node-red-contrib-minelert-universal-io/sensor.js

Node-RED nodes for Universal IO Gateway and I/O Modules

const { EventBus, logInfo } = require('@minelert-smartlink/common');

module.exports = function(RED) {
    function SensorNode(config) {
      RED.nodes.createNode(this, config);
      const node = this;
  
      const gatewayNode = RED.nodes.getNode(config.gateway);
      const devEui = config.devEui;
        
      if (!gatewayNode) {
        node.error("Gateway not configured");
        return;
      }

      function onSensorEvent(msg) {
        if (msg.eui === devEui) {
          node.send({payload: msg})
        }
      }

      EventBus.on('sensor-event', onSensorEvent);
  
      // node.on('input', (msg, send, done) => {
      //   const ch = msg.channel;
      //   const value = msg.payload;

      //   if (typeof ch !== 'number' || ch < 0 || ch > 3) {
      //     node.error(`Invalid channel: ${ch}`, msg);
      //     if (done) done();
      //     return;
      //   }

      //   node.channelValues[ch] = value;

      //   // Log or send to serial/gateway here
      //   node.status({ fill: "green", shape: "dot", text: `CH${ch}: ${value}` });
  
      //   const command = {
      //     current: value,
      //     channel: ch,
      //     moduleId: moduleId,
      //   };

      //   const topic = `smartlink/commands/${moduleId}/analogOutput`

      //   logInfo(`Analog Output Command ${JSON.stringify(command)}`);

      //   EventBus.emit('send-command', {topic, command});

      //   // command.topic = `smartlink/commands/${moduleId}/analogOutput`,
      //   // send(command)

      //   if (done) done();
      // });
  
      node.on('close', () => {
        EventBus.off("sensor-event", onSensorEvent);
        node.status({});
      });
    }
  
    RED.nodes.registerType("sensor", SensorNode);
  };