basic module

based on serial module
has basic zoom control template with callback
has basic message parsing

Visca.js

@@ -0,0 +1,92 @@
+// var parameterPath = local.parameters;
+// var valuesPath = local.values;
+
+
+function init() {
+	//loadFixtures();
+	script.log("hello VISCA");
+}
+
+function setZoom(ID, position){
+
+	var idHex = (parseInt("0x80") + ID);
+
+
+	var pos = Math.round(4000 * position);
+	var posString = ""+pos;
+	var pad = "0000";
+	posString = pad.substring(0, pad.length - posString.length) + posString;
+	script.log(posString);
+	// script.log(posString.charAt(1));
+	var posCommand = [parseInt("0x0"+posString.charAt(0)),
+										parseInt("0x0"+posString.charAt(1)),
+										parseInt("0x0"+posString.charAt(2)),
+										parseInt("0x0"+posString.charAt(3))
+	];
+	// script.log(posCommand[0]);
+	// script.log(posCommand[1]);
+	// script.log(posCommand[2]);
+	// script.log(posCommand[3]);
+	// var packet = [idHex, , 00, 00, 00, 00, "ff"]
+	// local.send(String.fromCharCode.apply(null, posCommand));
+	// local.sendBytes(129, 1, 4, 7, 48, 255);
+	// local.send()
+	local.sendBytes(idHex, 1, 4, 71,
+										posCommand, 255);
+
+
+}
+
+var buffer=[];
+var bufferIndex = 0 ;
+function dataReceived(data)
+{
+	//If mode is "Lines", you can expect data to be a single line String
+	// script.log("Data received : " +data);
+
+	//If mode is anything else, you can expect data to be an array of bytes
+	// script.log(" Bytes received : "+data.length);
+	// for(var i=0; i < data.length; i++)
+	// {
+	// 	script.log(" > " + parseInt((""+data[i]),16));
+	// }
+
+	//fill buffer with bytes until you find a 255
+	for (var i = 0 ; i<data.length ; i++){
+		if (data[i]!=255){
+			buffer[bufferIndex]=data[i];
+			bufferIndex += 1;
+
+		}
+
+		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
+					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{
+							msg=msg+"unknow error";
+							for(var j=2; j < buffer.length; j++)
+							{
+								script.log(" > " +data[i]);
+							}
+						}
+						script.log(msg);
+					}
+
+			}
+			bufferIndex = 0;
+			buffer=[];
+		}
+
+	}
+	//then process buffer
+
+}

module.json

@@ -0,0 +1,71 @@
+{
+	"name": "Visca",
+	"type": "Serial",
+	"path": "LIEN",
+
+	"version": "0.0.1",
+	"description": "Visca protocol to control PTZ cameras",
+	"url": "https://gogs.madology.myds.me/Chataigne/Visca-Module-Chataigne",
+	"downloadURL": "",
+
+	"hasInput": true,
+	"hasOutput": true,
+
+	"hideDefaultCommands": false,
+
+	"hideDefaultParameters":
+	[
+		"protocol",
+		"messageStructure",
+		"firstValueIsTheName"
+
+	],
+
+	"defaults":
+	{
+		"protocol":"Raw",
+		"baudRate" : 9600
+
+	},
+
+	"parameters":
+	{
+
+		"Setup":{
+			"type": "Container",
+			"collapsed": true,
+
+			"Fixture Definition" : { "type": "File", "description": "Select json file with fixture definitions." , "alwaysNotify": true },
+			"Fixtures" : { "type": "File", "description": "Select json file with fixtures."},
+			"Load Fixtures": { "type": "Trigger", "description": "Load the fixture files and create parameters for lights"},
+			"Clear DMX": { "type": "Trigger", "description": "Set all DMX channels to 0"}
+		}
+	},
+
+	"scripts": [
+		"Visca.js"
+	],
+	"values": {},
+	"commands": {
+		"ZoomAbsolute": {
+			"menu": "",
+			"callback": "setZoom",
+			"parameters": {
+				"ID" : {
+					"type": "Integer",
+					"default":1,
+					"min": 1,
+					"max": 255,
+					"useForMapping": true
+				},
+				"Position" : {
+					"type": "Float",
+					"default":0.,
+					"min": 0.,
+					"max": 1.,
+					"useForMapping": true
+				}
+			}
+		}
+	}
+}