def loop():
try:
packet = lora.recv()
if not packet: return
info('loop', 'recv packet {}'.format(lora.packet_str(packet)))
base_name = '{}_'.format(get_channel())
data = []
op = packet[0]
size = len(packet)
if op == config.OP_ACK:
data.append({'bn': base_name, 'n': 'Flag', 'u': 'Flag', 'v': packet[9]})
data.append({'n': 'Lock', 'u': 'Lock', 'v': packet[10]})
data.append({'n': 'Package', 'u': 'Package', 'v': packet[11]})
data.append({'n': 'Power', 'u': 'Power', 'v': packet[12]})
data.append({'n': 'Error', 'u': 'Error', 'v': packet[13]})
box_checksum = packet[1:9]
info('loop', 'box checksum {}'.format(lora.packet_str(box_checksum)))
elif op == config.OP_CONNECT:
data.append({'bn': base_name, 'n': 'Flag', 'u': 'Flag', 'v': packet[0]})
data.append({'n': 'Lock', 'u': 'Lock', 'v': packet[1]})
data.append({'n': 'Package', 'u': 'Package', 'v': packet[2]})
data.append({'n': 'Power', 'u': 'Power', 'v': packet[3]})
data.append({'n': 'Error', 'u': 'Error', 'v': packet[4]})
box_key = packet[5:]
info('loop', 'box key {}'.format(lora.packet_str(box_key)))
elif op == config.OP_STATUS:
data.append({'bn': base_name, 'n': 'Flag', 'u': 'Flag', 'v': packet[9]})
data.append({'n': 'Lock', 'u': 'Lock', 'v': packet[10]})
data.append({'n': 'Package', 'u': 'Package', 'v': packet[11]})
data.append({'n': 'Power', 'u': 'Power', 'v': packet[12]})
box_checksum = packet[1:9]
info('loop', 'box checksum {}'.format(lora.packet_str(box_checksum)))
else:
raise Exception('invalid OP packet {}'.format(op))
if len(data) > 1:
info('send', 'ACK')
packet = bytearray(config.OP_ACK_SIZE)
packet[0] = config.OP_ACK
packet[1:9] = crypto.get_checksum(packet)
packet[9] = 1
packet[10] = 1
packet[11] = 1
packet[12] = 100
packet[13] = config.E_OK
lora.send(packet)
info('send', 'ACK {}'.format(lora.packet_str(packet)))
msg = Message(get_topic(), data)
info('loop', 'message {}'.format(msg))
publish(msg)
except Exception as ex:
error('loop', str(ex))
finally:
time.sleep(0)
def setup():
print('Program is starting ... ')
print('Press Ctrl-C to exit.')
lora.init()
#boxNum = box
#print('Mailbox Number: ' boxNum)
info('send', 'STATUS')
packet = bytearray(config.OP_STATUS_SIZE)
packet[0] = config.OP_STATUS
packet[1:9] = crypto.get_checksum(packet)
packet[9] = 1
packet[10] = 1
packet[11] = 1
packet[12] = 1
i = 0
for x in os.environ['GATE_PUB_KEYS'].split(','):
if i == 0:
i += 1
else:
lora.send(packet, i)
info('send', 'ACK {}'.format(lora.packet_str(packet)))
i += 1
def setup(box):
print('Program is starting ... ')
print('Press Ctrl-C to exit.')
lora.init()
print('Mailbox Number: ' + str(box))
info('send', 'STATUS')
packet = bytearray(config.OP_STATUS_SIZE)
packet[0] = config.OP_STATUS
packet[1:9] = crypto.get_checksum(packet)
packet[9] = 1
packet[10] = 1
packet[11] = 1
packet[12] = 1
lora.send(packet)
info('send', 'ACK {}'.format(lora.packet_str(packet)))