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63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/**
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******************************************************************************
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*
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* @file ubx_utils.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2014.
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* @brief UBX Protocol utilities
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* --
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef UBX_UTILS_H_
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#define UBX_UTILS_H_
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct {
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uint8_t syn1;
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uint8_t syn2;
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uint8_t class;
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uint8_t id;
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uint16_t len;
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} __attribute__((packed)) UBXHeader_t;
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typedef struct {
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uint8_t chk1;
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uint8_t chk2;
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} __attribute__((packed)) UBXFooter_t;
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typedef union {
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uint8_t binarystream[0];
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struct {
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UBXHeader_t header;
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uint8_t payload[0];
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} packet;
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} UBXPacket_t;
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#define UBX_HEADER_LEN (sizeof(UBXHeader_t))
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#define UBX_SYN1 0xB5
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#define UBX_SYN2 0x62
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bool ubx_getLastSentence(uint8_t *data, uint16_t bufferCount, uint8_t * *lastSentence, uint16_t *lenght);
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void ubx_appendChecksum(UBXPacket_t *pkt);
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void ubx_buildPacket(UBXPacket_t *pkt, uint8_t packetClass, uint8_t packetId, uint16_t len);
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#endif /* UBX_UTILS_H_ */
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