added zoom functions

zoomspeed callback and zoom position inquiry

Visca.js

@@ -4,8 +4,13 @@
 // var parameterPath = local.parameters;
 // var valuesPath = local.values;
 
+var ZoomPos = script.addFloatParameter("Zoom Position", "", 0., 0., 1.);
+
 // var state = 
 var inquiry = ['CAM_ZoomPosInq', 'CAM_FocusModeInq', 'CAM_FocusPosInq'];
+var camID = 1;
+var waitTaskComplete = 0 ;
+var currentInquiry = '';
 
 ///////////		HELPERS FUNCTIONS	 ////////////////
 
@@ -17,27 +22,59 @@ function printArray(name, array){
 
 ///////////		VISCA FUNCTIONS	 ////////////////
 
-function setZoom(ID, position){
+function setZoomPos(ID, position){
 	var header = [1, 4, 71];
-	var posCommand =	[];
+	var posCmd =	[];
 	var pos = Math.round(Math.floor(16384 * position));
 	// script.log(pos);
-	posCommand[3]=pos%16;
+	posCmd[3]=pos%16;
 	pos = Math.round(Math.floor(pos/16));
-	posCommand[2]=pos%16;
+	posCmd[2]=pos%16;
 	pos=Math.round(Math.floor(pos/16));
-	posCommand[1]=pos%16;
-	posCommand[0]=Math.round(Math.floor(pos/16));
+	posCmd[1]=pos%16;
+	posCmd[0]=Math.round(Math.floor(pos/16));
 	// local.sendBytes(idHex, 1, 4, 71, posCommand, 255);
 	
-	sendCommand(1, header, posCommand);
+	sendHeaderCommand(camID, header, posCmd);
+}
+function setZoomSpeed(ID, speed){
+	var header = [1, 4, 7];
+
+	var speedCmd = speed < 0 ?  48 : 32;
+	speedCmd = speed == 0 ? 0 : speedCmd ;
+	speedCmd += Math.abs(speed);
+	sendHeaderCommand(camID, header, speedCmd);
+}
+
+function sendInquiry(id, inquiryName){
+	var command ;
+	if (currentInquiry == ''){ //no inquiry running;
+		currentInquiry = inquiryName ;
+		if(inquiryName == 'CAM_ZoomPosInq'){ command = [9, 4, 71];}
+
+		sendCommand(camID, command);
+	}
+	else{script.log("inquiry running");}
+
 }
 
-function sendCommand(id, header, command){
-	var idHex = (parseInt("0x80") + ID);
-	printArray('header', header);
+function sendCommand(id, command){
+	var idHex = (parseInt("0x80") + id);
+
 	printArray('command', command);
-	local.sendBytes(idHex, header, command, 255);
+	local.sendBytes(idHex, command, 255);
+}
+
+function sendHeaderCommand(id, header, command){
+	if (!waitTaskComplete){
+		var idHex = (parseInt("0x80") + id);
+		printArray('header', header);
+		printArray('command', command);
+		local.sendBytes(idHex, header, command, 255);
+		waitTaskComplete = 1;
+	}
+	else { script.log('task not complete');}
+	
 }
 
 ///////////		SCRIPT FUNCTIONS	 ////////////////
@@ -45,6 +82,15 @@ function sendCommand(id, header, command){
 function init() {
 	//loadFixtures();
 	script.log("VISCA module loaded");
+	script.setUpdateRate(100);
+}
+
+function update(deltatTime){
+	if(!waitTaskComplete && (currentInquiry!=''))
+	{
+		sendInquiry(1, 'CAM_ZoomPosInq');
+	}
+	
 }
 
 var buffer=[];
@@ -72,15 +118,16 @@ function dataReceived(data)
 		else{
 			if(buffer[0]==144){	//0x90, you've got a message
 				if (buffer[1]==65){script.log("received command");} //0x41
-				if (buffer[1]==81){script.log("complete command");} //0x51
-				if (buffer[1]==97){//0x61
+				else if (buffer[1]==81){script.log("complete command");waitTaskComplete=0;} //0x51
+				else if (buffer[1]==96){script.log("syntax error");} //0x60
+				else if (buffer[1]==97){//0x61
 					var msg = "error :";
 					if(buffer[2]==1){msg=msg+"message length";}
-					if(buffer[2]==2){msg=msg+"syntax";}
-					if(buffer[2]==3){msg=msg+"command buffer full";}
-					if(buffer[2]==4){msg=msg+"command cancelled";}
-					if(buffer[2]==5){msg=msg+"no socket";}
-					if(buffer[2]==65){msg=msg+"command not executable";}
+					else if(buffer[2]==2){msg=msg+"syntax";}
+					else if(buffer[2]==3){msg=msg+"command buffer full";}
+					else if(buffer[2]==4){msg=msg+"command cancelled";}
+					else if(buffer[2]==5){msg=msg+"no socket";}
+					else if(buffer[2]==65){msg=msg+"command not executable";}
 					else{
 							msg=msg+"unknow error";
 							for(var j=2; j < buffer.length; j++)
@@ -92,13 +139,17 @@ function dataReceived(data)
 				}
 
 				//inquiry answers
-				// if (buffer[1]==80){//0x50){
-				// 	switch(inquiry){
-				// 		case 'CAM_ZoomPosInq': 
-
-				// 	}
-				// }
-
+				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);
+						ZoomPos.set(position/16384.);
+					}
+					//free inquiry slot
+					currentInquiry = '';
+				}
+				else{printArray("unknown answer :", buffer);}
 			}
 			bufferIndex = 0;
 			buffer=[];

module.json

@@ -47,15 +47,38 @@
 	],
 	"values": {},
 	"commands": {
-		"ZoomAbsolute": {
+		"Inquiry": {
 			"menu": "",
-			"callback": "setZoom",
+			"callback": "sendInquiry",
 			"parameters": {
 				"ID" : {
 					"type": "Integer",
 					"default":1,
 					"min": 1,
-					"max": 255,
+					"max": 7,
+					"useForMapping": true
+				},
+				"Position" : {
+					"type":"Enum",
+					"options":
+					{
+						"CAM_ZoomPosInq":"CAM_ZoomPosInq",
+						"CAM_FocusModeInq":"CAM_FocusModeInq",
+						"CAM_FocusPosInq":"CAM_FocusPosInq",
+
+					}
+				}
+			}
+		},
+		"ZoomPosition": {
+			"menu": "",
+			"callback": "setZoomPos",
+			"parameters": {
+				"ID" : {
+					"type": "Integer",
+					"default":1,
+					"min": 1,
+					"max": 7,
 					"useForMapping": true
 				},
 				"Position" : {
@@ -66,6 +89,26 @@
 					"useForMapping": true
 				}
 			}
+		},
+		"ZoomSpeed": {
+			"menu": "",
+			"callback": "setZoomSpeed",
+			"parameters": {
+				"ID" : {
+					"type": "Integer",
+					"default":1,
+					"min": 1,
+					"max": 7,
+					"useForMapping": true
+				},
+				"Speed" : {
+					"type": "Integer",
+					"default":0,
+					"min": -7,
+					"max": 7,
+					"useForMapping": true
+				}
+			}
 		}
 	}
 }