not-webusb 0.1.0

Communicate between a webpage and a usb device without webusb
Documentation 
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<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <script src="not_webusb.js"></script>
    <script>
        async function read_write() {
            let input_slider = document.getElementById("input");
            let output_div = document.getElementById("output");
            let input = new Uint8Array([input_slider.value]);
            console.log(input);

            try {
                await not_webusb_read_write(input);
            } catch (e) {
                // In use exceptions are common since we call this so frequently.
                // Failing to write to the device is fine, so just drop these errors.
                // Other errors should be logged and rethrown.
                if (!(e instanceof NotWebusbInUseException)) {
                    output_div.innerText = "Failed to communicate with device:\n" + e;
                    output_div.style = "color: red";
                    throw e;
                }
            }
        }

        async function set_up() {
            document.getElementById("input").oninput = read_write
        }
        window.onload = set_up;
    </script>
</head>

<body>
    <h1>blinker</h1>
    <p>
        Flash the firmware by running:
    <pre>
    cd examples/pico
    cargo run --release --bin blinker</pre>

    Then move the slider below and observe the changing rate of blinking on the device.</p>
    <input type="range" min="1" max="255" value="128" class="slider" id="input" style="width:100%">
    <div id="output"></div>
</body>

</html>