/**************************************************************************** * * Copyright (c) 2012-2014 PX4 Development Team. 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 PX4 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 AND CONTRIBUTORS * "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 OWNER OR CONTRIBUTORS 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 board_serial.h * Read off the board serial * * @author Lorenz Meier * @author David "Buzz" Bussenschutt * */ #include "otp.h" #include "board_config.h" #include "board_serial.h" int get_board_serial(char *serialid) { const volatile unsigned *udid_ptr = (const unsigned *)UDID_START; union udid id; val_read((unsigned *)&id, udid_ptr, sizeof(id)); /* Copy the serial from the chips non-write memory and swap endianess */ serialid[0] = id.data[3]; serialid[1] = id.data[2]; serialid[2] = id.data[1]; serialid[3] = id.data[0]; serialid[4] = id.data[7]; serialid[5] = id.data[6]; serialid[6] = id.data[5]; serialid[7] = id.data[4]; serialid[8] = id.data[11]; serialid[9] = id.data[10]; serialid[10] = id.data[9]; serialid[11] = id.data[8]; return 0; }