stuff

left/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "tangentbord1-left"
+version = "0.1.0"
+authors = ["Joakim Hulthe <joakim@hulthe.net>"]
+description = "Keyboard firmware"
+edition = "2021"
+
+[dependencies.tangentbord1]
+path = "../lib"
+package = "tangentbord1-lib"
+
+[dependencies]
+tgnt = { git = "https://git.nubo.sh/hulthe/tgnt.git", default-features = false }
+cortex-m-rt = "0.7"
+embassy-rp = { git = "https://github.com/embassy-rs/embassy.git", features = ["log", "nightly", "unstable-traits", "unstable-pac", "time-driver", "critical-section-impl"] }
+embassy-executor = { git = "https://github.com/embassy-rs/embassy.git", features = ["arch-cortex-m", "log", "executor-thread", "nightly", "integrated-timers" ] }
+embassy-sync = { git = "https://github.com/embassy-rs/embassy.git", features = ["log", "nightly"] }
+embassy-time = { git = "https://github.com/embassy-rs/embassy.git", features = ["log"] }
+embassy-futures = { git = "https://github.com/embassy-rs/embassy.git", features = ["log"] }
+log = "0.4.17"
+postcard = { version = "1.0.4", features = ["alloc"] }
+
+[patch."https://git.nubo.sh/hulthe/tgnt.git"]
+tgnt = { path = "../../tgnt" }
+
+[build-dependencies]
+tgnt = { git = "https://git.nubo.sh/hulthe/tgnt.git", default-features = false }
+ron = "0.8.0"
+postcard = { version = "1", features = ["use-std"] }

left/build.rs

@@ -0,0 +1,59 @@
+//! This build script copies the `memory.x` file from the crate root into
+//! a directory where the linker can always find it at build time.
+//! For many projects this is optional, as the linker always searches the
+//! project root directory -- wherever `Cargo.toml` is. However, if you
+//! are using a workspace or have a more complicated build setup, this
+//! build script becomes required. Additionally, by requesting that
+//! Cargo re-run the build script whenever `memory.x` is changed,
+//! updating `memory.x` ensures a rebuild of the application with the
+//! new memory settings.
+
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+use std::{env, fs};
+
+use tgnt::layer::Layer;
+
+fn main() {
+    memory();
+    serialize_layout("./layers.ron", "./src/layers.pc");
+}
+
+fn memory() {
+    // Put `memory.x` in our output directory and ensure it's
+    // on the linker search path.
+    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    File::create(out.join("memory.x"))
+        .unwrap()
+        .write_all(include_bytes!("../memory.x"))
+        .unwrap();
+    println!("cargo:rustc-link-search={}", out.display());
+
+    // By default, Cargo will re-run a build script whenever
+    // any file in the project changes. By specifying `memory.x`
+    // here, we ensure the build script is only re-run when
+    // `memory.x` is changed.
+    println!("cargo:rerun-if-changed=../memory.x");
+
+    // --nmagic turns off page alignment of sections (which saves flash space)
+    println!("cargo:rustc-link-arg-bins=--nmagic");
+
+    println!("cargo:rustc-link-arg-bins=-Tlink.x");
+    println!("cargo:rustc-link-arg-bins=-Tlink-rp.x");
+    //println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+}
+
+fn serialize_layout(ron_path: &str, postcard_path: &str) {
+    println!("cargo:rerun-if-changed={ron_path}");
+
+    let layers = fs::read_to_string(ron_path).expect("Failed to read .ron");
+    let layers: Vec<Layer> = ron::from_str(&layers).expect("Failed to deserialize .ron");
+
+    let serialized = postcard::to_stdvec(&layers).expect("Failed to serialize layers");
+
+    File::create(postcard_path)
+        .expect("Failed to create .pc")
+        .write_all(&serialized)
+        .expect("Failed to write .pc");
+}

left/layers.ron

@@ -0,0 +1,89 @@
+[
+	Layer(
+		buttons: [
+			// Row 1
+			Key(Escape),
+			Key(Comma),
+			Key(Period),
+			Key(P),
+			Key(Y),
+
+			// Row 2
+			ModTap(A, LMod),
+			ModTap(O, LAlt),
+			ModTap(E, LShift),
+			ModTap(U, LCtrl),
+			Key(I),
+
+			// Row 3
+			Key(Colon),
+			Key(Q),
+			Key(J),
+			Key(K),
+			Key(X),
+
+			// Thumbpad
+			Key(Backspace),
+			Key(Space),
+			HoldLayer(1),
+		],
+	),
+	Layer(
+		buttons: [
+			// Row 1
+			Key(Escape),
+			Key(Slash),
+			Key(Equal),
+			Key(Accent),
+			Key(Period),
+
+			// Row 2
+			ModTap(BackslashPipe, LMod),
+			ModTap(Dash, LAlt),
+			ModTap(LBracket, LShift),
+			ModTap(RBracket, LCtrl),
+			Key(Tab),
+
+			// Row 3
+			None,
+			None,
+			None,
+			Key(Apostrophe),
+			None,
+
+			// Thumbpad
+			Key(Backspace),
+			Key(Space),
+			HoldLayer(1),
+		],
+	),
+	Layer(
+		buttons: [
+			// Row 1
+			Key(Escape),
+			Key(Mute),
+			Key(VolumeDown),
+			Key(VolumeUp),
+			None,
+
+			// Row 2
+			Mod(LMod),
+			Mod(LAlt),
+			Mod(LShift),
+			Mod(LCtrl),
+			None,
+
+			// Row 3
+			None,
+			None,
+			None,
+			None,
+			None,
+
+			// Thumbpad
+			Key(Backspace),
+			Key(Space),
+			HoldLayer(1),
+		],
+	),
+]

left/src/main.rs

@@ -0,0 +1,111 @@
+//! Firmware for Tangentbord1, left half.
+
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+#![cfg(target_arch = "arm")]
+
+extern crate alloc;
+extern crate cortex_m_rt;
+
+use alloc::vec::Vec;
+use embassy_executor::Spawner;
+use embassy_rp::gpio::{Level, Output, Pin};
+use embassy_time::{Duration, Timer};
+use log::error;
+use tangentbord1::{
+    board::Board,
+    event::Half,
+    keyboard::KeyboardConfig,
+    logger::Logger,
+    rgb::Rgb,
+    util::{stall, wheel},
+    ws2812::Ws2812,
+    {allocator, rtt, uart, usb},
+};
+use tgnt::layer::Layer;
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let half = Half::Left;
+
+    let rtt_write = rtt::init_rtt_logger();
+    let logger = Logger {
+        outputs: [rtt_write],
+    };
+    logger.init();
+
+    log::error!("log_level: error");
+    log::warn!("log_level: warn");
+    log::info!("log_level: info");
+    log::debug!("log_level: debug");
+    log::trace!("log_level: trace");
+
+    allocator::init();
+
+    let p = embassy_rp::init(Default::default());
+    let board = Board::from(p);
+
+    let _neopixel_power = Output::new(board.neopixel_power, Level::High);
+
+    let mut neopixel = Ws2812::new(board.PIO0, board.DMA_CH0, board.neopixel);
+    let neopixels_d5 = Ws2812::new(board.PIO1, board.DMA_CH1, board.d5);
+
+    neopixel.write(&[Rgb::new(0xFF, 0x00, 0x00)]).await;
+
+    let layers = include_bytes!("layers.pc");
+    let Ok(layers): Result<Vec<Layer>, _> = postcard::from_bytes(layers) else {
+        log::error!("Failed to deserialize layer config");
+        stall().await
+    };
+
+    let keyboard = KeyboardConfig {
+        half,
+        pins: [
+            // row 1
+            board.d24.degrade(),
+            board.a3.degrade(),
+            board.a2.degrade(),
+            board.a1.degrade(),
+            board.a0.degrade(),
+            // row 2
+            board.d25.degrade(),
+            board.sck.degrade(),
+            board.mosi.degrade(),
+            board.miso.degrade(),
+            board.d2.degrade(),
+            // row 3
+            board.d12.degrade(),
+            board.d11.degrade(),
+            board.d10.degrade(),
+            board.d9.degrade(),
+            board.d3.degrade(),
+            // thumbpad
+            board.d7.degrade(),
+            board.scl.degrade(),
+            board.sda.degrade(),
+        ],
+        // the index of the LEDs is different than the switch index.
+        // each number is the index of the LED for the switch of that index.
+        led_map: [4, 3, 2, 1, 0, 5, 6, 7, 8, 9, 14, 13, 12, 11, 10, 15, 16, 17],
+        led_driver: neopixels_d5,
+        layers,
+    };
+
+    let Some([events1, events2]) = keyboard.create().await else {
+        error!("failed to create keyboard");
+        return;
+    };
+
+    uart::start(board.tx, board.rx, board.UART0, half, events2).await;
+
+    neopixel.write(&[Rgb::new(0x00, 0x99, 0x99)]).await;
+
+    usb::setup_logger_and_keyboard(board.USB, events1).await;
+    neopixel.write(&[Rgb::new(0x00, 0x00, 0xFF)]).await;
+
+    for w in 0usize.. {
+        neopixel.write(&[wheel(w as u8)]).await;
+        Timer::after(Duration::from_millis(10)).await;
+    }
+}