[proxmark3-svn] / client / lualibs / commands.lua

--[[
These are command definitions. This file should correspond exactly to usb_cmd.h. 
--]]
--// For the bootloader
local _commands = {
	CMD_DEVICE_INFO =                                                    0x0000,
	CMD_SETUP_WRITE =                                                    0x0001,
	CMD_FINISH_WRITE =                                                   0x0003,
	CMD_HARDWARE_RESET =                                                 0x0004,
	CMD_START_FLASH =                                                    0x0005,
	CMD_NACK =                                                           0x00fe,
	CMD_ACK =                                                            0x00ff,

	--// For general mucking around
	CMD_DEBUG_PRINT_STRING =                                             0x0100,
	CMD_DEBUG_PRINT_INTEGERS =                                           0x0101,
	CMD_DEBUG_PRINT_BYTES =                                              0x0102,
	CMD_LCD_RESET =                                                      0x0103,
	CMD_LCD =                                                            0x0104,
	CMD_BUFF_CLEAR =                                                     0x0105,
	CMD_READ_MEM =                                                       0x0106,
	CMD_VERSION =                                                        0x0107,
	CMD_STATUS =                                                         0x0108,
	CMD_PING =                                                           0x0109,
	CMD_DOWNLOAD_EML_BIGBUF =											 0x0110,
	CMD_DOWNLOADED_EML_BIGBUF =											 0x0111,

	--// For low-frequency tags
	CMD_READ_TI_TYPE =                                                   0x0202,
	CMD_WRITE_TI_TYPE =                                                  0x0203,
	CMD_DOWNLOADED_RAW_BITS_TI_TYPE =                                    0x0204,
	CMD_ACQUIRE_RAW_ADC_SAMPLES_125K =                                   0x0205,
	CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K =                          0x0206,
	CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K =                                  0x0207,
	CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K =                                0x0208,
	CMD_DOWNLOADED_SIM_SAMPLES_125K =                                    0x0209,
	CMD_SIMULATE_TAG_125K =                                              0x020A,
	CMD_HID_DEMOD_FSK =                                                  0x020B,
	CMD_HID_SIM_TAG =                                                    0x020C,
	CMD_SET_LF_DIVISOR =                                                 0x020D,
	CMD_LF_SIMULATE_BIDIR =                                              0x020E,
	CMD_SET_ADC_MUX =                                                    0x020F,
	CMD_HID_CLONE_TAG =                                                  0x0210,
	CMD_EM410X_WRITE_TAG =                                               0x0211,
	CMD_INDALA_CLONE_TAG =                                               0x0212,
	--// for 224 bits UID
	CMD_INDALA_CLONE_TAG_L =                                             0x0213,
	CMD_T55XX_READ_BLOCK =                                               0x0214,
	CMD_T55XX_WRITE_BLOCK =                                              0x0215,
	CMD_T55XX_RESET_READ =                                               0x0216,
	CMD_PCF7931_READ =                                                   0x0217,
	CMD_PCF7931_WRITE =                                                  0x0223,
	CMD_EM4X_READ_WORD =                                                 0x0218,
	CMD_EM4X_WRITE_WORD =                                                0x0219,
	CMD_IO_DEMOD_FSK =                                                   0x021A,
	CMD_IO_CLONE_TAG =                                                   0x021B,
	CMD_EM410X_DEMOD =                                                   0x021c,
	CMD_SET_LF_SAMPLING_CONFIG =                                         0x021d,
	CMD_FSK_SIM_TAG =                                                    0x021E,
	CMD_ASK_SIM_TAG =                                                    0x021F,
	CMD_PSK_SIM_TAG =                                                    0x0220,
	CMD_AWID_DEMOD_FSK =                                                 0x0221,
	CMD_VIKING_CLONE_TAG =                                               0x0222,
	CMD_T55XX_WAKEUP =	                                              	 0x0224,
	CMD_COTAG =															 0x0225,
	
	--/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */

	--// For the 13.56 MHz tags
	CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693 =                              0x0300,
	CMD_READ_SRI_TAG =                                                   0x0303,
	CMD_ISO_14443B_COMMAND =											 0x0305,
	CMD_READER_ISO_15693 =                                               0x0310,
	CMD_SIMTAG_ISO_15693 =                                               0x0311,
	CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693 =                               0x0312,
	CMD_ISO_15693_COMMAND =                                              0x0313,
	CMD_ISO_15693_COMMAND_DONE =                                         0x0314,
	CMD_ISO_15693_FIND_AFI =                                             0x0315,
	CMD_ISO_15693_DEBUG =                                                0x0316,
	CMD_LF_SNOOP_RAW_ADC_SAMPLES =                                       0x0317,

	--// For Hitag2 transponders
	CMD_SNOOP_HITAG =                                                    0x0370,
	CMD_SIMULATE_HITAG =                                                 0x0371,
	CMD_READER_HITAG =                                                   0x0372,

	--// For HitagS
	CMD_TEST_HITAGS_TRACES =											 0x0367,
	CMD_SIMULATE_HITAG_S =												 0x0368,
	CMD_READ_HITAG_S =													 0x0373,
	CMD_WR_HITAG_S =													 0x0375,
	CMD_EMU_HITAG_S =													 0x0376,
	
	CMD_SIMULATE_TAG_ISO_14443B =                                        0x0381,
	CMD_SNOOP_ISO_14443B =                                               0x0382,
	CMD_SNOOP_ISO_14443a =                                               0x0383,
	CMD_SIMULATE_TAG_ISO_14443a =                                        0x0384,
	CMD_READER_ISO_14443a =                                              0x0385,
	CMD_RAW_WRITER_LEGIC_RF =											 0x0386,
	CMD_SIMULATE_TAG_LEGIC_RF =                                          0x0387,
	CMD_READER_LEGIC_RF =                                                0x0388,
	CMD_WRITER_LEGIC_RF =                                                0x0389,
	
	CMD_EPA_PACE_COLLECT_NONCE =                                         0x038A,
	CMD_EPA_PACE_REPLAY =                                                0x038B,

	CMD_LEGIC_INFO =													 0x03BC,
	CMD_LEGIC_ESET =													 0x03BD,
	CMD_LEGIC_EGET =													 0x03BE,


	CMD_ICLASS_READCHECK =                                               0x038F,
	CMD_ICLASS_CLONE =                                                   0x0390,
	CMD_ICLASS_DUMP =                                                    0x0391,
	CMD_SNOOP_ICLASS =                                                   0x0392,
	CMD_SIMULATE_TAG_ICLASS =                                            0x0393,
	CMD_READER_ICLASS =                                                  0x0394,
	CMD_READER_ICLASS_REPLAY =											 0x0395,
	CMD_ICLASS_READBLOCK =                                               0x0396,
	CMD_ICLASS_WRITEBLOCK =                                              0x0397,
	CMD_ICLASS_EML_MEMSET =                                              0x0398,
	CMD_ICLASS_AUTHENTICATION =                                          0x0399,

	--// For measurements of the antenna tuning
	CMD_MEASURE_ANTENNA_TUNING =                                         0x0400,
	CMD_MEASURE_ANTENNA_TUNING_HF =                                      0x0401,
	CMD_MEASURED_ANTENNA_TUNING =                                        0x0410,
	CMD_LISTEN_READER_FIELD =                                            0x0420,

	--// For direct FPGA control
	CMD_FPGA_MAJOR_MODE_OFF =                                            0x0500,

	--// For mifare commands
	CMD_MIFARE_SET_DBGMODE =                                             0x0600,
	CMD_MIFARE_EML_MEMCLR =                                              0x0601,
	CMD_MIFARE_EML_MEMSET =                                              0x0602,
	CMD_MIFARE_EML_MEMGET =                                              0x0603,
	CMD_MIFARE_EML_CARDLOAD =                                            0x0604,
	
	--// magic chinese card commands
	CMD_MIFARE_CSETBLOCK =                                               0x0605,
	CMD_MIFARE_CGETBLOCK =                                               0x0606,
	CMD_MIFARE_CIDENT =                                                  0x0607,

	CMD_SIMULATE_MIFARE_CARD =                                           0x0610,

	CMD_READER_MIFARE =                                                  0x0611,
	CMD_MIFARE_NESTED =                                                  0x0612,
	CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES =                                0x0613,

	CMD_MIFARE_READBL =                                                  0x0620,
	CMD_MIFAREU_READBL =                                                 0x0720,
	
	CMD_MIFARE_READSC =                                                  0x0621,
	CMD_MIFAREU_READCARD =                                               0x0721,
	
	CMD_MIFARE_WRITEBL =                                                 0x0622,
	CMD_MIFAREU_WRITEBL =                                                0x0722,
	CMD_MIFAREU_WRITEBL_COMPAT =                                         0x0723,
	
	CMD_MIFARE_CHKKEYS =                                                 0x0623,

	CMD_MIFARE_SNIFFER =                                                 0x0630,

	--//ultralightC
	CMD_MIFAREUC_AUTH =                                                  0x0724,
	CMD_MIFAREUC_SETPWD =												 0x0727,
	CMD_MIFAREU_SETUID = 							                     0x0728,

	--// mifare desfire
	CMD_MIFARE_DESFIRE_READBL =                                          0x0728,
	CMD_MIFARE_DESFIRE_WRITEBL =                                         0x0729,
	CMD_MIFARE_DESFIRE_AUTH1 =                                           0x072a,
	CMD_MIFARE_DESFIRE_AUTH2 =                                           0x072b,
	CMD_MIFARE_DES_READER =                                              0x072c,
	CMD_MIFARE_DESFIRE_INFO =                                            0x072d,
	CMD_MIFARE_DESFIRE =                                                 0x072e,
    CMD_HF_SNIFFER =                                                     0x0800,	

	
	--// For EMV Commands
	CMD_EMV_READ_RECORD =                                                0x0700,
	CMD_EMV_TRANSACTION =                                                0x0701,
	CMD_EMV_CLONE =                                                      0x0702,
	CMD_EMV_SIM =                                                        0x0703,
	CMD_EMV_TEST =                                                       0x0704,
	CMD_EMV_FUZZ_RATS =                                                  0x0705,
	CMD_EMV_GET_RANDOM_NUM =                                             0x0706,
	CMD_EMV_LOAD_VALUE =                                                 0x0707,
	CMD_EMV_DUMP_CARD =                                                  0x0708,
	
	CMD_UNKNOWN =                                                        0xFFFF,
}


local _reverse_lookup,k,v = {}
for k, v in pairs(_commands) do
	_reverse_lookup[v] =  k
end
_commands.tostring = function(command)
	if(type(command) == 'number') then
		return ("%s (%d)"):format(_reverse_lookup[command]or "ERROR UNDEFINED!", command) 
	end
	return ("Error, numeric argument expected, got : %s"):format(tostring(command))
end

Command = {

	new = function(self, o)

		local o = o or {}   -- create object if user does not provide one
		setmetatable(o, self) -- DIY inheritance a'la javascript
		self.__index = self

		o.cmd = o.cmd or _commands.CMD_UNKNOWN
		o.arg1 = o.arg1 or 0
		o.arg2 = o.arg2 or 0
		o.arg3 = o.arg3 or 0 
		local data = o.data or "0"

		if(type(data) == 'string') then
			-- We need to check if it is correct length, otherwise pad it
			local len = string.len(data)
			if(len < 1024) then  
				--Should be 1024 hex characters to represent 512 bytes of data 
				data = data .. string.rep("0",1024 - len ) 
			end
			if(len > 1024) then
				-- OOps, a bit too much data here
				print( ( "WARNING: data size too large, was %s chars, will be truncated "):format(len) )
				--
				data = data:sub(1,1024)
			end
		else 
			print(("WARNING; data was NOT a (hex-) string, but was %s"):format(type(data)))
		end
		o.data = data	
		return o
	end,
	parse = function(packet)
		local count, cmd, arg1, arg2, arg3, data = bin.unpack('LLLLH511', packet)
		return Command:new{cmd = cmd, arg1 = arg1, arg2 = arg2, arg3 = arg3, data = data}
	end

}
function Command:__tostring()
	local output = ("%s\r\nargs : (%s, %s, %s)\r\ndata:\r\n%s\r\n"):format(
		_commands.tostring(self.cmd),
		tostring(self.arg1),
	 	tostring(self.arg2),
	 	tostring(self.arg3),
	 	tostring(self.data))
	return output
end
function Command:getBytes()
	--If a hex-string has been used
	local data  = self.data
	local cmd = self.cmd 
	local arg1, arg2, arg3 = self.arg1, self.arg2, self.arg3
	return bin.pack("LLLLH", cmd, arg1, arg2, arg3, data);
end
return _commands
Commit	Line	Data
21452811	1	--[[
	2	These are command definitions. This file should correspond exactly to usb_cmd.h.
	3	--]]
	4	--// For the bootloader
	5	local _commands = {
	6	CMD_DEVICE_INFO = 0x0000,
	7	CMD_SETUP_WRITE = 0x0001,
	8	CMD_FINISH_WRITE = 0x0003,
	9	CMD_HARDWARE_RESET = 0x0004,
	10	CMD_START_FLASH = 0x0005,
	11	CMD_NACK = 0x00fe,
	12	CMD_ACK = 0x00ff,
	13
	14	--// For general mucking around
	15	CMD_DEBUG_PRINT_STRING = 0x0100,
	16	CMD_DEBUG_PRINT_INTEGERS = 0x0101,
	17	CMD_DEBUG_PRINT_BYTES = 0x0102,
	18	CMD_LCD_RESET = 0x0103,
	19	CMD_LCD = 0x0104,
	20	CMD_BUFF_CLEAR = 0x0105,
	21	CMD_READ_MEM = 0x0106,
	22	CMD_VERSION = 0x0107,
7838f4be	23	CMD_STATUS = 0x0108,
7838f4be	24	CMD_PING = 0x0109,
aaa1a9a2	25	CMD_DOWNLOAD_EML_BIGBUF = 0x0110,
	26	CMD_DOWNLOADED_EML_BIGBUF = 0x0111,
	27
21452811	28	--// For low-frequency tags
	29	CMD_READ_TI_TYPE = 0x0202,
	30	CMD_WRITE_TI_TYPE = 0x0203,
	31	CMD_DOWNLOADED_RAW_BITS_TI_TYPE = 0x0204,
	32	CMD_ACQUIRE_RAW_ADC_SAMPLES_125K = 0x0205,
	33	CMD_MOD_THEN_ACQUIRE_RAW_ADC_SAMPLES_125K = 0x0206,
	34	CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K = 0x0207,
	35	CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K = 0x0208,
	36	CMD_DOWNLOADED_SIM_SAMPLES_125K = 0x0209,
	37	CMD_SIMULATE_TAG_125K = 0x020A,
	38	CMD_HID_DEMOD_FSK = 0x020B,
	39	CMD_HID_SIM_TAG = 0x020C,
	40	CMD_SET_LF_DIVISOR = 0x020D,
	41	CMD_LF_SIMULATE_BIDIR = 0x020E,
	42	CMD_SET_ADC_MUX = 0x020F,
	43	CMD_HID_CLONE_TAG = 0x0210,
	44	CMD_EM410X_WRITE_TAG = 0x0211,
	45	CMD_INDALA_CLONE_TAG = 0x0212,
	46	--// for 224 bits UID
	47	CMD_INDALA_CLONE_TAG_L = 0x0213,
	48	CMD_T55XX_READ_BLOCK = 0x0214,
	49	CMD_T55XX_WRITE_BLOCK = 0x0215,
94422fa2	50	CMD_T55XX_RESET_READ = 0x0216,
21452811	51	CMD_PCF7931_READ = 0x0217,
f3cfe428	52	CMD_PCF7931_WRITE = 0x0223,
21452811	53	CMD_EM4X_READ_WORD = 0x0218,
21452811	54	CMD_EM4X_WRITE_WORD = 0x0219,
b1329a02	55	CMD_IO_DEMOD_FSK = 0x021A,
abd6112f	56	CMD_IO_CLONE_TAG = 0x021B,
	57	CMD_EM410X_DEMOD = 0x021c,
	58	CMD_SET_LF_SAMPLING_CONFIG = 0x021d,
	59	CMD_FSK_SIM_TAG = 0x021E,
	60	CMD_ASK_SIM_TAG = 0x021F,
872e3d4d	61	CMD_PSK_SIM_TAG = 0x0220,
db25599d	62	CMD_AWID_DEMOD_FSK = 0x0221,
0de8e387	63	CMD_VIKING_CLONE_TAG = 0x0222,
9276e859	64	CMD_T55XX_WAKEUP = 0x0224,
4653da43	65	CMD_COTAG = 0x0225,
0de8e387	66
21452811	67	--/* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */
	68
	69	--// For the 13.56 MHz tags
	70	CMD_ACQUIRE_RAW_ADC_SAMPLES_ISO_15693 = 0x0300,
6fc68747	71	CMD_READ_SRI_TAG = 0x0303,
14e18625	72	CMD_ISO_14443B_COMMAND = 0x0305,
21452811	73	CMD_READER_ISO_15693 = 0x0310,
	74	CMD_SIMTAG_ISO_15693 = 0x0311,
	75	CMD_RECORD_RAW_ADC_SAMPLES_ISO_15693 = 0x0312,
	76	CMD_ISO_15693_COMMAND = 0x0313,
	77	CMD_ISO_15693_COMMAND_DONE = 0x0314,
	78	CMD_ISO_15693_FIND_AFI = 0x0315,
	79	CMD_ISO_15693_DEBUG = 0x0316,
b1329a02	80	CMD_LF_SNOOP_RAW_ADC_SAMPLES = 0x0317,
21452811	81
	82	--// For Hitag2 transponders
	83	CMD_SNOOP_HITAG = 0x0370,
	84	CMD_SIMULATE_HITAG = 0x0371,
	85	CMD_READER_HITAG = 0x0372,
	86
0db11b71	87	--// For HitagS
	88	CMD_TEST_HITAGS_TRACES = 0x0367,
	89	CMD_SIMULATE_HITAG_S = 0x0368,
	90	CMD_READ_HITAG_S = 0x0373,
	91	CMD_WR_HITAG_S = 0x0375,
	92	CMD_EMU_HITAG_S = 0x0376,
	93
22e24700	94	CMD_SIMULATE_TAG_ISO_14443B = 0x0381,
22e24700	95	CMD_SNOOP_ISO_14443B = 0x0382,
21452811	96	CMD_SNOOP_ISO_14443a = 0x0383,
	97	CMD_SIMULATE_TAG_ISO_14443a = 0x0384,
	98	CMD_READER_ISO_14443a = 0x0385,
83dad64b	99	CMD_RAW_WRITER_LEGIC_RF = 0x0386,
21452811	100	CMD_SIMULATE_TAG_LEGIC_RF = 0x0387,
	101	CMD_READER_LEGIC_RF = 0x0388,
	102	CMD_WRITER_LEGIC_RF = 0x0389,
3e750be3	103
21452811	104	CMD_EPA_PACE_COLLECT_NONCE = 0x038A,
d0f3338e	105	CMD_EPA_PACE_REPLAY = 0x038B,
21452811	106
3e750be3	107	CMD_LEGIC_INFO = 0x03BC,
0e8cabed	108	CMD_LEGIC_ESET = 0x03BD,
	109	CMD_LEGIC_EGET = 0x03BE,
	110
	111
e98572a1	112	CMD_ICLASS_READCHECK = 0x038F,
	113	CMD_ICLASS_CLONE = 0x0390,
	114	CMD_ICLASS_DUMP = 0x0391,
21452811	115	CMD_SNOOP_ICLASS = 0x0392,
	116	CMD_SIMULATE_TAG_ICLASS = 0x0393,
	117	CMD_READER_ICLASS = 0x0394,
b1329a02	118	CMD_READER_ICLASS_REPLAY = 0x0395,
e98572a1	119	CMD_ICLASS_READBLOCK = 0x0396,
	120	CMD_ICLASS_WRITEBLOCK = 0x0397,
	121	CMD_ICLASS_EML_MEMSET = 0x0398,
	122	CMD_ICLASS_AUTHENTICATION = 0x0399,
21452811	123
	124	--// For measurements of the antenna tuning
	125	CMD_MEASURE_ANTENNA_TUNING = 0x0400,
	126	CMD_MEASURE_ANTENNA_TUNING_HF = 0x0401,
	127	CMD_MEASURED_ANTENNA_TUNING = 0x0410,
	128	CMD_LISTEN_READER_FIELD = 0x0420,
	129
	130	--// For direct FPGA control
	131	CMD_FPGA_MAJOR_MODE_OFF = 0x0500,
	132
	133	--// For mifare commands
	134	CMD_MIFARE_SET_DBGMODE = 0x0600,
	135	CMD_MIFARE_EML_MEMCLR = 0x0601,
	136	CMD_MIFARE_EML_MEMSET = 0x0602,
	137	CMD_MIFARE_EML_MEMGET = 0x0603,
	138	CMD_MIFARE_EML_CARDLOAD = 0x0604,
b1329a02	139
	140	--// magic chinese card commands
	141	CMD_MIFARE_CSETBLOCK = 0x0605,
	142	CMD_MIFARE_CGETBLOCK = 0x0606,
	143	CMD_MIFARE_CIDENT = 0x0607,
21452811	144
	145	CMD_SIMULATE_MIFARE_CARD = 0x0610,
	146
	147	CMD_READER_MIFARE = 0x0611,
	148	CMD_MIFARE_NESTED = 0x0612,
c188b1b9	149	CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES = 0x0613,
21452811	150
21452811	151	CMD_MIFARE_READBL = 0x0620,
b1329a02	152	CMD_MIFAREU_READBL = 0x0720,
b1329a02	153
21452811	154	CMD_MIFARE_READSC = 0x0621,
b1329a02	155	CMD_MIFAREU_READCARD = 0x0721,
b1329a02	156
21452811	157	CMD_MIFARE_WRITEBL = 0x0622,
b1329a02	158	CMD_MIFAREU_WRITEBL = 0x0722,
	159	CMD_MIFAREU_WRITEBL_COMPAT = 0x0723,
	160
21452811	161	CMD_MIFARE_CHKKEYS = 0x0623,
	162
	163	CMD_MIFARE_SNIFFER = 0x0630,
	164
b1329a02	165	--//ultralightC
e7e95088	166	CMD_MIFAREUC_AUTH = 0x0724,
aa60d156	167	CMD_MIFAREUC_SETPWD = 0x0727,
aa60d156	168	CMD_MIFAREU_SETUID = 0x0728,
b1329a02	169
	170	--// mifare desfire
	171	CMD_MIFARE_DESFIRE_READBL = 0x0728,
	172	CMD_MIFARE_DESFIRE_WRITEBL = 0x0729,
	173	CMD_MIFARE_DESFIRE_AUTH1 = 0x072a,
	174	CMD_MIFARE_DESFIRE_AUTH2 = 0x072b,
	175	CMD_MIFARE_DES_READER = 0x072c,
	176	CMD_MIFARE_DESFIRE_INFO = 0x072d,
	177	CMD_MIFARE_DESFIRE = 0x072e,
1d0ccbe0	178	CMD_HF_SNIFFER = 0x0800,
1d0ccbe0	179
83dad64b	180
	181	--// For EMV Commands
	182	CMD_EMV_READ_RECORD = 0x0700,
	183	CMD_EMV_TRANSACTION = 0x0701,
	184	CMD_EMV_CLONE = 0x0702,
	185	CMD_EMV_SIM = 0x0703,
	186	CMD_EMV_TEST = 0x0704,
	187	CMD_EMV_FUZZ_RATS = 0x0705,
	188	CMD_EMV_GET_RANDOM_NUM = 0x0706,
	189	CMD_EMV_LOAD_VALUE = 0x0707,
	190	CMD_EMV_DUMP_CARD = 0x0708,
	191
21452811	192	CMD_UNKNOWN = 0xFFFF,
	193	}
	194
	195
	196	local _reverse_lookup,k,v = {}
f62b5e12	197	for k, v in pairs(_commands) do
	198	_reverse_lookup[v] = k
	199	end
	200	_commands.tostring = function(command)
21452811	201	if(type(command) == 'number') then
	202	return ("%s (%d)"):format(_reverse_lookup[command]or "ERROR UNDEFINED!", command)
	203	end
	204	return ("Error, numeric argument expected, got : %s"):format(tostring(command))
	205	end
	206
	207	Command = {
	208
	209	new = function(self, o)
	210
	211	local o = o or {} -- create object if user does not provide one
	212	setmetatable(o, self) -- DIY inheritance a'la javascript
	213	self.__index = self
	214
	215	o.cmd = o.cmd or _commands.CMD_UNKNOWN
21452811	216	o.arg1 = o.arg1 or 0
	217	o.arg2 = o.arg2 or 0
	218	o.arg3 = o.arg3 or 0
	219	local data = o.data or "0"
	220
	221	if(type(data) == 'string') then
	222	-- We need to check if it is correct length, otherwise pad it
	223	local len = string.len(data)
	224	if(len < 1024) then
	225	--Should be 1024 hex characters to represent 512 bytes of data
	226	data = data .. string.rep("0",1024 - len )
	227	end
	228	if(len > 1024) then
	229	-- OOps, a bit too much data here
	230	print( ( "WARNING: data size too large, was %s chars, will be truncated "):format(len) )
	231	--
	232	data = data:sub(1,1024)
	233	end
	234	else
	235	print(("WARNING; data was NOT a (hex-) string, but was %s"):format(type(data)))
	236	end
f62b5e12	237	o.data = data
21452811	238	return o
21452811	239	end,
f62b5e12	240	parse = function(packet)
0de8e387	241	local count, cmd, arg1, arg2, arg3, data = bin.unpack('LLLLH511', packet)
4df3eb3f	242	return Command:new{cmd = cmd, arg1 = arg1, arg2 = arg2, arg3 = arg3, data = data}
f62b5e12	243	end
f62b5e12	244
21452811	245	}
	246	function Command:__tostring()
	247	local output = ("%s\r\nargs : (%s, %s, %s)\r\ndata:\r\n%s\r\n"):format(
	248	_commands.tostring(self.cmd),
	249	tostring(self.arg1),
	250	tostring(self.arg2),
	251	tostring(self.arg3),
	252	tostring(self.data))
	253	return output
	254	end
	255	function Command:getBytes()
	256	--If a hex-string has been used
	257	local data = self.data
	258	local cmd = self.cmd
	259	local arg1, arg2, arg3 = self.arg1, self.arg2, self.arg3
6fc68747	260	return bin.pack("LLLLH", cmd, arg1, arg2, arg3, data);
21452811	261	end
abd6112f	262	return _commands