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= Communication protocols =

== Ascii Host to  Control Board v1 ==

The commands from the host to Control Board are in the following form:
'''<command char><command specific parameters><newline>'''. There is one character defining the command class, then class specific parameters and finally a newline. The newline can be any combination of \n and \r, sequential characters are ignored.

=== Led ===
* <l><t,0,1><newline>
The command specific parameter must be one of the following:
;t
:Toggles the led on and off.
;0
:Turns the led off.
;1
:Turns the led on.

=== PWM ===
* <p><fX><newline>
* <p><[0-9]nnnnn,s><newline>

The command specific parameter must be one of the following:
;fX
:Sets the PWM frequency to X Hz (default 50). Must not be changed, when running.
;[0-9]s
:Stops the PWM channel 0-9
;[0-9]nnnnn
:Sets the duty cycle of channel 0-9 to nnnnn. 0 for 0%, 5000 for 50%, 10000 for 100%.

== Ascii Control Board v1 to Host ==
TBD

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