def main():
print(" +---------------------------------------------------+")
print(" | XBee Python Library Receive Bluetooth File Sample |")
print(" +---------------------------------------------------+\n")
file = None
device = XBeeDevice(PORT, BAUD_RATE)
try:
device.open()
def bluetooth_data_callback(data):
global file
# Check if the data is 'START' or 'END'.
if data.startswith(bytearray(MSG_START, 'utf-8')):
# Get the file name.
file_name = data.decode('utf-8').split(SEPARATOR)[1]
# Open the file for writing.
file = open(file_name, "w+b")
print(">> START message received, saving data to file...")
send_ack(device)
elif data == bytearray(MSG_END, 'utf-8'):
file.close()
print(">> END message received, file '%s'\n" % file.name)
send_ack(device)
elif file is not None:
payload = data[:-1]
checksum = data[-1]
# Validate the checksum.
if 0xFF - (sum(payload) & 0xFF) == checksum:
# Write block to file.
file.write(payload)
send_ack(device)
device.add_bluetooth_data_received_callback(bluetooth_data_callback)
print("Waiting for data from the Bluetooth interface...\n")
input()
finally:
if file is not None and file.closed:
file.close()
if device is not None and device.is_open():
device.close()
def main():
print(" +---------------------------------------------------+")
print(" | XBee Python Library Receive Bluetooth Data Sample |")
print(" +---------------------------------------------------+\n")
device = XBeeDevice(PORT, BAUD_RATE)
try:
device.open()
def bluetooth_data_callback(data):
print("Data received from Bluetooth >> '%s'" %
data.decode("utf-8"))
device.add_bluetooth_data_received_callback(bluetooth_data_callback)
print("Waiting for data from the Bluetooth interface...\n")
input()
finally:
if device is not None and device.is_open():
device.close()
