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Vehicle Researcher
6adb63b915
date: 2026-06-04T09:49:56 master commit: c0ab3550eca2e9daf197c46b7e4b24aa9637cf2e
20 lines
362 B
C
20 lines
362 B
C
#pragma once
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uint8_t crc_checksum(const uint8_t *dat, int len, const uint8_t poly) {
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uint8_t crc = 0xFFU;
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int i;
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int j;
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for (i = len - 1; i >= 0; i--) {
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crc ^= dat[i];
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for (j = 0; j < 8; j++) {
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if ((crc & 0x80U) != 0U) {
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crc = (uint8_t)((crc << 1) ^ poly);
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}
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else {
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crc <<= 1;
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}
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}
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}
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return crc;
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}
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