#define AJAR_PIN 14 // input pin for reed relais (door ajar/shut)
boolean ajar_last_state = false;
-boolean ajar_state_changed = false;
#define MANUAL_OPEN_PIN 12 // keys for manual open and close
#define MANUAL_CLOSE_PIN 13 //
//**********//
-void init_ajar()
+boolean get_ajar_status() // shut = true, ajar = false
{
- pinMode(AJAR_PIN, INPUT); // set pin to input
- digitalWrite(AJAR_PIN, HIGH); // turn on pullup resistors
- ajar_last_state = digitalRead(AJAR_PIN);
+ return (digitalRead(AJAR_PIN) == LOW);
}
-boolean get_ajar_status() // shut = true, ajar = false
+void init_ajar()
{
- if(digitalRead(AJAR_PIN))
- return false;
-
- return true;
+ pinMode(AJAR_PIN, INPUT); // set pin to input
+ digitalWrite(AJAR_PIN, HIGH); // turn on pullup resistors
+ ajar_last_state = get_ajar_status();
}
//**********//
// while running this gets called every ~10ms
ISR(TIMER2_COMPA_vect)
{
- boolean a = get_ajar_status();
- if(a != ajar_last_state)
- ajar_state_changed = true;
- ajar_last_state = a;
heartbeat_cnt++;
if(heartbeat_cnt == HEARTBEAT_DURATION)
heartbeat_off();
PORTD = LEDS_ON;
}
}
- if(ajar_state_changed) {
- ajar_state_changed = false;
+ boolean a = get_ajar_status();
+ if (a != ajar_last_state)
+ {
print_status();
+ ajar_last_state = a;
}
}