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47 lines
1.8 KiB
HTML
47 lines
1.8 KiB
HTML
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<script type="text/x-red" data-template-name="rpi-srf">
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<div class="form-row">
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<label for="node-input-pins"><i class="fa fa-circle"></i> Pins</label>
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<input type="text" id="node-input-pins" placeholder="Trigger,Echo">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="fa fa-bars"></i> Topic</label>
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<input type="text" id="node-input-topic" placeholder="optional topic">
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</div>
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<br/>
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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<div class="form-tips"><b>Tip</b>: Pins MUST be a comma separated list of the 2 GPIO
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connector pin numbers that are connected to the Trigger and Echo pins of the SRF04 or SRF05.</div>
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</script>
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<script type="text/x-red" data-help-name="rpi-srf">
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<p>Raspberry Pi input from an SRF04 or SRF05 ultrasonic range finder.</p>
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<p>Outputs a <code>msg.payload</code> with a number representing the range in cm.</p>
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<p>Produces one measure every 0.5s - but only if the distance is different from the previous reading.</p>
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<p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p>
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</script>
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<script type="text/javascript">
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RED.nodes.registerType('rpi-srf',{
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category: 'Raspberry Pi',
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color:"#c6dbef",
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defaults: {
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name: { value:"" },
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topic: { value:"SRF" },
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pins: { value:"", required:true, validate:RED.validators.regex(/^\d+,\d+$/) }
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},
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inputs:0,
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outputs:1,
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icon:"rpi.png",
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label:function() {
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return this.name||"Pi SRF";
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},
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labelStyle:function() {
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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