本文整理匯總了Python中xbee.frame.APIFrame.parse方法的典型用法代碼示例。如果您正苦於以下問題:Python APIFrame.parse方法的具體用法?Python APIFrame.parse怎麽用?Python APIFrame.parse使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類xbee.frame.APIFrame
的用法示例。
在下文中一共展示了APIFrame.parse方法的9個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self, timeout=None):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
frame = APIFrame(escaped=self._escaped)
deadline = 0
if timeout is not None and timeout > 0:
deadline = time.time() + timeout
while True:
if self._callback and not self._thread_continue:
raise ThreadQuitException
if self.serial.inWaiting() == 0:
if deadline and time.time() > deadline:
raise _TimeoutException
time.sleep(.01)
continue
byte = self.serial.read()
if byte != APIFrame.START_BYTE:
continue
# Save all following bytes, if they are not empty
if len(byte) == 1:
frame.fill(byte)
while(frame.remaining_bytes() > 0):
byte = self.serial.read()
if len(byte) == 1:
frame.fill(byte)
try:
# Try to parse and return result
frame.parse()
# Ignore empty frames
if len(frame.data) == 0:
frame = APIFrame()
continue
return frame
except ValueError:
# Bad frame, so restart
frame = APIFrame(escaped=self._escaped)
示例2: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self, timeout=None):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
frame = APIFrame(escaped=self._escaped)
deadline = 0
if timeout is not None and timeout > 0:
deadline = time.time() + timeout
while True:
if self._exit.is_set():
raise ThreadQuitException
byte = self.serial.read()
if byte != APIFrame.START_BYTE:
if deadline and time.time() > deadline:
raise TimeoutException
continue
if timeout is not None and timeout > 0:
deadline = time.time() + timeout
frame.fill(byte) # Save all following bytes
while frame.remaining_bytes() > 0:
if self._exit.is_set():
raise ThreadQuitException
if self.serial.inWaiting() < 1 and deadline and time.time() > deadline:
raise TimeoutException, len(frame.data)
byte = self.serial.read(frame.remaining_bytes())
for b in byte:
frame.fill(b)
try:
# Try to parse and return result
frame.parse()
return frame
except ValueError:
# Bad frame, so restart
frame = APIFrame(escaped=self._escaped)
示例3: test_single_byte
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def test_single_byte(self):
"""
read a frame containing a single byte
"""
api_frame = APIFrame()
frame = b'\x7E\x00\x01\x00\xFF'
expected_data = b'\x00'
for byte in frame:
api_frame.fill(intToByte(byteToInt(byte)))
api_frame.parse()
self.assertEqual(api_frame.data, expected_data)
示例4: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
frame = APIFrame(escaped=self._escaped)
while True:
if self._callback and not self._thread_continue:
raise ThreadQuitException
bytes = self.serial.read(1)
byte = bytes[0]
if byte != APIFrame.START_BYTE:
continue
frame.fill(byte)
while True:
remaining_bytes = frame.remaining_bytes()
if remaining_bytes < 1:
break
bytes = self.serial.read(remaining_bytes)
for byte in bytes:
frame.fill(byte)
try:
# Try to parse and return result
frame.parse()
# Ignore empty frames
if len(frame.data) == 0:
frame = APIFrame()
continue
return frame
except ValueError:
# Bad frame, so restart
frame = APIFrame(escaped=self._escaped)
示例5: test_single_byte
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def test_single_byte(self):
"""
read a frame containing a single byte
"""
frame = '\x7E\x00\x01\x00\xFF'
expected_data = '\x00'
data = APIFrame.parse(frame).data
self.assertEqual(data, expected_data)
示例6: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self, msec):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
frame = APIFrame(escaped=self._escaped)
timeoutflag = False if msec < 0 else True
limit = time.time() + msec / 1000.0
while True:
if timeoutflag and time.time() > limit:
return None
if self._callback and not self._thread_continue:
raise ThreadQuitException
if self.serial.inWaiting() == 0:
time.sleep(.01)
continue
byte = self.serial.read()
if byte != APIFrame.START_BYTE:
continue
# Save all following bytes
frame.fill(byte)
while(frame.remaining_bytes() > 0):
frame.fill(self.serial.read())
try:
# Try to parse and return result
frame.parse()
return frame
except ValueError:
# Bad frame, so restart
frame = APIFrame(escaped=self._escaped)
示例7: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
frame = APIFrame(escaped=self._escaped)
mode = 0
while True:
if self._callback and not self._thread_continue:
raise ThreadQuitException
while ( self.serial.inWaiting() <1):
time.sleep(0.01)
byte = self.serial.read()
if byte =='':
continue
if (mode ==0):
if byte == APIFrame.START_BYTE:
mode=1
else:
continue
frame.fill(byte)
if ( (mode==1) and (frame.remaining_bytes() <=0) ) :
try:
# Try to parse and return result
frame.parse()
mode =0
return frame
except ValueError:
# Bad frame, so restart
mode=0
frame = APIFrame(escaped=self._escaped)
示例8: _process_input
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _process_input(self, data, events):
"""
_process_input:
_process_input will be notified when there is data ready on the
serial connection to be read. It will read and process the data
into an API Frame and then either resolve a frame future, or push
the frame into the queue of frames needing to be processed
"""
frame = APIFrame(escaped=self._escaped)
byte = self.serial.read()
if byte != APIFrame.START_BYTE:
return
# Save all following bytes, if they are not empty
if len(byte) == 1:
frame.fill(byte)
while(frame.remaining_bytes() > 0):
byte = self.serial.read()
if len(byte) == 1:
frame.fill(byte)
try:
# Try to parse and return result
frame.parse()
# Ignore empty frames
if len(frame.data) == 0:
return
if self._frame_future is not None:
self._frame_future.set_result(frame)
self._frame_future = None
else:
self._frame_queue.append(frame)
except ValueError:
return
示例9: _wait_for_frame
# 需要導入模塊: from xbee.frame import APIFrame [as 別名]
# 或者: from xbee.frame.APIFrame import parse [as 別名]
def _wait_for_frame(self):
"""
_wait_for_frame: None -> binary data
_wait_for_frame will read from the serial port until a valid
API frame arrives. It will then return the binary data
contained within the frame.
If this method is called as a separate thread
and self.thread_continue is set to False, the thread will
exit by raising a ThreadQuitException.
"""
WAITING = 0
PARSING = 1
data = ''
state = WAITING
while True:
if state == WAITING:
if self._callback and not self._thread_continue:
raise ThreadQuitException
if self.serial.inWaiting() == 0:
time.sleep(.01)
continue
byte = self.serial.read()
# If a start byte is found, swich states
if byte == APIFrame.START_BYTE:
data += byte
state = PARSING
else:
# Save all following bytes
data += self.serial.read()
if len(data) == 3:
# We have the length bytes of the data
# Now, wait for the rest to appear
data_len = struct.unpack("> h", data[1:3])[0]
# Wait for the expected number of bytes to appear
# Grab the checksum too
data += self.serial.read(data_len + 1)
try:
# Try to parse and return result
return APIFrame.parse(data)
except ValueError:
# Bad frame, so restart
data = ''
state = WAITING