#!/usr/bin/python # -*- coding: utf-8 -*- # # Example program to receive packets from the radio link # import time from nrf24 import NRF24 import RPi.GPIO as GPIO import spidev GPIO.setmode(GPIO.BCM) pipes = [[0xe7, 0xe7, 0xe7, 0xe7, 0xe7], [0xc2, 0xc2, 0xc2, 0xc2, 0xc2]] radio2 = NRF24(GPIO, spidev.SpiDev()) radio2.begin(0, 17) radio2.setRetries(15, 15) radio2.setPayloadSize(32) radio2.setChannel(0x60) radio2.setDataRate(NRF24.BR_2MBPS) radio2.setPALevel(NRF24.PA_MIN) radio2.setAutoAck(True) radio2.enableDynamicPayloads() radio2.enableAckPayload() radio2.openWritingPipe(pipes[0]) radio2.openReadingPipe(1, pipes[1])
#!/usr/bin/python # -*- coding: utf-8 -*- from nrf24 import NRF24 import time pipes = [[0x34, 0x43, 0x10, 0x10, 0x01], [0x34, 0x43, 0x10, 0x10, 0x01]] radio = NRF24() radio.begin(0, 0, 22, 18) #Set CE and IRQ pins radio.setAutoAck(True) radio.enableDynamicPayloads() radio.enableAckPayload() radio.setRetries(15, 15) radio.setPayloadSize(32) radio.setChannel(0x28) radio.setDataRate(NRF24.BR_2MBPS) radio.setPALevel(NRF24.PA_MAX) radio.openWritingPipe(pipes[1]) radio.openReadingPipe(0, pipes[0]) #radio.startListening() #radio.stopListening() radio.printDetails() while True:
import virtGPIO as GPIO from nrf24 import NRF24 import time pipes = [[0xe7, 0xe7, 0xe7, 0xe7, 0xe7], [0xc2, 0xc2, 0xc2, 0xc2, 0xc2]] # Comment re multiple SPIDEV devices: # Official spidev documentation is sketchy. Implementation in virtGPIO allows multiple SpiDev() objects. # This may not work on RPi? Probably RPi uses alternating open() / xfer2() /close() within one SpiDev() object??? # On virtGPIO each of multiple SpiDev() stores its own mode and cePin. Multiple RF24 used here becomes easy. # This issue affects only using MULTIPLE Spi devices. ################################################################## # SET UP RADIO1 - PTX radio1 = NRF24(GPIO, GPIO.SpiDev()) radio1.begin(9) # SPI-CE=RF24-CSN=pin9, no RF24-CE pin time.sleep(1) radio1.setRetries(15, 15) radio1.setPayloadSize(32) radio1.setChannel(0x62) radio1.setDataRate(NRF24.BR_2MBPS) radio1.setPALevel(NRF24.PA_MIN) radio1.setAutoAck(True) radio1.enableDynamicPayloads() radio1.enableAckPayload() radio1.openWritingPipe(pipes[1]) radio1.openReadingPipe(1, pipes[0]) if not radio1.isPVariant():
#
# Example program to send packets to the radio
#
# João Paulo Barraca <*****@*****.**>
#
from nrf24 import NRF24
import time
pipes = [[0xe7, 0xe7, 0xe7, 0xe7, 0xe7], [0xc2, 0xc2, 0xc2, 0xc2, 0xc2]]
radio = NRF24.NRF24()
radio.begin(1, 0, "P9_15", "P9_16") #Set CE and IRQ pins
radio.setRetries(15, 15)
radio.setPayloadSize(8)
radio.setChannel(0x60)
radio.setDataRate(NRF24.NRF24.BR_250KBPS)
radio.setPALevel(NRF24.NRF24.PA_MAX)
radio.openWritingPipe(pipes[1])
radio.openReadingPipe(1, pipes[0])
radio.startListening()
radio.stopListening()
radio.printDetails()
buf = ['P', 'I', 'N', 'G']
while True:
radio.write(buf)
# RADIO CONFIGURATION
NAMES = {
32: 'Student 1',
33: 'Student 2'
} # Device ID Alias for teacher interface
devices = [32, 33]
pipes = {
32: [0xc2, 0xc2, 0xc2, 0xc2, 0xc2],
33: [0xe7, 0xe7, 0xe7, 0xe7, 0xe7]
}
answers = []
r = NRF24()
rf_lock = threading.Lock() # Regulates access to RF Radio
CLASS_ID = 0x00
device_id = 32
polling = False
@app.route('/')
def index():
return flask.render_template('index.html')
@app.route('/question_start')
def start_question():
poll_thread = threading.Thread(target=poll_student)
poll_thread.start()
#!/usr/bin/python # -*- coding: utf-8 -*- # # Example program to send packets to the radio link # import virtGPIO as GPIO from nrf24 import NRF24 import time pipes = [[0xe7, 0xe7, 0xe7, 0xe7, 0xe7], [0xc2, 0xc2, 0xc2, 0xc2, 0xc2]] radio = NRF24(GPIO, GPIO.SpiDev()) radio.begin(10, 8) # Set spi-ce pin10, and rf24-CE pin 8 time.sleep(1) radio.setRetries(15, 15) radio.setPayloadSize(32) radio.setChannel(0x60) radio.setDataRate(NRF24.BR_2MBPS) radio.setPALevel(NRF24.PA_MIN) radio.setAutoAck(True) radio.enableDynamicPayloads() radio.enableAckPayload() radio.openWritingPipe(pipes[1]) radio.openReadingPipe(1, pipes[0]) radio.printDetails() c = 1 while True:
def main(argv):
print '##################################################################'
print '# NRF24 gateway #'
print '##################################################################'
# Wait while internet appear
import urllib2
loop_value = 1
while (loop_value < 10):
try:
urllib2.urlopen("http://google.com")
except:
print( "Network: currently down." )
time.sleep( 10 )
loop_value = loop_value + 1
else:
print( "Network: Up and running." )
loop_value = 10
pipes = [[0xf0, 0xf0, 0xf0, 0xf0, 0xd2], [0xf0, 0xf0, 0xf0, 0xf0, 0xe1]]
configFileName = os.path.dirname(os.path.abspath(__file__)) + '/config.json'
debugMode = 0
try:
opts, args = getopt.getopt(argv,"hd:f:",["debug=","configFile="])
except getopt.GetoptError:
print 'smart_gateway.py -d <debugMode:0/1>'
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
print 'Example for call it in debug mode: smart_gateway.py -d 1 -f config.json'
sys.exit()
elif opt in ("-d", "--debug"):
debugMode = arg
elif opt in ("-f", "--configFile"):
configFileName = arg
print 'Start Parameters:'
print ' debugMode:', debugMode
print ' configFileName:', configFileName
json_data=open(configFileName)
config_data = json.load(json_data)
json_data.close()
print ' Server URL:', config_data["Server"]["url"]
print ' Company ID:', config_data["Server"]["id"]
print ' Gateway ID:', config_data["Server"]["Deviceid"]
print ' Service Bus:', config_data["Servicebus"]["namespace"]
print ''
nowPI = datetime.now().strftime("%Y-%m-%dT%H:%M:%S")
href = config_data["Server"]["url"] + 'API/Device/GetServerDateTime'
token = config_data["Server"]["key"]
authentication = config_data["Server"]["id"] + ':' + token
headers = {'Content-Type': 'application/json; charset=utf-8', 'Accept': 'application/json', 'Authentication': authentication}
#r = requests.get(href, headers=headers, verify=False)
r = requests.get(href, headers=headers)
if r.status_code == 200:
nowPI = r.json()
print ("Setting up time to: " + nowPI)
os.popen('sudo -S date -s "' + nowPI + '"', 'w').write("123")
else:
print 'Error in setting time. Server response code: %i' % r.status_code
href = config_data["Server"]["url"] + 'api/Device/DeviceConfigurationUpdate'
token = config_data["Server"]["key"]
authentication = config_data["Server"]["id"] + ":" + token
if debugMode==1: print(authentication)
headers = {'Content-Type': 'application/json; charset=utf-8', 'Accept': 'application/json', 'Timestamp': nowPI, 'Authentication': authentication}
deviceDetail = {}
deviceDetail["DeviceIdentifier"] = config_data["Server"]["Deviceid"]
deviceDetail["DeviceType"] = "Custom"
deviceDetail["DeviceConfigurations"] = [{'Key':'IPPrivate','Value':[(s.connect(('8.8.8.8', 80)), s.getsockname()[0], s.close()) for s in [socket.socket(socket.AF_INET, socket.SOCK_DGRAM)]][0][1]},
{'Key':'IPPublic','Value': requests.get('http://icanhazip.com/').text},
{'Key': 'Configuration', 'Value': json.dumps(config_data) },
{'Key':'MAC','Value': ':'.join(("%012X" % get_mac())[i:i+2] for i in range(0, 12, 2))}
]
payload = {'Device': deviceDetail}
if debugMode == 1: print 'Request Content: {0}'.format(json.dumps(payload))
#r = requests.post(href, headers=headers, data=json.dumps(payload), verify=False)
r = requests.post(href, headers=headers, data=json.dumps(payload))
if r.status_code == 200:
if debugMode == 1: print 'Configuration Response Content: {0}'.format(r.content)
data = json.loads(r.text)
for entry in data['Device']['DeviceConfigurations']:
if entry['Key'] == 'Configuration':
with open(configFileName, 'w') as outfile:
json.dump(json.loads(entry['Value']), outfile)
print 'Device configuration Successfully updated'
else:
print 'Error in Device configuration update. Server response code: {0} {1}'.format(r.status_code, r.content)
queue_name = 'custom_' + config_data["Server"]["id"] + '_' + config_data["Server"]["Deviceid"]
bus_service = ServiceBusService( service_namespace=config_data["Servicebus"]["namespace"],
shared_access_key_name=config_data["Servicebus"]["shared_access_key_name"],
shared_access_key_value=config_data["Servicebus"]["shared_access_key_value"])
try:
bus_service.receive_queue_message(queue_name, peek_lock=True)
print ' Succesfully connected to queue'
print ' Actuator queue: ' + queue_name
except:
queue_options = Queue()
queue_options.max_size_in_megabytes = '1024'
queue_options.default_message_time_to_live = 'PT15M'
bus_service.create_queue(queue_name, queue_options)
print ' Succesfully created queue'
print ' Actuator queue: ' + queue_name + ' (Created)'
GPIO.setwarnings(False)
radio = NRF24()
radio.begin(0, 0, 25, 18) #set gpio 25 as CE pin
radio.setRetries(15,15)
radio.setPayloadSize(32)
radio.setChannel(0x4c)
radio.setDataRate(NRF24.BR_250KBPS)
radio.setPALevel(NRF24.PA_MAX)
radio.setAutoAck(1)
radio.openWritingPipe(pipes[1])
radio.openReadingPipe(1, pipes[0])
radio.startListening()
radio.stopListening()
print ''
print 'NRF24 Module Configuration Details:'
radio.printDetails()
radio.startListening()
print ''
cloudCommandLastCheck = datetime.now()
# List to hold all commands that was send no ACK received
localCommandSendAckWaitList = []
while True:
pipe = [0]
cloudCommand = ''
nowPI = datetime.now()
while not radio.available(pipe, True):
radioTime = datetime.now()
tdelta = nowPI-radioTime
time.sleep(1)
if (abs(tdelta.total_seconds()) > 10): break
recv_buffer = []
radio.read(recv_buffer)
out = ''.join(chr(i) for i in recv_buffer)
nowPI = datetime.now()
if debugMode == 1: print localCommandSendAckWaitList
if out.find(';')>0:
out = out.split(';')[0]
print 'L: Received: ' + out
temp =out.split("_")
if debugMode == 1: print (temp)
if temp[0] in config_data["Devices"]:
if temp[1] == 'ack':
# Clean list once ACK from SN is received
localCommandSendAckWaitList= [x for x in localCommandSendAckWaitList if x != temp[2]]
print '<- Broadcast complete, ACK received for: ' + temp[2]
else:
sendMeasure(config_data, nowPI.strftime("%Y-%m-%dT%H:%M:%S"), temp[1], temp[2], config_data["Devices"][temp[0]], debugMode)
print 'L: Generated selfok'
sendMeasure(config_data, nowPI.strftime("%Y-%m-%dT%H:%M:%S"), 'live', 1, config_data["Server"]["Deviceid"], debugMode)
else:
if temp[0] == '???':
print 'New Device Registration, HandshakeID=' + temp[2]
localId = sendSensorRegistration(config_data, nowPI.strftime("%Y-%m-%dT%H:%M:%S"), 'new custom device (' + temp[2] + ')')
if localId != 0:
localCommandSendAckWaitList.append('???_v02_' + temp[2] + '_' + localId)
# Reload config data as we succesfully registered new device
json_data=open(configFileName)
config_data = json.load(json_data)
json_data.close()
else:
print '-> ignore'
if queue_name <> '':
# if check timeout is gone go to Azure and grab command to execute
tdelta = nowPI-cloudCommandLastCheck
manager = ThreadManager(bus_service, queue_name, localCommandSendAckWaitList, config_data)
thread = manager.new_thread()
if (abs(tdelta.total_seconds()) > 10) and thread is not None:
cloudCommandLastCheck = datetime.now()
thread.run()
if debugMode == 1: print localCommandSendAckWaitList
# Repeat sending/span commands while list is not empty
for localCommand in localCommandSendAckWaitList:
radio.stopListening()
buf = list(localCommand)
radio.write(buf)
print 'L: Broadcast Command: ' + localCommand
time.sleep(1)
radio.startListening()
class iotp2pran:
# Pipes in use.
# P0 is the TX pipe, others are RX
pipes = []
# The radio, supports NRF24L01P
radio = NRF24()
# Signal the network to go down
SHUTDOWN_SIGNAL = False
def __init__(self):
pipes = [[0x70, 0x70, 0x70, 0x70, 0x71],
[0x70, 0x70, 0x70, 0x70, 0x70]]
# We have CE on GPIO 22 (pin 15) and IRQ on GPIO 24 (pin 18)
self.radio.begin(0, 0, 15, 18)
# Default iotp2p RAN parameters
self.radio.setCRCLength(NRF24.CRC_8)
self.radio.setRetries(15, 15)
self.radio.setPayloadSize(4)
self.radio.setChannel(0x0A)
self.radio.setDataRate(NRF24.BR_250KBPS)
self.radio.setPALevel(NRF24.PA_MAX)
self.radio.setAutoAck(1)
self.radio.openWritingPipe(pipes[0])
self.radio.openReadingPipe(1, pipes[1])
self.radio.startListening()
#
# Reads one command from the specified pipe
# TODO: timeout missing, if someone sends one block and drops off net
# that stuff will stick to the next caller start of message.
#
def readMessage(self, pipe):
recv_str = ""
self.radio.startListening()
while (not recv_str.endswith('\n')):
recv_buf = []
while not self.radio.available(pipe, False):
time.sleep(1000 / 1000000.0)
self.radio.read(recv_buf)
for c in recv_buf:
if (c != 0):
recv_str += str(unichr(c))
return recv_str[0:-1]
def sendMessage(self, command):
send_buf = [0] * self.radio.payload_size
command += "\n"
# We must align the string to payload size boundary, so we pad with nulls
for cx in range(
0,
len(command) + (self.radio.payload_size -
(len(command) % self.radio.payload_size))):
send_buf[cx % self.radio.payload_size] = command[cx] if cx < len(
command) else 0
if ((cx % self.radio.payload_size) == self.radio.payload_size - 1):
self.radio.stopListening()
self.radio.write(send_buf)
self.radio.startListening()
bx = 0
def broadcastBCH(self):
while not self.SHUTDOWN_SIGNAL:
self.radio.stopListening()
self.sendMessage("BCH:IOT0.0")
self.radio.startListening()
time.sleep(1)
def startNetwork(self):
self.SHUTDOWN_SIGNAL = False
thread = Thread(target=self.broadcastBCH)
thread.start()
def stopNetwork(self):
self.SHUTDOWN_SIGNAL = True
from nrf24 import NRF24 import time pipes = [[0xe7, 0xe7, 0xe7, 0xe7, 0xe7], [0xc2, 0xc2, 0xc2, 0xc2, 0xc2]] radio = NRF24(15, 24) radio.begin(0, 0, 17) #radio.begin(1, 0, "P8_23", "P8_24") radio.setRetries(15, 15) radio.setPayloadSize(32) radio.setChannel(0x60) radio.setDataRate(NRF24.BR_2MBPS) radio.setPALevel(NRF24.PA_MIN) radio.setAutoAck(True) radio.enableDynamicPayloads() radio.enableAckPayload() radio.openWritingPipe(pipes[0]) radio.openReadingPipe(1, pipes[1]) radio.startListening() radio.stopListening() radio.printDetails() radio.startListening() c = 1
