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20 lines
621 B
C++
20 lines
621 B
C++
//-----------------------------------------------------------------------------
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// 2022 Ahoy, https://www.mikrocontroller.net/topic/525778
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// Creative Commons - http://creativecommons.org/licenses/by-nc-sa/3.0/de/
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//-----------------------------------------------------------------------------
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#ifndef __CRC_H__
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#define __CRC_H__
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#include <cstdint>
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#include "Arduino.h"
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#define CRC8_INIT 0x00
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#define CRC8_POLY 0x01
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#define CRC16_MODBUS_POLYNOM 0xA001
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uint8_t crc8(uint8_t buf[], uint8_t len);
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uint16_t crc16(uint8_t buf[], uint8_t len, uint16_t start = 0xffff);
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#endif /*__CRC_H__*/
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