fix missing openocd crash

Author: Emeteil

robot_orchestrator/firmware/openocd.py

@@ -40,6 +40,8 @@ def flash(self, image_path: Path, attempt: int) -> FlashResult:
             result = self.runner(argv, self.config.timeout_s)
         except subprocess.TimeoutExpired:
             return FlashResult(ok=False, detail=f"openocd timed out after {self.config.timeout_s}s")
+        except OSError as e:
+            return FlashResult(ok=False, detail=str(e))
 
         if result.returncode == 0:
             return FlashResult(ok=True)

robot_orchestrator/hal/real/usb.py

@@ -86,6 +86,6 @@ def target_present(self) -> bool:
         ]
         try:
             result = self.runner(argv, 5.0)
-        except subprocess.TimeoutExpired:
+        except (subprocess.TimeoutExpired, OSError):
             return False
         return result.returncode == 0