RPI : IR + ADC test

ir_adc_test.c

#include <stdio.h>
#include <wiringPi.h>
#include <pcf8591.h>
#include <math.h>
#define PCF 120

int main (void)
{
 int value0 ;
 int value1;
 
 wiringPiSetup () ;
 // Setup pcf8591 on base pin 120, and address 0x48
 pcf8591Setup (PCF, 0x48) ;
 while(1) // loop forever
 {
 value0 = analogRead (PCF + 0) ;
 value1 = analogRead (PCF + 1) ;

 printf("volt : %f , dist : %lf\n" , value0*3.3/256,pow((value0*3.3/256),-1.173)*29.988);
 
 //printf("A1 %d\n", value1);
 //analogWrite (PCF + 0, value) ;
 delay (100) ;
 }
 return 0 ;
}