ci: Setup Linting and Build Test for RP2350. (#2)

Reviewed-on: #2
Co-authored-by: Melfely <bug362@outlook.com>

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!");