ICOc: Not Specifying Any Measurement Channel Results in Crash

[sanssecours]

Description

If you disable all measurement channels in ICOc, then the program will crash.

Steps to Reproduce the Problem

1. Start ICOc

   icoc

2. Connect to a sensor device, e.g.

   1. Press 1
   2. Press p

3. Disable all measurement channels

   1. Open the channel configuration P
   2. Disable channel (3 times):
      • Press 0
      • Press ↩

4. Start the measurement: s

Expected Result

The measurement takes place.

Actual Result

The program freezes.

Possible Fix

Do not allow the user to disable all measurement channels e.g. by just restarting the configuration process (step 3), if the user disables all channels.

Todo

• [x] Check if the bug also happens if you disable all channels via CLI e.g. by writing icoc -1 0 -2 0 -3 0 …/icon -1 0 -2 0 -3 0
• [x] Fix icoc -1 0 -2 0 -3 0 …
• [x] Fix icon -1 0 -2 0 -3 0 …