bleServer.dfu_send_image()
# Wait to receive the disconnect event from peripheral device.
time.sleep(1)
# Disconnect from peer device if not done already and clean up.
bleServer.disconnect()
except Exception, e:
print e
pass
except:
pass
# If Unpacker for zipfile used then delete Unpacker
if unpacker != None:
unpacker.delete()
print "DFU Server done"
#------------------------------------------------------------------------------
#
#------------------------------------------------------------------------------
if __name__ == '__main__':
# Do not litter the world with broken .pyc files.
sys.dont_write_bytecode = True
main()
#ble_dfu.start()
# Disconnect from peer device if not done already and clean up.
ble_dfu.disconnect()
except Exception, e:
# print traceback.format_exc()
print "Exception at line {}: {}".format(sys.exc_info()[2].tb_lineno, e)
pass
except:
pass
# If Unpacker for zipfile used then delete Unpacker
if unpacker != None:
unpacker.delete()
print "DFU Server done"
"""
------------------------------------------------------------------------------
------------------------------------------------------------------------------
"""
if __name__ == '__main__':
# Do not litter the world with broken .pyc files.
sys.dont_write_bytecode = True
main()
def main():
try:
parser = optparse.OptionParser(
usage=
'%prog -f <hex_file> -a <dfu_target_address>\n\nExample:\n\tdfu.py -f application.hex -d application.dat -a cd:e3:4a:47:1c:e4',
version='0.5')
parser.add_option('-a',
'--address',
action='store',
dest="address",
type="string",
default=None,
help='DFU target address.')
parser.add_option('-f',
'--file',
action='store',
dest="hexfile",
type="string",
default=None,
help='hex file to be uploaded.')
parser.add_option('-d',
'--dat',
action='store',
dest="datfile",
type="string",
default=None,
help='dat file to be uploaded.')
parser.add_option('-z',
'--zip',
action='store',
dest="zipfile",
type="string",
default=None,
help='zip file to be used.')
parser.add_option('--secure',
action='store_true',
dest='secure_dfu',
default=True,
help='Use secure bootloader (Nordic SDK > 12)')
parser.add_option('--legacy',
action='store_false',
dest='secure_dfu',
help='Use secure bootloader (Nordic SDK < 12)')
parser.add_option('-v',
'--verbose',
action='store_true',
dest='verbose',
help='Enable verbose mode')
options, args = parser.parse_args()
except Exception as e:
print(e)
print("For help use --help")
sys.exit(2)
try:
''' Validate input parameters '''
if not options.address:
parser.print_help()
exit(2)
unpacker = None
hexfile = None
datfile = None
if options.zipfile != None:
if (options.hexfile != None) or (options.datfile != None):
print("Conflicting input directives")
exit(2)
unpacker = Unpacker()
#print options.zipfile
try:
hexfile, datfile = unpacker.unpack_zipfile(options.zipfile)
except Exception as e:
print("ERR")
print(e)
pass
else:
if (not options.hexfile) or (not options.datfile):
parser.print_help()
exit(2)
if not os.path.isfile(options.hexfile):
print("Error: Hex file doesn't exist")
exit(2)
if not os.path.isfile(options.datfile):
print("Error: DAT file doesn't exist")
exit(2)
hexfile = options.hexfile
datfile = options.datfile
''' Start of Device Firmware Update processing '''
if options.verbose:
init_msg = \
"""
================================
== ==
== DFU Server ==
== ==
================================
"""
# print "DFU Server start"
print(init_msg)
if options.secure_dfu:
ble_dfu = BleDfuControllerSecure(options.address.upper(), hexfile,
datfile)
else:
ble_dfu = BleDfuControllerLegacy(options.address.upper(), hexfile,
datfile)
# Initialize inputs
ble_dfu.input_setup()
# Connect to peer device. Assume application mode.
if ble_dfu.scan_and_connect():
if not ble_dfu.check_DFU_mode():
print("Need to switch to DFU mode")
success = ble_dfu.switch_to_dfu_mode()
if not success:
print("Couldn't reconnect")
else:
# The device might already be in DFU mode (MAC + 1)
ble_dfu.target_mac_increase(1)
# Try connection with new address
print("Couldn't connect, will try DFU MAC")
if not ble_dfu.scan_and_connect():
raise Exception("Can't connect to device")
ble_dfu.start()
# Disconnect from peer device if not done already and clean up.
ble_dfu.disconnect()
except Exception as e:
# print traceback.format_exc()
print("Exception at line {}: {}".format(sys.exc_info()[2].tb_lineno,
e))
pass
except:
pass
# If Unpacker for zipfile used then delete Unpacker
if unpacker != None:
unpacker.delete()
if options.verbose:
print("DFU Server done")