Init

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "qbd"
+version = "0.1.0"
+edition = "2021"
+
+[features]
+backlight = []
+backlight_default_on = ["backlight"]
+backlight_on_state = ["backlight"]
+backlight_breathing = ["backlight"]
+backlight_breathing_default_on = ["backlight", "backlight_breathing"]
+
+default = ["backlight", "backlight_breathing"]
+
+[dependencies]
+embassy-embedded-hal = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt"] }
+embassy-sync = { version = "0.5.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt"] }
+embassy-executor = { version = "0.4.0", git = "https://github.com/embassy-rs/embassy.git", features = ["task-arena-size-32768", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-time = { version = "0.2", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-rp = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt", "unstable-pac", "time-driver", "critical-section-impl"] }
+embassy-usb = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt"] }
+embassy-net = { version = "0.2.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt", "tcp", "udp", "dhcpv4", "medium-ethernet"] }
+embassy-net-wiznet = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git", features = ["defmt"] }
+embassy-futures = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git" }
+embassy-usb-logger = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy.git" }
+
+defmt = "0.3"
+defmt-rtt = "0.4"
+fixed = "1.23.1"
+fixed-macro = "1.2"
+
+#cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm"] }
+cortex-m-rt = "0.7.0"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
+futures = { version = "0.3.17", default-features = false, features = ["async-await", "cfg-target-has-atomic", "unstable"] }
+display-interface-spi = "0.4.1"
+embedded-graphics = "0.7.1"
+st7789 = "0.6.1"
+display-interface = "0.4.1"
+byte-slice-cast = { version = "1.2.0", default-features = false }
+smart-leds = "0.3.0"
+heapless = "0.8"
+usbd-hid = "0.6.1"
+
+embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-rc.3" }
+embedded-hal-async = "1.0.0-rc.3"
+embedded-hal-bus = { version = "0.1.0-rc.3", features = ["async"] }
+embedded-io-async = { version = "0.6.1", features = ["defmt-03"] }
+embedded-storage = { version = "0.3" }
+static_cell = "2"
+portable-atomic = { version = "1.5", features = ["critical-section"] }
+log = "0.4"
+pio-proc = "0.2"
+pio = "0.2.1"
+rand = { version = "0.8.5", default-features = false }
+
+[profile.release]
+debug = 2

src/backlight.rs

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+use embassy_rp::gpio::{AnyPin, Output};
+
+pub type BacklightLevel = u8;
+
+#[cfg(feature = "backlight_breathing")]
+pub struct BacklightBreathing {
+    pub enabled: bool,
+    pub period: std::time::Duration,
+}
+
+pub struct Backlight<'d> {
+    pub pins: Vec<Output<'d, AnyPin>>,
+    pub on: bool,
+    pub default_on: bool,
+    pub lvl: BacklightLevel,
+    pub default_lvl: BacklightLevel,
+    #[cfg(feature = "backlight_breathing")]
+    pub breathing: BacklightBreathing,
+}
+
+impl<'d> Backlight<'d> {
+    pub fn new(pins: Vec<Output<'d, AnyPin>>, default_lvl: BacklightLevel) -> Self {
+        let mut bl = Self {
+            pins,
+            on: cfg!(feature = "backlight_default_on"),
+            default_on: cfg!(feature = "backlight_default_on"),
+            lvl: default_lvl,
+            default_lvl: default_lvl,
+            #[cfg(feature = "backlight_breathing")]
+            breathing: BacklightBreathing {
+                enabled: cfg!(feature = "backlight_breathing_default_on"),
+                period: std::time::Duration::from_millis(66),
+            },
+        };
+        bl.backlight_pins_off();
+        bl
+    }
+
+    fn backlight_pin_on<'d>(pin: &mut Output<'d, AnyPin>) {
+        if cfg!(feature = "backlight_on_state") {
+            pin.set_high();
+        } else {
+            pin.set_low();
+        }
+    }
+    fn backlight_pin_off<'d>(pin: &mut Output<'d, AnyPin>) {
+        if cfg!(feature = "backlight_on_state") {
+            pin.set_low();
+        } else {
+            pin.set_high();
+        }
+    }
+
+    pub fn backlight_pins_on<'d>(&mut self) {
+        for pin in &mut self.pins {
+            Self::backlight_pin_on(pin);
+        }
+    }
+    pub fn backlight_pins_off<'d>(&mut self) {
+        for pin in &mut self.pins {
+            Self::backlight_pin_off(pin);
+        }
+    }
+
+    pub fn breathing_task() {}
+}

src/lib.rs

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+pub mod backlight;
+pub mod keycodes;

src/main.rs

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+#![no_std]
+#![no_main]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_rp::gpio::Pin;
+use embassy_rp::{gpio, init};
+use embassy_time::Timer;
+use gpio::{Level, Output};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = init(Default::default());
+}