mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-12-28 03:14:53 +08:00
80 lines
No EOL
3 KiB
C
80 lines
No EOL
3 KiB
C
/*
|
|
* Proxmark send and receive commands
|
|
*
|
|
* Copyright (c) 2012, Roel Verdult
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the copyright holders nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @file cmd.c
|
|
* @brief
|
|
*/
|
|
#include "cmd.h"
|
|
|
|
// (iceman 2017) this method is not used anymore. uart_win32 /uart_posix is used instead
|
|
bool cmd_receive(UsbCommand* cmd) {
|
|
|
|
// Check if there is a usb packet available
|
|
if (!usb_poll_validate_length()) return false;
|
|
|
|
// Try to retrieve the available command frame
|
|
size_t rxlen = usb_read((byte_t*)cmd, sizeof(UsbCommand));
|
|
|
|
// (iceman) this check is wrong. Since USB can send packages which is not sizeof(usbcommand) 544 bytes.
|
|
// hence, I comment it out
|
|
|
|
// Check if the transfer was complete
|
|
//if (rxlen != sizeof(UsbCommand)) return false;
|
|
// Received command successfully
|
|
//return true;
|
|
return (rxlen);
|
|
}
|
|
|
|
bool cmd_send(uint64_t cmd, uint64_t arg0, uint64_t arg1, uint64_t arg2, void* data, size_t len) {
|
|
|
|
UsbCommand txcmd;
|
|
|
|
// 0x00 the whole command.
|
|
for (size_t i=0; i < sizeof(UsbCommand); i++)
|
|
((byte_t*)&txcmd)[i] = 0x00;
|
|
|
|
// Compose the outgoing command frame
|
|
txcmd.cmd = cmd;
|
|
txcmd.arg[0] = arg0;
|
|
txcmd.arg[1] = arg1;
|
|
txcmd.arg[2] = arg2;
|
|
|
|
// Add the (optional) content to the frame, with a maximum size of USB_CMD_DATA_SIZE
|
|
if (data && len) {
|
|
len = MIN(len, USB_CMD_DATA_SIZE);
|
|
for (size_t i=0; i<len; i++) {
|
|
txcmd.d.asBytes[i] = ((byte_t*)data)[i];
|
|
}
|
|
}
|
|
|
|
// Send frame and make sure all bytes are transmitted
|
|
if ( usb_write( (byte_t*)&txcmd, sizeof(UsbCommand)) != 0)
|
|
return false;
|
|
|
|
return true;
|
|
} |