Christopher Stone · Christopher Stone · Christopher Stone · Christopher Stone
Showing 2 changed files Show diff stats
robots/little_john/telemetry/code/monitor/graph_plotter_rewrite.py
robots/little_john/telemetry/code/monitor/serialselect.py
@@ -14,14 +14,19 @@ import numpy
 import os
 import platform
 import sys
+import easygui
 from serialselect import selectserial
  
 from colours import *
  
 datafeed = selectserial()
  
-if datafeed == None:
-    print("Exiting...")
+
+if type(datafeed) is str:
+    easygui.msgbox("Failed to open serial port:\n" + datafeed, "Fatal error")
+    sys.exit()
+elif datafeed == None:
+    easygui.msgbox("Failed to open serial port for unknown reason!", "Fatal error")
     sys.exit()
  
 if platform.system()=='Windows':        #easier than passing vars
@@ -29,9 +29,7 @@ def selectserial():
         os='Other'     #may be useful
  
     if len(targetdevs) == 0:
-        print("Sorry, no serial devices found.")
-        print("Exiting...")
-        return None
+        return "Sorry, no serial devices found."
     elif len(targetdevs) > 1:
         print("Found multiple serial devices: ")
         for i, dev in enumerate(targetdevs):
@@ -46,10 +44,7 @@ def selectserial():
             except:
                 print("Choice unrecognised: please try again:")
     else:
-        if os=='Windows':
-            print("Only found one likely serial device: " + targetdevs[0])
-        else:
-            print("Only found one likely serial device: " + targetdevs[0])
+        print("Only found one likely serial device: " + targetdevs[0])
         selection = 0
  
     serialport=targetdevs[selection]
@@ -68,6 +63,4 @@ def selectserial():
         print("Sucessfully opened " + serialport + " as data source!")
         return datafeed
     except Exception as e:
-        print("Failed to access " + serialport + " because:")
-        print(e)
-        return None
+        return str(e)