def __init__(self):
self.log = Logger("logs/controllerlog","txt", True)
self.piFaceController = RPIFaceDigitalController()
self.tlock = threading.Lock()
class PeripheralController:
exitThread = False
tlock = None
log = None
MOD_NAME = "PERCON"
dbgcounter = 0;
piFaceController = None
peripheralThread = None
loadSchedule = False
localPeripherals = None
p_timers = []
p_pschedules = [] #PeripheralSchedulesObject
def __init__(self):
self.log = Logger("logs/controllerlog","txt", True)
self.piFaceController = RPIFaceDigitalController()
self.tlock = threading.Lock()
def join(self):
if(self.peripheralThread != None):
self.peripheralThread.join()
def threaded_function(self):
self.localPeripherals = LocalPeripherals(self.log)
self.localPeripherals.load()
self.localPeripherals.initSwitchPeripherals(switch_callback);
self.setLoadSchedules()
self.exitThread = False
self.log.write(self.MOD_NAME, "starting timer thread loop for peripheral controls")
while self.exitThread == False:
self.checkSchedules()
# timer override the schedules in case it is on
self.checkTimers()
if(self.dbgcounter == 2):
self.dbgcounter = 0
message = ""
if(self.p_timers == None):
message = message + "No timer"
else:
count = len(self.p_timers)
message = message + str(count) + " timer(s)"
self.log.write(self.MOD_NAME, "loop: "+ message)
self.dbgcounter+= 1
time.sleep(5)
self.log.write(self.MOD_NAME, "exiting thread loop")
# self.testCallback();
def testCallback(self):
switch_callback(4);
def getPeripheralStatus(self, port):
retval = "off"
if(self.piFaceController.getPortStatus(int(port))):
retval = "on"
return retval;
def getSummaryVerbose(self):
text = "";
port1 = self.piFaceController.getPortStatus(0);
port2 = self.piFaceController.getPortStatus(1);
if(port1):
text = "Valve 1 is on.";
else:
text = "Valve 1 is off.";
if(port2):
text += " Valve 2 is on.";
else:
text += " Valve 2 is off.";
return text;
def turnOffPeripheral(self, peripheralObject):
# remove all timers associate to this peripheral
self.tlock.acquire()
if(self.p_timers != None):
try:
self.log.write(self.MOD_NAME, "turn off peripheral");
count = len(self.p_timers);
for i in range(count-1,-1,-1):
pto = self.p_timers[i];
portid = pto.getPeripheralSerialID();
# self.log.write(self.MOD_NAME, "here");
self.log.write(self.MOD_NAME,type(pto.peripheral));
self.log.write(self.MOD_NAME,type(peripheralObject));
if(peripheralObject.devid == pto.peripheral.devid):
#delete
self.log.write(self.MOD_NAME, "turn off (deleting)");
self.turnPeripheralOff(pto.peripheral);
# if(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_RELAY):
# setGPIOLow(self.pto.getPeripheralGPIO());
# elif(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_PIFACE_RELAY):
# self.piFaceController.turnOffOutput(int(portid))
del self.p_timers[i]
except:
self.log.write(self.MOD_NAME, "turn off peripheral. exception");
self.tlock.release()
def addOneTimer(self, peripheralObject, duration):
pto = PeripheralTimerObject(peripheralObject, duration)
self.log.write(self.MOD_NAME, "init relay timer for: "+ str(duration));
self.tlock.acquire()
self.p_timers.append(pto)
# pdb.set_trace()
self.tlock.release()
def checkTimers(self):
# pdb.set_trace()
self.tlock.acquire()
if(self.p_timers != None):
# self.log.write(self.MOD_NAME, "got timer");
count = len(self.p_timers);
for i in range(count-1,-1,-1):
pto = self.p_timers[i];
portid = pto.getPeripheralSerialID();
if(pto.isExpired() == True):
#delete
self.log.write(self.MOD_NAME, "Turning off (expired)");
self.turnPeripheralOff(pto.peripheral);
# if(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_RELAY):
# setGPIOLow(pto.getPeripheralGPIO());
# elif(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_PIFACE_RELAY):
# self.piFaceController.turnOffOutput(int(portid))
# else:
# self.log.write(self.MOD_NAME, "Not action (A) for peipheral type:" + pto.getPeripheralType());
del self.p_timers[i]
else:
self.turnPeripheralOn(pto.peripheral);
#if(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_RELAY):
# self.log.write(self.MOD_NAME, "Turning on GPIO ");
# self.log.write(self.MOD_NAME, pto.getPeripheralGPIO());
# setGPIOHigh(pto.getPeripheralGPIO());
# elif(pto.getPeripheralType() == LocalPeripherals.PERI_TYPE_OUT_PIFACE_RELAY):
# self.log.write(self.MOD_NAME, "Turning on (PIFACE) ");
# self.piFaceController.turnOnOutput(int(portid))
# else:
# self.log.write(self.MOD_NAME, "Not action (B) for peipheral type:" + pto.getPeripheralType());
#turn on
self.tlock.release()
def setLoadSchedules(self):
self.tlock.acquire()
self.loadSchedule = True
self.tlock.release()
_schedulesmessagecounter = 0
def checkSchedules(self):
if(self.loadSchedule == True):
self.loadSchedule = False
self.loadSchedules()
self.tlock.acquire()
for periSched in self.p_pschedules:
# pdb.set_trace()
if(periSched != None):
periobj = self.localPeripherals.findPeripheral(periSched._peripheralID)
if(periSched.isItTime() == True):
if(self._schedulesmessagecounter == 20):
self._schedulesmessagecounter = 0;
self.log.write(self.MOD_NAME, "**** schedule to open peripheral ****")
self._schedulesmessagecounter = self._schedulesmessagecounter + 1
self.log.write(self.MOD_NAME, "schedule turning valve on" + periobj.serialid)
self.turnPeripheralOn(periobj);
# self.rpiController.turnOnOutput(int(periobj.serialid))
else:
self.turnPeripheralOff(periobj);
# self.rpiController.turnOffOutput(int(periobj.serialid))
self.tlock.release()
def turnPeripheralOn(self, periobj):
if(periobj.ptype == LocalPeripherals.PERI_TYPE_OUT_SAINTSMART_RELAY):
self.log.write(self.MOD_NAME, "Turning on GPIO " + periobj.pgpio);
self.log.write(self.MOD_NAME, periobj.pgpio);
#Saintsmart relay turn on when gpio is low
setGPIOLow(periobj.pgpio);
elif(periobj.ptype == LocalPeripherals.PERI_TYPE_OUT_PIFACE_RELAY):
self.log.write(self.MOD_NAME, "Turning on (PIFACE relay) ");
self.piFaceController.turnOnOutput(int(periobj.serialid))
else:
self.log.write(self.MOD_NAME, "Not action (B) for peipheral type:" + pto.getPeripheralType());
def turnPeripheralOff(self, periobj):
if(periobj.ptype == LocalPeripherals.PERI_TYPE_OUT_SAINTSMART_RELAY):
self.log.write(self.MOD_NAME, "Turning OFF GPIO "+ periobj.pgpio);
#Saintsmart relay turn off when gpio is high
setGPIOHigh(periobj.pgpio);
elif(periobj.ptype == LocalPeripherals.PERI_TYPE_OUT_PIFACE_RELAY):
self.log.write(self.MOD_NAME, "Turning OFF (PIFACE relay) ");
self.piFaceController.turnOffOutput(int(periobj.serialid))
else:
self.log.write(self.MOD_NAME, "Not action (A) for peipheral type:" + pto.getPeripheralType());
def loadSchedules(self):
self.tlock.acquire()
self.p_pschedules = []
self.log.write(self.MOD_NAME, "---- load schedules")
peripherals = self.localPeripherals.getPeripherals()
sce = Schedules(self.log)
for periObj in peripherals:
schedules = sce.loadSchedulesForPeripheral(periObj.devid)
self.p_pschedules.append(schedules)
self.tlock.release()
def startThread(self):
if(self.peripheralThread == None):
self.peripheralThread = Thread(target = self.threaded_function, args = [])
self.peripheralThread.start()
def stopThread(self):
self.piFaceController.stop();
if(self.peripheralThread != None):
with self.tlock:
self.exitThread = True
