Expose clutch

drivers/Cargo.toml

@@ -5,7 +5,7 @@ authors = [
     "Alexandre Marcireau",
 ]
 description = "Neuromorphic devices drivers"
-version = "0.13.0"
+version = "0.13.1"
 edition = "2021"
 license-file = "../LICENSE"
 homepage = "https://github.com/neuromorphicsystems/neuromorphic-rs/"

drivers/src/device.rs

@@ -46,6 +46,8 @@ pub trait Usb: Sized {
 
     fn backlog(&self) -> usize;
 
+    fn clutch(&self) -> usb::Clutch;
+
     fn serial(&self) -> String;
 
     fn chip_firmware_configuration(&self) -> Self::Configuration;

drivers/src/devices/prophesee_evk3_hd.rs

@@ -402,6 +402,10 @@ impl device::Usb for Device {
         self.ring.backlog()
     }
 
+    fn clutch(&self) -> usb::Clutch {
+        self.ring.clutch()
+    }
+
     fn serial(&self) -> String {
         self.serial.clone()
     }

drivers/src/devices/prophesee_evk4.rs

@@ -865,6 +865,10 @@ impl device::Usb for Device {
         self.ring.backlog()
     }
 
+    fn clutch(&self) -> usb::Clutch {
+        self.ring.clutch()
+    }
+
     fn serial(&self) -> String {
         self.serial.clone()
     }

drivers/src/usb.rs

@@ -783,6 +783,15 @@ impl Ring {
         (shared.write_range.start + shared.buffers.len() - 1 - shared.read) % shared.buffers.len()
     }
 
+    pub fn clutch(&self) -> Clutch {
+        let shared = self
+            .context
+            .shared
+            .lock()
+            .expect("ring context's lock is not poisoned");
+        shared.clutch
+    }
+
     pub fn next_with_timeout(&self, duration: &std::time::Duration) -> Option<BufferView> {
         if self
             .active_buffer_view