node-red-contrib-ads1x15/ads1x15/ads1x15.html

Node-Red node for ADS1015 and ADS1115 I2C ADC

<script type="text/x-red" data-template-name="ads1x15">

    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>

    <div class="form-row">
        <label for="node-input-chip"><i class="fa fa-microchip"></i> Chip</label>
        <select id="node-input-chip">
            <option value="0" >ads1015</option>
            <option value="1" >ads1115</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-config-input-device"><i class="fa fa-globe"></i> I2C Device</label>
        <input type="text" id="node-config-input-device" placeholder="/dev/I2C-1" style="width: 45%;">
    </div>
    <div class="form-row">
        <label for="node-config-input-address"><i class="fa fa-user"></i> Address</label>
        <input type="text" id="node-config-input-address" placeholder="0x48">
    </div>

    <div class="form-row">
        <label for="node-input-channel"><i class="fa fa-random"></i> Channel</label>
        <select id="node-input-channel">
            <option value="0" >0</option>
            <option value="1" >1</option>
            <option value="2" >2</option>
            <option value="3" >3</option>
        </select>
    </div>

    <div class="form-row" id="samplesPerSecond0">
        <label for="input-samplesPerSecond0"><i class="fa fa-sign-in"></i> Samples Per Second</label>
        <select id="input-samplesPerSecond0">
            <option value="8">8</option>
            <option value="16">16</option>
            <option value="32">32</option>
            <option value="64">64</option>
            <option value="128">128</option>
            <option value="250">250</option>
            <option value="475">475</option>
            <option value="860">860</option>
        </select>
    </div>
    <div class="form-row" id="samplesPerSecond1">
        <label for="input-samplesPerSecond1"><i class="fa fa-sign-in"></i> Samples Per Second</label>
        <select id="input-samplesPerSecond1">
           <option value="128">128</option>
            <option value="250">250</option>
            <option value="490">490</option>
            <option value="920">920</option>
            <option value="1600">1600</option>
            <option value="2400">2400</option>
            <option value="3300">3300</option>
        </select>
    </div>
    <input type="hidden" id="node-input-samplesPerSecond">
    <div class="form-row">
        <label for="node-input-progGainAmp"><i class="fa fa-wrench"></i> Gain</label>
        <select id="node-input-progGainAmp">
            <option value="6144">6144</option>
            <option value="4096">4096</option>
            <option value="2048">2048</option>
            <option value="1024">1024</option>
            <option value="512">512</option>
            <option value="256">256</option>
        </select>
    </div>

    <!--<div class="form-tips">Scan for connected devices on I2C.</div>-->
</script>

<script type="text/x-red" data-help-name="ads1x15">
    <p>Reads data from a ads1x15.</p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('ads1x15', {
        category: 'input',
        defaults: {
            name: { name: "" },
            chip: { value: 0 },
            address: { value: 0x48 },
            i2c_dev: { value: '/dev/i2c-1' },
            channel: { value: 0 },
            samplesPerSecond: { value: '250' },
            progGainAmp: { value: '4096' },
        },
        color: "red",
        inputs: 1,
        outputs: 1,
        icon: "serial.png",
        label: function () {
            return this.name || "ads1x15";
        },
        labelStyle: function () {
            return this.name ? "node_label_italic" : "";
        },
        oneditprepare: function () {
            var chip = $("#node-input-chip").val();
            chip == "0" ? (
                $("#input-samplesPerSecond0").val(this.samplesPerSecond)
            ) : (
                    $("#input-samplesPerSecond1").val(this.samplesPerSecond)
                );
            $("#node-input-chip").change(function () {
                var chip = $("#node-input-chip").val();
                chip == "1" ? (
                    $("#samplesPerSecond0").hide(),
                    $("#samplesPerSecond1").show(),
                    $("#samplesPerSecond1").val('250')
                ) : (
                        $("#samplesPerSecond1").hide(),
                        $("#samplesPerSecond0").show(),
                        $("#samplesPerSecond0").val('250')
                    );
            });
        },
        oneditsave: function () {
            var chip = $("#node-input-chip").val();
            chip == "0" ? (
                $("#node-input-samplesPerSecond").val($("#input-samplesPerSecond0").val())
            ) : (
                    $("#node-input-samplesPerSecond").val($("#input-samplesPerSecond1").val())
                );
        }
    });

</script>