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100 lines
3.4 KiB
100 lines
3.4 KiB
/**************************************************************************** |
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* |
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* Copyright (C) 2017 PX4 Development Team. All rights reserved. |
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* Author: @author David Sidrane <david_s5@nscdg.com> |
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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_identity.c |
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* Implementation of Non Arch specific Board identity API |
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*/ |
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#include <px4_platform_common/px4_config.h> |
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#include <stdio.h> |
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#include <string.h> |
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#if defined(BOARD_OVERRIDE_UUID) || defined(BOARD_OVERRIDE_MFGUID) || defined(BOARD_OVERRIDE_PX4_GUID) |
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static const uint16_t soc_arch_id = PX4_SOC_ARCH_ID; |
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static const char board_uuid[17] = BOARD_OVERRIDE_UUID; |
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void board_get_uuid32(uuid_uint32_t uuid_words) |
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{ |
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unsigned int len = strlen(board_uuid); |
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if (len > PX4_CPU_UUID_BYTE_LENGTH) { |
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len = PX4_CPU_UUID_BYTE_LENGTH; |
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} |
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uint8_t *bp = (uint8_t *) uuid_words; |
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for (unsigned int i = 0; i < len; i++) { |
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*bp++ = board_uuid[i]; |
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} |
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for (unsigned int i = len; i < PX4_CPU_UUID_BYTE_LENGTH; i++) { |
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*bp++ = '0'; |
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} |
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} |
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int board_get_uuid32_formated(char *format_buffer, int size, |
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const char *format, |
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const char *seperator) |
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{ |
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uuid_uint32_t uuid; |
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board_get_uuid32(uuid); |
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int offset = 0; |
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int sep_size = seperator ? strlen(seperator) : 0; |
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for (unsigned i = 0; i < PX4_CPU_UUID_WORD32_LENGTH; i++) { |
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offset += snprintf(&format_buffer[offset], size - offset, format, uuid[i]); |
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if (sep_size && i < PX4_CPU_UUID_WORD32_LENGTH - 1) { |
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strcat(&format_buffer[offset], seperator); |
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offset += sep_size; |
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} |
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} |
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return 0; |
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} |
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int board_get_mfguid_formated(char *format_buffer, int size) |
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{ |
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board_get_uuid32_formated(format_buffer, size, "%02x", NULL); |
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return strlen(format_buffer); |
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} |
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int board_get_px4_guid_formated(char *format_buffer, int size) |
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{ |
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int offset = snprintf(format_buffer, size, "%04x", soc_arch_id); |
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size -= offset; |
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return board_get_mfguid_formated(&format_buffer[offset], size); |
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} |
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#endif
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