Renamed serial polling code, and moved it to a separate module

Christopher Stone
1 parent 2bd76084
Showing 2 changed files with 52 additions and 37 deletions Show diff stats
robots/little_john/telemetry/code/monitor/version1/getdata.py
robots/little_john/telemetry/code/monitor/version1/main.py
@@ -0,0 +1,47 @@
+# Functions to process data coming in from a serial data stream
+# Written as a telemetry tool by:
+# The UoN Robot Wars Project, 2018
+
+import logging
+import os
+import time
+import serial
+#from serialselect import selectserial
+
+def getData(starttime, datafeed, testseries, testseries2, fake=False):
+    """Check serial port for incoming data"""
+    # Note: 'elapsed' is time since last call of this function
+    # This works, but it might be better for performance to have two seperate functions, only one of which is run.
+    if fake:
+        timefromstart = (time.time()-starttime)
+        values = [timefromstart, 100*math.sin(timefromstart)]
+        #logging.info("Generated test data: " + str(values))
+        testseries.addpoint(values)
+        testseries2.addpoint(values)
+    else:
+        try:
+            incoming = datafeed.readline()
+        except:
+            logging.error("Failed to read input data")
+            
+        try:
+            if os=='Windows':
+                values = incoming.strip().split(b", ")
+            else:
+                values = incoming.strip()
+                values = values.split(b', ')
+        except:
+            logging.error("Failed to parse input data")
+            return
+        
+        try:
+            for n, value in enumerate(values):
+                values[n] = float(value)
+        except:
+            logging.error("Failed to convert input to float")
+            return
+        #logging.info("Recieved data: " + str(values))
+        testseries.addpoint([time.time()-starttime] + values)
+        testseries2.addpoint(values)
+
+    
@@ -23,6 +23,7 @@ from serialselect import selectserial
 from colours import *
 from series import Series
 from plot import Plot
+from getdata import getData
  
 logging.basicConfig(format='%(levelname)s:\t%(message)s', level=logging.DEBUG)
 logging.info("Logging system active")
@@ -50,45 +51,12 @@ plots = []
 plots.append(Plot(testseries))
 plots.append(Plot(testseries2))
  
+# Yes I know these are absurd placeholder names. I'm leaving it like that for the moment because I'm not sure if this is really the only (or best) way to achive the desired result. clock.schedule_interval takes a function, not the result of the function as its argument, so how can you pass arguments to it?
  
-def pollSerial(elapsed):
-    """Check serial port for incoming data"""
-    # Note: 'elapsed' is time since last call of this function
-    # This works, but it might be better for performance to have two seperate functions, only one of which is run.
-    try:
-        incoming = datafeed.readline()
-    except:
-        logging.error("Failed to read input data")
-        
-    try:
-        if os=='Windows':
-            values = incoming.strip().split(b", ")
-        else:
-            values = incoming.strip()
-            values = values.split(b', ')
-    except:
-        logging.error("Failed to parse input data")
-        return
-    
-    try:
-        for n, value in enumerate(values):
-            values[n] = float(value)
-    except:
-        logging.error("Failed to convert input to float")
-        return
-    #logging.info("Recieved data: " + str(values))
-    testseries.addpoint([time.time()-starttime] + values)
-    testseries2.addpoint(values)
-
-    
-def fakePollSerial(elapsed):
-    """This function immitates the behaviour of pollSerial, for testing purposes"""
-    timefromstart = (time.time()-starttime)
-    values = [timefromstart, 100*math.sin(timefromstart)]
-    #logging.info("Generated test data: " + str(values))
-    testseries.addpoint(values)
+def shrubbery(ni):
+    getData(starttime, datafeed, testseries, testseries2)
  
 # Pyglet looks after the main event loop, but this ensures that data keeps being read in
-pyglet.clock.schedule_interval(pollSerial, 0.01)
+pyglet.clock.schedule_interval(shrubbery, 0.01)
  
 pyglet.app.run()