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41 lines
1.7 KiB
41 lines
1.7 KiB
// Copyright (c) 2018 Brandenburg Tech, LLC
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// All rights reserved.
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//
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// This file is derived from LibMF, a library provided AXSEM AG. Based on the
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// context of the library and the provision of source code, it is assumed
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// the source code can be modified for specific applications of the AX5043.
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//
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// The documentation provides the following notice:
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// LibMF is available in source and binary form for SDCC, Keil C51 and IAR
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// ICC.
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//
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// THIS SOFTWARE IS PROVIDED BY BRANDENBURG TECH, LLC 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 FOR A
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// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BRANDENBURT TECH, LLC
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// AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The original files did not contain a copyright notice for AXSEM AG, but the
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// documentation contained the following notice.
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//
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// Copyright (c) 2011, 2012, 2013 AXSEM AG
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#ifndef CRC_H_
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#define CRC_H_
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#include <stdint.h>
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uint16_t crc_crc16(const uint8_t *buf, uint16_t buflen, uint16_t crc);
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uint16_t crc_crc16_byte(uint16_t crc, uint8_t c);
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uint16_t pn9_buffer(uint8_t *buf, uint16_t buflen, uint16_t pn9, uint8_t xor);
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uint16_t pn9_advance_bits(uint16_t pn9, uint16_t bits);
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uint16_t pn9_advance_byte(uint16_t pn9);
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#endif /* CRC_H_ */
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