Treat pacs lock as a digital input (instead of analog).

PACSPeripheral.cpp

@@ -42,28 +42,28 @@ void PACSPeripheral::initialize() {
  * We set them to inactive to avoid any issues if the pin 
  * is not actually connected to anything. 
  */ 
+
+ int initialLevel = ((activeLevel == HIGH) ? LOW : HIGH);
+ currentLevel = previousLevel = initialLevel;
+ levelChanged = false;
+
  switch (type) {
  case DOORMONITOR:
  case REX:
  pinMode(pin, OUTPUT);
- break;
-
+ digitalWrite(pin, initialLevel); 
+ break; 
+
  case GREENLED:
  case BEEPER:
- pinMode(pin, INPUT);
- break;
-
  case LOCK:
- pinMode(pin, INPUT); 
+ pinMode(pin, INPUT);
+ digitalWrite(pin, initialLevel); 
  break;
 
  default:
  break;
  }
- int initialLevel = ((activeLevel == HIGH) ? LOW : HIGH);
- digitalWrite(pin, initialLevel); 
- currentLevel = previousLevel = initialLevel;
- levelChanged = false;
 }
 
 /*
@@ -78,18 +78,10 @@ void PACSPeripheral::updateLevels() {
  case REX:
  case GREENLED:
  case BEEPER:
- currentLevel = digitalRead(pin);
- break;
  case LOCK: 
- voltage = (analogRead(pin) * (VOLTAGE_INPUT / 1023.0)); 
- if (voltage >= VOLTAGE_THRESHOLD_HIGH) {
- currentLevel = HIGH;
- }
- else if (voltage < VOLTAGE_THRESHOLD_LOW) {
- currentLevel = LOW;
- }
+ currentLevel = digitalRead(pin);
  break;
- 
+
  default:
  break;
  }

PACSPeripheral.h

@@ -21,10 +21,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
 #include <Arduino.h>
 
-#define VOLTAGE_INPUT 5.0f // What is the input voltage from lock. (Should be max 5V, otherwise we damage the hardware)
-#define VOLTAGE_THRESHOLD_HIGH 4.5f // At what value we regard the lock as being locked/unlocked.
-#define VOLTAGE_THRESHOLD_LOW 0.9f // At what value we regard the lock as being locked/unlocked.
-
 #define PERIPHERAL_ID_MAX_LENGTH 16 // The max number of characters for the ID.
 
 typedef enum {GREENLED, BEEPER, DOORMONITOR, REX, LOCK} PACSPeripheralType_t;