104 lines
3.2 KiB
TypeScript
104 lines
3.2 KiB
TypeScript
import { Controller, Tag } from "st-ethernet-ip";
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import { createLog } from "../../../../logger/logger.js";
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import { labelerTagRead } from "./plcTags/labelerTag.js";
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import { palletSendTag } from "./plcTags/palletSendTag.js";
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import { strapperFaults } from "./plcTags/strapperFault.js";
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let PLC = new Controller();
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let isDycoRunning = false;
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// PLC address
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let plcAddress = "10.44.5.4";
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let isReading = false;
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// Initialize the interval variable outside the function
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let plcCycle: any;
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let plcInterval = 500;
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// Create Tag Instances
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const labelerTag: any = new Tag("labeler.line_info");
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const palletSend = new Tag("Zone_6.Ready_to_Send");
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const strapperError = new Tag("Zone_3.Strapper_Faulted");
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export const dycoConnect = async () => {
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// if we crash or start over reset the timers so we dont get duplicates
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clearInterval(plcCycle);
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if (isDycoRunning)
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return { success: false, message: "Dyco is already connected." };
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// Remove all listeners before adding a new one to prevent memory leaks
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PLC.removeAllListeners("error");
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try {
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await PLC.connect(plcAddress, 0).then(async () => {
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createLog("info", "dyco", "ocp", `We are connected to the dyco.`);
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isDycoRunning = true;
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plcCycle = setInterval(async () => {
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if (isReading) {
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createLog(
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"debug",
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"dyco",
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"ocp",
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"Skipping cycle: previous read still in progress."
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);
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return;
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}
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isReading = true; // Set flag
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try {
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await PLC.readTag(labelerTag);
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await PLC.readTag(palletSend);
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await PLC.readTag(strapperError);
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// strapper check
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strapperFaults(strapperError);
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// send the labeler tag data over
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labelerTagRead(labelerTag);
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// send the end of line check over.
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palletSendTag(palletSend);
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} catch (error: any) {
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createLog(
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"error",
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"dyco",
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"ocp",
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`Error reading PLC tag: ${error.message}`
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);
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} finally {
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isReading = false; // Reset flag
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}
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}, plcInterval);
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});
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} catch (error) {
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createLog(
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"error",
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"dyco",
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"ocp",
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`There was an error in the dyco: ${error}`
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);
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await PLC.disconnect();
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isDycoRunning = false;
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}
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};
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export const closeDyco = async () => {
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if (!isDycoRunning)
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return { success: false, message: "Dyco is not connected." };
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console.log(`Closing the connection`);
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try {
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await PLC.disconnect();
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isDycoRunning = false;
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return {
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success: true,
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message: "Dyco Connection is now closed.",
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};
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} catch (error) {
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console.log(error);
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return {
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success: false,
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message: "There was an error closing the dyco connection.",
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};
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}
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};
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