Neuron Controller: FAST Serial Protocol Overview¶
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.
When you connect to a FAST Neuron Controller via USB, you will see three virtual serial ports appear. The exact port names and numbers will vary depending on your computer, but they will always be in the same relative order.
So we talk about the "first port" or "third port", and that could be:
COM4, COM5, COM6
Or it could be:
/dev/tty.usbmodem1101, /dev/tty.usbmodem1103, /dev/tty.usbmodem1105
Regardless of the actual port names, the relative ports on a Neuron Controller connect to the following processors:
- First Port: NET I/O Loop
- Second Port: EXP Bus
- Third Port: DSP Bus (either SEG or DMD)
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