本文整理汇总了Python中cflib.drivers.crazyradio.Crazyradio.scan_channels方法的典型用法代码示例。如果您正苦于以下问题：Python Crazyradio.scan_channels方法的具体用法？Python Crazyradio.scan_channels怎么用？Python Crazyradio.scan_channels使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cflib.drivers.crazyradio.Crazyradio的用法示例。
在下文中一共展示了Crazyradio.scan_channels方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: RadioDriver
# 需要导入模块: from cflib.drivers.crazyradio import Crazyradio [as 别名]
# 或者: from cflib.drivers.crazyradio.Crazyradio import scan_channels [as 别名]
#.........这里部分代码省略.........
else:
try:
return self.in_queue.get(True, time)
except Queue.Empty:
return None
def send_packet(self, pk):
""" Send the packet pk though the link """
# if self.out_queue.full():
# self.out_queue.get()
if (self.cradio is None):
return
try:
self.out_queue.put(pk, True, 2)
except Queue.Full:
if self.link_error_callback:
self.link_error_callback("RadioDriver: Could not send packet"
" to copter")
def pause(self):
self._thread.stop()
self._thread = None
def restart(self):
if self._thread:
return
self._thread = _RadioDriverThread(self.cradio, self.in_queue,
self.out_queue,
self.link_quality_callback,
self.link_error_callback)
self._thread.start()
def close(self):
""" Close the link. """
# Stop the comm thread
self._thread.stop()
# Close the USB dongle
try:
if self.cradio:
self.cradio.close()
except:
# If we pull out the dongle we will not make this call
pass
self.cradio = None
def _scan_radio_channels(self, start=0, stop=125):
""" Scan for Crazyflies between the supplied channels. """
return list(self.cradio.scan_channels(start, stop, (0xff,)))
def scan_interface(self):
""" Scan interface for Crazyflies """
if self.cradio is None:
try:
self.cradio = Crazyradio()
except Exception:
return []
else:
raise Exception("Cannot scann for links while the link is open!")
# FIXME: implements serial number in the Crazyradio driver!
serial = "N/A"
logger.info("v%s dongle with serial %s found", self.cradio.version,
serial)
found = []
self.cradio.set_arc(1)
self.cradio.set_data_rate(self.cradio.DR_250KPS)
found += map(lambda c: ["radio://0/{}/250K".format(c), ""],
self._scan_radio_channels())
self.cradio.set_data_rate(self.cradio.DR_1MPS)
found += map(lambda c: ["radio://0/{}/1M".format(c), ""],
self._scan_radio_channels())
self.cradio.set_data_rate(self.cradio.DR_2MPS)
found += map(lambda c: ["radio://0/{}/2M".format(c), ""],
self._scan_radio_channels())
self.cradio.close()
self.cradio = None
return found
def get_status(self):
if self.cradio is None:
try:
self.cradio = Crazyradio()
except USBError as e:
return "Cannot open Crazyradio. Permission problem?"\
" ({})".format(str(e))
except Exception as e:
return str(e)
return "Crazyradio version {}".format(self.cradio.version)
def get_name(self):
return "radio"示例2: RadioDriver
# 需要导入模块: from cflib.drivers.crazyradio import Crazyradio [as 别名]
# 或者: from cflib.drivers.crazyradio.Crazyradio import scan_channels [as 别名]
#.........这里部分代码省略.........
if self._thread:
return
self._thread = _RadioDriverThread(self.cradio, self.in_queue,
self.out_queue,
self.link_quality_callback,
self.link_error_callback,
self)
self._thread.start()
def close(self):
""" Close the link. """
# Stop the comm thread
self._thread.stop()
# Close the USB dongle
try:
if self.cradio:
self.cradio.close()
except:
# If we pull out the dongle we will not make this call
pass
self.cradio = None
while not self.out_queue.empty():
self.out_queue.get()
# Clear callbacks
self.link_error_callback = None
self.link_quality_callback = None
def _scan_radio_channels(self, start=0, stop=125):
""" Scan for Crazyflies between the supplied channels. """
return list(self.cradio.scan_channels(start, stop, (0xff,)))
def scan_selected(self, links):
to_scan = ()
for l in links:
one_to_scan = {}
uri_data = re.search('^radio://([0-9]+)((/([0-9]+))'
'(/(250K|1M|2M))?)?$',
l)
one_to_scan['channel'] = int(uri_data.group(4))
datarate = Crazyradio.DR_2MPS
if uri_data.group(6) == '250K':
datarate = Crazyradio.DR_250KPS
if uri_data.group(6) == '1M':
datarate = Crazyradio.DR_1MPS
if uri_data.group(6) == '2M':
datarate = Crazyradio.DR_2MPS
one_to_scan['datarate'] = datarate
to_scan += (one_to_scan,)
found = self.cradio.scan_selected(to_scan, (0xFF, 0xFF, 0xFF))
ret = ()
for f in found:
dr_string = ''
if f['datarate'] == Crazyradio.DR_2MPS:
dr_string = '2M'
if f['datarate'] == Crazyradio.DR_250KPS:
dr_string = '250K'