Fix clippy lints

hangman/.cargo/config → hangman/.cargo/config.toml

@@ -19,7 +19,7 @@ runner = "probe-rs run --chip nRF52832_xxAA"
 target = "thumbv7em-none-eabihf"     # Cortex-M4F and Cortex-M7F (with FPU)
 
 [env]
-ADVERTISED_NAME = "Progressor_1719"
+ADVERTISED_NAME = "Progressor_1234"
 DEVICE_ID = "42"
 DEVICE_VERSION_NUMBER = "1.2.3.4"
 CALIBRATION_CURVE = "FFFFFFFFFFFFFFFF00000000"

hangman/src/button.rs

@@ -72,6 +72,13 @@ impl Button {
         &port.pin_cnf[usize::from(self.pin_number)]
     }
 
+    /// Enable pin sensing mechanism (SENSE) for button's pin. Useful for allowing button to wake
+    /// MCU from sleep modes.
+    ///
+    /// # Safety
+    ///
+    /// This breaks invariants in the embassy hal's GPIO driver. One should disable the sense line
+    /// before using the embassy hal's GPIO driver, including pin re-initialization after wakeup.
     pub unsafe fn enable_sense(&mut self) {
         let cfg = unsafe { self.steal_pin_cnf() };
         match self.polarity {

hangman/src/util.rs

@@ -14,6 +14,12 @@
 
 use crate::pac;
 
+/// Disable pin sensing mechanism (SENSE) for all GPIO pins, matching the default on-reset state.
+///
+/// # Safety
+///
+/// This may break invariants in the embassy hal's GPIO driver. Recommended to only use this before
+/// system off or at wakeup before performing any GPIO initialization.
 pub unsafe fn disable_all_gpio_sense() {
     #[cfg(feature = "nrf52840")]
     {

hangman/src/weight/mod.rs

@@ -37,7 +37,7 @@ pub use task::task_function;
 static SAMPLING_INTERVAL_HZ: OnceCell<usize> = OnceCell::new();
 // Temporary defaults for test load cell
 // TODO: provide better defaults for Hangman P1_0
-pub const DEFAULT_CALIBRATION_M: f32 = 4.6750380809321235e-06;
+pub const DEFAULT_CALIBRATION_M: f32 = 4.675_038e-6;
 pub const DEFAULT_CALIBRATION_B: i32 = -100598;
 
 type RawReading = i32;