#include <sysinit.h>

#include "basic/basic.h"
#include "basic/config.h"

#define SAMPCT (4)
uint32_t light=150*SAMPCT;
char _isnight=1;

#define threshold GLOBAL(daytrig)
#define RANGE GLOBAL(daytrighyst)

void LightCheck(void){
    int iocon;
    char iodir;

    iocon=IOCON_PIO1_11;
    //LED3 is on pin 11
    iodir= (GPIO_GPIO1DIR & (1 << (11) ))?1:0;

    //gpioSetDir(RB_LED3, gpioDirection_Input);
    if (iodir == gpioDirection_Input) {
        IOCON_PIO1_11 = IOCON_PIO1_11_FUNC_AD7|IOCON_PIO1_11_ADMODE_ANALOG;
        light-=light/SAMPCT;
        light += (adcRead(7)/2);

        gpioSetDir(RB_LED3, iodir);
        IOCON_PIO1_11=iocon;

        if(_isnight && light/SAMPCT>(threshold+RANGE))
            _isnight=0;

        if(!_isnight && light/SAMPCT<threshold)
            _isnight=1;
    } else {
        _isnight=1;

    }
};

uint32_t GetLight(void){
    return light/SAMPCT;
};

char isNight(void){
    return _isnight;
};
