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4653da43 | 1 | //----------------------------------------------------------------------------- |
2 | // Authored by Iceman | |
3 | // | |
4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
5 | // at your option, any later version. See the LICENSE.txt file for the text of | |
6 | // the license. | |
7 | //----------------------------------------------------------------------------- | |
8 | // Low frequency COTAG commands | |
9 | //----------------------------------------------------------------------------- | |
10 | #include "cmdlfcotag.h" // COTAG function declarations | |
11 | ||
12 | static int CmdHelp(const char *Cmd); | |
13 | ||
5f5b83b7 | 14 | int usage_lf_cotag_read(void){ |
15 | PrintAndLog("Usage: lf COTAG read [h] <signaldata>"); | |
16 | PrintAndLog("Options:"); | |
17 | PrintAndLog(" h : This help"); | |
18 | PrintAndLog(" <0|1|2> : 0 - HIGH/LOW signal; maxlength bigbuff"); | |
19 | PrintAndLog(" : 1 - translation of HI/LO into bytes with manchester 0,1"); | |
20 | PrintAndLog(" : 2 - raw signal; maxlength bigbuff"); | |
21 | PrintAndLog(""); | |
22 | PrintAndLog("Sample:"); | |
23 | PrintAndLog(" lf cotag read 0"); | |
24 | PrintAndLog(" lf cotag read 1"); | |
25 | return 0; | |
26 | } | |
27 | int CmdCOTAGDemod(const char *Cmd) { | |
28 | return 0; | |
29 | } | |
4653da43 | 30 | |
5f5b83b7 | 31 | // When reading a COTAG. |
32 | // 0 = HIGH/LOW signal - maxlength bigbuff | |
33 | // 1 = translation for HI/LO into bytes with manchester 0,1 - length 300 | |
34 | // 2 = raw signal - maxlength bigbuff | |
35 | int CmdCOTAGRead(const char *Cmd) { | |
36 | ||
37 | if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_cotag_read(); | |
38 | ||
39 | uint8_t bits[320] = {0}; | |
40 | uint32_t rawsignal = 0; | |
41 | sscanf(Cmd, "%u", &rawsignal); | |
507afbf3 | 42 | |
5f5b83b7 | 43 | UsbCommand c = {CMD_COTAG, {rawsignal, 0, 0}}; |
4653da43 | 44 | clearCommandBuffer(); |
45 | SendCommand(&c); | |
5f5b83b7 | 46 | if ( !WaitForResponseTimeout(CMD_ACK, NULL, 7000) ) { |
bdf387c7 | 47 | PrintAndLog("command execution time out"); |
5f5b83b7 | 48 | return 1; |
b828a4e1 | 49 | } |
5f5b83b7 | 50 | |
51 | switch ( rawsignal ){ | |
52 | case 0: | |
53 | case 2: { | |
54 | CmdPlot(""); | |
55 | CmdGrid("384"); | |
56 | getSamples("", true); break; | |
57 | } | |
58 | case 1: { | |
59 | GetFromBigBuf(bits, sizeof(bits), 0); | |
60 | UsbCommand response; | |
61 | if ( !WaitForResponseTimeout(CMD_ACK, &response, 500) ) { | |
96b516e1 | 62 | if (g_debugMode) PrintAndLog("timeout while waiting for reply."); |
63 | return 1; | |
5f5b83b7 | 64 | } |
65 | ||
66 | size_t size = sizeof(bits); | |
67 | int err = manrawdecode(bits, &size, 1); | |
68 | if (err){ | |
96b516e1 | 69 | if (g_debugMode) PrintAndLog("DEBUG: Error - COTAG too many errors: %d", err); |
5f5b83b7 | 70 | return 0; |
71 | } | |
72 | PrintAndLog("%s", sprint_bin(bits, size)); | |
96b516e1 | 73 | setDemodBuf(bits, size, 0); |
5f5b83b7 | 74 | |
75 | // CmdCOTAGDemod(); | |
76 | break; | |
77 | } | |
78 | } | |
b828a4e1 | 79 | return 0; |
4653da43 | 80 | } |
81 | ||
82 | static command_t CommandTable[] = { | |
83 | {"help", CmdHelp, 1, "This help"}, | |
5f5b83b7 | 84 | {"demod", CmdCOTAGDemod, 1, "Tries to decode a COTAG signal"}, |
85 | {"read", CmdCOTAGRead, 0, "Attempt to read and extract tag data"}, | |
4653da43 | 86 | {NULL, NULL, 0, NULL} |
87 | }; | |
88 | ||
89 | int CmdLFCOTAG(const char *Cmd) { | |
90 | clearCommandBuffer(); | |
91 | CmdsParse(CommandTable, Cmd); | |
92 | return 0; | |
93 | } | |
94 | ||
95 | int CmdHelp(const char *Cmd) { | |
96 | CmdsHelp(CommandTable); | |
97 | return 0; | |
98 | } |