Same demo as testpcb, except the DAC is fed with a triangular wave playing a C-3.
Typo fixed in comment.

It may seem insignificant, but the comment is important to know some
parameters set in the MCU.
Analog watchdog operating.
Merge branches 'testpcb_ADC' and 'testpcb_DAC' into testpcb.

Conflicts:
	cartectrl/cartectrl/cartectrl.cbp
	cartectrl/cartectrl/src/main.cpp