Local integration harness

HWCommX Scale — Bridge Test

Validates the same API contract any browser application can consume.

Checking bridge…

Serial adapter

Unknown

Reading state

Waiting

Sequence

Reading age

—

Latest bridge reading

Weight0.000raw 0000

Unit Price0.00raw 0000

Total Price0.00raw 0000

Simulated application formNo reading applied

Weight field—

Unit price field—

Total price field—

Applied readings

Sequence	Weight	Unit price	Total price	Applied at
No stable reading has been applied

Complete integration code

<script src="hwcommx-scale.js"></script>
<script>
const weightInput = document.getElementById('weight');
const unitPriceInput = document.getElementById('unitPrice');
const totalPriceInput = document.getElementById('totalPrice');

const scale = new HWCommXScaleClient({
  apiUrl: 'http://127.0.0.1:8765/api/scale/latest',
  intervalMs: 250,
  maxAgeMs: 5000,
  requestTimeoutMs: 1800,
  readingMode: 'live', // change to 'stable' to ignore unstable readings

  onReading(reading) {
    weightInput.value = reading.weightText;
    unitPriceInput.value = reading.unitPriceText;
    totalPriceInput.value = reading.totalPriceText;
  }
});

scale.start();
</script>

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Live Scale Reading</title>
</head>
<body>
  <label>Weight <input id="weight" readonly></label>
  <label>Unit price <input id="unitPrice" readonly></label>
  <label>Total price <input id="totalPrice" readonly></label>
  <div id="status">Connecting…</div>

  <script src="hwcommx-scale.js"></script>
  <script>
    const scale = new HWCommXScaleClient({
      apiUrl: 'http://127.0.0.1:8765/api/scale/latest',
      intervalMs: 250,
      maxAgeMs: 5000,
      requestTimeoutMs: 1800,
      readingMode: 'live',
      onReading(reading) {
        document.getElementById('weight').value = reading.weightText;
        document.getElementById('unitPrice').value = reading.unitPriceText;
        document.getElementById('totalPrice').value = reading.totalPriceText;
      },
      onStatus(status) {
        document.getElementById('status').textContent =
          status.bridgeOnline ? 'Bridge online' : 'Bridge unavailable';
      }
    });
    scale.start();
  </script>
</body>
</html>

Raw API response

Waiting for the first response…

Start HWCommX Scale — Device Bridge, keep API port 8765, and set the allowed browser origin to http://localhost:8069.