Changes between Version 33 and Version 34 of Other/Summer/2023/SelfDriving

Timestamp:

Aug 2, 2023, 3:50:05 PM (2 years ago)

Author:

tochu

Comment:

—

Other/Summer/2023/SelfDriving

@@ -212 +212 @@
 
 
-6. Use **arduino-cli board** list command to find the port of the Teensy
+6. Use **arduino-cli board list** command to find the port of the Teensy
 
 -> Modify the sketch.yaml file in the ./teensy directory to makes sure default_port and default_fqbn matches what is listed from **arduino-cli board list**
@@ -254 +254 @@
 
 2. Open a web brower and go to {ip}:5000 to view
+
+===== Troubleshooting =====
+
+1. "SerialException: Device reports readiness to read but returned no data"
+
+ROS will not be able to communicate with serial if there is another service using the port, i.e. Serial Monitor
+
+- Use lsof to check with programs are using the port `lsof /dev/ttyACM0`
+- Kill the program that is using the port `kill {PID}`
+
+2. "socket.error: [Errno 48] Address already in use"
+
+Flask server was not properly stopped before starting it again
+
+ - Close the connection `sudo fuser -k 5000/tcp`
+
+ - [https://stackoverflow.com/questions/34457981/trying-to-run-flask-app-gives-address-already-in-use More Info]