def __init__(self):
# call parent constructor
super().__init__()
# initialize working classes
self.state_ctrl = StateCtrl(self.config)
# setup RPi
# don't do this in RemoteDriver because this has multiple instances
# use P1 header pin numbering convention
GPIO.setmode(GPIO.BOARD)
# reset all pins to inputs at exit
atexit.register(GPIO.cleanup)
class RemoteCtrl(StandardScript):
# time delay between invoking remote threads
# this inhibits synchronous RF commands which conflicts with supply power
REMOTE_THREAD_DELAY = 2 # seconds
def __init__(self):
# call parent constructor
super().__init__()
# initialize working classes
self.state_ctrl = StateCtrl(self.config)
# setup RPi
# don't do this in RemoteDriver because this has multiple instances
# use P1 header pin numbering convention
GPIO.setmode(GPIO.BOARD)
# reset all pins to inputs at exit
atexit.register(GPIO.cleanup)
def process(self, desired_state = None):
try:
# read desired state switches
self.state_ctrl.get_switching_commands(desired_state)
# are switching commands necessary?
if len(self.state_ctrl.cmds):
# determine remote commands
command_ctrl = CommandCtrl(self.config)
command_ctrl.derive_remote_commands(self.state_ctrl.cmds)
# control remotes
drivers_running = []
for remote_cmds in command_ctrl.cmds:
remote_parameter = self.config['REMOTES'][remote_cmds['id']]
driver = RemoteDriver(remote_cmds['id'], remote_parameter, remote_cmds['cmds'])
# invoke background thread to control the remote
driver.start()
drivers_running.append(driver)
# delay to have next remote started acyclic
# to avoid same time RF commands
time.sleep(self.REMOTE_THREAD_DELAY)
# wait until remote threads are finished
for cur_thread in drivers_running:
cur_thread.join()
else:
logging.getLogger().debug("No switching necessary.")
# store desired states
# we do this even if we did not switch anything to initialize the storage if needed
self.state_ctrl.store_desired_states()
except Exception as e:
logging.getLogger().error(traceback.format_exc())
raise
# return the number of executed remote commands
return len(self.state_ctrl.cmds)
