class Regulation(object):
def __init__(self, hot, mash, boil):
self.hot = hot
self.mash = mash
self.boil = boil
self.lld = LLD()
self.sample_time = 5
hot.setSampleTime(self.sample_time)
mash.setSampleTime(self.sample_time)
boil.setSampleTime(self.sample_time)
thread = threading.Thread(target=self.update_pid, args=())
thread.daemon = True # Daemonize thread
thread.start() # Start the execution
def set_resistors(self, tanks, cycles):
tanks[0].resistor_duty = cycles[0]
tanks[1].resistor_duty = cycles[1]
tanks[2].resistor_duty = cycles[2]
self.lld.set_resistors_duty(cycles)
def update_pid(self):
hot = self.hot
mash = self.mash
boil = self.boil
tanks = (mash, boil, hot)
lld = self.lld
while True:
hot.update_pid(lld.get_temperature(hot))
mash.update_pid(lld.get_temperature(mash))
boil.update_pid(lld.get_temperature(boil))
max_duty = 1
if (mash.output >= max_duty):
self.set_resistors(tanks, (max_duty, 0, 0))
elif (mash.output + boil.output >= max_duty):
self.set_resistors(tanks, (mash.output, max_duty - mash.output, 0))
elif (mash.output + boil.output + hot.output >= max_duty):
self.set_resistors(tanks, (mash.output, boil.output, max_duty - mash.output - boil.output))
else:
self.set_resistors(tanks, (mash.output, boil.output, hot.output))
time.sleep(self.sample_time)
def __init__(self, hot, mash, boil):
self.hot = hot
self.mash = mash
self.boil = boil
self.lld = LLD()
self.sample_time = 5
hot.setSampleTime(self.sample_time)
mash.setSampleTime(self.sample_time)
boil.setSampleTime(self.sample_time)
thread = threading.Thread(target=self.update_pid, args=())
thread.daemon = True # Daemonize thread
thread.start() # Start the execution
def setUp(self):
self.lld = LLD()
self.hot = FakeTank("Hot")
self.mash = FakeTank("Mash")
self.boil = FakeTank("Boil")
class LLDTest(unittest.TestCase):
def setUp(self):
self.lld = LLD()
self.hot = FakeTank("Hot")
self.mash = FakeTank("Mash")
self.boil = FakeTank("Boil")
def check_one_resistor(self, tank, m, b, h):
tanks = (self.mash, self.boil, self.hot)
print("Set " + tank.tank_name + " at 20%")
self.lld.set_resistors_duty(tanks, (m, b, h))
assert(input("Is tank " + tank.tank_name + " at 20 % ? [y/n]") == "y")
print("Set " + tank.tank_name + " at 0%")
self.lld.set_resistors_duty(tanks, (0, 0, 0))
assert(input("Is tank " + tank.tank_name + " at 0 % ? [y/n]") == "y")
def test_resistor(self):
''' Check resistor duty cycle '''
self.check_one_resistor(self.hot, 0, 0, 0.2)
#self.check_one_resistor(self.mash, 0.2, 0, 0)
#self.check_one_resistor(self.boil, 0, 0.2, 0)
def check_one_temperature(self, tank):
temp = self.lld.get_temperature(tank)
assert(input("Is tank " + tank.tank_name + " at "+ temp +"C ? [y/n]") == "y")
def test_temperature(self):
''' Read temperatures '''
t = self.lld.get_temperature(self.hot)
assert(input("Is hot tank temp at " + str(t) + " ? [y/n]") == "y")
t = self.lld.get_temperature(self.mash)
assert(input("Is mash tank temp at " + str(t) + " ? [y/n]") == "y")
t = self.lld.get_temperature(self.boil)
assert(input("Is boil tank temp at " + str(t) + " ? [y/n]") == "y")
def test_pump(self):
''' Test pump '''
self.lld.pump_switch(True)
assert(input("Is pump ON ? [y/n]") == "y")
self.lld.pump_switch(False)
assert(input("Is pump OFF ? [y/n]") == "y")
def check_valve(self, tank):
self.lld.valve_switch(tank, False)
assert(input("Is valve "+ tank.tank_name +" OFF ? [y/n]") == "y")
self.lld.valve_switch(tank, True)
assert(input("Is valve "+tank.tank_name+" ON ? [y/n]") == "y")
def test_valve(self):
''' Test valves '''
self.check_valve(self.hot)
self.check_valve(self.mash)
#self.check_valve(self.boil)
def check_one_dosage(self, tank):
print("Start dosing 2 liters in "+ tank.tank_name)
print("No message should appear before job is done....")
self.lld.dose_water_blocking(tank, 2)
assert(input("Do you have 2 liters in "+tank.tank_name+" ? [y/n]") == "y")
def test_dosage(self):
assert(input("This test will dose 2 liter per tank. Continue ? [y/n]") == "y")
self.check_one_dosage(self.hot)
self.check_one_dosage(self.mash)