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https://github.com/zephyrproject-rtos/zephyr
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4e48e87fd2
move crc.h to sys/crc.h and create a shim for backward-compatibility. No functional changes to the headers. A warning in the shim can be controlled with CONFIG_COMPAT_INCLUDES. Related to #16539 Signed-off-by: Anas Nashif <anas.nashif@intel.com>
20 lines
291 B
C
20 lines
291 B
C
/*
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* Copyright (c) 2018 Google LLC.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <sys/crc.h>
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u8_t crc7_be(u8_t seed, const u8_t *src, size_t len)
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{
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while (len--) {
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u8_t e = seed ^ *src++;
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u8_t f = e ^ (e >> 4) ^ (e >> 7);
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seed = (f << 1) ^ (f << 4);
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}
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return seed;
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}
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