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https://github.com/gnss-sdr/gnss-sdr
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51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*!
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* \file bits.h
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* \author Fergus Noble <fergus@swift-nav.com>
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*
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* -------------------------------------------------------------------------
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* This file was originally borrowed from libswiftnav
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* <https://github.com/swift-nav/libswiftnav>,
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* a portable C library implementing GNSS related functions and algorithms,
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* and then modified by J. Arribas and C. Fernandez
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*
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* Copyright (C) 2013, 2016 Swift Navigation Inc.
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* Contact: Fergus Noble <fergus@swift-nav.com>
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* This file is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, version 3.
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Lesser Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSWIFTNAV_BITS_H
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#define LIBSWIFTNAV_BITS_H
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#include "swift_common.h"
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uint8_t parity(uint32_t x);
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uint32_t getbitu(const uint8_t *buff, uint32_t pos, uint8_t len);
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int32_t getbits(const uint8_t *buff, uint32_t pos, uint8_t len);
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void setbitu(uint8_t *buff, uint32_t pos, uint32_t len, uint32_t data);
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void setbits(uint8_t *buff, uint32_t pos, uint32_t len, int32_t data);
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void bitcopy(void *dst, uint32_t dst_index,
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const void *src, uint32_t src_index, uint32_t count);
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void bitshl(void *buf, uint32_t size, uint32_t shift);
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uint8_t count_bits_u64(uint64_t v, uint8_t bv);
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uint8_t count_bits_u32(uint32_t v, uint8_t bv);
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uint8_t count_bits_u16(uint16_t v, uint8_t bv);
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uint8_t count_bits_u8(uint8_t v, uint8_t bv);
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#endif /* LIBSWIFTNAV_BITS_H */
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