def ReadUSBData(CSVPath,ClientID,client):
# Read serial data from USB port
#
# Define the PicAxe Divisors
DivisorDict = dict.fromkeys(string.ascii_uppercase)
for key in DivisorDict :
DivisorDict[key] = 1
DivisorDict['A'] = 10 # Soil Moisture
DivisorDict['B'] = 10 # Temperature
DivisorDict['S'] = 10 # Kihi-02 Moisture
DivisorDict['T'] = 10 # Kihi-02 Temperature
USBport = 'USB0'
if (USBport in PiSerial() ):
DoRead = True
logging.info("USB port found: "+ USBport )
else:
Message = "Error looking for "+USBport
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
# Will try to read (twice) data anyway
SerialDetails = {
"DeviceName": "/dev/tty"+USBport,
"ModuleType": "DRF126x",
"BAUDrate": "2400",
}
# Could also include other parameters
# parity = serial.PARITY_NONE,
# stopbits = serial.STOPBITS_ONE,
# bytesize = serial.EIGHTBITS,
# Default location of serial port on Pi models 3 and Zero
# SERIAL_PORT = "/dev/ttyS0"
# Other serial ports are "/dev/ttyAMA0" & "/dev/serial0"
# ModuleType can be Dorji DRF126x or DRF127x
while DoRead :
try :
Value = GetSerialData(CSVPath,ClientID,SerialDetails)
# logging.info("Serial Loop: %s", Value)
Status = Value["Status"]
if Status == 0 :
Error = "Invalid_Read"
Save2CSV (CSVPath, ClientID, 'Error', Error)
else :
# Status is OK, so write the data ...
Error = Value["Error"]
Channel = Value["Channel"]
Data = Value["Data"]
ClientID = Value["ClientID"]
Save2CSV (CSVPath, ClientID, Channel, Data)
Save2Cayenne (client, Channel, Data, DivisorDict[Channel])
Save2Cayenne (client, 'Stat', Status, 1)
except :
Message = "Exception reading LoRa Data from "+USBport
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadGPIOData(CSVPath,ClientID,client):
# Read serial data from GPIO pins
#
# Define the PicAxe Divisors
DivisorDict = dict.fromkeys(string.ascii_uppercase)
for key in DivisorDict :
DivisorDict[key] = 1
DivisorDict['A'] = 10 # Soil Moisture
DivisorDict['B'] = 10 # Temperature
DivisorDict['S'] = 10 # Kihi-02 Moisture
DivisorDict['T'] = 10 # Kihi-02 Temperature
# DivisorDict[','] = 1 # Battery voltage
DoRead = True
SerialDetails = {
"DeviceName": "/dev/serial0",
"ModuleType": "DRF127x",
# "ModuleType": "DRF126x",
"BAUDrate": "2400",
}
# Could also include other parameters
# parity = serial.PARITY_NONE,
# stopbits = serial.STOPBITS_ONE,
# bytesize = serial.EIGHTBITS,
# Default location of serial port on Pi models 3 and Zero
# SERIAL_PORT = "/dev/ttyS0"
# Other serial ports are "/dev/ttyAMA0" & "/dev/serial0"
# ModuleType can be Dorji DRF126x or DRF127x
# while DoRead :
try :
Value = GetSerialData(CSVPath,ClientID,SerialDetails)
# logging.info("Serial Loop: %s", Value)
Status = Value["Status"]
if Status == 0 :
Error = "Invalid_Read"
Save2CSV (CSVPath, ClientID, 'Error', Error)
else :
# Status is OK, so write the data ...
# Error = Value["Error"]
Channel = Value["Channel"]
Data = Value["Data"]
ClientID = Value["ClientID"]
RSSI = Value["RSSI"]
Save2CSV (CSVPath, ClientID, Channel, Data)
Save2Cayenne (client, Channel, Data, DivisorDict[Channel])
if not any ( { int(RSSI) <= 0, int(RSSI) >= 255 } ) : # Probably have a valid RSSI
Channel = chr(22+ord('A')-1)
# RSSI is Cayenne channel 22, PicAxe 22nd letter in alphabet
Data = RSSI
Save2CSV (CSVPath, ClientID, Channel, Data)
Save2Cayenne (client, Channel, Data, 1)
Save2Cayenne (client, 'Stat', Status, 1)
except :
Message = "Exception reading Serial Data from GPIO"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadSerialData(CSVPath, ClientID, client):
# Define the PicAxe Divisors
DivisorDict = dict.fromkeys(string.ascii_uppercase)
for key in DivisorDict:
DivisorDict[key] = 1
DivisorDict['A'] = 10 # Soil Moisture
DivisorDict['B'] = 10 # Temperature
try:
while True:
Value = GetSerialData(CSVPath, ClientID)
# logging.info("Serial Loop: %s", Value)
Channel = Value["Channel"]
Data = Value["Data"]
Status = Value["Status"]
ClientID = Value["ClientID"]
Error = Value["Error"]
Save2Cayenne(client, 'Stat', Status, 1)
# logging.info("Wifi Loop: %s", Value)
if Status == 0:
Save2CSV(CSVPath, ClientID, 'Error', Error)
else:
# Status is OK, so write the data ...
Save2CSV(CSVPath, ClientID, Channel, Data)
Save2Cayenne(client, Channel, Data, DivisorDict[Channel])
except:
Message = "Exception reading LoRa Data"
CSV_Message = Message
ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadWifiThread(Freq, CSVPath, ClientID, client):
while True:
Value = GetWirelessStats()
# logging.info("Wifi Loop: %s", Value)
Link = Value['wlan0']['link']
Channel = 'WifiLnk'
Save2CSV(CSVPath, ClientID, Channel, Link)
Save2Cayenne(client, Channel, Link, 100)
Level = Value['wlan0']['level']
Channel = 'WifiLvl'
Save2CSV(CSVPath, ClientID, Channel, Level)
Save2Cayenne(client, Channel, Level, 100)
time.sleep(Freq)
def ProcessError(CSVPath, ClientID, CayClient, CSV_Message, Message):
# Save Message to a file and Cayenne
global LastError
CurrentTime = datetime.datetime.now().isoformat()
CSVPathFile = Save2CSV (CSVPath, ClientID, 'Exception', CSV_Message)
CurrentTime = datetime.datetime.now().isoformat()
LogPathFile = logging.getLoggerClass().root.handlers[0].baseFilename
def ReadCPUThread(Freq, CSVPath, ClientID, client):
while True:
Value = CPUTemperature().temperature
# logging.info("CPU Loop: %s", Value)
Channel = 'CPUtemp'
Save2CSV(CSVPath, ClientID, Channel, Value)
Save2Cayenne(client, Channel, Value, 1)
time.sleep(Freq)
def ReadTempThread(Freq, CSVPath, ClientID, client):
while True:
Value = ReadTemp()
# logging.info("Temp Loop: %s", Value)
Channel = 'ExtTemp'
Save2CSV(CSVPath, ClientID, Channel, Value)
Save2Cayenne(client, Channel, Value, 1)
time.sleep(Freq)
def on_message(client, userdata, msg):
print(msg.topic + "&" + str(msg.payload))
if "data" in str(msg.topic):
# test just in case we get a message that is not data (I wonder what we should do with it?)
# eg msg: v1/6375a470-cff9-11e7-86d0-83752e057225/things/87456840-e0eb-11e9-a38a-d57172a4b4d4/data/2
null, null, null, null, null, Channel = str(msg.topic).split(sep='/')
null, Data = str(msg.payload).rstrip("'").split(sep='=')
print("Parsed: ", Channel, Data)
Save2CSV(CSVPath, MQTTdetails.get('MQTTClientID'), Channel, Data)
def ReadWifiThread(Freq,CSVPath,ClientID,client):
DoRead = True
while DoRead :
try:
Value = GetWirelessStats()
# logging.info("Wifi Loop: %s", Value)
Link = Value['wlan0']['link']
Channel = 'WifiLnk'
Save2CSV (CSVPath, ClientID, Channel, Link)
Save2Cayenne (client, Channel, Link, 100)
Level = Value['wlan0']['level']
Channel = 'WifiLvl'
Save2CSV (CSVPath, ClientID, Channel, Level)
Save2Cayenne (client, Channel, Level, 100)
time.sleep(Freq)
except :
Message = "Exception reading Wifi Data"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadTempThread(Freq,CSVPath,ClientID,client):
DoRead = True
while DoRead :
try:
Value = ReadTemp()
# logging.info("Temp Loop: %s", Value)
Channel = 'ExtTemp'
Save2CSV (CSVPath, ClientID, Channel, Value)
Save2Cayenne (client, Channel, Value, 1)
time.sleep(Freq)
except :
Message = "Exception reading Onboard Temperature"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadDiskThread(Freq,CSVPath,ClientID,client):
DoRead = True
while DoRead :
try:
Value = round( DiskUsage().value,2)
# logging.info("Disk Loop: %s", Value)
Channel = 'DiskAvg'
Save2CSV (CSVPath, ClientID, Channel, Value)
Save2Cayenne (client, Channel, Value, 1)
time.sleep(Freq)
except :
Message = "Exception reading Disk Usage"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadCPUThread(Freq,CSVPath,ClientID,client):
DoRead = True
while DoRead :
try:
Value = CPUTemperature().temperature
# logging.info("CPU Loop: %s", Value)
Channel = 'CPUtemp'
Save2CSV (CSVPath, ClientID, Channel, Value)
Save2Cayenne (client, Channel, Value, 1)
time.sleep(Freq)
except :
Message = "Exception reading CPU Temperature"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ReadLoadThread(Freq,CSVPath,ClientID,client):
DoRead = True
while DoRead :
try:
Value = LoadAverage().load_average
# logging.info("Load Loop: %s", Value)
Channel = 'LoadAvg'
Save2CSV (CSVPath, ClientID, Channel, Value)
Save2Cayenne (client, Channel, Value, 1)
time.sleep(Freq)
# raise Exception('Test exception at line 79 of Thread2MQTT.py')
except :
Message = "Exception reading Load Average"
CSV_Message = Message
DoRead = ProcessError(CSVPath, ClientID, '', CSV_Message, Message)
def ProcessError(CSVPath, ClientID, CayClient, CSV_Message, Message):
# Save Message to a file and Cayenne
global LastError
CurrentTime = datetime.datetime.now().isoformat()
CSVPathFile = Save2CSV (CSVPath, ClientID, 'Exception', CSV_Message)
CurrentTime = datetime.datetime.now().isoformat()
LogPathFile = logging.getLoggerClass().root.handlers[0].baseFilename
ErrorTime = datetime.datetime.now()
ErrorGap = ErrorTime - LastError['time']
# logging.info( LastError )
# logging.info( ErrorGap )
if ErrorGap.days > 0: # Ages since last error
Continue = True
ResetCount = True
elif ErrorGap.seconds > LastError['period']: # OK time since last error
Continue = True
ResetCount = True
elif LastError['count'] < LastError['threshold']: # Still counting
LastError['count'] += 1
Continue = True
ResetCount = False
else: # We have a problem
Continue = False
ResetCount = True
if ResetCount:
LastError = {
'time' : ErrorTime,
'count' : 0
}
if not(Continue):
Message = Message+' terminating thread'
logging.exception(Message)
os.system('tail -20 '+LogPathFile) # display last error if in foreground
if CayClient :
Save2Cayenne (CayClient, 'Stat', -1, 1)
return(Continue)
def on_message(client, userdata, msg):
print(msg.topic + "&" + str(msg.payload))
if "data" in str(msg.topic):
# test just in case we get a message that is not data (I wonder what we should do with it?)
# eg msg: v1/6375a470-cff9-11e7-86d0-83752e057225/things/87456840-e0eb-11e9-a38a-d57172a4b4d4/data/2
# Channel = str(msg.topic)[-2:]
null, null, null, null, null, Channel = str(msg.topic).split(sep='/')
null, Data = str(msg.payload).rstrip("'").split(sep='=')
print("Parsed: ", Channel, Data)
Save2CSV(CSVPath, CayenneParam.get('CayClientID'), Channel, Data)
Location[ChannelMap[Channel]] = Data
CurrentTime = datetime.datetime.now().isoformat()
print(Location)
if not any(LocationValues is None
for LocationValues in Location.values()):
# All values have valid content
# Note when we assembled this tuple
Location['TIME'] = CurrentTime
WHOLE = Location['LATwhole']
Location['LAT'] = WHOLE[0:len(WHOLE) -
2] + Location['LAT'].lstrip('0')
WHOLE = Location['LONGwhole']
Location['LONG'] = WHOLE[0:len(WHOLE) -
2] + Location['LONG'].lstrip('0')
# Add the whole number
# Save it, then wait for the next location to turn up
print("Complete! ", Location, CrLf)
LocOut = LocPath + GeoFile + CSV
if not os.path.isfile(LocOut):
# There is not currently an output file
print("Creating new output file: " + LocOut)
with open(LocOut, 'w') as LocFile:
writer = csv.DictWriter(LocFile, fieldnames=LocationKeys)
writer.writeheader()
with open(LocOut, 'a') as LocFile:
writer = csv.DictWriter(LocFile, fieldnames=LocationKeys)
writer.writerow(Location)
# Reset Location
# Location = {'TIME': '1'}
for key in ChannelMap:
Location[ChannelMap[str(key)]] = None
def on_message(client, userdata, msg):
print(msg.topic +"&"+ str(msg.payload))
if "data" in str(msg.topic):
# test just in case we get a message that is not data (I wonder what we should do with it?)
# eg msg: v1/6375a470-cff9-11e7-86d0-83752e057225/things/87456840-e0eb-11e9-a38a-d57172a4b4d4/data/2
null,null,null,null,null,Channel = str(msg.topic).split(sep='/')
null,Data = str(msg.payload).rstrip("'").split(sep='=')
print("Parsed: ", Channel, Data )
Save2CSV (CSVPath, CayenneParam.get('CayClientID'), Channel, Data)
Location[ChannelMap[Channel]] = Data
CurrentTime = datetime.datetime.now().isoformat()
print( Location )
if not any( LocationValues is None for LocationValues in Location.values()):
# Note when we assembled this tuple
Location['TIME'] = CurrentTime
if (float(Location['RSSI']) >= 255 ) or (float(Location['RSSI']) <= 0 ) :
Location['RSSI'] = '0' # Don't currently have a valid RSSI value
WHOLE = Location['LATwhole']
Location['LAT'] = WHOLE[0:len(WHOLE)-1] + Location['LAT'].rstrip('.0')
WHOLE = Location['LONGwhole']
Location['LONG'] = WHOLE[0:len(WHOLE)-1] + Location['LONG'].rstrip('.0')
# Add the whole number
print("Complete! ", Location, CrLf )
LocOut = os.path.join(LocPath,GeoFile+CSV)
# print( LocOut )
if not os.path.isfile(LocOut):
# There is not currently an output file
print ("Creating new output file: "+LocOut)
with open(LocOut, 'w') as LocFile:
writer = csv.DictWriter(LocFile, fieldnames=LocationKeys)
writer.writeheader()
with open(LocOut, 'a') as LocFile:
writer = csv.DictWriter(LocFile, fieldnames=LocationKeys)
writer.writerow(Location)
# Reset Location
Location['LAT'] = None
Location['LONG'] = None
# print(msg_body, target_temp, target_freq )
if len (all_temp) == 5 or time.time() > (start_time + max_time_seconds) :
repeatChecks = False
else :
timedata = time.time()
while (time.time() < timedata + interval):
time.sleep(1)
# target_folders = { '28-0417019fa4ff':'A', '28-041671ea1aff':'B', '28-041701ae78ff':'C', '28-041701bcc3ff':'D' }
# target_folders = { '28-0417019fa4ff':'A', '28-0416716607ff':'B', '28-041701bcc3ff':'C', '28-97aeeb1d64ff':'D', '28-041701ae78ff':'E' } # Corded plus
target_folders = { '28-0000032f8712':'A', '28-01131fa57571':'B', '28-031670e78aff':'C', '28-041670f565ff':'D', '28-97aeeb1d64ff':'E' } # skinks + Battery
# {'28-97aeeb1d64ff': 22937, '28-0416716607ff': 22125, '28-0000032f9489': 22375, '28-52beeb1d64ff': 22687} # onboard sensors
# all_temp = {'28-041701bcc3ff': 10625, '28-0417019fa4ff': 11125, '28-041671ea1aff': 9875, '28-041701ae78ff': 8562} # Sample data
for key in all_temp :
Value = int (all_temp[key]) / 1000 # Turn data to an int then scale back to degrees C
Channel = target_folders[key]
Save2CSV (CSVPath, ClientID, Channel, Value)
Save2Cayenne (client, Channel, Value, 1)
print( all_temp )
# Timing for the Keep Going loop
# timedata = time.time()
# while (time.time() < timedata + keepInterval):
# time.sleep(1)
client.on_connect = on_connect
client.begin(CayenneParam.get('CayUsername'), \
CayenneParam.get('CayPassword'), \
CayenneParam.get('CayClientID'), \
)
CheckingQueue = True
while CheckingQueue:
CayQueue = Queue(QueuePathFile, autosave=True)
if not (CayQueue.empty()):
CayPacket = CayQueue.get()
Save2CSV (CSVPath, \
CayPacket['CayClientID'], \
CayPacket['Channel'], \
CayPacket['Data'] \
) # Send a backup to a CSV file
Save2Cayenne (client, \
CayPacket['Channel'], \
CayPacket['Data'] \
) # Send
# client.loop()
# CayQueue.task_done()
time.sleep(1)
while SerialListen:
with serial.Serial(SERIAL_PORT, BAUDRATE) as ser:
# Data processing
# if DRF126x:
# PacketIn = ser.read(8)
# head1,head2,Device,Channel,Data,Cks,RSSI=struct.unpack("<ccccHBB",PacketIn)
# else:
# PacketIn = ser.read(7)
# head1,head2,Device,Channel,Data,Cks =struct.unpack("<ccccHB" ,PacketIn)
# RSSI = 0
Sync = ser.read_until(HEADIN)
# debugging Sync = str(Sync)+"*"
if not (Sync == HEADIN):
print("Extra Sync text!", Sync, "**************")
Save2Cayenne(client, 'Stat', 1, 1)
Save2CSV(CSVPath, CayenneParam.get('CayClientID'),
'Sync-Error', Sync)
# print( "Header read:",Sync )
# while (len(PacketIn) < 6):
PacketIn = ser.read(5)
print(PacketIn, len(PacketIn), 'l')
Device, Channel, Data, Cks = struct.unpack("<ccHB", PacketIn)
if DRF126x:
RSSI = ser.read(1)
else:
RSSI = 0
# null, null, b8, b9, b10,b11,Cks=struct.unpack("<BBBBBBB",PacketIn) (eg of PicAxe line)
# Checksum processing
CksTest = 0
client = cayenne.client.CayenneMQTTClient()
client.on_message = on_message
client.on_connect = on_connect
client.begin(CayenneParam.get('CayUsername'), \
CayenneParam.get('CayPassword'), \
CayenneParam.get('CayClientID'), \
)
# loglevel=logging.INFO) # Logging doesn't seem to work in Python3
# For a secure connection use port 8883 when calling client.begin:
# client.begin(MQTT_USERNAME, MQTT_PASSWORD, MQTT_CLIENT_ID, port=8883, loglevel=logging.INFO)
SendData = True
# Save2Cayenne (client, 'Z', '123>') # Random experiement (didn't work)
try:
while SendData:
timestamp = time.time()
Channel = 'CPUtemp'
Data = CPUTemperature().temperature
Save2CSV(CSVPath, CayenneParam.get('CayClientID'), Channel,
Data) # Send a backup to a CSV file
Save2Cayenne(client, Channel, Data)
Save2Cayenne(client, 'Stat', 1) # No errors at this point!
time.sleep(INTERVAL)
client.loop()
except:
Message = 'Exception Processing Internal Data'
ProcessError(CSVPath, CayenneParam.get('CayClientID'), \
client, LOG_FILE, Message)
def GetSerialData(CSVPath, ClientID, SerialDetails):
import struct
import serial
from MQTTUtils import DataError
from MQTTUtils import Save2Cayenne
from MQTTUtils import Save2CSV
Eq = ' = '
CrLf = '\r\n'
Qt = '"'
# Set up serial port values
DRF126x = (SerialDetails["ModuleType"] == "DRF126x")
SERIAL_PORT = SerialDetails["DeviceName"]
BAUDRATE = SerialDetails["BAUDrate"]
# Define Cicadacom Data Header
HEADIN = b':' b'0'
with serial.Serial(SERIAL_PORT, BAUDRATE) as ser:
Sync = ser.read_until(HEADIN)
if not (Sync == HEADIN):
print("Extra Sync text!", Sync, "**************")
# Save2Cayenne (client, 'Stat', 1, 1)
Save2CSV(CSVPath, ClientID, 'Sync-Error', Sync)
if DRF126x:
PacketIn = ser.read(6)
Device, Channel, Data, Cks, RSSI = struct.unpack(
"<ccHBB", PacketIn)
else:
PacketIn = ser.read(5)
Device, Channel, Data, Cks = struct.unpack("<ccHB", PacketIn)
RSSI = 0
print(PacketIn, len(PacketIn), 'l')
# Checksum processing
CksTest = 0
for byte in PacketIn[0:5]:
CksTest = CksTest ^ byte
print(Device, Channel, Data, Cks, "RSSI = ", RSSI)
Channel = str(Channel, 'ASCII')
SerialData = {
"Device": Device,
"Channel": Channel,
"Data": Data,
"RSSI": RSSI,
"Status": 1,
"ClientID": ClientID,
"Error": PacketIn,
}
# raise Exception('Test exception at line 96 of SensorLib.py')
if CksTest == 0:
print('Checksum correct!')
else:
print(
'"Huston - We have a problem!" *******************************'
)
SerialData = {
"Status": 0,
}
DataError(Device , Channel, \
"Checksums (recv/calc): "+str(Cks)+"/"+str(CksTest), PacketIn)
return (SerialData)
while SerialListen:
with serial.Serial(SERIAL_PORT, BAUDRATE) as ser:
# Data processing
# if DRF126x:
# PacketIn = ser.read(8)
# head1,head2,Device,Channel,Data,Cks,RSSI=struct.unpack("<ccccHBB",PacketIn)
# else:
# PacketIn = ser.read(7)
# head1,head2,Device,Channel,Data,Cks =struct.unpack("<ccccHB" ,PacketIn)
# RSSI = 0
Sync = ser.read_until(HEADIN)
# debugging Sync = str(Sync)+"*"
if not(Sync==HEADIN):
print( "Extra Sync text!", Sync, "**************")
Save2Cayenne (client, 'Stat', 1, 1)
Save2CSV (CSVPath, MQTTCreds.get('Client ID'), 'Sync-Error', Sync)
# print( "Header read:",Sync )
# while (len(PacketIn) < 6):
PacketIn = ser.read(5)
print( PacketIn, len(PacketIn), 'l' )
Device,Channel,Data,Cks=struct.unpack("<ccHB",PacketIn)
if DRF126x :
RSSI = ser.read(1)
else:
RSSI = 0
# null, null, b8, b9, b10,b11,Cks=struct.unpack("<BBBBBBB",PacketIn) (eg of PicAxe line)
# Checksum processing
CksTest = 0
