def return_state():
global g_pingStarted, g_pingFailCount, g_buttonsConnected, g_gpioHandler
fields = 0;
if relayExp.readChannel(g_relayAddress, 0) == 1:
fields = 1 << 0
if relayExp.readChannel(g_relayAddress, 1) == 1:
fields = 1 << 1
if g_gpioHandler.getValue() == 1:
fields = 1 << 2
relaystate = str(fields).encode('ascii')
print("Sending state of " + relaystate)
client.publish("aquarium/state", relaystate, 1, True)
g_pingStarted = True
g_buttonsConnected = True
def turn_pump_on():
print("Turning pump on")
global g_relayAddress
if relayExp.readChannel(g_relayAddress, 0) == 0:
if relayExp.setChannel(g_relayAddress, 0, 1) == 0:
client.publish("aquarium/pump/on")
print_status()
def print_relay2_status():
global g_relayAddress
oledExp.setCursor(5, 0)
if relayExp.readChannel(g_relayAddress, 1) == 0:
oledExp.write("Valve : closed")
else:
oledExp.write("Valve : open ")
def print_relay1_status():
global g_relayAddress
oledExp.setCursor(4, 0)
if relayExp.readChannel(g_relayAddress, 0) == 0:
oledExp.write("Pump : off")
else:
oledExp.write("Pump : on ")
def close_valve():
print ("Closing Valve")
global g_relayAddress
if relayExp.readChannel(g_relayAddress, 0) == 1:
turn_pump_off()
if relayExp.setChannel(g_relayAddress, 1, 1) == 0:
client.publish("aquarium/valve/close")
print_status()
def initial_setup():
status_oled = oledExp.driverInit()
status_relay = relayExp.driverInit(7) # 7 is the address of the Relay Expansion; 7 is when all relay switches are switched OFF
check = relayExp.readChannel(7, 0) # (7, 0) - again 7 is the address and 0 is the relay channel
if check == 1:
close_lock()
with open('data.json') as json_file: # Your UIDs could be different, make changes to the data.json file according to your settings
data = json.load(json_file)
return data['accepted']
return None
def checkStatus(light):
led = int2Addr(light)
status = relayExp.readChannel(led[0], led[1])
if status == 1:
print 'Relay ON'
elif status == 0:
print 'Relay OFF '
else:
print 'Error: Bad status.'
return status
# check initialization # should return 1 since the Expansion was initialized above ret = relayExp.checkInit(addr) print "checking if initialized: ", ret time.sleep(1) # set channel 0 to on ret = relayExp.setChannel(addr, 0, 1) print "Result from relaySetChannel: ", ret if (ret != 0): exit() time.sleep(2) # read channel 0 value value = relayExp.readChannel(addr, 0) print "Channel 0 value: ", value time.sleep(2) # set both channels to on ret = relayExp.setAllChannels(addr, 1) print "Result from relaySetAllChannels: ", ret if (ret != 0): exit() time.sleep(2) # set channel 0 to off ret = relayExp.setChannel(addr, 0, 0) print "Result from relaySetChannel: ", ret if (ret != 0): exit()
# check initialization
# should return 1 since the Expansion was initialized above
ret = relayExp.checkInit(addr)
print "checking if initialized: ", ret
time.sleep(1)
# set channel 0 to on
ret = relayExp.setChannel(addr, 0, 1)
print "Result from relaySetChannel: ", ret
if (ret != 0):
exit()
time.sleep(2)
# read channel 0 value
value = relayExp.readChannel(addr, 0)
print "Channel 0 value: ", value
time.sleep(2)
# set both channels to on
ret = relayExp.setAllChannels(addr, 1)
print "Result from relaySetAllChannels: ", ret
if (ret != 0):
exit()
time.sleep(2)
# set channel 0 to off
ret = relayExp.setChannel(addr, 0, 0)
print "Result from relaySetChannel: ", ret
if (ret != 0):
exit()
The first iteration will be just to run 14h per day, 0500-1900
Intended implementation on omega2 with relay expansion
"""
import time
from OmegaExpansion import relayExp
led1 = 7
init = 0
#intiialize relay
status = relayExp.driverInit(led1)
print status
led1Init = relayExp.checkInit(1)
#check initialization
if led1Init == 0:
print 'Initialization unsuccessful'
led1Init = relayExp.driverInit(led1)
else:
print 'Initialization successful'
while 1:
#read current relay state
state1 = relayExp.readChannel(led1, 1)
if state1 == 1:
output1 = 0
print 'Relay found ON'
else:
output1 = 1
print 'Relay found OFF'
status1 = relayExp.setChannel(led1, 1, output1)
time.sleep(2)
def read(self, channel):
return relayExp.readChannel(self.defaultAddress, channel)