def setCycleOff(self, fanNumber):
self.cleanProcess(fanNumber)
pin = getattr(self, 'pin_'+str(fanNumber))
proc = subprocess.Popen(['nohup','python',utils.getContextPath()+'/bin/scripts/fan/off.py',str(pin),'&'])
utils.fwrite(utils.getContextPath()+'/bin/scripts/fan/pid_'+str(fanNumber),proc.pid)
print("Fan PID: "+str(proc.pid))
print("FanController is now OFF")
return
def setCycle(self,dutyR,dutyB):
self.cleanProcess()
procR = subprocess.Popen(['nohup','python',utils.getContextPath()+'/bin/scripts/led/on.py',str(self.channel_0),str(dutyR),'&'])
procB = subprocess.Popen(['nohup','python',utils.getContextPath()+'/bin/scripts/led/on.py',str(self.channel_1),str(dutyB),'&'])
utils.fwrite(utils.getContextPath()+'/bin/scripts/led/pid_0',procR.pid)
utils.fwrite(utils.getContextPath()+'/bin/scripts/led/pid_1',procB.pid)
print("Red channel PID: "+str(procR.pid)+", Blue channel PID: "+str(procB.pid))
print("LedController cycle running")
return
def cleanProcess(self,fanNumber):
try:
pid = utils.fread(utils.getContextPath()+'/bin/scripts/fan/pid_'+str(fanNumber))
subprocess.call(["sudo","kill",str(pid)])
print("Process "+str(pid)+" killed")
except:
print("No process found")
def runPwm(self):
confPath = utils.getContextPath()+'/conf'
pwm_data = {}
with open(confPath+'/pwm_conf.json') as data_file:
data = json.load(data_file)
for key, value in data.iteritems():
#if (key[:4]=='Grow' or key[:3] == 'FanController' or key[:14] == 'IndicatorPanel') and value["flag"]==1 and value["duty"] >= 0.0 and value["duty"] <=4095.0:
if (key[:8] == 'FrontLED' ):
if(value["flag"]==1):
print(key,value)
self.pwm.set_pwm(value["channel"], 0, value["duty"])
pwm_data.update({key : {"channel":value["channel"],"duty":value["duty"],"flag":0}})
else:
pass
elif key[:3] == 'Fan':
if(value["flag"]==1):
print(key,value)
self.pwm.set_pwm(value["channel"], 0, value["duty"])
pwm_data.update({key : {"channel":value["channel"],"duty":value["duty"],"flag":0,"timeout":value["timeout"]}})
else:
pass
self.register(pwm_data)
def capture(self):
with picamera.PiCamera() as camera:
camera.sharpness = 0
camera.contrast = 0
camera.brightness = 50
camera.saturation = 0
camera.ISO = 0
camera.video_stabilization = False
camera.exposure_compensation = 0
camera.exposure_mode = 'auto'
camera.meter_mode = 'average'
camera.awb_mode = 'auto'
camera.image_effect = 'none'
camera.color_effects = None
camera.rotation = 0
camera.hflip = self.option_snapshot_hflip
camera.vflip = self.option_snapshot_vflip
camera.crop = (0.0, 0.0, 1.0, 1.0)
photosPath = utils.getContextPath()+"/data/photos"
tstamp = time.time()
dtstr = datetime.datetime.fromtimestamp(tstamp).strftime('%Y%m%d%H%M%S')
camera.capture(photosPath+'/snapshot_'+str(dtstr)+'.jpg')
camera.close()
del(camera)
return photosPath+'/snapshot_'+str(dtstr)+'.jpg'
def stopRPiCWI(self):
print("Trying to Stop Camera with RPi Cam Web Interface...")
utils.log("Trying to Stop Camera with RPi Cam Web Interface...")
libPackPath = utils.getContextPath()+"/lib/RPi_Cam_Web_Interface"
subprocess.call(["sudo", "chmod", "+x", libPackPath+"/stop.sh"])
subprocess.call(["sudo", libPackPath+"/stop.sh"])
self.isOn = False
self.persistInRam({'camera_is_on':False})
def cleanProcess(self):
try:
pidRedPath = utils.getContextPath() + '/bin/scripts/led/pid_red'
pidBluePath = utils.getContextPath() + '/bin/scripts/led/pid_blue'
if os.path.exists(pidRedPath) and os.path.isfile(pidRedPath):
pidRed = utils.fread(utils.getContextPath() +
'/bin/scripts/led/pid_red')
if pidRed != None:
subprocess.call(["sudo", "kill", str(pidRed)])
print("Process " + str(pidRed) + " killed")
if os.path.exists(pidBluePath) and os.path.isfile(pidBluePath):
pidBlue = utils.fread(utils.getContextPath() +
'/bin/scripts/led/pid_blue')
if pidBlue != None:
subprocess.call(["sudo", "kill", str(pidBlue)])
print("Process " + str(pidBlue) + " killed")
except:
print("No process found")
def capture(self):
photosPath = utils.getContextPath() + "/data/photos"
tstamp = time.time()
dtstr = datetime.datetime.fromtimestamp(tstamp).strftime(
'%Y%m%d%H%M%S')
subprocess.call([
"fswebcam", "-r", "1280x720", "--no-banner",
photosPath + '/snapshot_' + str(dtstr) + '.jpg'
])
return photosPath + '/snapshot_' + str(dtstr) + '.jpg'
def setCycleOn(self):
self.cleanProcess()
procB = subprocess.Popen([
'nohup', 'python',
utils.getContextPath() + '/bin/scripts/led/on.py',
str(self.pin_blue), '&'
])
procR = subprocess.Popen([
'nohup', 'python',
utils.getContextPath() + '/bin/scripts/led/on.py',
str(self.pin_red), '&'
])
utils.fwrite(utils.getContextPath() + '/bin/scripts/led/pid_red',
procR.pid)
utils.fwrite(utils.getContextPath() + '/bin/scripts/led/pid_blue',
procB.pid)
print("Red pin PID: " + str(procR.pid) + ", Blue pin PID: " +
str(procB.pid))
print("LedController is now ON")
return
def cleanUpRepository(self,doRemove=False):
tstamp = time.time()
dtstr = datetime.datetime.fromtimestamp(tstamp).strftime('%Y%m%d%H%M%S')
photosPath = utils.getContextPath()+"/data/photos"
print("Starting Camera Repository CleanUp... path: "+photosPath)
utils.log("Starting Camera Repository CleanUp... path: "+photosPath)
for file in os.listdir(photosPath):
if file.endswith(".jpg") :
#print(file[9:][0:8])
if int(file[9:][0:8]) < int(dtstr[0:8])-2 :
if doRemove :
print("Removing "+photosPath+os.path.sep+file+"...")
utils.log("Removing "+photosPath+os.path.sep+file+"...")
os.remove(photosPath+os.path.sep+file)
else :
print("Marked for removal: "+photosPath+os.path.sep+file)
utils.log("Marked for removal: "+photosPath+os.path.sep+file)
def runPwm(self):
import Adafruit_PCA9685
self.pwm = Adafruit_PCA9685.PCA9685()
self.pwm.set_pwm_freq(1000)
confPath = utils.getContextPath() + '/conf'
with open(confPath + '/pwm_conf.json') as data_file:
data = json.load(data_file)
for key, value in data.iteritems():
print(value["value"])
if value["flag"] == 1 and value["value"] >= 0 and value[
"value"] <= 4095:
self.pwm.set_pwm(value["channel"], 0, value["value"])
self.register(
{key: {
"channel": channel,
"value": duty,
"flag": 1
}})
def execute(self):
s = 0
confPath = utils.getContextPath()+'/conf'
with open(confPath+'/growLED_pwm_conf.json') as data_file:
pwmdata = json.load(data_file)
for key, value in pwmdata.iteritems():
if (key[:7] == 'GrowLED'):
s += value["duty"]
s = float(s)/4095.0*100.0/6.0
print('current LED output',s)
if s<10.0:
self.setAllOff()
elif s> 10.0 and s<80.0:
print('case 2')
with open(confPath+'/pwm_conf.json') as data_file:
pwmdata = json.load(data_file)
for key, value in pwmdata.iteritems():
if key[:13]== 'FanController':
if value["duty"] > 4000.0 :
print('timeout=','value["timeout"]')
if value["timeout"] < time.time():
self.setOff('front')
self.setOff('back')
self.setOff('led')
else:
print('still on, wait = ' + str(value["timeout"] - time.time()))
pass
else:
if value["timeout"] < time.time():
self.setOn('front')
self.setOn('back')
self.setOn('led')
else:
print('still off, wait = ' + str(value["timeout"] - time.time()))
pass
else:
self.setOn('led')
def register(self, data):
confPath = utils.getContextPath() + '/conf'
utils.updateJSONFile(confPath + '/pwm_conf.json', data)
