RA: Set all LEDs to the same color¶
FAST Serial Protocol: Overview & First Steps
This documentation section is about the FAST Serial Protocol (FSP) commands, which are the low-level commands a host computer sends to a FAST board. Most FAST Pinball makers do not need to know about these details, since the pinball game framework (such as the Mission Pinball Framework) handles this communication for you.
If you're writing your own game framework, we have a series of programming guides. Also, be sure to read the overview of how FSP works and how to connect first.
Note that this legacy RGB command is used with LEDs attached to the ports on a FAST Nano Controller. LEDs attached to the Neuron or other expansion boards are controlled via the EXP Bus connection and use EXP commands, not these RGB commands.
The RA: command is used to set all the LEDs in the machine to the same color
all at once. This command is not particularly practical during game play, but
it can be useful during the startup process to turn all the LEDs off.
Command Syntax¶
RA:<R><G><B><CR>
Each R, G, and B value is from 00-FF (hex, which is 0-255 decimal).
Examples¶
RA:ff0000<CR>, turns all connected LEDs red.
RA:000000<CR>, turns all connected LEDs off.
Documentation Feedback? Requests? Confused?
Hi! I'm Brian, and I'm responsible for the documentation at FAST Pinball. If you have any feedback, requests, corrections, ideas, or any other thoughts about the docs, please let me know!
You can email me at brian@fastpinball.com. I maintain this site in my spare time, so there might be a week or so delay if you email me.
If you have a more pressing need, reach out to us via Slack, or email Aaron Davis.
Thanks!
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