5bcc76c4 |
1 | /*\r |
2 | * Proxmark send and receive commands\r |
3 | *\r |
79a73ab2 |
4 | * Copyright (c) 2012, Roel Verdult\r |
5bcc76c4 |
5 | * All rights reserved.\r |
6 | *\r |
7 | * Redistribution and use in source and binary forms, with or without\r |
8 | * modification, are permitted provided that the following conditions are met:\r |
9 | * 1. Redistributions of source code must retain the above copyright\r |
10 | * notice, this list of conditions and the following disclaimer.\r |
11 | * 2. Redistributions in binary form must reproduce the above copyright\r |
12 | * notice, this list of conditions and the following disclaimer in the\r |
13 | * documentation and/or other materials provided with the distribution.\r |
14 | * 3. Neither the name of the copyright holders nor the\r |
15 | * names of its contributors may be used to endorse or promote products\r |
16 | * derived from this software without specific prior written permission.\r |
17 | *\r |
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY\r |
19 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\r |
20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\r |
21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY\r |
22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\r |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\r |
24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\r |
25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\r |
27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r |
28 | *\r |
29 | * @file cmd.c\r |
30 | * @brief\r |
31 | */\r |
32 | \r |
33 | #include "cmd.h"\r |
34 | #include "string.h"\r |
5bcc76c4 |
35 | #include "proxmark3.h"\r |
36 | \r |
5bcc76c4 |
37 | bool cmd_receive(UsbCommand* cmd) {\r |
38 | \r |
39 | // Check if there is a usb packet available\r |
40 | if (!usb_poll()) return false;\r |
41 | \r |
42 | // Try to retrieve the available command frame\r |
43 | size_t rxlen = usb_read((byte_t*)cmd,sizeof(UsbCommand));\r |
44 | \r |
45 | // Check if the transfer was complete\r |
46 | if (rxlen != sizeof(UsbCommand)) return false;\r |
47 | \r |
48 | // Received command successfully\r |
49 | return true;\r |
50 | }\r |
51 | \r |
79a73ab2 |
52 | bool cmd_send(uint32_t cmd, uint32_t arg0, uint32_t arg1, uint32_t arg2, void* data, size_t len) {\r |
5bcc76c4 |
53 | UsbCommand txcmd;\r |
54 | \r |
28fdb04f |
55 | for (size_t i=0; i<sizeof(UsbCommand); i++) {\r |
56 | ((byte_t*)&txcmd)[i] = 0x00;\r |
57 | }\r |
58 | \r |
5bcc76c4 |
59 | // Compose the outgoing command frame\r |
60 | txcmd.cmd = cmd;\r |
61 | txcmd.arg[0] = arg0;\r |
9440213d |
62 | txcmd.arg[1] = arg1; \r |
5bcc76c4 |
63 | txcmd.arg[2] = arg2;\r |
64 | \r |
65 | // Add the (optional) content to the frame, with a maximum size of USB_CMD_DATA_SIZE\r |
66 | if (data && len) {\r |
28fdb04f |
67 | len = MIN(len,USB_CMD_DATA_SIZE);\r |
68 | for (size_t i=0; i<len; i++) {\r |
69 | txcmd.d.asBytes[i] = ((byte_t*)data)[i];\r |
70 | }\r |
71 | }\r |
5bcc76c4 |
72 | \r |
73 | // Send frame and make sure all bytes are transmitted\r |
74 | if (usb_write((byte_t*)&txcmd,sizeof(UsbCommand)) != 0) return false;\r |
75 | \r |
76 | return true;\r |
77 | }\r |
78 | \r |
79 | \r |