#ifndef __emeter
#define __emeter


enum {tx_off, tx_ch1, tx_ch2, tx_ch3, tx_temp, tx_dump, tx_energy, tx_cal, tx_values};
extern unsigned int TX_Mode;  // Transmit mode

enum {idle, measure, calibration, done, request_cal};
extern unsigned int OP_Mode;  // operation mode

extern unsigned int CalCyclCnt;     // Register for Cycle calculation of Calibration

extern unsigned int sys_status;   // System status bits
#define NewValues 0x01

// buffer to save RET values
extern unsigned int savedRET[(RET31_ - RET0_)/2];



/// Saves firmware version during initialization.
extern unsigned int firmware_version; 
/// Cumulated active energy.
extern float total_energy;
/// Last temperature measurement result.
extern unsigned int temperature;

extern unsigned int wfs1;
extern unsigned int wfs2;
extern unsigned int wfs3;

union tu_long_word{long l; unsigned int w[2];};
union ts_long_word{signed long l; unsigned int w[2];};
extern union tu_long_word energy;

union tu_ulong_word{unsigned int w[2]; unsigned long l;};
//extern union tu_ulong_word intlevel;

struct ts_parameters{
          float VRatio;
          float IRatio;
          float EnergyRatio;
          int pSET_PHASECORR1;
          int pSET_PHASECORR2;
          int pSET_V1OFFSET;
          int pSET_I1OFFSET;
          int pSET_I2OFFSET;
          unsigned int pSET_STARTCURR_INT;
          unsigned int pSET_STARTCURR_FRAC;
          union tu_ulong_word pSET_INTRPTLEVL;
          unsigned long pSET_TOGGLELEVEL;
          };
          
extern struct ts_parameters s_parameters;

#ifdef __IAR_SYSTEMS_ICC__
#if __VER__ < 200
#pragma memory=constseg(INFOA)
#else
#pragma constseg=INFOA
#endif
#endif

#ifdef __CROSSWORKS__
#pragma constseg("INFOA")
#endif
extern const struct ts_parameters s_parameters_flash;
#ifdef __IAR_SYSTEMS_ICC__
#if __VER__ < 200
#pragma memory=default
#else
#pragma constseg=default
#endif
#endif

#ifdef __CROSSWORKS__
#pragma dataseg(default)
#endif


// forward declarations
void init_system(void);
void init_analog_front_end(void);
void init_esp_parameter(unsigned char flashvars);
void start_measurement(void);
void start_calibration(void);


#endif /* __emeter */