testing

plot.py

@@ -1,5 +1,3 @@
-# python_live_plot.py
-
 import time
 from simple_pid import PID
 from itertools import count
@@ -11,10 +9,10 @@ import minimalmodbus
 tempSens = minimalmodbus.Instrument('/dev/ttyUSB1', 1)
 tempSens.serial.baudrate = 38400
 
-OutputDriver = minimalmodbus.Instrument('/dev/ttyUSB1', 2)
+OutputDriver = minimalmodbus.Instrument('/dev/ttyUSB1', 1)
 OutputDriver.serial.baudrate = 38400
 
-pid = PID(1, 0.01, 0, setpoint=60)
+pid = PID(10, 0.01, 0.1, setpoint=100)
 
 plt.style.use('fivethirtyeight')
 
@@ -26,32 +24,35 @@ index = count()
 
 def animate(i):
     try:
-        temp = tempSens.read_float(1)
+        temp = tempSens.read_float(1, functioncode=4, byteorder=0)
         y_values.append(temp)
         x_values.append(next(index))
-
-        print(temp, end='\t')
-        control = pid(temp)
-        if(control>100):
-            control = 100;
-        control = (control/1000.0)
-        print(control, end='\t')
-        print(0.1-control)
-
-        if(control > 0):
-            OutputDriver.write_bit(0, 1, functioncode=15)
-
-        time.sleep(control)
-
-        if(control<0.1):
-            OutputDriver.write_bit(0, 0, functioncode=15)
-    
-        time.sleep(0.1-control)
+        #print(temp)
+        print(tempSens.read_float(11, functioncode=4, byteorder=0))
+
+#        print(temp, end='\t')
+#        control = pid(temp)
+#        if(control>100):
+#            control = 100;
+#        control = (control/1000.0)
+#        if(control < 0):
+#            control = 0
+#        print(control, end='\t')
+#        print(0.1-control)
+#
+#        if(control > 0):
+#            OutputDriver.write_bit(0, 1, functioncode=15)
+#
+#        time.sleep(control)
+#
+#        if(control<0.1):
+#            OutputDriver.write_bit(0, 0, functioncode=15)
+#    
+#        time.sleep(0.1-control)
 
         plt.cla()
         plt.scatter(x_values, y_values)
-    except:
-        pass
+    except Exception as e: print(e)
 
 
 ani = FuncAnimation(plt.gcf(), animate, 2000)