PicoEMP C firmware

This is a basic firmware for Colin O'Flynn's PicoEMP.

It currently supports:

• Manual arming + pulsing
• Serial interface for arming/disarming/pulsing
• Automatic disarm after 60 seconds
• Fast-trigger via GPIO0 (uses PIO for very fast and consistent triggering)

Building

export PICO_SDK_PATH=.. path to pico SDK ..
mkdir build
cd build
cmake ..
make