Add stubb functionality for starting and stopping motor via hbridge

lib/intval/index.js

@@ -9,13 +9,46 @@ class Intval {
 		this._declarePins()
 	}
 	_declarePins () {
-		this._pin.four = gpio.export(4, {
+		this._pin.fwd = gpio.export(4, {
 			direction: 'out',
 			interval: 100,
 			ready : () => {
 				console.info(`Set pin 4 to OUTPUT`)
 			}
 		})
+		this._pin.bwd = gpio.export(5, {
+			direction: 'out',
+			interval: 100,
+			ready : () => {
+				console.info(`Set pin 5 to OUTPUT`)
+			}
+		})
+	}
+	_startFwd () {
+		this._pin.fwd.set(1)
+		this._pin.bwd.set(0)
+	}
+	_startBwd () {
+		this._pin.fwd.set(0)
+		this._pin.bwd.set(1)
+	}
+	frame (dir = true, time = 0, delay = 0) {
+		if (delay !== 0) {
+			setTimeout(function () {
+				if (dir) {
+					this._startFwd()
+				} else {
+					this._startBwd()
+				}
+				
+			}, delay)
+		} else {
+			if (dir) {
+				this._startFwd()
+			} else {
+				this._startBwd()
+			}
+		}
 	}
 	status () {
 		return {}