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Slight Unicorn hat READme changes

This commit is contained in:
Dave Conway-Jones 2016-01-12 22:53:24 +00:00
parent 705c7f76c4
commit 4ed955cecf
3 changed files with 13 additions and 9 deletions
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17
hardware/unicorn/README.md
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@ -8,8 +8,8 @@ Pre-requisites
--------------
The Unicorn HAT python drivers need to be pre-installed... see the
<a "href=http://learn.pimoroni.com/tutorial/unicorn-hat/getting-started-with-unicorn-hat">
Pimorini Getting Started with Unicorn HAT</a> page.
<a href="http://learn.pimoroni.com/tutorial/unicorn-hat/getting-started-with-unicorn-hat" target="_new">
Pimoroni Getting Started with Unicorn HAT</a> page.
curl -sS get.pimoroni.com/unicornhat | bash
@ -27,17 +27,20 @@ Usage
The background of the array can be configured using an 8x8 pixel sized
png image, or by specifying a single colour using an r,g,b triple.
The brightness can also be set in the configuration. Defaults to 20% so as not to blind you.
The brightness can also be set in the configuration. Defaults to 20% so as not
to blind you.
A pixel is set by **msg.payload** with a CSV string `x,y,r,g,b` , where x and y are 0 to 7, and r, g and b are 0 - 255.
A pixel is set by **msg.payload** with a CSV string `x,y,r,g,b` , where x and y
are 0 to 7, and r, g and b are 0 - 255.
If `x` or `y` are set to `*` then the complete row or column can be set.
Setting both `x` and `y` to `*` fills the background.
The background can also be set to a colour by setting **msg.payload** to an r,g,b triple.
Any msg with a **msg.topic** identifies a 'sprite' pixel, which can then be moved independently of the background.
Any msg with a **msg.topic** identifies a 'sprite' pixel, which can then be moved
independently of the background. A 'sprite' can be a single pixel or a complete line.
Setting **msg.payload** to `0` will delete the sprite from the list.
Setting **msg.payload** to `0` will delete the sprite from the list identified by **msg.topic**.
Setting **msg.payload** to `DEL` delete any sprites - leaving the background.
@ -45,4 +48,4 @@ Setting **msg.payload** to `CLS` will clear the display to off and delete any sp
The overall brightness may be set by setting **msg.payload** to `brightness,nn`, where `nn` is 0 to 100.
The rotation may be set by setting ••msg.payload•• to 'rotate,rr', where 'rr' is 0, 90, 180 or 270.</p>
The rotation may be set by setting ••msg.payload•• to 'rotate,rr', where 'rr' is 0, 90, 180 or 270.

2
hardware/unicorn/package.json
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@ -1,6 +1,6 @@
{
"name" : "node-red-node-pi-unicorn-hat",
"version" : "0.0.1",
"version" : "0.0.2",
"description" : "A Node-RED node to output to a Raspberry Pi Unicorn HAT from Pimorini.",
"dependencies" : {
"pngjs": "2.2.*"

3
hardware/unicorn/unicorn.html
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@ -37,7 +37,8 @@
<p>A pixel is set by <b>msg.payload</b> with a CSV string <i>x,y,r,g,b</i> .
If x or y are set to * then the complete row or column can be set.</p>
<p>The background can be set to a colour by setting msg.payload to an r,g,b triple.</p>
<p>Any msg with a <b>msg.topic</b> identifies a 'sprite' pixel, which can then be moved independently.</p>
<p>Any msg with a <b>msg.topic</b> identifies a 'sprite' pixel, which can then
be moved independently. A 'sprite' can be a single pixel or a complete row.</p>
<p>Setting msg.payload to 0 will delete the sprite from the list.</p>
<p>Setting msg.payload to "CLS" will clear the display to off and delete any sprites.</p>
<p>Setting msg.payload to "DEL" will delete any sprites, and leave the background.</p>