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Copyright 2016 IBM Corp.
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you may not use this file except in compliance with the License.
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<script type="text/x-red" data-template-name="rpi-sensehatsim in">
<div class="form-row">
<label><i class="fa fa-arrow-right"></i> Outputs</label>
<label style="width: auto" for="node-input-motion"><input style="vertical-align: top; width: auto; margin-right: 5px;" type="checkbox" id="node-input-motion" disabled> Motion events</label>
<div style="padding-left: 125px; margin-top: -5px; color: #bbb;">accelerometer, gyroscope, magnetometer, compass</div>
</div>
<div class="form-row">
<label></label>
<label style="width: auto" for="node-input-env"><input style="vertical-align: top; width: auto; margin-right: 5px;" type="checkbox" id="node-input-env"> Environment events</label>
<div style="padding-left: 125px; margin-top: -5px; color: #bbb;">temperature, humidity, pressure</div>
</div>
<div class="form-row">
<label></label>
<label style="width: auto" for="node-input-stick"><input style="vertical-align: top; width: auto; margin-right: 5px;" type="checkbox" id="node-input-stick"> Joystick events</label>
</div>
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name">
</div>
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<script type="text/x-red" data-template-name="rpi-sensehatsim out">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name">
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<script type="text/x-red" data-help-name="rpi-sensehatsim in">
<p>Raspberry Pi Sense HAT Simulator input node.</p>
<p>This node simulates readings from the various sensors on the Sense HAT,
grouped into three sets; motion events, environment events and joystick events.</p>
<p>Once deployed, the simulator can be accessed <a href="sensehat-simulator" target="_new">here</a>.</p>
<p><b>Motion events</b> - <i>not currently supported by the simulator</i></p>
<p>Motion events include readings from the accelerometer, gyroscope and magnetometer,
as well as the current compass heading. They are sent at a rate of approximately 10
per second. The <code>topic</code> is set to <code>motion</code> and the
<code>payload</code> is an object with the following values:</p>
<ul>
<li><code>acceleration.x/y/z</code> : the acceleration intensity in Gs</li>
<li><code>gyroscope.x/y/z</code> : the rotational intensity in radians/s</li>
<li><code>orientation.roll/pitch/yaw</code> : the angle of the axis in degrees</li>
<li><code>compass</code> : the direction of North in degrees</li>
</ul>
<p><b>Environment events</b></p>
<p>Environment events include readings from the temperature, humidity and pressure
sensors. They are sent at a rate of approximately 1 per second. The <code>topic</code>
is set to <code>environment</code> and the <code>payload</code> is an object
with the following values:</p>
<ul>
<li><code>temperature</code> : degrees Celsius</li>
<li><code>humidity</code> : percentage of relative humidity</li>
<li><code>pressure</code> : Millibars</li>
</ul>
<p><b>Joystick events</b></p>
<p>Joystick events are sent when the Sense HAT joystick is interacted with. The
<code>topic</code> is set to <code>joystick</code> and the <code>payload</code>
is an object with the following values:</p>
<ul>
<li><code>key</code> : one of <code>UP</code>, <code>DOWN</code>, <code>LEFT</code>, <code>RIGHT</code>, <code>ENTER</code></li>
<li><code>state</code> : the state of the key:
<ul>
<li><code>0</code> : the key has been released</li>
<li><code>1</code> : the key has been pressed</li>
<li><code>2</code> : the key is being held down</li>
</ul>
</li>
</ul>
</script>
<script type="text/x-red" data-help-name="rpi-sensehatsim out">
<p>Raspberry Pi Sense HAT Simulator output node.</p>
<p>This node sends commands to the 8x8 LED display on the Sense HAT simulator.</p>
<p>Once deployed, the simulator can be accessed <a href="sensehat-simulator" target="_new">here</a>.</p>
<p>Commands are sent to the node in <code>msg.payload</code>. Multiple commands can
be sent in a single message by separating them with newline (\n) characters.<p>
<p><b>Set the colour of individual pixels</b></p>
<p>Format: <code>&lt;x&gt;,&lt;y&gt;,&lt;colour&gt;</code>
<p><code>x</code> and <code>y</code> must either be a value from 0 to 7, a
<code>*</code> to indicate the entire row or column, or a range such as <code>3-6</code>.</p>
<p><code>colour</code> must be one of:
<ul>
<li>the well-known <a href="https://en.wikipedia.org/wiki/Web_colors" target="_new">HTML colour names</a>
- eg <code>red</code> or <code>aquamarine</code>,</li>
<li>the <a href="http://cheerlights.com/cheerlights-api/">CheerLights colour names</a>,</li>
<li>a HEX colour value - eg <code>#aa9900</code></li>
<li>an RGB triple - <code>190,255,0</code></li>
<li>or simply <code>off</code></li>
</ul>
<p><i>Examples</i></p>
<p>To set the entire screen to red:</p>
<p><code>*,*,red</code></p>
<p>To set the four corners of the display to red, green (#00ff00), yellow and blue (0,0,255):</p>
<p><code>0,0,red,0,7,#00ff00,7,7,yellow,7,0,0,0,255</code></p>
<p>To set a 3-pixel wide column to purple:</p>
<p><code>4-6,*,purple</code></p>
<p><b>Rotate the screen</b></p>
<p>Format: <code>R&lt;angle&gt;</code></p>
<p><code>angle</code> must be 0, 90, 180 or 270.</p>
<p><b>Flip the screen</b></p>
<p>Format: <code>R&lt;axis&gt;</code></p>
<p><code>axis</code> must be either <code>H</code> or <code>V</code> to flip on
the horizontal or vertical axis respectively.</p>
<p><b>Scroll a message</b> - <i>not currently supported by the simulator</i></p>
<p>If <code>msg.payload</code> is not recognised as any of the above commands,
it is treated as a text message to be scrolled across the screen.</p>
<p>If the text is a single character, it will be displayed without scrolling.
To scroll a single character, append a blank space after it - <code>"A "</code>.</p>
<p>The following message properties can be used to customise the appearance:</p>
<ul>
<li><code>msg.color</code> - the colour of the text, default: <code>white</code></li>
<li><code>msg.background</code> - the colour of the background, default: <code>off</code></li>
<li><code>msg.speed</code> - the scroll speed. A value in the range 1 (slower) to 5 (faster), default: <code>3</code></li>
</ul>
<p><b>Set the screen brightness</b> - <i>not currently supported by the simulator</i></p>
<p>Format: <code>D&lt;level&gt;</code></p>
<p><code>level</code> must be 0 (low) or 1 (high).</p>
</script>
<script type="text/javascript">
RED.nodes.registerType('rpi-sensehatsim in',{
category: 'Raspberry Pi',
paletteLabel: "Sense HAT Sim",
color:"#c6dbef",
defaults: {
name: { value:"" },
motion: { value: false },
env: { value: true },
stick: { value: true }
},
inputs:0,
outputs:1,
icon: "rpi.png",
label: function() {
return this.name||"Sense HAT Sim";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
RED.nodes.registerType('rpi-sensehatsim out',{
category: 'Raspberry Pi',
paletteLabel: "Sense HAT Sim",
color:"#c6dbef",
defaults: {
name: { value:"" },
},
inputs:1,
outputs:0,
icon: "rpi.png",
align: "right",
label: function() {
return this.name||"Sense HAT Sim";
},
labelStyle: function() {
return this.name?"node_label_italic":"";
}
});
</script>
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