zoom auto mode

Visca.js

@@ -5,6 +5,7 @@
 // var valuesPath = local.values;
 
 var ZoomPos = script.addFloatParameter("Zoom Position", "", 0., 0., 1.);
+var ZoomPosLastUpdate = script.addFloatParameter("Zoom update", "", 0.);
 
 // var state = 
 var inquiry = ['CAM_ZoomPosInq', 'CAM_FocusModeInq', 'CAM_FocusPosInq'];
@@ -12,7 +13,11 @@ var camID = 1;
 var waitTaskComplete = 0 ;
 var currentInquiry = '';
 
-///////////		HELPERS FUNCTIONS	 ////////////////
+var ZoomAuto  = false ;
+var ZoomPos_target ;
+var ZoomTime_target ;
+
+////////////////////////		HELPERS FUNCTIONS	 ////////////////////////////
 
 function printArray(name, array){
 	var printHeader = ' '+name+' : ';
@@ -20,7 +25,9 @@ function printArray(name, array){
 	script.log(printHeader);
 }
 
-///////////		VISCA FUNCTIONS	 ////////////////
+
+
+////////////////////////		VISCA FUNCTIONS	 ////////////////////////////////
 
 function setZoomPos(ID, position){
 	var header = [1, 4, 71];
@@ -37,15 +44,19 @@ function setZoomPos(ID, position){
 	
 	sendHeaderCommand(camID, header, posCmd);
 }
+
 function setZoomSpeed(ID, speed){
 	var header = [1, 4, 7];
 
 	var speedCmd = speed < 0 ?  48 : 32;
+	
+	speedCmd += Math.abs(speed)-1;
 	speedCmd = speed == 0 ? 0 : speedCmd ;
-	speedCmd += Math.abs(speed);
 	sendHeaderCommand(camID, header, speedCmd);
 }
 
+
+
 function sendInquiry(id, inquiryName){
 	var command ;
 	if (currentInquiry == ''){ //no inquiry running;
@@ -61,15 +72,15 @@ function sendInquiry(id, inquiryName){
 function sendCommand(id, command){
 	var idHex = (parseInt("0x80") + id);
 
-	printArray('command', command);
+	// printArray('command', command);
 	local.sendBytes(idHex, command, 255);
 }
 
 function sendHeaderCommand(id, header, command){
 	if (!waitTaskComplete){
 		var idHex = (parseInt("0x80") + id);
-		printArray('header', header);
-		printArray('command', command);
+		// printArray('header', header);
+		// printArray('command', command);
 		local.sendBytes(idHex, header, command, 255);
 		waitTaskComplete = 1;
 	}
@@ -77,22 +88,90 @@ function sendHeaderCommand(id, header, command){
 	
 }
 
-///////////		SCRIPT FUNCTIONS	 ////////////////
+
+
+
+////////////////////////		ZOOM AUTOMATION	 ////////////////////////////////
+
+
+function setZoomPositionInTime(ID, position, time){
+	
+	//update zoom position and time targets
+	ZoomPos_target = position ;
+	ZoomTime_target = util.getTime()+time;
+
+	//activate callback
+	ZoomAuto = true ;
+
+	//deduce appropriate speed
+	// var speedCmd = speed < 0 ?  48 : 32;
+	// speedCmd = speed == 0 ? 0 : speedCmd ;
+	// speedCmd += Math.abs(speed);
+	// sendHeaderCommand(camID, header, speedCmd);
+}
+
+function updateZoomPosition() {
+	
+	if (ZoomAuto){		
+		//update position
+		sendInquiry(1, 'CAM_ZoomPosInq');
+		
+		//update speed if needed
+		var lastUpdated = util.getTime()-ZoomPosLastUpdate.get();
+		// script.log(lastUpdated);
+		if(lastUpdated<0.5){
+			//compute remaining time
+			var remainTime = ZoomTime_target - util.getTime();
+			if(remainTime > 0){
+				var remainLength = (ZoomPos_target - ZoomPos.get()) * 100;
+				var rawSpeed = remainLength / remainTime ;
+				
+				var absSpeed = Math.abs(rawSpeed);
+				var realSpeed = -0.00221 * Math.pow(absSpeed,2) + 0.30898 * absSpeed ;
+				var direction = rawSpeed > 0 ? 1 : -1;
+				realSpeed *= direction ;
+				realSpeed = Math.floor(realSpeed);
+				script.log(remainLength + '% in ' + remainTime + ' s : ' + realSpeed + ' / ' +rawSpeed );
+				setZoomSpeed(1, realSpeed);
+			}
+			else { 
+				ZoomAuto = false;
+				script.log('automation timeout');
+				//go to position
+				setZoomPos(1, ZoomPos_target);
+				sendInquiry(1, 'CAM_ZoomPosInq');
+			}
+		}
+	}	
+}
+
+ function computeSpeed(){
+	
+
+	// 0,151*PUISSANCE((A18+1);2) +3,0001717*(A18+1)+0,007557
+}
+
+
+
+
+///////////////////////		SCRIPT FUNCTIONS	 ///////////////////////////////
+
+
 
 function init() {
 	//loadFixtures();
 	script.log("VISCA module loaded");
-	script.setUpdateRate(100);
+	script.setUpdateRate(2);
 }
 
-function update(deltatTime){
-	if(!waitTaskComplete && (currentInquiry!=''))
-	{
-		sendInquiry(1, 'CAM_ZoomPosInq');
-	}
+function update(deltaTime){
+	updateZoomPosition();
+	computeSpeed();
+	// script.log('update');
 	
 }
 
+
 var buffer=[];
 var bufferIndex = 0 ;
 function dataReceived(data)
@@ -142,9 +221,10 @@ function dataReceived(data)
 				else if (buffer[1]==80){//0x50
 					if(currentInquiry == 'CAM_ZoomPosInq'){
 						var position = buffer[2]*4096 + buffer[3]*256 + buffer[4]*16 + buffer[5];
-						printArray("zoom position :", buffer);
-						script.log(position);
+						// printArray("zoom position :", buffer);
+						// script.log(position);
 						ZoomPos.set(position/16384.);
+						ZoomPosLastUpdate.set(util.getTime());
 					}
 					//free inquiry slot
 					currentInquiry = '';

module.json

@@ -104,9 +104,36 @@
 				"Speed" : {
 					"type": "Integer",
 					"default":0,
-					"min": -7,
+					"min": -8,
+					"max": 8,
+					"useForMapping": true
+				}
+			}
+		},
+		"ZoomPositionInTime": {
+			"menu": "",
+			"callback": "setZoomPositionInTime",
+			"parameters": {
+				"ID" : {
+					"type": "Integer",
+					"default":1,
+					"min": 1,
 					"max": 7,
 					"useForMapping": true
+				},
+				"Position" : {
+					"type": "Float",
+					"default":0,
+					"min": 0.,
+					"max": 1.,
+					"useForMapping": true
+				},
+				"Duration" : {
+					"type": "Float",
+					"default":0,
+					"min": 0.,
+					"max": 1000,
+					"useForMapping": true
 				}
 			}
 		}