Update from actual testing

kiln/bisque_firing_06.py

@@ -1,6 +1,7 @@
 import manager
 import thermo
 import sys
+import time
 
 if __name__ == "__main__":
 	start_time = None
@@ -9,6 +10,8 @@ if __name__ == "__main__":
 	schedule = [[2*60*60, 176], [4*60*60, 620], [6*60*60, 1013], [6*60*60+20*60, 1013]]
 	mon = thermo.Monitor()
 	mon.start()
+	time.sleep(1)
 	#schedule = [[20, 176], [40, 620], [60, 1013]]
 	kiln = manager.KilnController(schedule, mon, start_time=start_time, simulate=False)
-	kiln.run()
+	kiln.run()
+	mon.stop()

kiln/manager.py

@@ -17,7 +17,7 @@ class KilnController(object):
 		if simulate:
 			self.schedule.insert(0, [0, 15])
 		else:
-			self.schedule.insert(0, [0, self.monitor.temperature])
+			self.schedule.insert(0, [0, 15])
 
 	@property
 	def elapsed(self):
@@ -34,13 +34,12 @@ class KilnController(object):
 				#find epoch
 				for i in range(len(self.schedule)-1):
 					if self.schedule[i][0] < ts < self.schedule[i+1][0]:
-						print "In epoch %d"%i
 						time0, temp0 = self.schedule[i]
 						time1, temp1 = self.schedule[i+1]
 						frac = (ts - time0) / (time1 - time0)
 						setpoint = frac * (temp1 - temp0) + temp0
 						self.pid.setPoint(setpoint)
-
+						print "In epoch %d, elapsed time %f, temperature %f"%(i, ts, setpoint)
 						if self.simulate:
 							temp = setpoint + random.gauss(-20, 15)
 						else:
@@ -49,7 +48,7 @@ class KilnController(object):
 						pid_out = self.pid.update(temp)
 						if pid_out < 0: pid_out = 0
 						if pid_out > 1: pid_out = 1
-						self.regulator.set(pid_out)
+						self.regulator.set(pid_out, block=True)
 
 				time.sleep(self.interval - (time.time()-now))
 		except:

kiln/stepper.py

@@ -16,7 +16,7 @@ class Stepper(threading.Thread):
         [0,0,1,1],
         [1,0,0,1]]
 
-    def __init__(self, pin1=5, pin2=6, pin3=13, pin4=19, timeout=5):
+    def __init__(self, pin1=5, pin2=6, pin3=13, pin4=19, timeout=1):
         self.queue = Queue.Queue()
         self.finished = threading.Event()
         
@@ -137,7 +137,7 @@ class StepperSim(object):
 
 
 class Regulator(object):
-    def __init__(self, maxsteps=4500, minsteps=2400, speed=150, ignite_pin=None, simulate=False):
+    def __init__(self, maxsteps=4500, minsteps=2480, speed=150, ignite_pin=None, simulate=False):
         """Set up a stepper-controlled regulator. Implement some safety measures
         to make sure everything gets shut off at the end
 
@@ -180,7 +180,7 @@ class Regulator(object):
         time.sleep(delay)
         if self.ignite_pin is not None:
             GPIO.output(self.ignite_pin, False)
-        self.stepper.step(self.min - start, self.speed)
+        self.stepper.step(self.min - start, self.speed, block=True)
         self.current = self.min
         print "Done!"