def main():
# instacia das variaveis globais
global counter
global shutdown
global fanPort
global minFanUpTime
global refreshRate
global maxTemp
global minTemp
global channel_id
global write_key
global tskrefresh
global lastUpdate
global channel
global isRelay
global onValue
global offValue
global useSocCmd
# Carrega as configura??es
(fanPort,minFanUpTime,refreshRate,maxTemp,minTemp,channel_id,write_key,tskrefresh,isRelay,useSocCmd) = configs.loadConfig()
if(isRelay):
onValue = 0
offValue = 1
else:
onValue = 1
offValue = 0
if(channel_id != -1):
channel = thingspeak.Channel(id=channel_id,write_key=write_key)
parser = optparse.OptionParser()
parser.add_option("-v", "--version", action="store_true", dest="version",
help="Show the software version.", default = False)
parser.add_option("-c", "--config", action="store_true", dest="config",
help="Generates a default config file. WARNING: this can overwrite existing settings file.", default = False)
parser.add_option("--reloadConf", action="store_true", dest="reload",
help="Reloads the config file to apply changes.", default = False)
group = optparse.OptionGroup(parser, "Controll Options")
group.add_option("-f", "--force", type="string", nargs = 1, dest="force",
help="force the fan to be always ON/OFF", default = "null")
group.add_option("-r", "--restore", action="store_true", dest="restore",
help="restore the fan to auto mode", default = False)
parser.add_option_group(group)
group = optparse.OptionGroup(parser, "Status Options")
group.add_option("-a", "--appear", action="store_true", dest="appear",
help="force run even if a process is already running", default=False)
group.add_option("-s", "--status", action="store_true", dest="fanstatus",
help="show if the fan is ON/OFF", default=False)
group.add_option("-t", "--temp", action="store_true", dest="temp",
help="shows the current temperature", default=False)
parser.add_option_group(group)
group = optparse.OptionGroup(parser, "Installation Options")
group.add_option("--install", action="store_true", dest="install",
help="makes 'fan' command available to bash command line", default=False)
group.add_option("--uninstall", action="store_true", dest="uninstall",
help="uninstall 'fan' command from bash command line", default=False)
group.add_option("--autoinit", type="string", nargs = 1, dest="autoinit",
help="sets the auto init true/false, if true the process will start at boot up", default = "null")
parser.add_option_group(group)
group = optparse.OptionGroup(parser, "Dangerous Options","Use this options with caution.")
group.add_option("--clear", action="store_true", dest="clear",
help="free shared memory, this may cause some stability issues, try using '--restore' after using this option.", default = False)
parser.add_option_group(group)
(options, args) = parser.parse_args()
# para o processo caso o computador comece a desligar
signal.signal(signal.SIGTERM, stop)
if(options.reload):
try:
configReload = sysv_ipc.SharedMemory(19021999) #procura a memoria compartilhada
utils.write_to_memory(configReload,"reload")
print("The configuration was reloaded.")
except:
print("Fail to reload the configuration.")
sys.exit()
elif(options.config):
try:
configs.createConfig()
print('Config file created.')
except:
print('Fail to create the config file.')
sys.exit()
elif(options.version):
print("Fan version: %s" % (version))
sys.exit()
elif(options.clear):
try:
setGPIO()
fanForce = sysv_ipc.SharedMemory(22061995)
sysv_ipc.remove_shared_memory(fanForce.id)
print("Memory Cleared.")
except:
print("There was no memory to clear.")
GPIO.cleanup(fanPort)
print("GPIO Cleared.")
sys.exit()
elif(options.install):
try:
installFan()
print("'fan' was installed to the command line.")
except:
print("Fail to install 'fan' to the command line.")
sys.exit()
elif(options.uninstall):
try:
os.remove("/usr/local/bin/fan")
print("'fan' was removed from command line.")
except:
print("Fail to remove 'fan' from command line.")
sys.exit()
elif(options.autoinit == "true"):
try:
installAutoInit()
print("Autoinit set to True, restart your system apply changes.")
except:
print("Fail to set Autoinit to True.")
sys.exit()
elif(options.autoinit == "false"):
try:
uninstallAutoInit()
print("Autoinit set to False")
except:
print("Fail to set Autoinit to False.")
sys.exit()
elif(options.autoinit != "null"):
print("Invalid parameter.")
print("")
print("Usage: --autoinit [true/false]")
sys.exit()
# se receber o comando -a forca abrir uma instancia nova
elif (options.appear):
setGPIO()
# desliga a fan
GPIO.output(fanPort,offValue)
elif(options.force == "on"):
try:
fanForce = sysv_ipc.SharedMemory(22061995) #procura a memoria compartilhada
utils.write_to_memory(fanForce,"on")
setGPIO()
GPIO.output(fanPort,onValue)
print("The Fan was forced to be on.")
except:
print("Fail forcing fan to be on.")
sys.exit()
elif(options.force == "off"):
try:
fanForce = sysv_ipc.SharedMemory(22061995) #procura a memoria compartilhada
utils.write_to_memory(fanForce,"off")
setGPIO()
GPIO.output(fanPort,offValue)
print("The Fan was forced to be off. WARNING: The fan will not auto turn on anymore.")
except:
print("Fail forcing fan to be off.")
sys.exit()
elif(options.force != "null"):
print("Invalid parameter.")
print("")
print("Usage: --force [on/off]")
sys.exit()
elif(options.restore):
try:
fanForce = sysv_ipc.SharedMemory(22061995) #procura a memoria compartilhada
utils.write_to_memory(fanForce,"default")
print("The Fan was restored to auto-mode.")
except:
print("The Fan was restored to auto-mode.")
sys.exit()
elif(options.fanstatus):
setGPIO()
if(GPIO.input(fanPort) == offValue):
print("The fan is inactive.")
else:
print("The fan is active.")
sys.exit()
elif(options.temp):
print ("Temperature: %0.2f 'C" % (getTemp()))
sys.exit()
else:
parser.error("fan requires an argument.")
quit()
try:
fanForce = sysv_ipc.SharedMemory(22061995,sysv_ipc.IPC_CREX) #cria memoria compartilhada
configReload = sysv_ipc.SharedMemory(19021999,sysv_ipc.IPC_CREX) #cria memoria compartilhada
except:
fanForce = sysv_ipc.SharedMemory(22061995) #cria memoria compartilhada
configReload = sysv_ipc.SharedMemory(19021999) #cria memoria compartilhada
utils.write_to_memory(fanForce,"default")
utils.write_to_memory(configReload,"default")
try:
while (shutdown == False):
# descobre se a fan esta ligada
status = GPIO.input(fanPort)
# se receber um comando de force via console para de rodar
if(utils.read_from_memory(fanForce) == "default"):
# se a temperatura for maior ou igual a maxTemp graus liga a fan
if (getTemp() >= maxTemp):
if(status == offValue):
# liga a fan
GPIO.output(fanPort,onValue)
# envia o status para o thingspeak
k=0
# aguarda o tempo minimo de execucao da fan
while(k < minFanUpTime and shutdown == False):
# se receber um comando de controle de fan sai da espera
if(utils.read_from_memory(fanForce) == "default"):
# envia o status para o thingspeak
updateThingspeak()
if(utils.read_from_memory(configReload) == "reload"):
reloadConfigs()
utils.write_to_memory(configReload,"default")
time.sleep(1)
k+=1
else:
break
counter=0
else:
updateThingspeak()
if(utils.read_from_memory(configReload) == "reload"):
reloadConfigs()
utils.write_to_memory(configReload,"default")
time.sleep(refreshRate)#apos o tempo minimo ele aguarda o tempo de refresh hate definido
counter=0
# se estiver no limite da transicao aguarda 2x o refresh rate para desligar a fan, assim evitando liga e desliga de fan
elif (counter < 2):
counter += 1
time.sleep(refreshRate)
elif (minTemp < getTemp()):
counter = 0
updateThingspeak()
if(utils.read_from_memory(configReload) == "reload"):
reloadConfigs()
utils.write_to_memory(configReload,"default")
else:
if(status == onValue):
GPIO.output(fanPort,offValue)
updateThingspeak()
if(utils.read_from_memory(configReload) == "reload"):
reloadConfigs()
utils.write_to_memory(configReload,"default")
time.sleep(refreshRate)
else:
updateThingspeak()
if(utils.read_from_memory(configReload) == "reload"):
reloadConfigs()
utils.write_to_memory(configReload,"default")
time.sleep(refreshRate)
except KeyboardInterrupt:
pass
finally:
GPIO.cleanup(fanPort)
sysv_ipc.remove_shared_memory(fanForce.id)
sysv_ipc.remove_shared_memory(configReload.id)
