Derived from https://github.com/aptlyundecided/super-blank-rust-pico-project.git

## Install

cargo install elf2uf2-rs --locked rustup target add thumbv6m-none-eabi

## USB examples

https://github.com/joaocarvalhoopen/Raspberry_Pi_Pico_in_Rust__Proj_Template_with_RTIC_USB-Serial_UF2 https://docs.rs/usbd-serial/0.1.1/usbd_serial/ https://docs.rs/rp2040-hal/latest/rp2040_hal/usb/index.html

## License The contents of this repository are dual-licensed under the MIT OR Apache 2.0 License. That means you can choose either the MIT license or the Apache-2.0 license when you re-use this code. See MIT or APACHE2.0 for more information on each specific license.

Reference

https://www.gibbard.me/using_the_raspberry_pi_pico_on_ubuntu/

Install SDK

sudo apt install cmake gcc-arm-none-eabi libnewlib-arm-none-eabi build-essential libstdc++-arm-none-eabi-newlib git submodule add -b master https://github.com/raspberrypi/pico-sdk.gi cd pico-sdk/ git submodule update --init cd .. export PICO_SDK_PATH=~/Documents/repositories/geneseas/picoio/pico-sdk

See examples

git submodule add export PICO_SDK_PATH=~/Documents/repositories/geneseas/picoio/pico-sdk

Create own project

in directory picoio

cd picoio/build cmake -GNinja .. ninja

press BOOTSEL button insert in usb connector release BOOTSEL button

cp picoio.uf2 /media/franck/RPI-RP2

that's all!

Serial protocol

Checksum is a crc16. Start '^' and end '$' characters are excluded.

Set PWM pulse width

Command :

^PWM nn,xxxx,zzzz$

where

• nn: channel number in 18 - 22
• xxxx: pulse width duration. decimal number from 1000 to 2000 or 0
• zzzz: crc in hex

Response :

^OK zzzz$ ^NOK wwww,zzzz$

where

• wwww: error code
• zzzz: crc in hex

Read ADC value

Command :

^ADC nn,zzzz$

where

• nn: channel number in 26 - 29
• zzzz: crc in hex

Response :

^DATA xxxx,zzzz$ ^NOK wwww,zzzz$

where

• xxxx: raw value in hex
• wwww: error code
• zzzz: crc in hex

Set digital output

Command :

^SDO nn,x,zzzz$

where

• n: digital out number in 0 - 11
• x: logical value in 0, 1
• zzzz: crc in hex

Response :

^OK zzzz$ ^NOK wwww,zzzz$

where

• wwww: error code
• zzzz: crc in hex

Set all digital outputs

Command :

^SDOS xxxx,yyyy,zzzz$

where

• xxxx: logical values in hex
• yyyy: mask value in hex
• zzzz: crc in hex

Response :

^OK zzzz$ ^NOK wwww,zzzz$

where

• wwww: error code
• zzzz: crc in hex

Get digital input

Command :

^GDI nn,zzzz$

where

• nn: digital out number in 12 - 17
• zzzz: crc in hex

Response :

^DATA xxxx,zzzz$ ^NOK wwww,zzzz$

where

• xxxx: logical value in 0, 1
• wwww: error code
• zzzz: crc in hex

Get all digital inputs

Command :

^GDIS _,zzzz$

where

• zzzz: crc in hex

Response :

^DATA xxxx,zzzz$ ^NOK wwww,zzzz$

where

• xxxx: logical value in hex
• wwww: error code
• zzzz: crc in hex

01234567890123

^ADC nn,zzzz$ ^GDI nn,zzzz$ ^GDIS _,zzzz$ ^PWM nn,xxxx,zzzz$ ^SDO nn,x,zzzz$ ^SDOS xxxx,yyyy,zzzz$