node-tripp-lite/examples/listen.js

Monitor and control Tripp-Lite UPSs via USB.

const UPS = require('../src/index');

const ups = new UPS();
ups.on('change', ({ property, value }) =>
    console.log(`The ${property} value has changed to ${value}`)
)

ups.on('connected', deviceDescriptor => {
    console.log('Connected')
    console.log(deviceDescriptor)
})

ups.on('disconnected', deviceDescriptor => {
    console.log('Disconnected')
    console.log(deviceDescriptor)
})

ups.on('initialized', state => {
    console.log('Initialized')
    console.log(state)
})

ups.on("error", err => {
  console.error("Initialized", err);
});

ups.on('power.lost', () => {
    console.log('Power Lost');
})

ups.on("power.restored", () => {
  console.log("Power Restored");
});