", FALSE, FALSE)){ \r
	343	fskClocks(&fc1, &fc2, &clk, FALSE);\r
	344	sprintf(cmdStr,"%d", clk/2);\r
	345	CmdLtrim(cmdStr);\r
	346	if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){\r
	347	tests[hits].modulation = DEMOD_FSK;\r
	348	if (fc1==8 && fc2 == 5)\r
	349	tests[hits].modulation = DEMOD_FSK1a;\r
	350	else if (fc1==10 && fc2 == 8)\r
	351	tests[hits].modulation = DEMOD_FSK2;\r
	352	tests[hits].bitrate = bitRate;\r
	353	tests[hits].inverted = FALSE;\r
	354	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	355	++hits;\r
	356	}\r
	357	if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) {\r
	358	tests[hits].modulation = DEMOD_FSK;\r
	359	if (fc1 == 8 && fc2 == 5)\r
	360	tests[hits].modulation = DEMOD_FSK1;\r
	361	else if (fc1 == 10 && fc2 == 8)\r
	362	tests[hits].modulation = DEMOD_FSK2a;\r
	363	\r
	364	tests[hits].bitrate = bitRate;\r
	365	tests[hits].inverted = TRUE;\r
	366	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	367	++hits;\r
	368	}\r
	369	} else {\r
	370	clk = GetAskClock("", FALSE, FALSE);\r
	371	if (clk>0) {\r
	372	sprintf(cmdStr,"%d", clk/2);\r
	373	CmdLtrim(cmdStr);\r
	374	if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {\r
	375	tests[hits].modulation = DEMOD_ASK;\r
	376	tests[hits].bitrate = bitRate;\r
	377	tests[hits].inverted = FALSE;\r
	378	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	379	++hits;\r
	380	}\r
	381	if ( ASKDemod("0 1 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) {\r
	382	tests[hits].modulation = DEMOD_ASK;\r
	383	tests[hits].bitrate = bitRate;\r
	384	tests[hits].inverted = TRUE;\r
	385	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	386	++hits;\r
	387	}\r
	388	if ( ASKbiphaseDemod("0 0 0 0", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate) ) {\r
	389	tests[hits].modulation = DEMOD_BI;\r
	390	tests[hits].bitrate = bitRate;\r
	391	tests[hits].inverted = FALSE;\r
	392	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	393	++hits;\r
	394	}\r
	395	if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate) ) {\r
	396	tests[hits].modulation = DEMOD_BIa;\r
	397	tests[hits].bitrate = bitRate;\r
	398	tests[hits].inverted = TRUE;\r
	399	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	400	++hits;\r
	401	}\r
	402	}\r
	403	//undo trim from ask\r
	404	save_restoreGB(0);\r
	405	clk = GetNrzClock("", FALSE, FALSE);\r
	406	if (clk>0) {\r
	407	sprintf(cmdStr,"%d", clk/2);\r
	408	CmdLtrim(cmdStr);\r
	409	if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {\r
	410	tests[hits].modulation = DEMOD_NRZ;\r
	411	tests[hits].bitrate = bitRate;\r
	412	tests[hits].inverted = FALSE;\r
	413	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	414	++hits;\r
	415	}\r
	416	\r
	417	if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) {\r
	418	tests[hits].modulation = DEMOD_NRZ;\r
	419	tests[hits].bitrate = bitRate;\r
	420	tests[hits].inverted = TRUE;\r
	421	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	422	++hits;\r
	423	}\r
	424	}\r
	425	\r
	426	//undo trim from nrz\r
	427	save_restoreGB(0);\r
	428	clk = GetPskClock("", FALSE, FALSE);\r
	429	if (clk>0) {\r
	430	PrintAndLog("clk %d",clk);\r
	431	sprintf(cmdStr,"%d", clk/2);\r
	432	CmdLtrim(cmdStr); \r
	433	if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {\r
	434	tests[hits].modulation = DEMOD_PSK1;\r
	435	tests[hits].bitrate = bitRate;\r
	436	tests[hits].inverted = FALSE;\r
	437	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	438	++hits;\r
	439	}\r
	440	if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) {\r
	441	tests[hits].modulation = DEMOD_PSK1;\r
	442	tests[hits].bitrate = bitRate;\r
	443	tests[hits].inverted = TRUE;\r
	444	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	445	++hits;\r
	446	}\r
	447	// PSK2 - needs a call to psk1TOpsk2.\r
	448	if ( PSKDemod("0 0 1", FALSE)) {\r
	449	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	450	if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate)){\r
	451	tests[hits].modulation = DEMOD_PSK2;\r
	452	tests[hits].bitrate = bitRate;\r
	453	tests[hits].inverted = FALSE;\r
	454	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	455	++hits;\r
	456	}\r
	457	} // inverse waves does not affect this demod\r
	458	// PSK3 - needs a call to psk1TOpsk2.\r
	459	if ( PSKDemod("0 0 1", FALSE)) {\r
	460	psk1TOpsk2(DemodBuffer, DemodBufferLen);\r
	461	if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate)){\r
	462	tests[hits].modulation = DEMOD_PSK3;\r
	463	tests[hits].bitrate = bitRate;\r
	464	tests[hits].inverted = FALSE;\r
	465	tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer);\r
	466	++hits;\r
	467	}\r
	468	} // inverse waves does not affect this demod\r
	469	}\r
	470	} \r
	471	if ( hits == 1) {\r
	472	config.modulation = tests[0].modulation;\r
	473	config.bitrate = tests[0].bitrate;\r
	474	config.inverted = tests[0].inverted;\r
	475	config.offset = tests[0].offset;\r
	476	config.block0 = tests[0].block0;\r
	477	printConfiguration( config );\r
	478	return TRUE;\r
	479	}\r
	480	\r
	481	if ( hits > 1) {\r
	482	PrintAndLog("Found [%d] possible matches for modulation.",hits);\r
	483	for(int i=0; i<hits; ++i){\r
	484	PrintAndLog("--[%d]---------------", i+1);\r
	485	printConfiguration( tests[i] );\r
	486	}\r
	487	}\r
	488	return FALSE;\r
	489	}\r
	490	\r
	491	bool testModulation(uint8_t mode, uint8_t modread){\r
	492	switch( mode ){\r
	493	case DEMOD_FSK:\r
	494	if (modread > 3 && modread < 8) return TRUE;\r
	495	break;\r
	496	case DEMOD_ASK:\r
	497	if (modread == DEMOD_ASK) return TRUE;\r
	498	break;\r
	499	case DEMOD_PSK1:\r
	500	if (modread == DEMOD_PSK1) return TRUE;\r
	501	break;\r
	502	case DEMOD_PSK2:\r
	503	if (modread == DEMOD_PSK2) return TRUE;\r
	504	break;\r
	505	case DEMOD_PSK3:\r
	506	if (modread == DEMOD_PSK3) return TRUE;\r
	507	break;\r
	508	case DEMOD_NRZ:\r
	509	if (modread == DEMOD_NRZ) return TRUE;\r
	510	break;\r
	511	case DEMOD_BI:\r
	512	if (modread == DEMOD_BI) return TRUE;\r
	513	break;\r
	514	case DEMOD_BIa:\r
	515	if (modread == DEMOD_BIa) return TRUE;\r
	516	break; \r
	517	default:\r
	518	return FALSE;\r
	519	}\r
	520	return FALSE;\r
	521	}\r
	522	\r
	523	bool testBitRate(uint8_t readRate, uint8_t mod){\r
	524	uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128};\r
	525	uint8_t detRate = 0;\r
	526	switch( mod ){\r
	527	case DEMOD_FSK:\r
	528	case DEMOD_FSK1:\r
	529	case DEMOD_FSK1a:\r
	530	case DEMOD_FSK2:\r
	531	case DEMOD_FSK2a:\r
	532	detRate = GetFskClock("",FALSE, FALSE); \r
	533	if (expected[readRate] == detRate) \r
	534	return TRUE;\r
	535	break;\r
	536	case DEMOD_ASK:\r
	537	case DEMOD_BI:\r
	538	case DEMOD_BIa:\r
	539	detRate = GetAskClock("",FALSE, FALSE); \r
	540	if (expected[readRate] == detRate) \r
	541	return TRUE;\r
	542	break;\r
	543	case DEMOD_PSK1:\r
	544	case DEMOD_PSK2:\r
	545	case DEMOD_PSK3:\r
	546	detRate = GetPskClock("",FALSE, FALSE); \r
	547	if (expected[readRate] == detRate)\r
	548	return TRUE;\r
	549	break;\r
	550	case DEMOD_NRZ:\r
	551	detRate = GetNrzClock("",FALSE, FALSE); \r
	552	if (expected[readRate] == detRate)\r
	553	return TRUE;\r
	554	break;\r
	555	default:\r
	556	return FALSE;\r
	557	}\r
	558	return FALSE;\r
	559	}\r
	560	\r
	561	bool test(uint8_t mode, uint8_t offset, int fndBitRate){\r
	562	\r
	563	if ( DemodBufferLen < 64 ) return FALSE;\r
	564	uint8_t si = 0;\r
	565	for (uint8_t idx = 0; idx < 64; idx++){\r
	566	si = idx;\r
	567	if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue;\r
	568	\r
	569	uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key\r
	570	uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode\r
	571	// 2nibble must be zeroed.\r
	572	// moved test to here, since this gets most faults first.\r
	573	if ( resv > 0x00) continue;\r
	574	\r
	575	uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate\r
	576	int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate\r
	577	if (bitRate > 7) continue;\r
	578	uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode\r
	579	uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; \r
	580	//uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr\r
	581	uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode\r
	582	uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2;\r
	583	\r
	584	//if extended mode\r
	585	bool extMode =( (safer == 0x6 \|\| safer == 0x9) && extend) ? TRUE : FALSE;\r
	586	\r
	587	if (!extMode){\r
	588	if (nml01 \|\| nml02 \|\| xtRate) continue;\r
	589	}\r
	590	//test modulation\r
	591	if (!testModulation(mode, modread)) continue;\r
	592	if (!testBitRate(bitRate, mode)) continue;\r
	593	*fndBitRate = bitRate;\r
	594	*offset = idx;\r
	595	return TRUE;\r
	596	}\r
	597	return FALSE;\r
	598	}\r
	599	\r
	600	void printT55xxBlock(const char *blockNum){\r
	601	\r
	602	uint8_t i = config.offset;\r
	603	uint8_t endpos = 32 + i;\r
	604	uint32_t blockData = 0;\r
	605	uint8_t bits[64] = {0x00};\r
	606	\r
	607	if ( !DemodBufferLen) return;\r
	608	\r
	609	if ( endpos > DemodBufferLen){\r
	610	PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32);\r
	611	return;\r
	612	}\r
	613	\r
	614	for (; i < endpos; ++i)\r
	615	bits[i - config.offset]=DemodBuffer[i];\r
	616	\r
	617	blockData = PackBits(0, 32, bits);\r
	618	PrintAndLog("[%s] 0x%08X %s", blockNum, blockData, sprint_bin(bits,32));\r
	619	}\r
	620	\r
	621	int special(const char *Cmd) {\r
	622	uint32_t blockData = 0;\r
	623	uint8_t bits[32] = {0x00};\r
	624	\r
	625	PrintAndLog("[OFFSET] [DATA] [BINARY]");\r
	626	PrintAndLog("----------------------------------------------------");\r
	627	int i,j = 0;\r
	628	for (; j < 64; ++j){\r
	629	\r
	630	for (i = 0; i < 32; ++i)\r
	631	bits[i]=DemodBuffer[j+i];\r
	632	\r
	633	blockData = PackBits(0, 32, bits);\r
	634	\r
	635	PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32)); \r
	636	}\r
	637	return 0;\r
	638	}\r
	639	\r
	640	void printConfiguration( t55xx_conf_block_t b){\r
	641	PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) );\r
	642	PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) );\r
	643	PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" );\r
	644	PrintAndLog("Offset : %d", b.offset);\r
	645	PrintAndLog("Block0 : 0x%08X", b.block0);\r
	646	PrintAndLog("");\r
	647	}\r
	648	\r
	649	int CmdT55xxWriteBlock(const char *Cmd)\r
	650	{\r
	651	int block = 8; //default to invalid block\r
	652	int data = 0xFFFFFFFF; //default to blank Block \r
	653	int password = 0xFFFFFFFF; //default to blank Block 7\r
	654	\r
	655	char cmdp = param_getchar(Cmd, 0);\r
	656	if (cmdp == 'h' \|\| cmdp == 'H') {\r
	657	usage_t55xx_write();\r
	658	return 0;\r
	659	}\r
	660	\r
	661	int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);\r
	662	\r
	663	if ( res < 2 \|\| res > 3) {\r
	664	usage_t55xx_write();\r
	665	return 1;\r
	666	}\r
	667	\r
	668	if (block > 7) {\r
	669	PrintAndLog("Block number must be between 0 and 7");\r
	670	return 1;\r
	671	}\r
	672	\r
	673	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};\r
	674	UsbCommand resp;\r
	675	c.d.asBytes[0] = 0x0; \r
	676	\r
	677	PrintAndLog("Writing to block: %d data : 0x%08X", block, data);\r
	678	\r
	679	//Password mode\r
	680	if (res == 3) {\r
	681	c.arg[2] = password;\r
	682	c.d.asBytes[0] = 0x1; \r
	683	PrintAndLog("pwd : 0x%08X", password);\r
	684	}\r
	685	clearCommandBuffer();\r
	686	SendCommand(&c);\r
	687	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){\r
	688	PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");\r
	689	return -1;\r
	690	}\r
	691	return 0;\r
	692	}\r
	693	\r
	694	int CmdT55xxReadTrace(const char *Cmd)\r
	695	{\r
	696	char cmdp = param_getchar(Cmd, 0);\r
	697	\r
	698	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H') \r
	699	return usage_t55xx_trace();\r
	700	\r
	701	if (strlen(Cmd)==0)\r
	702	AquireData( TRACE_BLOCK );\r
	703	\r
	704	if (!DecodeT55xxBlock()) return 1;\r
	705	\r
	706	if ( !DemodBufferLen) return 1;\r
	707	\r
	708	RepaintGraphWindow();\r
	709	uint8_t repeat = 0;\r
	710	if (config.offset > 5) \r
	711	repeat = 32;\r
	712	uint8_t si = config.offset+repeat;\r
	713	uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
	714	uint32_t bl1 = PackBits(si+32, 32, DemodBuffer);\r
	715	\r
	716	uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8;\r
	717	uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8;\r
	718	uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5;\r
	719	uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3;\r
	720	uint32_t year = PackBits(si, 4, DemodBuffer); si += 4;\r
	721	uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2;\r
	722	uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14;\r
	723	uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5;\r
	724	uint32_t dw = PackBits(si, 15, DemodBuffer); \r
	725	\r
	726	time_t t = time(NULL);\r
	727	struct tm tm = *localtime(&t);\r
	728	if ( year > tm.tm_year-110)\r
	729	year += 2000;\r
	730	else\r
	731	year += 2010;\r
	732	\r
	733	if ( acl != 0xE0 ) {\r
	734	PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. ");\r
	735	return 1;\r
	736	}\r
	737	\r
	738	PrintAndLog("");\r
	739	PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
	740	PrintAndLog("-------------------------------------------------------------");\r
	741	PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);\r
	742	PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc));\r
	743	PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid));\r
	744	PrintAndLog(" ICR IC Revision : %d",icr );\r
	745	PrintAndLog(" Manufactured");\r
	746	PrintAndLog(" Year/Quarter : %d/%d",year, quarter);\r
	747	PrintAndLog(" Lot ID : %d", lotid );\r
	748	PrintAndLog(" Wafer number : %d", wafer);\r
	749	PrintAndLog(" Die Number : %d", dw);\r
	750	PrintAndLog("-------------------------------------------------------------");\r
	751	PrintAndLog(" Raw Data - Page 1");\r
	752	PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) );\r
	753	PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) );\r
	754	PrintAndLog("-------------------------------------------------------------");\r
	755	\r
	756	/*\r
	757	TRACE - BLOCK O\r
	758	Bits Definition HEX\r
	759	1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 \r
	760	9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation\r
	761	17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 \r
	762	22-24 ICR IC revision\r
	763	25-28 YEAR (BCD encoded) 9 (= 2009)\r
	764	29-30 QUARTER 1,2,3,4 \r
	765	31-32 LOT ID\r
	766	\r
	767	TRACE - BLOCK 1\r
	768	1-12 LOT ID \r
	769	13-17 Wafer number\r
	770	18-32 DW, die number sequential\r
	771	*/\r
	772	\r
	773	return 0;\r
	774	}\r
	775	\r
	776	int CmdT55xxInfo(const char *Cmd){\r
	777	/*\r
	778	Page 0 Block 0 Configuration data.\r
	779	Normal mode\r
	780	Extended mode\r
	781	*/\r
	782	char cmdp = param_getchar(Cmd, 0);\r
	783	\r
	784	if (strlen(Cmd) > 1 \|\| cmdp == 'h' \|\| cmdp == 'H')\r
	785	return usage_t55xx_info();\r
	786	\r
	787	if (strlen(Cmd)==0)\r
	788	AquireData( CONFIGURATION_BLOCK );\r
	789	\r
	790	if (!DecodeT55xxBlock()) return 1;\r
	791	\r
	792	if ( DemodBufferLen < 32) return 1;\r
	793	\r
	794	uint8_t si = config.offset;\r
	795	uint32_t bl0 = PackBits(si, 32, DemodBuffer);\r
	796	\r
	797	uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4; \r
	798	uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7;\r
	799	uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3;\r
	800	uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1;\r
	801	uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5;\r
	802	uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2;\r
	803	uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1; \r
	804	uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1; \r
	805	uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3;\r
	806	uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1; \r
	807	uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1; \r
	808	uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1;\r
	809	uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1; \r
	810	uint32_t por = PackBits(si, 1, DemodBuffer); si += 1;\r
	811	\r
	812	PrintAndLog("");\r
	813	PrintAndLog("-- T55xx Configuration & Tag Information --------------------");\r
	814	PrintAndLog("-------------------------------------------------------------");\r
	815	PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
	816	PrintAndLog(" reserved : %d", resv);\r
	817	PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
	818	PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
	819	PrintAndLog(" Modulation : %s", GetModulationStr(datamod));\r
	820	PrintAndLog(" PSK clock frequency : %d", pskcf);\r
	821	PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");\r
	822	PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );\r
	823	PrintAndLog(" Max block : %d", maxblk);\r
	824	PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");\r
	825	PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");\r
	826	PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
	827	PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");\r
	828	PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
	829	PrintAndLog("-------------------------------------------------------------");\r
	830	PrintAndLog(" Raw Data - Page 0");\r
	831	PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) );\r
	832	PrintAndLog("-------------------------------------------------------------");\r
	833	\r
	834	return 0;\r
	835	}\r
	836	\r
	837	int CmdT55xxDump(const char *Cmd){\r
	838	\r
	839	char s[20] = {0x00};\r
	840	uint8_t pwd[4] = {0x00};\r
	841	\r
	842	char cmdp = param_getchar(Cmd, 0);\r
	843	if ( cmdp == 'h' \|\| cmdp == 'H') {\r
	844	usage_t55xx_dump();\r
	845	return 0;\r
	846	}\r
	847	\r
	848	bool hasPwd = ( strlen(Cmd) > 0); \r
	849	if ( hasPwd ){\r
	850	if (param_gethex(Cmd, 0, pwd, 8)) {\r
	851	PrintAndLog("password must include 8 HEX symbols");\r
	852	return 1;\r
	853	}\r
	854	}\r
	855	\r
	856	for ( int i = 0; i <8; ++i){\r
	857	memset(s,0,sizeof(s));\r
	858	if ( hasPwd ) {\r
	859	sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);\r
	860	} else {\r
	861	sprintf(s,"%d", i);\r
	862	}\r
	863	CmdT55xxReadBlock(s);\r
	864	}\r
	865	return 0;\r
	866	}\r
	867	\r
	868	int AquireData( uint8_t block ){\r
	869	\r
	870	UsbCommand c;\r
	871	\r
	872	if ( block == CONFIGURATION_BLOCK ) \r
	873	c.cmd = CMD_T55XX_READ_BLOCK;\r
	874	else if (block == TRACE_BLOCK )\r
	875	c.cmd = CMD_T55XX_READ_TRACE;\r
	876	\r
	877	c.arg[0] = 0x00;\r
	878	c.arg[1] = 0x00;\r
	879	c.arg[2] = 0x00;\r
	880	c.d.asBytes[0] = 0x0; \r
	881	\r
	882	//Password mode\r
	883	// if ( res == 2 ) {\r
	884	// c.arg[2] = password;\r
	885	// c.d.asBytes[0] = 0x1; \r
	886	// }\r
	887	\r
	888	clearCommandBuffer();\r
	889	SendCommand(&c);\r
	890	if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {\r
	891	PrintAndLog("command execution time out");\r
	892	return 1;\r
	893	}\r
	894	\r
	895	uint8_t got[12000];\r
	896	GetFromBigBuf(got,sizeof(got),0);\r
	897	WaitForResponse(CMD_ACK,NULL);\r
	898	setGraphBuf(got, 12000);\r
	899	return 0;\r
	900	}\r
	901	\r
	902	char * GetBitRateStr(uint32_t id){\r
	903	static char buf[25];\r
	904	\r
	905	char *retStr = buf;\r
	906	switch (id){\r
	907	case 0: \r
	908	snprintf(retStr,sizeof(buf),"%d - RF/8",id);\r
	909	break;\r
	910	case 1:\r
	911	snprintf(retStr,sizeof(buf),"%d - RF/16",id);\r
	912	break;\r
	913	case 2: \r
	914	snprintf(retStr,sizeof(buf),"%d - RF/32",id);\r
	915	break;\r
	916	case 3:\r
	917	snprintf(retStr,sizeof(buf),"%d - RF/40",id);\r
	918	break;\r
	919	case 4:\r
	920	snprintf(retStr,sizeof(buf),"%d - RF/50",id);\r
	921	break;\r
	922	case 5:\r
	923	snprintf(retStr,sizeof(buf),"%d - RF/64",id);\r
	924	break;\r
	925	case 6:\r
	926	snprintf(retStr,sizeof(buf),"%d - RF/100",id);\r
	927	break;\r
	928	case 7:\r
	929	snprintf(retStr,sizeof(buf),"%d - RF/128",id);\r
	930	break;\r
	931	default:\r
	932	snprintf(retStr,sizeof(buf),"%d - (Unknown)",id);\r
	933	break;\r
	934	}\r
	935	\r
	936	return buf;\r
	937	}\r
	938	\r
	939	char * GetSaferStr(uint32_t id){\r
	940	static char buf[40];\r
	941	char *retStr = buf;\r
	942	\r
	943	snprintf(retStr,sizeof(buf),"%d",id);\r
	944	if (id == 6) {\r
	945	snprintf(retStr,sizeof(buf),"%d - passwd",id);\r
	946	}\r
	947	if (id == 9 ){\r
	948	snprintf(retStr,sizeof(buf),"%d - testmode",id);\r
	949	}\r
	950	\r
	951	return buf;\r
	952	}\r
	953	\r
	954	char * GetModulationStr( uint32_t id){\r
	955	static char buf[60];\r
	956	char *retStr = buf;\r
	957	\r
	958	switch (id){\r
	959	case 0: \r
	960	snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id);\r
	961	break;\r
	962	case 1:\r
	963	snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id);\r
	964	break;\r
	965	case 2: \r
	966	snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id);\r
	967	break;\r
	968	case 3:\r
	969	snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id);\r
	970	break;\r
	971	case 4:\r
	972	snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id);\r
	973	break;\r
	974	case 5:\r
	975	snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id);\r
	976	break;\r
	977	case 6:\r
	978	snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id);\r
	979	break;\r
	980	case 7:\r
	981	snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id);\r
	982	break;\r
	983	case 8:\r
	984	snprintf(retStr,sizeof(buf),"%d - Manchester",id);\r
	985	break;\r
	986	case 16:\r
	987	snprintf(retStr,sizeof(buf),"%d - Biphase",id);\r
	988	break;\r
	989	case 0x18:\r
	990	snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id);\r
	991	break;\r
	992	case 17:\r
	993	snprintf(retStr,sizeof(buf),"%d - Reserved",id);\r
	994	break;\r
	995	default:\r
	996	snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id);\r
	997	break;\r
	998	}\r
	999	return buf;\r
	1000	}\r
	1001	\r
	1002	char * GetModelStrFromCID(uint32_t cid){\r
	1003	\r
	1004	static char buf[10];\r
	1005	char *retStr = buf;\r
	1006	\r
	1007	if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1");\r
	1008	if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2"); \r
	1009	return buf;\r
	1010	}\r
	1011	\r
	1012	char * GetSelectedModulationStr( uint8_t id){\r
	1013	\r
	1014	static char buf[20];\r
	1015	char *retStr = buf;\r
	1016	\r
	1017	switch (id){\r
	1018	case DEMOD_FSK:\r
	1019	snprintf(retStr,sizeof(buf),"FSK");\r
	1020	break;\r
	1021	case DEMOD_FSK1:\r
	1022	snprintf(retStr,sizeof(buf),"FSK1");\r
	1023	break;\r
	1024	case DEMOD_FSK1a:\r
	1025	snprintf(retStr,sizeof(buf),"FSK1a");\r
	1026	break;\r
	1027	case DEMOD_FSK2:\r
	1028	snprintf(retStr,sizeof(buf),"FSK2");\r
	1029	break;\r
	1030	case DEMOD_FSK2a:\r
	1031	snprintf(retStr,sizeof(buf),"FSK2a");\r
	1032	break;\r
	1033	case DEMOD_ASK: \r
	1034	snprintf(retStr,sizeof(buf),"ASK");\r
	1035	break;\r
	1036	case DEMOD_NRZ:\r
	1037	snprintf(retStr,sizeof(buf),"DIRECT/NRZ");\r
	1038	break;\r
	1039	case DEMOD_PSK1:\r
	1040	snprintf(retStr,sizeof(buf),"PSK1");\r
	1041	break;\r
	1042	case DEMOD_PSK2:\r
	1043	snprintf(retStr,sizeof(buf),"PSK2");\r
	1044	break;\r
	1045	case DEMOD_PSK3:\r
	1046	snprintf(retStr,sizeof(buf),"PSK3");\r
	1047	break;\r
	1048	case DEMOD_BI:\r
	1049	snprintf(retStr,sizeof(buf),"BIPHASE");\r
	1050	break;\r
	1051	case DEMOD_BIa:\r
	1052	snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)");\r
	1053	break;\r
	1054	default:\r
	1055	snprintf(retStr,sizeof(buf),"(Unknown)");\r
	1056	break;\r
	1057	}\r
	1058	return buf;\r
	1059	}\r
	1060	\r
	1061	uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
	1062	\r
	1063	int i = start;\r
	1064	int j = len-1;\r
	1065	\r
	1066	if (len > 32) return 0;\r
	1067	\r
	1068	uint32_t tmp = 0;\r
	1069	for (; j >= 0; --j, ++i)\r
	1070	tmp \|= bits[i] << j;\r
	1071	\r
	1072	return tmp;\r
	1073	}\r
	1074	\r
	1075	static command_t CommandTable[] =\r
	1076	{\r
	1077	{"help", CmdHelp, 1, "This help"},\r
	1078	{"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"},\r
	1079	{"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."},\r
	1080	{"read", CmdT55xxReadBlock, 0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},\r
	1081	{"write", CmdT55xxWriteBlock,0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},\r
	1082	{"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"},\r
	1083	{"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"},\r
	1084	{"dump", CmdT55xxDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"},\r
	1085	{"special", special, 0, "Show block changes with 64 different offsets"},\r
	1086	{NULL, NULL, 0, NULL}\r
	1087	};\r
	1088	\r
	1089	int CmdLFT55XX(const char *Cmd)\r
	1090	{\r
	1091	CmdsParse(CommandTable, Cmd);\r
	1092	return 0;\r
	1093	}\r
	1094	\r
	1095	int CmdHelp(const char *Cmd)\r
	1096	{\r
	1097	CmdsHelp(CommandTable);\r
	1098	return 0;\r
	1099	}\r