main: rename imu_off to no_imu (doesn't actually disable if enabled)

src/main.rs

@@ -36,14 +36,14 @@ struct Args {
     dump: bool,
 
     /// If set, doesn't init the IMU
-    imu_off: bool,
+    no_imu: bool,
     /// Dumps every N hid messages
     hid: Option<usize>,
 }
 
 fn main() -> Result<(), Box<dyn Error>> {
     #[rustfmt::skip]
-    let Args { verbose, dump, imu_off, hid } = Args::from_args();
+    let Args { verbose, dump, no_imu, hid } = Args::from_args();
 
     let mut devices = vec![];
 
@@ -54,7 +54,7 @@ fn main() -> Result<(), Box<dyn Error>> {
             println!("Found player {}: {device:?}!", devices.len() + 1);
             let device = device.open()?;
             let controller = Controller::new(&device);
-            controller.verbose(verbose).init(!imu_off)?;
+            controller.verbose(verbose).init(!no_imu)?;
             device.claim_interface(1)?;
 
             devices.push(device);
@@ -148,6 +148,7 @@ fn make_path<Ctx: rusb::UsbContext>(device: &rusb::DeviceHandle<Ctx>) -> rusb::R
     Ok(out_path)
 }
 
+/// Reads all HID reports, dumping every_nth report.
 fn hid_dump<Ctx: UsbContext>(device: Controller<Ctx>, every_nth: usize) -> rusb::Result<()> {
     device.detach().ok(); // may or may not have a kernel driver
     let mut stdout = std::io::stdout().lock();