BLEEddystoneTLM.h

/*
 * BLEEddystoneTLM.cpp
 *
 *  Created on: Mar 12, 2018
 *      Author: pcbreflux
 */

#ifndef _BLEEddystoneTLM_H_
#define _BLEEddystoneTLM_H_
#include "BLEUUID.h"

#define EDDYSTONE_TLM_FRAME_TYPE 0x20
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00)>>8) + (((x)&0xFF)<<8))
#define ENDIAN_CHANGE_U32(x) ((((x)&0xFF000000)>>24) + (((x)&0x00FF0000)>>8)) + ((((x)&0xFF00)<<8) + (((x)&0xFF)<<24))
#define EDDYSTONE_TEMP_U16_TO_FLOAT(tempU16)   (((int16_t)ENDIAN_CHANGE_U16(tempU16)) / 256.0f)
#define EDDYSTONE_TEMP_FLOAT_TO_U16(tempFloat) (ENDIAN_CHANGE_U16(((int)((tempFloat) * 256))))

/**
 * @brief Representation of a beacon.
 * See:
 * * https://github.com/google/eddystone
 */
class BLEEddystoneTLM {
public:
  BLEEddystoneTLM();
  std::string getData();
  BLEUUID   getUUID();
  uint8_t   getVersion();
  uint16_t  getVolt();
  float     getTemp();
  uint16_t  getRawTemp();
  uint32_t  getCount();
  uint32_t  getTime();
  std::string toString();
  void      setData(std::string data);
  void      setUUID(BLEUUID l_uuid);
  void      setVersion(uint8_t version);
  void      setVolt(uint16_t volt);
  void      setTemp(float temp);
  void      setCount(uint32_t advCount);
  void      setTime(uint32_t tmil);

private:
  uint16_t beaconUUID;
  struct {
    uint8_t frameType;
    uint8_t version;
    uint16_t volt;
    uint16_t temp;
    uint32_t advCount;
    uint32_t tmil;
  } __attribute__((packed)) m_eddystoneData;

}; // BLEEddystoneTLM

#endif /* _BLEEddystoneTLM_H_ */