def controlHVAC(desiredTemp,hwTemp,fanMode='O'):
global coolingHwStatus
global heatingHwStatus
global fanHwStatus
global offHwStatus
#print('coolingHwStatus: ', coolingHwStatus)
#print('heatingHwStatus: ', heatingHwStatus)
#print('fanHwStatus: ', fanHwStatus)
#print('offHwStatus: ', offHwStatus)
try:
if fanMode =='H': #heating
fanHwStatus = 'Off'
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(cool_pin ,0)
GPIO.output(fan_pin ,0)
#compare the temp and either keep running or turn off
if desiredTemp > hwTemp:
if heatingHwStatus != 'On':
ThermoData.updateHwEvent('Heating Started')
#print('Heating Started Event')
#ThermoData.updateHwEvent('Heating Started')
GPIO.output(heat_pin ,1)
heatingHwStatus = 'On'
if desiredTemp + 1 < hwTemp:
if heatingHwStatus != 'Off':
ThermoData.updateHwEvent('Heating Stopped')
#print('Heating stopped Event')
heatingHwStatus = 'Off'
GPIO.output(heat_pin ,0)
if fanMode =='C': #cooling
fanHwStatus = 'Off'
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(heat_pin ,0)
GPIO.output(fan_pin ,0)
#compare the temp and either keep running or turn off
if desiredTemp < hwTemp:
if coolingHwStatus != 'On':
ThermoData.updateHwEvent('Cooling Started')
#print('Cooling Started Event')
GPIO.output(cool_pin ,1)
coolingHwStatus = 'On'
if desiredTemp - 1 > hwTemp:
if coolingHwStatus != 'Off':
#print 'Cooling Off'
ThermoData.updateHwEvent('Cooling Stopped')
coolingHwStatus = 'Off'
#print('Cooling Stopped Event')
GPIO.output(cool_pin ,0)
if fanMode =='F': #Fan
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(cool_pin ,0)
GPIO.output(fan_pin ,0)
if fanHwStatus != 'On':
#print 'Cooling on'
ThermoData.updateHwEvent('Fan Started')
#print('Fan Started Event')
#turn the fan on
fanHwStatus = 'On'
GPIO.output(fan_pin ,1)
if fanMode =='A': #Auto
pass
if fanMode =='O': #Off
fanHwStatus = 'Off'
coolingHwStatus = 'Off'
heatingHwStatus = 'Off'
if offHwStatus != 'On':
ThermoData.updateHwEvent('System Stopped')
#print('System Off Event')
offHwStatus = 'On'
shutOffHVAC()
except:
ThermoHardwareLogger.exception('Exception Occurred in ThermoHardware controlHVAC')
def controlHVAC(desiredTemp, hwTemp, fanMode='O'):
global coolingHwStatus
global heatingHwStatus
global fanHwStatus
global offHwStatus
#print('coolingHwStatus: ', coolingHwStatus)
#print('heatingHwStatus: ', heatingHwStatus)
#print('fanHwStatus: ', fanHwStatus)
#print('offHwStatus: ', offHwStatus)
try:
if fanMode == 'H': #heating
fanHwStatus = 'Off'
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(cool_pin, 0)
GPIO.output(fan_pin, 0)
#compare the temp and either keep running or turn off
if desiredTemp > hwTemp:
if heatingHwStatus != 'On':
ThermoData.updateHwEvent('Heating Started')
#print('Heating Started Event')
#ThermoData.updateHwEvent('Heating Started')
GPIO.output(heat_pin, 1)
heatingHwStatus = 'On'
if desiredTemp + 1 < hwTemp:
if heatingHwStatus != 'Off':
ThermoData.updateHwEvent('Heating Stopped')
#print('Heating stopped Event')
heatingHwStatus = 'Off'
GPIO.output(heat_pin, 0)
if fanMode == 'C': #cooling
fanHwStatus = 'Off'
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(heat_pin, 0)
GPIO.output(fan_pin, 0)
#compare the temp and either keep running or turn off
if desiredTemp < hwTemp:
if coolingHwStatus != 'On':
ThermoData.updateHwEvent('Cooling Started')
#print('Cooling Started Event')
GPIO.output(cool_pin, 1)
coolingHwStatus = 'On'
if desiredTemp - 1 > hwTemp:
if coolingHwStatus != 'Off':
#print 'Cooling Off'
ThermoData.updateHwEvent('Cooling Stopped')
coolingHwStatus = 'Off'
#print('Cooling Stopped Event')
GPIO.output(cool_pin, 0)
if fanMode == 'F': #Fan
offHwStatus = 'Off'
#turn off the other pins incase they were already on
GPIO.output(cool_pin, 0)
GPIO.output(fan_pin, 0)
if fanHwStatus != 'On':
#print 'Cooling on'
ThermoData.updateHwEvent('Fan Started')
#print('Fan Started Event')
#turn the fan on
fanHwStatus = 'On'
GPIO.output(fan_pin, 1)
if fanMode == 'A': #Auto
pass
if fanMode == 'O': #Off
fanHwStatus = 'Off'
coolingHwStatus = 'Off'
heatingHwStatus = 'Off'
if offHwStatus != 'On':
ThermoData.updateHwEvent('System Stopped')
#print('System Off Event')
offHwStatus = 'On'
shutOffHVAC()
except:
ThermoHardwareLogger.exception(
'Exception Occurred in ThermoHardware controlHVAC')
