Add Clash numeric types plus basic impls

.github/workflows/ci.yml

@@ -367,6 +367,34 @@ jobs:
         run: |
           ./cargo.sh clippy --all-features -- -Dwarnings
 
+  rust-tests:
+    name: Rust Tests
+    runs-on: [self-hosted, compute]
+    defaults:
+      run:
+        shell: git-nix-shell {0} --ignore-environment
+    container:
+      image: ghcr.io/clash-lang/nixos-bittide-hardware:2025-12-17
+      options: --memory=15g
+    needs: [build]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - run: cache pull cargo
+      - run: cache pull build
+
+      - name: Run Rust tests (debug mode, little endian)
+        run: |
+          cd firmware-support/bittide-hal
+          cargo test --locked
+
+      - name: Run Rust tests (release mode, little endian)
+        run: |
+          cd firmware-support/bittide-hal
+          cargo test --locked --release
+
   firmware-support-tests:
     name: Firmware Support Unit Tests
     runs-on: [self-hosted, compute]
@@ -753,6 +781,7 @@ jobs:
         firmware-support-tests,
         generate-control-reports,
         haskell-tests,
+        rust-tests,
         lint,
         mdbook,
         rust-lints,

firmware-binaries/demos/clock-control/src/main.rs

@@ -5,6 +5,7 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
+use bittide_hal::manual_additions::unsigned::Unsigned;
 use core::panic::PanicInfo;
 use itertools::izip;
 
@@ -68,7 +69,7 @@ fn main() -> ! {
                 )
                 .map(|(i, counter)| {
                     if domain_diff_counters.enable(i).unwrap_or(false) {
-                        Some(counter)
+                        Some(counter.into_inner())
                     } else {
                         None
                     }
@@ -81,7 +82,8 @@ fn main() -> ! {
 
         // Store debug information. Stop capturing samples if we are stable to
         // reduce plot sizes.
-        let has_sense_of_global_time = freeze.number_of_sync_pulses_seen() != 0;
+        let has_sense_of_global_time =
+            freeze.number_of_sync_pulses_seen() != Unsigned::new(0).unwrap();
         if !prev_all_stable && has_sense_of_global_time {
             sample_store.store(&freeze, stability, callisto.accumulated_speed_requests);
         }

firmware-binaries/demos/soft-ugn-mu/Cargo.toml

@@ -10,10 +10,11 @@ license = "Apache-2.0"
 authors = ["Google LLC"]
 
 [dependencies]
-riscv-rt = "0.11.0"
+bittide-macros = { path = "../../../firmware-support/bittide-macros" }
+bittide-hal = { path = "../../../firmware-support/bittide-hal" }
 bittide-sys = { path = "../../../firmware-support/bittide-sys" }
+riscv-rt = "0.11.0"
 ufmt = "0.2.0"
-bittide-hal = { path = "../../../firmware-support/bittide-hal" }
 
 [build-dependencies]
 memmap-generate = { path = "../../../firmware-support/memmap-generate" }

firmware-binaries/demos/soft-ugn-mu/src/main.rs

@@ -5,11 +5,11 @@
 //
 // SPDX-License-Identifier: Apache-2.0
 
-use bittide_hal::hals::soft_ugn_demo_mu::DeviceInstances;
-use bittide_hal::manual_additions::calendar::RingbufferCalendar;
-use bittide_hal::shared_devices::Uart;
-use bittide_sys::link_startup::LinkStartup;
-use bittide_sys::stability_detector::Stability;
+use bittide_hal::{
+    hals::soft_ugn_demo_mu::DeviceInstances, manual_additions::calendar::RingbufferCalendar,
+    shared_devices::Uart,
+};
+use bittide_sys::{link_startup::LinkStartup, stability_detector::Stability};
 use core::panic::PanicInfo;
 use ufmt::uwriteln;
 

firmware-binaries/demos/switch-demo1-mu/src/main.rs

@@ -6,8 +6,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use bittide_hal::hals::switch_demo_mu::DeviceInstances;
-use bittide_sys::link_startup::LinkStartup;
-use bittide_sys::stability_detector::Stability;
+use bittide_sys::{link_startup::LinkStartup, stability_detector::Stability};
 use core::panic::PanicInfo;
 use ufmt::uwriteln;
 

firmware-binaries/demos/switch-demo2-mu/src/main.rs

@@ -106,7 +106,7 @@ fn main() -> ! {
                     "Capture UGN {}: local = {}, remote = {}",
                     i,
                     capture_ugn.local_counter(),
-                    capture_ugn.remote_counter()
+                    capture_ugn.remote_counter(),
                 )
                 .unwrap();
                 *done = true;

firmware-binaries/hitl-tests/clock-board/src/main.rs

@@ -78,7 +78,7 @@ fn check_frequency(
     domain_diff_counters.set_enable(0, false);
 
     let diff = match (start, end) {
-        (Some(s), Some(e)) => e - s,
+        (Some(s), Some(e)) => e.into_inner() - s.into_inner(),
         _ => return Err(FrequencyCheckError::CounterInaccessible),
     };
 

firmware-binaries/sim-tests/capture_ugn_test/src/main.rs

@@ -26,9 +26,9 @@ fn main() -> ! {
     }
     uwriteln!(
         uart,
-        "(0x{:16X},0x{:16X})",
+        "({},{})",
         capture_ugn.local_counter(),
-        capture_ugn.remote_counter()
+        capture_ugn.remote_counter(),
     )
     .unwrap();
     loop {

firmware-binaries/sim-tests/clock-control-wb/src/main.rs

@@ -74,7 +74,7 @@ fn main() -> ! {
     writeln!(uart, "]").unwrap();
 
     // Mark end of transmission - should hopefully be unique enough?
-    for _ in 0..cc.link_mask_pop_count() {
+    for _ in 0..cc.link_mask_pop_count().into_inner() {
         cc.set_change_speed(SpeedChange::NoChange);
     }
 

firmware-binaries/sim-tests/elastic_buffer_wb_test/Cargo.toml

@@ -12,9 +12,10 @@ authors = ["Google LLC"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-riscv-rt = "0.11.0"
-bittide-sys = { path = "../../../firmware-support/bittide-sys" }
 bittide-hal = { path = "../../../firmware-support/bittide-hal" }
+bittide-macros = { path = "../../../firmware-support/bittide-macros" }
+bittide-sys = { path = "../../../firmware-support/bittide-sys" }
+riscv-rt = "0.11.0"
 ufmt = "0.2.0"
 
 [build-dependencies]