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#include <stdio.h> #include <wiringPi.h> #include <pcf8591.h> #define PCF 120 int main (void) { int value ; wiringPiSetup () ; // Setup pcf8591 on base pin 120, and address 0x48 pcf8591Setup (PCF, 0x48) ; while(1) // loop forever { value = analogRead (PCF + 3) ; printf("%d\n", value); analogWrite (PCF + 0, value) ; delay (10) ; } return 0 ; } |
