def state_1(self): global command, state, sensors, data, pp, tmp, hvgv, vv data = [timestamp_sensors, sensors[1], sensors[2], sensors[3], hvgv, vv, pp, tmp] out = "/media/pi/KINGSTON/VACUUM_CONTROLLER/LOG" print "STATE 1 : ESTABLISH VACUUM\n" LCD_DISPLAY.main("STATE 1") # Display LCD : STATE 1 # Safety Check # Update command log state = "STATE 1" thread_command_write = DATA_ACQUISITION_BACKUP.CommandWrite(data, out) thread_command_write.start() # Start Data acquisition thread_physical_write = DATA_ACQUISITION_BACKUP.PhysicalWrite(data, out, state) thread_physical_write.start() ACTIONS.pp_on() start_time = time.time() while sensors[3] < sensors[1]: # Error log WAIT_ROUTINE.wait_routine(state) elapsed_time = time.time() - start_time if elapsed_time > (3600*5): # Check if pp switch ON for more than 5 hours # Error log STATE_4.state_4() # Go to STATE 4 : SAFE STATE ACTIONS.hvgv_on() start_time = time.time() while sensors[1] > 10^(-1): # Error log WAIT_ROUTINE.wait_routine(state) elapsed_time = time.time() - start_time if elapsed_time > (3600*5): # Check if pp switch ON for more than 5 hours # Error log STATE_4.state_4() # Go to STATE 4 : SAFE STATE ACTIONS.tmp_on() start_time = time.time() while sensors[2] > 10^(-4): # Error log WAIT_ROUTINE.wait_routine(state) elapsed_time = time.time() - start_time if elapsed_time > (3600*60): # Check if pp switch ON for more than 60 hours # Error log STATE_4.state_4() # Go to STATE 4 : SAFE STATE while sensors[2] > 10^(-5): WAIT_ROUTINE.wait_routine(state) STATE_2.state_2() # Go to STATE 2 : Maintain Vacuum