CRC.h

#if !defined(_RADIOLIB_CRC_H)
#define _RADIOLIB_CRC_H
 
#include "../TypeDef.h"
#include "../Module.h"
 
// CCITT CRC properties (used by AX.25)
#define RADIOLIB_CRC_CCITT_POLY                                 (0x1021)
#define RADIOLIB_CRC_CCITT_INIT                                 (0xFFFF)
#define RADIOLIB_CRC_CCITT_OUT                                  (0xFFFF)
 
class RadioLibCRC {
  public:
    uint8_t size = 8;
 
    uint32_t poly = 0;
 
    uint32_t init = 0;
 
    uint32_t out = 0;
 
    bool refIn = false;
 
    bool refOut = false;
 
    RadioLibCRC();
 
    uint32_t checksum(const uint8_t* buff, size_t len);
};
 
// the global singleton
extern RadioLibCRC RadioLibCRCInstance;
 
#endif