Minor adjustments, cleaning up, and changes to the error-handling system in the …

…wake of the latest live-plot demo work

Minor adjustments, cleaning up, and changes to the error-handling system in the …
…wake of the latest live-plot demo work
Christopher Stone
1 parent d9d09665
Showing 4 changed files with 34 additions and 13 deletions Show diff stats
robots/little_john/telemetry/code/monitor/version1/main.py
robots/little_john/telemetry/code/monitor/version1/plot.py
robots/little_john/telemetry/code/monitor/version1/series.py
robots/little_john/telemetry/code/robot/analogread_demo/analogread_demo.ino
@@ -40,32 +40,46 @@ else:
     os='Other'
 logging.info('OS = ' + os)
  
-testseries = Series(points=150, ylimits=(0, 1024), title="Data from serial", xname="Time (s)", yname="ADC output")
+
+testseries = Series(points=150, xauto=True, ylimits=(0, 1024),
+                    title="Data from serial (time)", xname="Time (s)", yname="ADC output")
+testseries2 = Series(points=150, xlimits=(0, 1024), ylimits=(0, 1024),
+                     title="Data from serial (xy)", xname="ADC0 output", yname="ADC7 output")
+
 plots = []
 plots.append(Plot(testseries))
+plots.append(Plot(testseries2))
+
  
 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 = datafeed.readline().strip().split(b", ")
+            values = incoming.strip().split(b", ")
         else:
-            values = datafeed.readline().strip()
+            values = incoming.strip()
             values = values.split(b', ')
     except:
-        logging.error("Failed to recieve or parse input data")
+        logging.error("Failed to parse input data")
         return
  
-    for n, value in enumerate(values):
-        try:
+    try:
+        for n, value in enumerate(values):
             values[n] = float(value)
-        except:
-            logging.error("Failed to convert input to float")
-            return
+    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"""
@@ -64,7 +64,7 @@ class Plot(pyglet.window.Window):
  
         pyglet.gl.glLineWidth(2)
  
-        linecolours = [(255, 0, 0, 255, 0, 0), (0, 0, 255, 0, 0, 255)]
+        linecolours = [(255, 0, 0, 255, 0, 0), (0, 220, 0, 0, 220, 0), (0, 0, 255, 0, 0, 255)]
  
         try:
             for m in range(len(series.data[0])-1):
@@ -5,7 +5,9 @@
 import logging
  
 class Series:
-    def __init__(self, points=100, xlimits=(0, 100), ylimits=(0, 100), title="Series title", xname="x-axis name", yname="y-axis name"):
+    def __init__(self, points=100, xlimits=(0, 100), ylimits=(0, 100),
+                 xauto=False, yauto=False,
+                 title="Series title", xname="x-axis name", yname="y-axis name"):
         """Set up an object to store a 2D data series"""
         # Proposal:
         #   In order to neatly handle multiple lines on the same graph
@@ -24,6 +26,8 @@ class Series:
         self.ylimits = ylimits
         self.data = []
         self.points = points
+        self.xauto = xauto
+        self.yauto = yauto
  
         logging.info("Created series: " + title)
  
@@ -33,7 +37,10 @@ class Series:
         if len(self.data) > self.points:
             del self.data[0]
         try:
-            self.autoscale(0)
+            if self.xauto:
+                self.autoscale(0)
+            if self.yauto:
+                self.autoscale(1)
         except:
             logging.error("Series autoscale failed")
  
@@ -23,5 +23,5 @@ void loop() {
   Bluetooth.print(a0value);
   Bluetooth.print(", ");
   Bluetooth.println(a7value);
-  delay(100);
+  delay(180);
 }