more configuration options

config.py.EXAMPLE

@@ -1,13 +1,33 @@
 import logging
 
+#Logging
 log_level = logging.INFO
 log_format = '%(asctime)s %(levelname)s %(name)s: %(message)s'
 
+#Server 
+listening_ip = "0.0.0.0"
+listening_port = 8080
+
+#GPIOs
 gpio_heat = 11
 gpio_cool = 10
-gpio_air = 9
+gpio_air  = 9
 gpio_door = 18
-
 gpio_sensor_cs = 27
 gpio_sensor_clock = 22
 gpio_sensor_data = 17
+
+#PID parameters
+pid_ki = 0.1  #Integration
+pid_kd = 0.4  #Derivative
+pid_kp = 0.5  #Proportional
+
+#Simulation parameters
+sim_t_env      = 25.0   #deg C
+sim_c_heat     = 100.0  #J/K  heat capacity of heat element
+sim_c_oven     = 2000.0 #J/K  heat capacity of oven
+sim_p_heat     = 3500.0 #W    heating power of oven
+sim_R_o_nocool = 1.0    #K/W  thermal resistance oven -> environment
+sim_R_o_cool   = 0.05   #K/W  " with cooling
+sim_R_ho_noair = 0.1    #K/W  thermal resistance heat element -> oven
+sim_R_ho_air   = 0.05   #K/W  " with internal air circulation

oven.py

@@ -54,7 +54,7 @@ class Oven (threading.Thread):
         self.set_heat(False)
         self.set_cool(False)
         self.set_air(False)
-        self.pid = PID(ki=0.1,kd=0.5,kp=0.4)
+        self.pid = PID(ki=config.pid_ki,kd=config.pid_kd,kp=config.pid_kp)
 
     def run_profile(self, profile):
         log.info("Running profile %s"%profile.name)
@@ -182,14 +182,14 @@ class TempSensorSimulate(TempSensor):
         self.sleep_time = sleep_time
 
     def run(self):
-        t_env = 25.0 #deg C
-        c_heat = 100.0 #J/K  heat capacity of heat element
-        c_oven = 2000.0 #J/K heat capacity of oven
-        p_heat = 3500.0 #W   heating power of oven
-        R_o_nocool = 1.0 #K/W  thermal resistance oven -> environment
-        R_o_cool = 0.05 #K/W  thermal resistance oven -> environment
-        R_ho_noair = 0.1 #K/W thermal resistance heat element -> oven
-        R_ho_air = 0.05 #K/W
+        t_env      = config.sim_t_env
+        c_heat     = config.sim_c_heat
+        c_oven     = config.sim_c_oven
+        p_heat     = config.sim_p_heat
+        R_o_nocool = config.sim_R_o_nocool
+        R_o_cool   = config.sim_R_o_cool
+        R_ho_noair = config.sim_R_ho_noair
+        R_ho_air = config.sim_R_ho_air
 
         t = t_env #deg C  temp in oven
         t_h = t #deg C temp of heat element

picoreflowd.py

@@ -153,8 +153,8 @@ def save_profile(profile, force=False):
     return True
 
 def main():
-    ip = "0.0.0.0"
-    port = 8080
+    ip = config.listening_ip
+    port = config.listening_port
     log.info("listening to %s:%d"%(ip,port))
     
     server = WSGIServer((ip,port), app,