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60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/****************************************************************************
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*
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* Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file board_serial.h
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* Read off the board serial
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*
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* @author Lorenz Meier <lm@inf.ethz.ch>
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* @author David "Buzz" Bussenschutt <davidbuzz@gmail.com>
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*
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*/
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#include "otp.h"
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#include "board_config.h"
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#include "board_serial.h"
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int get_board_serial(char *serialid)
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{
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const volatile unsigned *udid_ptr = (const unsigned *)UDID_START;
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union udid id;
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val_read((unsigned *)&id, udid_ptr, sizeof(id));
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/* Copy the serial from the chips non-write memory and swap endianess */
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serialid[0] = id.data[3]; serialid[1] = id.data[2]; serialid[2] = id.data[1]; serialid[3] = id.data[0];
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serialid[4] = id.data[7]; serialid[5] = id.data[6]; serialid[6] = id.data[5]; serialid[7] = id.data[4];
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serialid[8] = id.data[11]; serialid[9] = id.data[10]; serialid[10] = id.data[9]; serialid[11] = id.data[8];
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return 0;
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} |