def thread(package, port, address, server_port, panid, channel, jlink_snr, flash_connectivity,
sim, rate, reset_suppress):
"""
Perform a Device Firmware Update on a device that supports Thread DFU.
This requires a second nRF device, connected to this computer, with Thread Network
CoProcessor (NCP) firmware loaded. The NCP device will perform the DFU procedure onto
the target device.
"""
ble_driver_init('NRF52')
from nordicsemi.thread import tncp
from nordicsemi.thread.dfu_thread import create_dfu_server
from nordicsemi.thread.tncp import NCPTransport
from nordicsemi.thread.ncp_flasher import NCPFlasher
mcast_dfu = False
if address is None:
address = ipaddress.ip_address(u"ff03::1")
click.echo("Address not specified. Using ff03::1 (all Thread nodes)")
else:
try:
address = ipaddress.ip_address(address)
mcast_dfu = address.is_multicast
except:
click.echo("Invalid IPv6 address")
return 1
if (not sim):
if port is None and jlink_snr is None:
click.echo("Please specify serial port or Jlink serial number.")
return 2
elif port is None:
port = get_port_by_snr(jlink_snr)
if port is None:
click.echo("\nNo Segger USB CDC ports found, please connect your board.")
return 3
stream_descriptor = 'u:' + port
click.echo("Using connectivity board at serial port: {}".format(port))
else:
stream_descriptor = 'p:' + Flasher.which('ot-ncp') + ' 30'
click.echo("Using ot-ncp binary: {}".format(stream_descriptor))
if flash_connectivity:
flasher = NCPFlasher(serial_port=port, snr = jlink_snr)
if flasher.fw_check():
click.echo("Board already flashed with connectivity firmware.")
else:
click.echo("Flashing connectivity firmware...")
flasher.fw_flash()
click.echo("Connectivity firmware flashed.")
flasher.reset()
# Delay is required because NCP needs time to initialize.
time.sleep(1.0)
config = tncp.NCPTransport.get_default_config()
if (panid):
config[tncp.NCPTransport.CFG_KEY_PANID] = panid
if (channel):
config[tncp.NCPTransport.CFG_KEY_CHANNEL] = channel
if (flash_connectivity):
config[tncp.NCPTransport.CFG_KEY_RESET] = False
opts = type('DFUServerOptions', (object,), {})()
opts.rate = rate
opts.reset_suppress = reset_suppress
opts.mcast_dfu = mcast_dfu
transport = NCPTransport(server_port, stream_descriptor, config)
dfu = create_dfu_server(transport, package, opts)
try:
sighandler = lambda signum, frame : transport.close()
signal.signal(signal.SIGINT, sighandler)
signal.signal(signal.SIGTERM, sighandler)
transport.open()
# Delay DFU trigger until NCP promotes to a router (6 seconds by default)
click.echo("Waiting for NCP to promote to a router...")
time.sleep(6.0)
dfu.trigger(address, 3)
click.echo("Thread DFU server is running... Press <Ctrl + D> to stop.")
pause()
click.echo("Terminating")
except Exception as e:
logger.exception(e)
finally:
transport.close()
def thread(package, port, address, server_port, prefix, panid, channel, jlink_snr, flash_connectivity, sim):
ble_driver_init('NRF52')
from nordicsemi.thread import tncp
from nordicsemi.thread.dfu_thread import create_dfu_server
from nordicsemi.thread.tncp import NCPTransport
from nordicsemi.thread.ncp_flasher import NCPFlasher
"""Perform a Device Firmware Update on a device with a bootloader that supports Thread DFU."""
if address is None:
address = ipaddress.ip_address(u"ff03::1")
click.echo("Address not specified. Using ff03::1 (all Thread nodes)")
else:
try:
address = ipaddress.ip_address(address)
except:
click.echo("Invalid IPv6 address")
return
if (not sim):
if port is None and jlink_snr is None:
click.echo("Please specify serial port or Jlink serial number.")
return
elif port is None:
port = get_port_by_snr(jlink_snr)
if port is None:
click.echo("\nNo Segger USB CDC ports found, please connect your board.")
return
stream_descriptor = 'u:' + port
logger.info("Using connectivity board at serial port: {}".format(port))
else:
stream_descriptor = 'p:' + Flasher.which('ot-ncp') + ' 30'
logger.info("Using ot-ncp binary: {}".format(stream_descriptor))
if flash_connectivity:
flasher = NCPFlasher(serial_port=port, snr = jlink_snr)
if flasher.fw_check():
click.echo("Board already flashed with connectivity firmware.")
else:
click.echo("Flashing connectivity firmware...")
flasher.fw_flash()
click.echo("Connectivity firmware flashed.")
flasher.reset()
# Delay is required because NCP needs time to initialize.
time.sleep(1.0)
config = tncp.NCPTransport.get_default_config()
if (panid):
config[tncp.NCPTransport.CFG_KEY_PANID] = panid
if (channel):
config[tncp.NCPTransport.CFG_KEY_CHANNEL] = channel
if (flash_connectivity):
config[tncp.NCPTransport.CFG_KEY_RESET] = False
transport = NCPTransport(server_port, stream_descriptor, config)
dfu = create_dfu_server(transport, package, prefix)
try:
sighandler = lambda signum, frame : dfu.stop
signal.signal(signal.SIGINT, sighandler)
signal.signal(signal.SIGTERM, sighandler)
dfu.start()
dfu.trigger(address, 3)
click.echo("Press <ENTER> terminate")
pause()
click.echo("Terminating")
except Exception as e:
logger.exception(e)
finally:
dfu.stop()