fix: marked 'p' in main as unusued.

changed 'p' to '_p'

.gitea/workflows/lint.yml

@@ -0,0 +1,67 @@
+
+name: Lint & Build
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+
+jobs:
+  lint:
+    name: Linting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v5
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: thumbv8m.main-none-eabihf                                    
+          components: rustfmt, clippy
+
+      - name: Install cargo sort
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-sort
+
+      - name: Install cargo machete
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cargo-machete
+
+      - name: Check formatting
+        run: cargo fmt --check
+
+      - name: Check import sorting
+        run: cargo sort --grouped --check --check-format
+      
+      - name: Check for unused dependencies
+        run: cargo machete
+
+      - name: Clippy for RP2350 ARM Cores
+        run: |
+          cargo clippy --target thumbv8m.main-none-eabihf -- -D warnings
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    needs: lint
+    
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@v5
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: thumbv8m.main-none-eabihf
+          
+      - name: Build for RP2350 ARM Cores
+        run: |
+          cargo build --target thumbv8m.main-none-eabihf  --release --locked
+   
+
+
+    
+      

Cargo.toml

@@ -3,8 +3,36 @@ name = "embassy_template"
 version = "0.1.0"
 edition = "2024"
 
+# This lists off all of the crates that come DEFAULT with the template
+# This is so machete doesn't catch them in projects that do not use the crates provided by the template. Since many are required once you go beyond getting started, a few others are nice to haves like heapless and static_cell. 
+[package.metadata.cargo-machete]
+ignored = [
+    "cortex-m",
+    "cortex-m-rt",
+    "critical-section",
+    "defmt",
+    "defmt-rtt",
+    "embassy-embedded-hal",
+    "embassy-executor",
+    "embassy-futures",
+    "embassy-rp",
+    "embassy-sync",
+    "embassy-sync",
+    "embassy-time",
+    "embassy-usb",
+    "embedded-hal-async",
+    "embedded-io-async",
+    "heapless",
+    "panic-probe",
+    "static_cell",
+]
+
 [dependencies]
+cortex-m = { version = "0.7.6", features = ["inline-asm"] }
+cortex-m-rt = "0.7.0"
+critical-section = "1.1"
 defmt = "1.1.1"
+defmt-rtt = "1.3.0"
 embassy-embedded-hal = { version = "0.6.0", features = ["defmt"] }
 embassy-executor = { version = "0.10.0", features = ["defmt"] }
 embassy-futures = { version = "0.1.2", features = ["defmt"] }
@@ -12,12 +40,8 @@ embassy-rp = { version = "0.10.0", features = ["defmt", "unstable-pac", "time-dr
 embassy-sync = { version = "0.8.0", features = ["defmt"] }
 embassy-time = { version = "0.5.1", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-usb = { version = "0.6.0", features = ["defmt"] }
-cortex-m = { version = "0.7.6", features = ["inline-asm"] }
-cortex-m-rt = "0.7.0"
-critical-section = "1.1"
-panic-probe = { version = "1.0.0", features = ["print-defmt"] }
-heapless = "0.9"
 embedded-hal-async = "1.0"
 embedded-io-async = { version = "0.7.0", features = ["defmt"] }
-defmt-rtt = "1.3.0"
+heapless = "0.9"
+panic-probe = { version = "1.0.0", features = ["print-defmt"] }
 static_cell = "2.1.1"

src/main.rs

@@ -25,7 +25,7 @@ pub static PICOTOOL_ENTRIES: [embassy_rp::binary_info::EntryAddr; 4] = [
     entry = "cortex_m_rt::entry"
 )]
 async fn main(_spawner: Spawner) {
-    let p = embassy_rp::init(Default::default());
+    let _p = embassy_rp::init(Default::default());
 
     loop {
         info!("led on!");