def initializeRadio():
if testConfig:
radio = Radio(FREQ_915MHZ, node_id, network_id, key, True, False)# use for pytest -> fails for production
print("Radio Test Mode: set testConfig = False to enable hardware")
else:
radio = Radio(FREQ_915MHZ, node_id, network_id, encryptionKey=key, isHighPower=True, verbose=False) #use for production -> kwargs fails for pytest
return radio
def __init__(self):
self.radio = Radio(FREQ_915MHZ,
node_id,
network_id,
isHighPower=True,
verbose=True)
self.command_type = 1
self.r = 0
self.b = 0
self.g = 0
self.ir = 0
def test_receive():
with Radio(FREQ_433MHZ, 1, 100, isHighPower=True, verbose=True) as radio:
while True:
for _ in radio.get_packets():
assert True
return True
time.sleep(.1)
def test_init_bad_spi_device():
with pytest.raises(IOError) as _:
Radio(FREQ_433MHZ, 1, spiDevice=-1)
# def test_encryption_key_set():
# with Radio(FREQ_433MHZ, 1, encryptionKey="sampleEncryptKey") as radio:
# assert radio._enc
def main():
with Radio(FREQ_915MHZ,
THIS_NODE_ID,
NETWORK_ID,
isHighPower=False,
verbose=False) as radio:
print("node {} ready!!".format(THIS_NODE_ID))
#set bitrate to 1.2kbps from library default of 55kbps
# The minimum RSSI value that gets through goes down,
# Demonstrating that it is more robust
radio._writeReg(0x03, 0x68)
radio._writeReg(0x04, 0x2B)
# enable pre-amp on receiver, increasing sensitivty and range
# to verfiy, place Tx and RX in non moving locations, and print RSSI
# values with this used and without it. There should be a 2-4 dB
# benefit from using the pre-amp
# lowpowerlab.com/forum/rf-range-antennas-rfm69-library/rfm69hw-range-test!/
# radio._writeReg(0x58, 0x2D)
while True:
##print("termp is", radio.read_temperature())
#regs = radio.read_registers()
#for addr, data in regs:
# print( str(addr) + '\t' + str(data))
# Every 10 seconds get packets
# Process packets
packets = radio.get_packets()
if packets:
# print("received a message!!!")
for packet in packets:
print(packet.RSSI, bytes2floats(packet.data))
# print("no packet received :(")
# Every 5 seconds send a message
## if tx_counter > 5:
## tx_counter=0
##
## # Send
## print ("Sending")
## if radio.send(2, "TEST", attempts=3, waitTime=100):
## print ("Acknowledgement received")
## else:
## print ("No Acknowledgement")
#print("Listening...", len(radio.packets), radio.mode_name)
delay = .05
time.sleep(delay)
class kite:
def __init__(self):
self.radio = Radio(FREQ_915MHZ,
node_id,
network_id,
isHighPower=True,
verbose=True)
self.command_type = 1
self.r = 0
self.b = 0
self.g = 0
self.ir = 0
def send(self, color1, color2):
ct = self.command_type.to_bytes(1, byteorder='big')[0]
r = color1.r.to_bytes(1, byteorder='big')[0]
g = color1.g.to_bytes(1, byteorder='big')[0]
b = color1.b.to_bytes(1, byteorder='big')[0]
ir = self.ir.to_bytes(1, byteorder='big')[0]
ba = list([ct, r, g, b, ir])
print("Sending", ct, r, g, b, ir)
self.radio.send(recipient_id, ba, attempts=3, waitTime=100)
def run(self):
# just to make the library shutup about using pins already in use...
import RPi.GPIO as GPIO
GPIO.setwarnings(False)
with Radio(FREQ_915MHZ,
THIS_NODE_ID,
NETWORK_ID,
isHighPower=False,
verbose=False) as radio:
#set bitrate to 1.2kbps from library default of 55kbps
# The minimum RSSI value that gets through goes down,
# Demonstrating that it is more robust
radio._writeReg(0x03, 0x68)
radio._writeReg(0x04, 0x2B)
# enable pre-amp on receiver, increasing sensitivty and range
# to verfiy, place Tx and RX in non moving locations, and print RSSI
# values with this used and without it. There should be a 2-4 dB
# benefit from using the pre-amp
# lowpowerlab.com/forum/rf-range-antennas-rfm69-library/rfm69hw-range-test!
radio._writeReg(0x58, 0x2D)
last_receive_time = time.time()
is_connected = True
logger.info("Trying to initiate connection to skiff...")
while True:
# print("RadioPoller is polling...")
for packet in radio.get_packets():
if not is_connected:
logger.warning("Got a radio connection to skiff!")
is_connected = True
logger.debug("Got a radio packet with rssi={}".format(
packet.RSSI))
last_receive_time = time.time()
self.q.put(packet.data[:])
# print (packet.RSSI, bytes2floats(packet.data))
if is_connected and (time.time() - last_receive_time >
self.connection_timeout):
is_connected = False
logger.warning("Lost connection to skiff!")
time.sleep(self.sleep_time)
def run(self):
try:
# Get our async loop object.
self.loop = asyncio.get_event_loop()
# Record station location estimate, based on our base station's IP address.
self.record_location()
# Initialize the radio as a resource, unless a radio was passed in (i.e. testing).
self.logger.info('Radio initialization...')
if self.radio is None:
with Radio(
FREQ_915MHZ,
RADIO_BASE_NODE_ID,
RADIO_NETWORK_ID,
isHighPower=True,
encryptionKey=ENCRYPT_KEY,
power=
10, # Send at 100% power, since we don't care about power saving on this end (we are wired in).
promiscuous=
False, # We don't care about any messages except our weather station.
autoAcknowledge=
True, # Station expects Acknowledgements.
verbose=False) as radio:
self.radio = radio
self.logger.info('Done.')
self.start_daemon()
else:
self.start_daemon()
except KeyboardInterrupt: # If CTRL+C is pressed, exit cleanly:
self.logger.info('Keyboard interrupt.')
self.stop_daemon()
except Exception:
self.logger.info('An error occured: {0}.', exc_info=1)
self.stop_daemon()
finally:
self.shutdown()
def run_radio():
"""
Initialise radio and process radio packets
"""
# Initialise the radio and start processing packets
with Radio(FREQ_433MHZ,
base_station_id,
network_id,
isHighPower=True,
verbose=False,
encryptionKey=encrypt_key) as radio:
print("Starting radio loop")
while True:
# Process packets at each interval
for packet in radio.get_packets():
process_packet(packet, radio)
# Periodically process packets
delay = 0.05
time.sleep(delay)
GPIO.output(Power_LED_Pin_Number, Power_LED_STATE) # Set pin Low
# Button Pin
# Button Pin - Used to pair the Home Station to the User's WIFI
WPS_BUTTON_Pin_Number = 7 # Enter pin
GPIO.setup(WPS_BUTTON_Pin_Number, GPIO.IN, pull_up_down=GPIO.PUD_UP)
#GPIO.setup(WPS_BUTTON_Pin_Number, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
# Radio
node_id = 1
network_id = 100
recipient_id = 2
Radio_Power_Level = 90 # Between 0 - 100 (dB)
HomeRadio = Radio(FREQ_915MHZ,
node_id,
network_id,
isHighPower=True,
verbose=False)
# Main
TimeBetweenSystemCheck = 3600
#*******************************************#
# Control Panel - End #
#*******************************************#
#*******************************************#
# Begin #
#*******************************************#
# main.py will begin when system starts up using crontab
node_id = 2
network_id = 100
recipient_id = 1
def led(state):
if state == True:
GPIO.output(pin, GPIO.HIGH)
else:
GPIO.output(pin, GPIO.LOW)
return
with Radio(FREQ_915MHZ,
node_id,
network_id,
isHighPower=True,
promiscuousMode=True) as radio:
print("Starting Loop...")
rx_counter = 0
tx_counter = 0
while True:
#Receive Packets
if (radio.has_received_packet()):
packet = radio.get_packets()
if (len(packet[0].data) == 5):
print("Packet Received")
print(packet[0].data)
from RFM69 import Radio, FREQ_915MHZ
import datetime
import time
import random
node_id = 1
network_id = 100
recipient_id = 2
with Radio(FREQ_915MHZ, node_id, network_id, isHighPower=True,
verbose=True) as radio:
print("Starting loop...")
rx_counter = 0
tx_counter = 6
while True:
# Every 5 seconds send a message
if tx_counter > 5:
tx_counter = 0
r = random.randrange(255).to_bytes(1, byteorder='big')[0]
g = random.randrange(255).to_bytes(1, byteorder='big')[0]
b = random.randrange(255).to_bytes(1, byteorder='big')[0]
ba = list([r, g, b])
# Send
print("Sending")
if radio.send(2, ba, attempts=3, waitTime=100):
print("Sent packet to %s. Acked: %s" % (receiver, ret))
except ValueError:
print("Invalid RFM69 receiver: %s" % receiver_str)
def handle_stop_signals(signum, frame):
global running
print("Received signal %d." % signum)
running = False
running = True
rx_buffer = deque(maxlen = 10)
with Radio(FREQ_433MHZ, conf.node_id, conf.network_id, isHighPower=True, power=conf.radio_power,
interruptPin=conf.interrupt_pin, resetPin=conf.reset_pin, spiBus=conf.spi_bus, spiDevice=conf.spi_device,
autoAcknowledge=False) as radio:
signal.signal(signal.SIGINT, handle_stop_signals)
signal.signal(signal.SIGTERM, handle_stop_signals)
print("rfm69-mqtt-gateway starting..")
print("Used configuration:")
pprint(conf.__dict__)
mqtt = MQTT(conf.mqtt_broker, conf.tx_subs_topic)
while running:
forward_from_radio_to_mqtt(radio, mqtt)
forward_from_mqtt_to_radio(mqtt, radio)
time.sleep(0.005)
temp = -999.00 #default start values
lightLevel = -999
Humidity = -999
#default state JSON object avoids rare instance of this not being initialized yet (ie if initial data takes longer than 3 seconds )
JSONPayload = '{"state":{"desired":{"Light":' + str(
lightLevel) + ', "Temperature": ' + str(temp) + ', "Time": "' + str(
-999) + '"}}}'
#initialize radio transceiver------------------------------------------------------------
#---------------------------------------------------------------------------------------
with Radio(FREQ_915MHZ,
node_id,
network_id,
encryptionKey=key,
isHighPower=True,
verbose=False) as radio:
clear()
print("INITIALIZING RADIO TRANSCEIVER NETWORK:\n\n")
time.sleep(0.5)
while True:
# Every 1 seconds check for packets----------------------------------
if rx_counter >= 1:
rx_counter = 0.0 #reset counter
if radio.has_received_packet():
#print("\n\nData Packet Received")
def test_init_success():
radio = Radio(FREQ_433MHZ, 1)
assert type(radio) == Radio
def test_init_bad_interupt():
with pytest.raises(ValueError) as _:
Radio(FREQ_433MHZ, 1, interruptPin=0)
def test_init_bad_spi_bus():
with pytest.raises(IOError) as _:
Radio(FREQ_433MHZ, 1, spiBus=-1)
#!/usr/bin/env python3
from RFM69 import Radio, FREQ_433MHZ
import datetime
import time
this_node_id = 1
network_id = 100
recipient_id = 2
with Radio(FREQ_433MHZ, this_node_id) as radio:
print("Starting loop...")
rx_counter = 0
tx_counter = 0
while True:
# every 10 seconds, get packets
if rx_counter > 10:
rx_counter = 0
for packet in radio.get_packets():
print(packet)
# every 5 seconds, send a message
if tx_counter > 5:
tx_counter = 0
print("Sending...")
if radio.send(2, "TEST", attempts=3, waitTime=100):
print("Acknowledgement received")
else:
sensor_id = "sensor{}".format(packet.sender)
for key, value in dict(volume=packet.data[0],
battery=packet.data[1],
RSSI=packet.RSSI).items():
if not save_reading(sensor_id, key, ts, value):
if create_sensor(sensor_id):
create_channel(sensor_id, key)
else:
print("Failed to create sensor")
print("Starting 123")
with Radio(FREQ_433MHZ, 1, isHighPower=True, power=100, verbose=True) as radio:
print("Starting loop")
while True:
print("loop")
while not radio.has_received_packet():
# radio.broadcast('advert')
# print("Advert Send")
time.sleep(.2)
for packet in radio.get_packets():
print("Packet received", packet.to_dict())
process_packet(packet)
async def send(radio, to, message):
print("Sending")
if radio.send(to, message, attempts=3, waitTime=100):
print("Acknowledgement received")
else:
print("No Acknowledgement")
async def pinger(radio):
print("Pinger")
counter = 0
while True:
await send(radio, 2, "ping {}".format(counter))
counter += 1
await asyncio.sleep(5)
loop = asyncio.get_event_loop()
node_id = 1
network_id = 100
with Radio(FREQ_433MHZ, node_id, network_id, isHighPower=True,
verbose=False) as radio:
print("Started radio")
loop.create_task(receiver(radio))
loop.create_task(pinger(radio))
loop.run_forever()
loop.close()
def test_transmit():
with Radio(FREQ_433MHZ, 1, 100, isHighPower=True, verbose=True) as radio:
success = radio.send(2, "Banana", attempts=5, waitTime=100)
assert success == True
def test_init_bad_reset():
with pytest.raises(ValueError) as _:
Radio(FREQ_433MHZ, 1, resetPin=0)
