diff --git a/Cargo.toml b/Cargo.toml index a68dc36..f0fad27 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -7,6 +7,7 @@ members = [ "boards/adafruit-kb2040", "boards/adafruit-macropad", "boards/adafruit-qt-py-rp2040", + "boards/adafruit-trinkey-qt2040", "boards/pimoroni-pico-explorer", "boards/pimoroni-pico-lipo-16mb", "boards/rp-pico", diff --git a/README.md b/README.md index 562d8bb..8bb6247 100644 --- a/README.md +++ b/README.md @@ -179,6 +179,17 @@ RP2040 chip according to how it is connected up on the Feather RP2040. [Adafruit QT Py RP2040]: https://www.adafruit.com/product/4900 [adafruit-qt-py-rp2040]: https://github.com/rp-rs/rp-hal/tree/main/boards/adafruit-qt-py-rp2040 +### [adafruit-trinkey-qt2040] - Board Support for the [Adafruit Trinkey QT2040] + +You should include this crate if you are writing code that you want to run on +an [Adafruit Trinkey QT2040] - a 3x4 keyboard and OLED combo board from Adafruit. + +This crate includes the [rp2040-hal], but also configures each pin of the +RP2040 chip according to how it is connected up on the Trinkey. + +[Adafruit-Trinkey-QT2040]: https://github.com/rp-rs/rp-hal/tree/main/boards/adafruit-trinkey-qt2040 +[adafruit trinkey qt2040]: https://www.adafruit.com/product/5056 + ### [pimoroni-pico-explorer] - Board Support for the [Pimoroni Pico Explorer] You should include this crate if you are writing code that you want to run on diff --git a/boards/adafruit-trinkey-qt2040/Cargo.toml b/boards/adafruit-trinkey-qt2040/Cargo.toml new file mode 100644 index 0000000..874ab5c --- /dev/null +++ b/boards/adafruit-trinkey-qt2040/Cargo.toml @@ -0,0 +1,29 @@ +[package] +name = "adafruit-trinkey-qt2040" +version = "0.1.0" +authors = ["The rp-rs Developers"] +edition = "2018" +homepage = "https://github.com/rp-rs/rp-hal/tree/main/boards/adafruit-trinkey-qt2040" +description = "Board Support Package for the Adafruit Trinkey QT2040" +license = "MIT OR Apache-2.0" +repository = "https://github.com/rp-rs/rp-hal.git" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +rp2040-hal = { path = "../../rp2040-hal", version = "0.4.0" } +cortex-m-rt = { version = "0.7.0", optional = true } +rp2040-boot2 = { version = "0.2.0", optional = true } + +[dev-dependencies] +panic-halt= "0.2.0" +embedded-hal ="0.2.5" +embedded-time = "0.12.0" +smart-leds = "0.3" +nb = "1.0.0" +ws2812-pio = { git = "https://github.com/ithinuel/ws2812-pio-rs", rev = "4f0d81e594ea9934f9c4c38ed9824ad0cce4ebb5" } + +[features] +default = ["boot2", "rt"] +boot2 = ["rp2040-boot2"] +rt = ["cortex-m-rt","rp2040-hal/rt"] \ No newline at end of file diff --git a/boards/adafruit-trinkey-qt2040/README.md b/boards/adafruit-trinkey-qt2040/README.md new file mode 100644 index 0000000..1b62811 --- /dev/null +++ b/boards/adafruit-trinkey-qt2040/README.md @@ -0,0 +1,93 @@ +# [adafruit-trinkey-qt2040] - Board Support for the [Adafruit Trinkey QT2040] + +You should include this crate if you are writing code that you want to run on +an [Adafruit Trinkey QT2040] - a 3x4 keyboard and OLED combo board from Adafruit. + +This crate includes the [rp2040-hal], but also configures each pin of the +RP2040 chip according to how it is connected up on the Trinkey. + +[adafruit-trinkey-qt2040]: https://github.com/rp-rs/rp-hal/tree/main/boards/adafruit-trinkey-qt2040 +[adafruit trinkey qt2040]: https://www.adafruit.com/product/5056 +[rp2040-hal]: https://github.com/rp-rs/rp-hal/tree/main/rp2040-hal + +## Using + +To use this crate, your `Cargo.toml` file should contain: + +```toml +adafruit-trinkey-qt2040 = "0.1.0" +``` + +In your program, you will need to call `adafruit-trinkey-qt2040::Pins::new` to create +a new `Pins` structure. This will set up all the GPIOs for any on-board +devices. See the [examples](./examples) folder for more details. + +## Examples + +### General Instructions + +To compile an example, clone the _rp-hal_ repository and run: + +```console +rp-hal/boards/adafruit-trinkey-qt2040 $ cargo build --release --example +``` + +You will get an ELF file called +`./target/thumbv6m-none-eabi/release/examples/`, where the `target` +folder is located at the top of the _rp-hal_ repository checkout. Normally +you would also need to specify `--target=thumbv6m-none-eabi` but when +building examples from this git repository, that is set as the default. + +If you want to convert the ELF file to a UF2 and automatically copy it to the +USB drive exported by the RP2040 bootloader, simply boot your board into +bootloader mode and run: + +```console +rp-hal/boards/adafruit-trinkey-qt2040 $ cargo run --release --example +``` + +If you get an error about not being able to find `elf2uf2-rs`, try: + +```console +$ cargo install elf2uf2-rs, then repeating the `cargo run` command above. +``` + +### [Rainbow](./examples/adafruit_trinkey_qt2040_rainbow.rs) + +This example will display a colour-wheel rainbow effect on the on-board LED. + +## Contributing + +Contributions are what make the open source community such an amazing place to +be learn, inspire, and create. Any contributions you make are **greatly +appreciated**. + +The steps are: + +1. Fork the Project by clicking the 'Fork' button at the top of the page. +2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`) +3. Make some changes to the code or documentation. +4. Commit your Changes (`git commit -m 'Add some AmazingFeature'`) +5. Push to the Feature Branch (`git push origin feature/AmazingFeature`) +6. Create a [New Pull Request](https://github.com/rp-rs/rp-hal/pulls) +7. An admin will review the Pull Request and discuss any changes that may be required. +8. Once everyone is happy, the Pull Request can be merged by an admin, and your work is part of our project! + +## Code of Conduct + +Contribution to this crate is organized under the terms of the [Rust Code of +Conduct][coc], and the maintainer of this crate, the [rp-rs team], promises +to intervene to uphold that code of conduct. + +[coc]: CODE_OF_CONDUCT.md +[rp-rs team]: https://github.com/orgs/rp-rs/teams/rp-rs + +## License + +The contents of this repository are dual-licensed under the _MIT OR Apache +2.0_ License. That means you can chose either the MIT licence or the +Apache-2.0 licence when you re-use this code. See `MIT` or `APACHE2.0` for more +information on each specific licence. + +Any submissions to this project (e.g. as Pull Requests) must be made available +under these terms. diff --git a/boards/adafruit-trinkey-qt2040/examples/adafruit_trinkey_qt2040_rainbow.rs b/boards/adafruit-trinkey-qt2040/examples/adafruit_trinkey_qt2040_rainbow.rs new file mode 100644 index 0000000..dcc0c96 --- /dev/null +++ b/boards/adafruit-trinkey-qt2040/examples/adafruit_trinkey_qt2040_rainbow.rs @@ -0,0 +1,109 @@ +//! # Rainbow Example for the Adafruit Trinkey QT2040 +//! +//! Runs a rainbow-effect colour wheel on the on-board LED. +//! +//! Uses the `ws2812_pio` driver to control the LED, which in turns uses the +//! RP2040's PIO block. + +#![no_std] +#![no_main] + +use core::iter::once; +use cortex_m_rt::entry; +use embedded_hal::timer::CountDown; +use embedded_time::duration::Extensions; +use panic_halt as _; + +use adafruit_trinkey_qt2040::{ + hal::{ + clocks::{init_clocks_and_plls, Clock}, + pac, + pio::PIOExt, + timer::Timer, + watchdog::Watchdog, + Sio, + }, + XOSC_CRYSTAL_FREQ, +}; +use smart_leds::{brightness, SmartLedsWrite, RGB8}; +use ws2812_pio::Ws2812; + +/// Entry point to our bare-metal application. +/// +/// The `#[entry]` macro ensures the Cortex-M start-up code calls this +/// function as soon as all global variables are initialised. +/// +/// The function configures the RP2040 peripherals, then the LED, then runs +/// the colour wheel in an infinite loop. +#[entry] +fn main() -> ! { + // Configure the RP2040 peripherals + + let mut pac = pac::Peripherals::take().unwrap(); + let mut watchdog = Watchdog::new(pac.WATCHDOG); + + let clocks = init_clocks_and_plls( + XOSC_CRYSTAL_FREQ, + pac.XOSC, + pac.CLOCKS, + pac.PLL_SYS, + pac.PLL_USB, + &mut pac.RESETS, + &mut watchdog, + ) + .ok() + .unwrap(); + + let sio = Sio::new(pac.SIO); + + let pins = adafruit_trinkey_qt2040::Pins::new( + pac.IO_BANK0, + pac.PADS_BANK0, + sio.gpio_bank0, + &mut pac.RESETS, + ); + + let timer = Timer::new(pac.TIMER, &mut pac.RESETS); + let mut delay = timer.count_down(); + + // Configure the addressable LED + let (mut pio, sm0, _, _, _) = pac.PIO0.split(&mut pac.RESETS); + + let mut ws = Ws2812::new( + pins.neopixel.into_mode(), + &mut pio, + sm0, + clocks.peripheral_clock.freq(), + timer.count_down(), + ); + + // Infinite colour wheel loop + + let mut n: u8 = 128; + loop { + ws.write(brightness(once(wheel(n)), 32)).unwrap(); + n = n.wrapping_add(1); + + delay.start(25.milliseconds()); + let _ = nb::block!(delay.wait()); + } +} + +/// Convert a number from `0..=255` to an RGB color triplet. +/// +/// The colours are a transition from red, to green, to blue and back to red. +fn wheel(mut wheel_pos: u8) -> RGB8 { + wheel_pos = 255 - wheel_pos; + if wheel_pos < 85 { + // No green in this sector - red and blue only + (255 - (wheel_pos * 3), 0, wheel_pos * 3).into() + } else if wheel_pos < 170 { + // No red in this sector - green and blue only + wheel_pos -= 85; + (0, wheel_pos * 3, 255 - (wheel_pos * 3)).into() + } else { + // No blue in this sector - red and green only + wheel_pos -= 170; + (wheel_pos * 3, 255 - (wheel_pos * 3), 0).into() + } +} diff --git a/boards/adafruit-trinkey-qt2040/src/lib.rs b/boards/adafruit-trinkey-qt2040/src/lib.rs new file mode 100644 index 0000000..e28fe6d --- /dev/null +++ b/boards/adafruit-trinkey-qt2040/src/lib.rs @@ -0,0 +1,33 @@ +#![no_std] + +pub extern crate rp2040_hal as hal; + +#[cfg(feature = "rt")] +extern crate cortex_m_rt; +#[cfg(feature = "rt")] +pub use cortex_m_rt::entry; + +/// The linker will place this boot block at the start of our program image. We +/// need this to help the ROM bootloader get our code up and running. +#[cfg(feature = "boot2")] +#[link_section = ".boot2"] +#[no_mangle] +#[used] +pub static BOOT2_FIRMWARE: [u8; 256] = rp2040_boot2::BOOT_LOADER_W25Q080; + +pub use hal::pac; + +hal::bsp_pins!( + Gpio12 { name: button }, + Gpio16 { + name: sda, + aliases: { FunctionI2C: Sda } + }, + Gpio17 { + name: scl, + aliases: { FunctionI2C: Scl } + }, + Gpio27 { name: neopixel }, +); + +pub const XOSC_CRYSTAL_FREQ: u32 = 12_000_000;