| | 1 | /*\r |
| | 2 | * Proxmark send and receive commands\r |
| | 3 | *\r |
| | 4 | * Copyright (c) 2012, Roel Verdult\r |
| | 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 |
| | 35 | #include "proxmark3.h"\r |
| | 36 | \r |
| | 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 |
| | 52 | bool cmd_send(uint32_t cmd, uint32_t arg0, uint32_t arg1, uint32_t arg2, void* data, size_t len) {\r |
| | 53 | UsbCommand txcmd;\r |
| | 54 | \r |
| | 55 | for (size_t i=0; i<sizeof(UsbCommand); i++) {\r |
| | 56 | ((byte_t*)&txcmd)[i] = 0x00;\r |
| | 57 | }\r |
| | 58 | \r |
| | 59 | // Compose the outgoing command frame\r |
| | 60 | txcmd.cmd = cmd;\r |
| | 61 | txcmd.arg[0] = arg0;\r |
| | 62 | txcmd.arg[1] = arg1; \r |
| | 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 |
| | 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 |
| | 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 |
projects / proxmark3-svn / blame_incremental