**Javascript/Node.js** This GEMHost JavaScript example uses the code generated from TransSECS using the Java/Javascript deployment option. This is Node.js code. To install Node.js on Windows follow the instructions here: https://docs.microsoft.com/en-us/windows/nodejs/setup-on-windows Install Python: https://www.python.org/downloads/release/python-2716/ (this is required by "npm install") Download the node.js sample code from: www.ergotech.com/docs/nodejs.zip Unzip the sample into the "GEMHost" sample project. Build the GEMHost project in TransSECS. Start the StandAloneGEMTool by double-clicking the run.bat in that folder. In the nodejs folder run: npm install Once that completes successfully, to run the sample run: npm start As you interact with the StandAloneGEMTool - sending events and alarms and choosing responses to the host command - you should see various log messages output to the terminal. > node-java-gemhost@1.0.0 start C:\Users\Public\ErgoTech\TransSECSProgrammaticTrial\Projects\GEMHost\nodejs > node GEMHostExample.js at ip address localhostGEMHost connecting to tool on IP Address "localhost" and port 5010 and device id 1 GEMHost is running Event received: GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] Event Received GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] PPID "" VID Received GemVariable [name=WaferCount, id=1510] Host Command Message Status: Successful - No Error Host Command Successful 0 Event received: GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] Event Received GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] PPID "" VID Received GemVariable [name=WaferCount, id=1510] Host Command Message Status: Successful - No Error Host Command Successful 0 Host Command Message Status: Successful - No Error Host Command Successful 4 Host Command Message Status: Successful - No Error Host Command Failed 3 Reason [[??BADPARM, 1]] Event received: GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] VID Received GemVariable [name=WaferCount, id=1510] Event Received GemReportVariable [associatedIDs=[103], configured=false, name=LOADED, id=7503] PPID "" Event received: GemReportVariable [associatedIDs=[100], configured=false, name=STARTED, id=7501] VID Received GemVariable [name=WaferCount, id=1510] Host Command Message Status: Successful - No Error Host Command Failed 3 Reason [[??BADPARM, 1]] Event received: GemReportVariable [associatedIDs=[120], configured=false, name=COMPLETED, id=7502] VID Received GemVariable [name=WaferCount, id=1510] Host Command Message Status: Successful - No Error Host Command Failed 3 Reason [[??BADPARM, 1]] The sample code demonstrates all the important aspects of a host - listening for values, alarms, reports and events and sending messages - here the "START" host command. const java = require("java"); // Add our TransSECS runtime jar to the classpath java.classpath.push("../JAVA/GEMHostJavaScriptRuntime.jar") // Add current directory, so that log4j.xml is on the classpath to configure logging java.classpath.push(".") var host; /** * Configure, init, and start the host, and add listeners. */ function init() { //set environment so that we are not simulating java.import("com.ergotech.util.SimulationManager").getSimulationManagerSync().setSimulatingSync(false); //set up parameters for the tool connection let hostname = "localhost"; // eg "192.168.5.104" -- IP Address of the tool let portNumber = 5010; //tool's port number let deviceID = 1; //tool's device id // Connect to the tool, change parameter values here if needed host = java.newInstanceSync("deploy.GEMHost.EquipmentController"); host.setEquipmentHostNameSync(hostname); host.setActivePortSync(portNumber); host.setDeviceIdSync(deviceID); host.initSync(); host.startSync(); console.log(host.getControllerNameSync()+" connecting to tool on IP Address \"" +hostname+"\" and port " + portNumber + " and device id " + deviceID); // Add a listener for all events host.setGlobalEventListenerSync(java.newProxy("com.ergotech.transsecs.secs.host.EventListener", { eventReceived: function(ceid, eventReportValues) { console.log("Event received: " + ceid); } })); // The host wants to know when an alarm occurs. // Add a listener for all alarms host.addAlarmListener(java.newProxy("com.ergotech.transsecs.secs.host.AlarmListener", { alarmReceived: function(alarmValues) { console.log("Alarm Received " + alarmValues); } })); // Add a listener for a report configured in the TransSECS host. host.addReportListener(1001, java.newProxy("com.ergotech.transsecs.secs.host.ReportListener", { reportUpdated: function(report) { console.log("Report Received " + report.getVidValuesSync() ); } })); // Add a listener for an event configured in the transsecs host. host.addEventListener(7503, java.newProxy("com.ergotech.transsecs.secs.host.EventListener", { eventReceived: function(ceid, eventReportValues) { console.log("Event Received " + ceid ); console.log("PPID \"" + host.getGemHostModelSync().getVIDSync("PPID").getCurrentValueSync() + "\""); } })); // Add a listener for a particular vid configured in the transsecs host. host.addVidListener(1510, java.newProxy("com.ergotech.transsecs.secs.host.VidListener", { vidUpdated: function(value) { console.log("VID Received " + value ); } })); // Send an s1f3 once the connection is operational // Add a listener for the connection status host.addConnectionStatusListener(java.newProxy("com.ergotech.transsecs.secs.host.ConnectionStatusListener", { connectionStatusChanged: function(connectionStatus, comment) { // Check if the connection status is operational if (connectionStatus == 0) { let s1f3 = host.getMessageBeanSync("SVIDRequest"); s1f3.setSVIDSync(1516); let s1f3response = s1f3.sendMessageAndWaitSync(); console.log(s1f3response.getSVIDListSync().getSync(0).toString()); } } })); console.log("GEMHost is running "); } /** Send the host command to the tool. Sends the message and waits for a reply. */ function sendHostCommand() { try { let s2f41 = host.getMessageBeanSync("HostCommandSTART"); //change a command parameter value for testing s2f41.setPPIDSync("PPID"); //only one of the real CNAMES must be used here (if more than one CNAME in the message, you can use any one) // Generate a random int between 0-9 let randInt = Math.floor(Math.random() * 10); s2f41.setRecipeNameSync("REC"+randInt); let response = s2f41.sendMessageAndWaitSync(); const VIBMessageBean = java.import("com.ergotech.transsecs.secs.VIBMessageBean"); console.log("Host Command Message Status: " + responseStatus(s2f41.getDataSourceSync(VIBMessageBean.RESPONSE_STATUS_NAME).getIntValueSync())); if ( response != null && s2f41.getDataSourceSync(VIBMessageBean.RESPONSE_STATUS_NAME).getIntValueSync() == 0 ) { // successful response if ( response.getHCACKSync()[0] == 0 || response.getHCACKSync()[0] == 4 ) { console.log("Host Command Successful " + response.getHCACKSync()[0]); } else { console.log("Host Command Failed " + response.getHCACKSync()[0] + " Reason " + response.getReasonListSync()); } } } catch (e) { console.log("Error sending message " + e ); } } /** Return a string describing the response to the message. * * Possible responses are constants in SecsMsg * */ function responseStatus (responseCode ) { const SecsMsg = java.import("com.ergotech.secs.SecsMsg"); switch (responseCode ) { case SecsMsg.NO_ERROR: return "Successful - No Error"; // the message was sent and (if appropriate) the response was received. case SecsMsg.TIMEOUT_ERROR: return "Message Timed Out"; // no response to the message within T3 timeout case SecsMsg.S9_ERROR: return "S9 Message Reponse"; // the tool does not understand the primary and return an S9 message (probably S9F5 or S9F7) case SecsMsg.F0_ERROR: return "F0 Message Response"; // the tool return an SxF0 message. This usually means that the tool is offline or online local case SecsMsg.CANNOT_SEND: return "No Connection to Tool"; // there is no connection to the tool, the message cannot be sent. case SecsMsg.UNSOLICITED: return "Unsolicted Message"; // this is not a response, but a primary message received } return "Unknown"; } init(); // Keep the program running until stopped setInterval(sendHostCommand, 10000);