DIGITAL PEDAL - G33KY-TOAD

This project aims at the creation of a multi-effect stompbox.

        ┌─┐_┌───┐    ┌─────┐    ┌───────┐    ┌─────┐       /│   \
┌┴┴┐════┴═════  │    │ ADC │    │  MCU  │    │ DAC │    ┌─┤ │  \ \
└┬┬┘════┬═════  │ -> │     │ -> │ [DSP] │ -> │     │ -> └─┤ │  / /
        └─┘‾└───┘    └─────┘    └───────┘    └─────┘       \│   /
                     └─────────────────────────────┘
                                G33KY-TOAD
                             [DIGITAL-PEDAL]

Hardware

The system will have a STM32F407VGT6 at it's core, with its 168Mhz clock and 192kB of memory. ADC? Still don't know. DAC? Probably one already on the STM32F4 MCU.

Pedals

Name	Family	DSP	Amplitude	Time/ frequency	Implemented
Amplifier	Utilities	Gain > hard clip	X		X
Bypass	Utilities	Bypass signal (default)			X
Bitcrusher (resolution)	Distortion	Reduce sample resolution	X		X
Dynamic amplifier	Utilities	Gain > hard clip	X	X	WIP
Fuzz	Distortion	Gain > hard clip > sum wave	X		X
Low pass filter	Filter	Low pass filter		X	X
Overdrive	Distortion	Gain > soft clip	X		X
Overdrive (log)	Distortion	Gain > soft clip	X		X
Tremolo	Distortion	Multiply by wave	X		X

Would-be-nice-to-have pedals

Name	Family	DSP	Amplitude	Time/ frequency
Bitcrusher (rate)	Distortion	Reduce sampling rate		X
Wah wah	Filter			X
Compressor	Compression		X	X
Equalizer	Equalisation		X	X
Delay/echo	Delay Lines			X
Vibrato	Distortion			X
Flanger	Flangers
Phaser	Phasers			X
Octaver	Pitch Shifting			X
Chorus	Chorus			X