def perform_dfu_fwreboot(self, update_animation):
fwreboot(self.dev)
WAIT_TIME_MAX = 60
CHECK_PERIOD = 0.5
start_time = time.time()
# Wait until device turns off
while self.dev.initialized():
self.dev.close_device()
self.dev = NrfHidDevice(self.type, get_device_vid(self.type),
get_device_pid(self.type),
get_device_pid('dongle'))
time.sleep(CHECK_PERIOD)
while not self.dev.initialized():
update_animation()
self.dev = NrfHidDevice(self.type, get_device_vid(self.type),
get_device_pid(self.type),
get_device_pid('dongle'))
if time.time() - start_time > WAIT_TIME_MAX:
break
time.sleep(CHECK_PERIOD)
if self.dev.initialized():
print('DFU completed')
else:
print('Cannot connect to device after reboot')
return self.dev.initialized()
def open_device(device_type):
dev = None
devlist = [device_type]
if 'dongle' not in devlist:
devlist.append('dongle')
for i in devlist:
try:
vid = get_device_vid(i)
pid = get_device_pid(i)
dev = hid.Device(vid=vid, pid=pid)
break
except hid.HIDException:
pass
except Exception:
logging.error('Unknown error: {}'.format(sys.exc_info()[0]))
if dev is None:
print('Cannot find selected device nor dongle')
elif i == device_type:
print('Device found')
else:
print('Device connected via {}'.format(i))
return dev
def list_devices():
devices = hid.enumerate()
device_list = []
for device in devices:
device_type = get_device_type(device['product_id'])
if device_type is not None and \
get_device_vid(device_type) == device['vendor_id']:
print("Add {} to device list".format(device_type))
device_list.append(device_type)
return device_list
def configurator():
logging.basicConfig(level=logging.ERROR)
logging.info('Configuration channel for nRF52 Desktop')
args = parse_arguments()
dev = NrfHidDevice(args.device_type, get_device_vid(args.device_type),
get_device_pid(args.device_type),
get_device_pid('dongle'))
if not dev.initialized():
print('Cannot find selected device')
return
configurator.ALLOWED_COMMANDS[args.command](dev, args)
dev.close_device()
def __init__(self, device_type):
self.type = device_type
self.dev = NrfHidDevice(device_type, get_device_vid(device_type),
get_device_pid(device_type),
get_device_pid('dongle'))