flipperscope

To compile and install

cd flipperzero-firmware/applications_user
git clone https://github.com/anfractuosity/flipperscope.git
cd ..
./fbt DEBUG=1 VERBOSE=1 fap_scope
./fbt launch_app APPSRC=applications_user/flipperscope

Provide signal to pin 16/C0, with a voltage ranging from 0V to 3.3V.

Press the 'ok' button (button in the centre of joypad) to pause/unpause the waveform display.

To Do

Customisable input pin
Check time period is set correctly
Test with signal generator
Trigger type mode
Way to select and measure voltage from waveform
FFT
...

Inspiration

For GUI menu system, used code principles from weather station and signal generator apps
STM32 DMA example
VREFBUF information - https://community.st.com/s/question/0D53W00001awIlMSAU/enable-and-use-vrefbuf-for-adc-measures
Relocating vector table - https://community.nxp.com/t5/i-MX-Processors/Relocate-vector-table-to-ITCM/m-p/1302304