crashtest-r0ket/firmware/basic/night.c

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#include <sysinit.h>
#include "basic/basic.h"
#define RANGE (10)
#define HYST (4)
uint32_t light=300*HYST;
char _isnight=1;
void LightCheck(void){
int iocon;
char iodir;
int value;
iocon=IOCON_PIO1_11;
// iodir=gpioGetDir(RB_LED3);
iodir= (GPIO_GPIO1DIR & (1 << (RB_LED3) ))?1:0;
gpioSetDir(RB_LED3, gpioDirection_Input);
IOCON_PIO1_11 = IOCON_PIO1_11_FUNC_AD7|IOCON_PIO1_11_ADMODE_ANALOG;
light-=light/HYST;
light += adcRead(7);
gpioSetDir(RB_LED3, iodir);
IOCON_PIO1_11=iocon;
static uint16_t threshold=0;
if(threshold==0){
// read threshold from config
threshold=320 * HYST;
};
if(_isnight && light>(threshold+RANGE*HYST))
_isnight=0;
if(!_isnight && light<threshold)
_isnight=1;
};
uint32_t GetLight(void){
return light/HYST;
};
char isNight(void){
return _isnight;
};