a553f267 |
1 | //----------------------------------------------------------------------------- |
2 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com> |
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 HID commands |
9 | //----------------------------------------------------------------------------- |
10 | |
7fe9b0b7 |
11 | #include <stdio.h> |
12 | #include "proxusb.h" |
13 | #include "ui.h" |
14 | #include "graph.h" |
15 | #include "cmdparser.h" |
16 | #include "cmdlfhid.h" |
17 | |
18 | static int CmdHelp(const char *Cmd); |
19 | |
20 | int CmdHIDDemod(const char *Cmd) |
21 | { |
22 | if (GraphTraceLen < 4800) { |
23 | PrintAndLog("too short; need at least 4800 samples"); |
24 | return 0; |
25 | } |
26 | |
27 | GraphTraceLen = 4800; |
28 | for (int i = 0; i < GraphTraceLen; ++i) { |
29 | if (GraphBuffer[i] < 0) { |
30 | GraphBuffer[i] = 0; |
31 | } else { |
32 | GraphBuffer[i] = 1; |
33 | } |
34 | } |
35 | RepaintGraphWindow(); |
36 | return 0; |
37 | } |
38 | |
39 | int CmdHIDDemodFSK(const char *Cmd) |
40 | { |
41 | UsbCommand c={CMD_HID_DEMOD_FSK}; |
42 | SendCommand(&c); |
43 | return 0; |
44 | } |
45 | |
46 | int CmdHIDSim(const char *Cmd) |
47 | { |
48 | unsigned int hi = 0, lo = 0; |
035303ac |
49 | int n = 0, i = 0; |
7fe9b0b7 |
50 | |
51 | while (sscanf(&Cmd[i++], "%1x", &n ) == 1) { |
52 | hi = (hi << 4) | (lo >> 28); |
53 | lo = (lo << 4) | (n & 0xf); |
54 | } |
55 | |
56 | PrintAndLog("Emulating tag with ID %x%16x", hi, lo); |
57 | |
58 | UsbCommand c = {CMD_HID_SIM_TAG, {hi, lo, 0}}; |
59 | SendCommand(&c); |
60 | return 0; |
61 | } |
62 | |
63 | static command_t CommandTable[] = |
64 | { |
65 | {"help", CmdHelp, 1, "This help"}, |
66 | {"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"}, |
67 | {"fskdemod", CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"}, |
68 | {"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"}, |
69 | {NULL, NULL, 0, NULL} |
70 | }; |
71 | |
72 | int CmdLFHID(const char *Cmd) |
73 | { |
74 | CmdsParse(CommandTable, Cmd); |
75 | return 0; |
76 | } |
77 | |
78 | int CmdHelp(const char *Cmd) |
79 | { |
80 | CmdsHelp(CommandTable); |
81 | return 0; |
82 | } |