scale.h

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/*
 * scale.h
 *
 * Created: 01.12.2017 11:50:46
 *  Author: Robert Loos
 */ 


#ifndef SCALE_H_
#define SCALE_H_
#include <stdbool.h>

#define USE_GetAvg3 

#if defined(__DOXYGEN__) || defined(USE_GetAvg1)
#define MAXHIST 64          
#define MINHIST 8           
extern uint8_t histSize;    
#endif
#if defined(__DOXYGEN__) || defined(USE_GetAvg2)
#define MIN_AVG_WEIGHT  4   
#define MAX_AVG_WEIGHT  10  
extern uint8_t  avgFactor;  
#endif
#if defined(__DOXYGEN__) || defined(USE_GetAvg3)
#define NUM_COEFF 11    // number of filter coefficients
extern const int8_t coeff[];    
extern int32_t  weightHist[];   
#endif

typedef uint16_t    delay_t;    
typedef int32_t weight_t;   

extern weight_t sum128;
extern uint8_t  cnt128;

extern volatile uint8_t tickCnt,secCnt;
extern volatile uint8_t zeroWeightSecCnt;

extern uint8_t  hxCnt;
extern bool HXdisplayWeight;

extern volatile uint8_t tFlags;
extern volatile uint8_t eFlags;
static const uint8_t TFLAG_SEC=1;   
static const uint8_t EFLAG_UNCAL=1; 
static const uint8_t EFLAG_LOBAT=2; 

typedef enum
    {   SWITCH_NONE,    
        SWITCH_SHORT,   
        SWITCH_MED,     
        SWITCH_LONG,    
        SWITCH_DOUBLE,  
    } SWITCH_ACTION_t;
extern volatile SWITCH_ACTION_t switchAction;
static inline void  PowerOff(void)
{
    for (;;)
    {
        PORTD &= ~0b00100000;   // switch power off
    }
}

static inline void  PowerOn(void)
{
    PORTD |= 0b00100000;    // hold power on
}

extern void DelayMs(delay_t ms);
extern void Calibrate(void);

#endif /* SCALE_H_ */