fix(Gpio): Reset timer on every change

ovaar · Dec 30, 2019 · 3f46355 · 3f46355
1 parent 9c3ee49
commit 3f46355
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 12 deletions.
diff --git a/src/gpio-proximity.ts b/src/gpio-proximity.ts
@@ -13,28 +13,25 @@ export default class SignalProximity extends EventEmitter {
     this.timer.elapsed = function() {
       console.log('timer elapsed')
     }
+    this._onGpioWatch(null, this.gpio.readSync())
     this.gpio.watch(this._onGpioWatch.bind(this))
   }
 
   private _onGpioWatch(err: Error | null | undefined, value: BinaryValue) {
-    try {
-      if (err) {
-        console.log(err)
-        throw err
-      }
-      console.log(`Watch = ${value}`)
-
-      this.timer.restart()
-    } catch (error) {
-      console.error(error)
+    if (err) {
+      console.error(err)
+      return
     }
+
+    this.timer.restart()
   }
 
   public start() {
     this.timer.start()
   }
 
   public stop() {
+    this.timer.stop()
     this.gpio.unexport()
   }
 }
diff --git a/src/index.ts b/src/index.ts
@@ -10,9 +10,9 @@ export namespace Proximity {
 
   bluetooth.start()
 
-  const gpio_4 = new Gpio(4, 'in', 'rising')
+  const gpio4 = new Gpio(4, 'in', 'both')
 
-  const signalProximity = new SignalProximity(gpio_4)
+  const signalProximity = new SignalProximity(gpio4)
   signalProximity.start()
 
   process.on('SIGINT', () => {