49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
|
#include <unistd.h>
|
||
|
|
#include <wiringPi.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#define MOTION_PIN 0
|
||
|
|
#define SECONDS_TO_OFF 30 //10*60
|
||
|
|
|
||
|
|
int pin_read = 0;
|
||
|
|
int state = 1;
|
||
|
|
int counter = 0;
|
||
|
|
|
||
|
|
int main(){
|
||
|
|
wiringPiSetup();
|
||
|
|
pinMode(MOTION_PIN, INPUT);
|
||
|
|
while(1){
|
||
|
|
pin_read = digitalRead(MOTION_PIN);
|
||
|
|
//printf("%d\n",pin_read);
|
||
|
|
|
||
|
|
while(state && !pin_read){
|
||
|
|
//printf("%d\n",counter);
|
||
|
|
counter += 1;
|
||
|
|
if(counter >= SECONDS_TO_OFF*2){
|
||
|
|
printf("Turning off\n");
|
||
|
|
system("tvservice -o");
|
||
|
|
state = 0;
|
||
|
|
}
|
||
|
|
usleep(500*1000);
|
||
|
|
pin_read = digitalRead(MOTION_PIN);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!state && pin_read){
|
||
|
|
printf("Turning on\n");
|
||
|
|
system("tvservice -p");
|
||
|
|
system("fbset -depth 8");
|
||
|
|
usleep(50*1000);
|
||
|
|
system("fbset -depth 16");
|
||
|
|
usleep(50*1000);
|
||
|
|
system("fbset -depth 24");
|
||
|
|
usleep(50*1000);
|
||
|
|
system("fbset -depth 32");
|
||
|
|
state = 1;
|
||
|
|
}
|
||
|
|
counter = 0;
|
||
|
|
usleep(500*1000);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|