commit 510d9106699c23254f812c3c803c68e0cfe235fb
Author: hodasemi <michaelh.95@t-online.de>
Date:   Wed Apr 12 11:40:56 2023 +0200

    Initial commit

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..1acd241
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,29 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# Choose a default "cargo run" tool:
+# - probe-run provides flashing and defmt via a hardware debugger
+# - cargo embed offers flashing, rtt, defmt and a gdb server via a hardware debugger
+#     it is configured via the Embed.toml in the root of this project
+# - elf2uf2-rs loads firmware over USB when the rp2040 is in boot mode
+# runner = "probe-run --chip RP2040"
+# runner = "cargo embed"
+runner = "elf2uf2-rs -d"
+
+rustflags = [
+  "-C", "linker=flip-link",
+  "-C", "link-arg=--nmagic",
+  "-C", "link-arg=-Tlink.x",
+  "-C", "link-arg=-Tdefmt.x",
+
+  # Code-size optimizations.
+  #   trap unreachable can save a lot of space, but requires nightly compiler.
+  #   uncomment the next line if you wish to enable it
+  # "-Z", "trap-unreachable=no",
+  "-C", "inline-threshold=5",
+  "-C", "no-vectorize-loops",
+]
+
+[build]
+target = "thumbv6m-none-eabi"
+
+[env]
+DEFMT_LOG = "debug"
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..9d12d6f
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,11 @@
+{
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+        "activityBar.background": "#2C300F",
+        "titleBar.activeBackground": "#3D4314",
+        "titleBar.activeForeground": "#FAFBF3"
+    },
+    "rust-analyzer.check.allTargets": false,
+    "rust-analyzer.linkedProjects": [
+        "./Cargo.toml"
+    ],
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..ffef723
--- /dev/null
+++ b/.vscode/tasks.json
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+			],
+			"label": "rust: cargo run"
+		}
+	]
+}
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..2686843
--- /dev/null
+++ b/Cargo.lock
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3205b6c
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,22 @@
+[package]
+name = "embassy_pico_mouse"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+embassy-executor = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-rp = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy", features = ["defmt", "unstable-traits", "nightly", "unstable-pac", "time-driver", "pio", "critical-section-impl"] }
+embassy-usb = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy", features = ["defmt"] }
+embassy-time = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-futures = { version = "0.1.0", git = "https://github.com/embassy-rs/embassy" }
+
+usbd-hid = "0.6.1"
+
+defmt = "0.3"
+defmt-rtt = "0.4"
+
+cortex-m = { version = "0.7.6" }
+cortex-m-rt = "0.7.0"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
\ No newline at end of file
diff --git a/memory.x b/memory.x
new file mode 100644
index 0000000..070eac7
--- /dev/null
+++ b/memory.x
@@ -0,0 +1,15 @@
+MEMORY {
+    BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
+    FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100
+    RAM   : ORIGIN = 0x20000000, LENGTH = 256K
+}
+
+EXTERN(BOOT2_FIRMWARE)
+
+SECTIONS {
+    /* ### Boot loader */
+    .boot2 ORIGIN(BOOT2) :
+    {
+        KEEP(*(.boot2));
+    } > BOOT2
+} INSERT BEFORE .text;
\ No newline at end of file
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 0000000..bfe6c04
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,4 @@
+[toolchain]
+channel = "nightly-2023-04-11"
+components = [ "rust-src", "rustfmt", "llvm-tools-preview" ]
+targets = ["thumbv6m-none-eabi"]
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..2f44006
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,78 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+#![feature(never_type)]
+
+mod mouse_hid;
+
+use core::future::Future;
+
+use embassy_executor::Spawner;
+
+use embassy_futures::join::join;
+
+use embassy_rp::usb::Driver;
+use embassy_rp::{interrupt, peripherals::USB};
+
+use embassy_usb::class::hid::{HidWriter, ReportId, RequestHandler, State};
+use embassy_usb::control::OutResponse;
+use embassy_usb::{Builder, Config};
+
+use embassy_time::{Duration, Timer};
+
+use usbd_hid::descriptor::{MouseReport, SerializedDescriptor};
+
+use crate::mouse_hid::{MouseConfig, MouseHID};
+
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_rp::init(Default::default());
+
+    let mut mouse_hid = MouseHID::new(
+        p.USB,
+        MouseConfig {
+            vendor_id: 0x046d,
+            product_id: 0x101b,
+            manufacturer: "Logitech",
+            product: "Marathon Mouse/Performance Plus M705",
+            serial_number: "B14D65DA",
+        },
+    )
+    .await;
+
+    // let usb_fut = mouse_hid.run();
+
+    const PIXEL: i8 = 2;
+    const WAIT_TIME: Duration = Duration::from_secs(1);
+
+    // Do stuff with the class!
+    let hid_fut = async {
+        loop {
+            mouse_move(&mut mouse_hid, WAIT_TIME, PIXEL).await;
+            mouse_move(&mut mouse_hid, WAIT_TIME, -PIXEL).await;
+            // mouse_move(&mut mouse_hid, Duration::from_millis(50), -PIXEL).await;
+        }
+    };
+
+    // // Run everything concurrently.
+    // // If we had made everything `'static` above instead, we could do this using separate tasks instead.
+    // join(usb_fut, hid_fut).await;
+
+    hid_fut.await;
+}
+
+async fn mouse_move(mouse_hid: &mut MouseHID<'_>, duration: Duration, v: i8) {
+    Timer::after(duration).await;
+
+    let report = MouseReport {
+        buttons: 0,
+        x: 0,
+        y: v,
+        wheel: 0,
+        pan: 0,
+    };
+
+    mouse_hid.mouse_report(report).await;
+}
diff --git a/src/mouse_hid.rs b/src/mouse_hid.rs
new file mode 100644
index 0000000..dcff7e3
--- /dev/null
+++ b/src/mouse_hid.rs
@@ -0,0 +1,117 @@
+use core::future::Future;
+
+use embassy_rp::usb::Driver;
+use embassy_rp::{interrupt, peripherals::USB};
+
+use embassy_usb::class::hid::{HidWriter, ReportId, RequestHandler, State};
+use embassy_usb::control::OutResponse;
+use embassy_usb::{Builder, Config, UsbDevice};
+
+use usbd_hid::descriptor::{MouseReport, SerializedDescriptor};
+
+pub struct MouseConfig<'a> {
+    pub vendor_id: u16,
+    pub product_id: u16,
+    pub manufacturer: &'a str,
+    pub product: &'a str,
+    pub serial_number: &'a str,
+}
+
+pub struct MouseHID<'d> {
+    writer: HidWriter<'d, Driver<'d, USB>, 5>,
+    usb: UsbDevice<'d, Driver<'d, USB>>,
+
+    state: State<'d>,
+
+    device_descriptor: [u8; 256],
+    config_descriptor: [u8; 256],
+    bos_descriptor: [u8; 256],
+    control_buf: [u8; 64],
+}
+
+impl<'d> MouseHID<'d> {
+    pub async fn new(usb: USB, mouse_config: MouseConfig<'_>) -> MouseHID<'d> {
+        // Create the driver, from the HAL.
+        let irq = interrupt::take!(USBCTRL_IRQ);
+        let driver = Driver::new(usb, irq);
+
+        let mut config = Config::new(mouse_config.vendor_id, mouse_config.product_id);
+        config.manufacturer = Some(mouse_config.manufacturer);
+        config.product = Some(mouse_config.product);
+        config.serial_number = Some(mouse_config.serial_number);
+        config.device_class = 0;
+        config.device_protocol = 2;
+
+        let mut device_descriptor = [0; 256];
+        let mut config_descriptor = [0; 256];
+        let mut bos_descriptor = [0; 256];
+        let mut control_buf = [0; 64];
+
+        let request_handler = MyRequestHandler {};
+
+        let mut state = State::new();
+
+        let mut builder = Builder::new(
+            driver,
+            config,
+            &mut device_descriptor,
+            &mut config_descriptor,
+            &mut bos_descriptor,
+            &mut control_buf,
+        );
+
+        // Create classes on the builder.
+        let config = embassy_usb::class::hid::Config {
+            report_descriptor: MouseReport::desc(),
+            request_handler: Some(&request_handler),
+            poll_ms: 60,
+            max_packet_size: 8,
+        };
+
+        let writer = HidWriter::<_, 5>::new(&mut builder, &mut state, config);
+
+        // Build the builder.
+        let usb = builder.build();
+
+        MouseHID {
+            writer,
+            usb,
+
+            state,
+
+            device_descriptor,
+            config_descriptor,
+            bos_descriptor,
+            control_buf,
+        }
+    }
+
+    pub async fn run(&'d mut self) -> impl Future<Output = !> + 'd {
+        self.usb.run()
+    }
+
+    pub async fn mouse_report(&mut self, report: MouseReport) {
+        match self.writer.write_serialize(&report).await {
+            Ok(()) => {}
+            Err(_e) => (),
+        }
+    }
+}
+
+struct MyRequestHandler {}
+
+impl RequestHandler for MyRequestHandler {
+    fn get_report(&self, id: ReportId, _buf: &mut [u8]) -> Option<usize> {
+        None
+    }
+
+    fn set_report(&self, id: ReportId, data: &[u8]) -> OutResponse {
+        OutResponse::Accepted
+    }
+
+    fn set_idle_ms(&self, id: Option<ReportId>, dur: u32) {}
+
+    fn get_idle_ms(&self, id: Option<ReportId>) -> Option<u32> {
+        None
+    }
+}