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48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* This file is part of Cleanflight.
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*
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* Cleanflight 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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* Cleanflight is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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// simple buffer-based serializer/deserializer without implicit size check
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// little-endian encoding implemneted now
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typedef struct sbuf_s {
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uint8_t *ptr; // data pointer must be first (sbuff_t* is equivalent to uint8_t **)
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uint8_t *end;
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} sbuf_t;
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void sbufWriteU8(sbuf_t *dst, uint8_t val);
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void sbufWriteU16(sbuf_t *dst, uint16_t val);
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void sbufWriteU32(sbuf_t *dst, uint32_t val);
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void sbufWriteU16BigEndian(sbuf_t *dst, uint16_t val);
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void sbufWriteU32BigEndian(sbuf_t *dst, uint32_t val);
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void sbufWriteData(sbuf_t *dst, const void *data, int len);
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void sbufWriteString(sbuf_t *dst, const char *string);
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uint8_t sbufReadU8(sbuf_t *src);
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uint16_t sbufReadU16(sbuf_t *src);
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uint32_t sbufReadU32(sbuf_t *src);
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void sbufReadData(sbuf_t *dst, void *data, int len);
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int sbufBytesRemaining(sbuf_t *buf);
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uint8_t* sbufPtr(sbuf_t *buf);
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const uint8_t* sbufConstPtr(const sbuf_t *buf);
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void sbufAdvance(sbuf_t *buf, int size);
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void sbufSwitchToReader(sbuf_t *buf, uint8_t * base);
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