Hello everyone, I need a function that can calculate CRC-8, but this is difficult for me, the C algorithm reference is as follows: unsigned char CRC8_Check(unsigned char *ptr,unsigned char len) { unsigned char crc; unsigned char i; unsigned char j; crc = 0; if(len>2) …

Here is a function version... const CRC8_LOOKUP = [ 0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15, 0x38, 0x3f, 0x36, 0x31, 0x24, 0x23, 0x2a, 0x2d, 0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65, 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d, 0xe0, 0xe7, 0xee, 0xe9, 0xfc, 0xfb, 0xf2, 0…

Steve-Mcl 3 January 2023 07:16 3

Also search this forum. E.g. Help on CRC-8 function - #9 by Steve-Mcl

Topic		Replies	Views
CRC-32 can't get the correct check sum - any help appreciated General	7	308	19 June 2023
How to calculate CRC-16 (Modbus)? General	7	1717	10 August 2021
How to Calculate CRC-16 (XModem)? General	37	4272	12 October 2021
Error in calculation function of crc-16 check code General	3	132	23 February 2023
Byte-wise CRC16 Calculations General	3	1566	28 October 2019

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

CRC-8 checksum function

Related Topics