src/lib/CRC/crc.h

   1 #pragma once
   2 #include <stdint.h>
   3 #include "targets.h"
   4
   5 #define crclen 256
   6
   7 class GENERIC_CRC8
   8 {
   9 private:
  10     uint8_t crc8tab[crclen];
  11     uint8_t crcpoly;
  12
  13 public:
  14     GENERIC_CRC8(uint8_t poly);
  15     uint8_t calc(const uint8_t data);
  16     uint8_t calc(const uint8_t *data, uint8_t len, uint8_t crc = 0);
  17 };
  18
  19 class GENERIC_CRC14
  20 {
  21 private:
  22     uint16_t crc14tab[crclen];
  23     uint16_t crcpoly;
  24
  25 public:
  26     GENERIC_CRC14(uint16_t poly);
  27     uint16_t calc(uint8_t *data, uint8_t len, uint16_t crc);
  28     uint16_t calc(volatile uint8_t *data, uint8_t len, uint16_t crc);
  29 };