Patch - serial port already in use

LatentDream · Jan 8, 2024 · 3e29f48 · 3e29f48
1 parent 2b60d1a
commit 3e29f48
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/captain/services/hardware.py b/captain/services/hardware.py
@@ -1,6 +1,7 @@
 import subprocess
 from sys import platform
 import os
+import logging
 
 import cv2
 import pyvisa
@@ -49,6 +50,7 @@ def get_serial_devices(self) -> list[SerialDevice]:
 
     def get_visa_devices(self) -> list[VISADevice]:
         """Returns a list of VISA devices connected to the system."""
+        logging.info("Get devices")
         rm = pyvisa.ResourceManager("@py")
         devices = []
         used_addrs = set()
@@ -67,8 +69,9 @@ def get_visa_devices(self) -> list[VISADevice]:
                 )
                 device.close()
                 used_addrs.add(addr)
-            except pyvisa.VisaIOError:
-                pass
+            except (pyvisa.VisaIOError, serial.serialutil.SerialException) as e:
+                # Warning for PermissionError(13, 'Access is denied.', None, 5) when CAN2USB is already use elsewhere
+                logging.warning(f"{e}")
 
         return devices