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Frederik Menke 2024-07-06 14:37:43 +02:00
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commit 31e5b10ce5
3 changed files with 49 additions and 258 deletions
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92
Cargo.lock generated
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@ -119,6 +119,52 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "co2_sensing"
version = "0.1.0"
dependencies = [
"byte-slice-cast 1.2.2",
"byteorder",
"cortex-m",
"cortex-m-rt",
"critical-section",
"cyw43",
"cyw43-pio",
"defmt",
"defmt-rtt",
"display-interface",
"display-interface-spi",
"embassy-embedded-hal",
"embassy-executor",
"embassy-futures",
"embassy-net-wiznet",
"embassy-rp",
"embassy-sync 0.6.0",
"embassy-time",
"embassy-usb",
"embassy-usb-logger",
"embedded-graphics",
"embedded-hal 1.0.0",
"embedded-hal-async",
"embedded-hal-bus",
"embedded-io-async",
"embedded-sdmmc",
"embedded-storage",
"fixed",
"fixed-macro",
"heapless 0.8.0",
"log",
"panic-probe",
"pio",
"pio-proc",
"portable-atomic",
"rand",
"smart-leds",
"st7789",
"static_cell",
"usbd-hid",
]
[[package]] [[package]]
name = "codespan-reporting" name = "codespan-reporting"
version = "0.11.1" version = "0.11.1"
@ -485,52 +531,6 @@ dependencies = [
"rp2040-boot2", "rp2040-boot2",
] ]
[[package]]
name = "embassy-rp-skeleton"
version = "0.1.0"
dependencies = [
"byte-slice-cast 1.2.2",
"byteorder",
"cortex-m",
"cortex-m-rt",
"critical-section",
"cyw43",
"cyw43-pio",
"defmt",
"defmt-rtt",
"display-interface",
"display-interface-spi",
"embassy-embedded-hal",
"embassy-executor",
"embassy-futures",
"embassy-net-wiznet",
"embassy-rp",
"embassy-sync 0.6.0",
"embassy-time",
"embassy-usb",
"embassy-usb-logger",
"embedded-graphics",
"embedded-hal 1.0.0",
"embedded-hal-async",
"embedded-hal-bus",
"embedded-io-async",
"embedded-sdmmc",
"embedded-storage",
"fixed",
"fixed-macro",
"heapless 0.8.0",
"log",
"panic-probe",
"pio",
"pio-proc",
"portable-atomic",
"rand",
"smart-leds",
"st7789",
"static_cell",
"usbd-hid",
]
[[package]] [[package]]
name = "embassy-sync" name = "embassy-sync"
version = "0.3.0" version = "0.3.0"

2
Cargo.toml
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@ -1,5 +1,5 @@
[package] [package]
name = "embassy-rp-skeleton" name = "co2_sensing"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2021"

213
README.md
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@ -1,212 +1,3 @@
<!-- Title --> # co2_sensing
<p align="center">
<img width=15% src="https://www.svgrepo.com/show/68860/microchip.svg">
<h1 align="center">Embassy RP Skeleton</h1>
</p>
The **Embassy RP Skeleton** repository is a project template intended as a starting point for developing your own Measuring the CO2 levels at a local club (with permission)
firmware for the [`rp2040`][1] based on the [`embassy`][2] asynchronous embedded development framework for [Rust][3].
It includes all of the [`knurling-rs`][4] tooling ([`defmt`][5], [`defmt-rtt`][5], [`panic-probe`][5], [`flip-link`][6],
[`probe-run`][7]) to enhance the embedded development process.
The default [`cargo`][8] runner is configured as [`probe-run`][7], so you can build, flash and run your firmware _with_
output from the device via a [`probe-rs`][9] compatible debug probe with the command:
```shell
$ cargo run
```
If you want to use a different runner with your debugger (e.g., [`cargo-embed`][10], [`probe-rs-debugger`][11], etc.) or
if you _aren't_ using a debugger and want the runner to flash the firmware via USB (e.g., [`elf2uf2-rs`][12],
[`picotool`][13], etc.) then see: [Alternative Runners][14]
## Table of Contents
1. [Requirements](#requirements)
2. [Setup](#setup)
1. [System Setup](#system-setup)
2. [Probe Setup](#probe-setup)
3. [Hardware Setup](#hardware-setup)
3. [Usage](#usage)
6. [Appendix](#appendix)
## Requirements
* Ubuntu
* Raspberry Pi Pico
* Debug Probe (*or* another Raspberry Pi Pico)
* Rust Toolchain ([`cargo`][8], [`rustup`][15])
## Setup
### System Setup
1. Install [Rust][3] and [`cargo`][8] using [`rustup`][15]
```shell
# Install `rustup` for Rust Toolchain
$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
```
2. Install Cortex-M Target Toolchain Support for [`Rust`][3]
```shell
# Install `thumbv6m-none-eabi` Target for `rp2040`
$ rustup target add thumbv6m-none-eabi
```
3. Install [`probe-run`][7]
```shell
# Install Linux Dependencies
$ sudo apt install -y libusb-1.0-0-dev libudev-dev
# Install `probe-run`
$ cargo install probe-run
# (Optional) Install `udev` Rules and Reload
$ sudo curl https://probe.rs/files/69-probe-rs.rules -o /etc/udev/rules.d/69-probe-rs.rules
$ sudo udevadm control --reload
$ sudo udevadm trigger
# (Optional) Add User to `plugdev` Group
$ sudo usermod -aG plugdev $USER
```
4. Install [`flip-link`][6]
```shell
# Install `flip-link`
$ cargo install flip-link
```
### Probe Setup
You can use a Raspberry Pi Pico as a CMSIS-DAP debug probe.
1. Download CMSIS-DAP debugger firmware [`DapperMime`][16] for the Raspberry Pi Pico
2. Boot the Raspberry Pi Pico in "Bootloader Mode" by holding the _BOOTSEL_ button while plugging it in
3. Open the mounted Raspberry Pi Pico storage device
4. Copy the `raspberry_pi_pico-DapperMime.uf2` onto the Raspberry Pi Pico
5. Firmware will be flashed to the Raspberry Pi Pico and it will disconnect
Any [`probe-rs`][9] compatible debug probe can be used with [`probe-run`][7]. For a short list of alternative
compatible debug probes see: [Alternative Debug Probes][17].
### Hardware Setup
#### Connecting the Raspberry Pi Pico Debug Probe
The diagram below shows the wiring loom between Raspberry Pi Pico A (left) and Raspberry Pi Pico B (right), configuring
Raspberry Pi Pico A as a debug probe.
<!-- Embed Image -->
<p align="center">
<img width=50% src="https://user-images.githubusercontent.com/62866982/191892108-daabc0d6-5ec1-4265-8722-226c512b995c.svg">
</p>
The connections shown in the diagram above are listed below.
```
Pico A GND -> Pico B GND
Pico A GP2 -> Pico B SWCLK
Pico A GP3 -> Pico B SWDIO
Pico A GP4/UART1 TX -> Pico B GP1/UART0 RX
Pico A GP5/UART1 RX -> Pico B GP0/UART0 TX
Pico A VSYS -> Pico B VSYS
```
For more information on connecting the two Raspberry Pi Picos, the wiring loom between them and its connections, see
the section _Appendix A > Wiring Loom_ in: [Getting Started with Raspberry Pi Pico][18]
#### Raspberry Pi Pico Dev Board
Alternatively, a custom printed Raspberry Pi Pico Dev Board can be used to enhance development, which includes:
* Debug Probe Host (Raspberry Pi Pico)
* Detachable Target (Raspberry Pi Pico)
* Serial Interface
* Reset Button
* Breakout Pins
* Selection of _VSys_ or _VBus_ Power Sources
The custom printed Raspberry Pi Pico Dev board is shown below:
<!-- Embed Image -->
<p align="center">
<img width=50% src="https://user-images.githubusercontent.com/62866982/191941119-a21dd273-d29b-49a5-8daf-5e4429268965.png">
</p>
For more information on printing your own custom Raspberry Pi Pico Dev Board, see:
[Raspberry Pi Pico Dev Board][19]
## Usage
#### Running
To run the firmware in debug mode:
```shell
$ cargo run
```
To run the firmware in release mode:
```shell
$ cargo run --release
```
#### Logging
To change the default [`defmt`][5] log level, see `.cargo/config.toml`:
```toml
[env]
DEFMT_LOG = "trace"
```
You can also set the log level inline:
```shell
$ DEFMT_LOG=debug cargo run
$ DEFMT_LOG=error cargo run --release
```
## Appendix
#### Documentation
* [Raspberry Pi Pico][1]
* [Rust][3]
* [Cargo][8]
* [Rustup][15]
* [Embassy][2]
* [Knurling-RS `defmt`][5]
* [Knurling-RS `flip-link`][6]
* [Knurling-RS `probe-run`][7]
* [Probe-RS `cargo-embed`][10]
* [Probe-RS `probe-rs-debugger`][11]
* [Raspberry Pi Pico `elf2uf2`][12]
* [Raspberry Pi Pico `picotool`][13]
* [CMSIS-DAP Firmware `DapperMime`][16]
#### Resources
* [Rust Embedded Book][20]
* [Awesome Embedded Rust][21]
* [Getting Started with Raspberry Pi Pico][22]
* [Ferrous Systems Embedded Training][23]
* [Ferrous Systems Embedded Teaching Material][24]
* [RP-RS App Template][25]
* [RP-RS Alternative Debug Probes][17]
* [RP-RS Alternative Runners][14]
* [Knurling-RS App Template][4]
* [Probe-RS Probe Setup][9]
* [Raspberry Pi Pico Dev Board][19]
<!-- Reference -->
[1]: https://www.raspberrypi.com/documentation/microcontrollers/rp2040.html
[2]: https://embassy.dev/dev/index.html
[3]: https://www.rust-lang.org/
[4]: https://github.com/knurling-rs/app-template
[5]: https://github.com/knurling-rs/defmt
[6]: https://github.com/knurling-rs/flip-link
[7]: https://github.com/knurling-rs/probe-run
[8]: https://doc.rust-lang.org/cargo/
[9]: https://probe.rs/docs/getting-started/probe-setup/
[10]: https://github.com/probe-rs/cargo-embed
[11]: https://github.com/probe-rs/vscode
[12]: https://github.com/JoNil/elf2uf2-rs
[13]: https://github.com/raspberrypi/picotool
[14]: https://github.com/rp-rs/rp2040-project-template#alternative-runners
[15]: https://rustup.rs/
[16]: https://github.com/majbthrd/DapperMime
[17]: https://github.com/rp-rs/rp2040-project-template/blob/main/debug_probes.md
[18]: https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf#picoprobe-wiring-section
[19]: https://timsavage.github.io/rpi-pico-devboard/
[20]: https://docs.rust-embedded.org/book/
[21]: https://github.com/rust-embedded/awesome-embedded-rust
[22]: https://datasheets.raspberrypi.com/pico/getting-started-with-pico.pdf
[23]: https://embedded-trainings.ferrous-systems.com/
[24]: https://github.com/ferrous-systems/teaching-material
[25]: https://github.com/rp-rs/rp2040-project-template