def run(self):
try:
if self.sf is not None:
self.sf.close()
self.sf = SerialFlow(**self.serial_arg)
except serial.IOError as e:
self.error_q.put(e.message)
return
if self.data_format == FMT_SIMPLE:
self.sf.setPacketFormat(1, 0, 0)
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
self.sf.setPacketFormat(self.value_size, 3, self.separator)
# Restart the clock
tshift = time.clock()
while self.alive.isSet():
timestamp = time.clock() - tshift
if self.data_format == FMT_SIMPLE:
bt = self.sf.receiveByte()
if bt is not None:
self.data_q.put((timestamp, bt))
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
if self.sf.receivePacket():
self.data_q.put((timestamp, self.sf.listPacketValues()))
# clean up
if self.sf is not None:
self.sf.close()
def run(self):
try:
if self.sf is not None:
self.sf.close()
self.sf = SerialFlow(**self.serial_arg)
except serial.IOError as e:
self.error_q.put(e.message)
return
if self.data_format == FMT_SIMPLE:
self.sf.setPacketFormat(1, 0, 0)
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
self.sf.setPacketFormat(self.value_size, 3, self.separator)
# Restart the clock
tshift = time.clock()
while self.alive.isSet():
timestamp = time.clock() - tshift
if self.data_format == FMT_SIMPLE:
bt = self.sf.receiveByte()
if bt is not None:
self.data_q.put((timestamp, bt))
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
if self.sf.receivePacket():
self.data_q.put((timestamp, self.sf.listPacketValues()))
# clean up
if self.sf is not None:
self.sf.close()
class ComMonitorThread(threading.Thread):
""" A thread for monitoring a COM port. The COM port is
opened when the thread is started.
data_q:
Queue for received data. Depending on data format,
items in the queue are (timestamp, data.byte ) pairs or
(timestamp, [[bit1,bit2],[bit,bit2],...]).
error_q:
Queue for error messages. In particular, if the
serial port fails to open for some reason, an error
is placed into this queue.
port:
The COM port to open. Must be recognized by the
system.
port_baud/stopbits/parity:
Serial communication parameters
port_timeout:
The timeout used for reading the COM port. If this
value is low, the thread will return data in finer
grained chunks, with more accurate timestamps, but
it will also consume more CPU.
"""
def __init__( self,
data_q, error_q,
port_num,
port_baud,
port_timeout=0.01,
data_format=None,
value_size=2,
separator=1):
threading.Thread.__init__(self)
self.sf = None
self.serial_arg = dict( port=port_num,
baudrate=port_baud,
timeout=port_timeout)
self.data_q = data_q
self.error_q = error_q
self.data_format = data_format
self.value_size = value_size
self.separator = separator
self.alive = threading.Event()
self.alive.set()
def run(self):
try:
if self.sf is not None:
self.sf.close()
self.sf = SerialFlow(**self.serial_arg)
except serial.IOError as e:
self.error_q.put(e.message)
return
if self.data_format == FMT_SIMPLE:
self.sf.setPacketFormat(1, 0, 0)
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
self.sf.setPacketFormat(self.value_size, 3, self.separator)
# Restart the clock
tshift = time.clock()
while self.alive.isSet():
timestamp = time.clock() - tshift
if self.data_format == FMT_SIMPLE:
bt = self.sf.receiveByte()
if bt is not None:
self.data_q.put((timestamp, bt))
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
if self.sf.receivePacket():
self.data_q.put((timestamp, self.sf.listPacketValues()))
# clean up
if self.sf is not None:
self.sf.close()
def join(self, timeout=None):
self.alive.clear()
threading.Thread.join(self, timeout)
class ComMonitorThread(threading.Thread):
""" A thread for monitoring a COM port. The COM port is
opened when the thread is started.
data_q:
Queue for received data. Depending on data format,
items in the queue are (timestamp, data.byte ) pairs or
(timestamp, [[bit1,bit2],[bit,bit2],...]).
error_q:
Queue for error messages. In particular, if the
serial port fails to open for some reason, an error
is placed into this queue.
port:
The COM port to open. Must be recognized by the
system.
port_baud/stopbits/parity:
Serial communication parameters
port_timeout:
The timeout used for reading the COM port. If this
value is low, the thread will return data in finer
grained chunks, with more accurate timestamps, but
it will also consume more CPU.
"""
def __init__(self,
data_q,
error_q,
port_num,
port_baud,
port_timeout=0.01,
data_format=None,
value_size=2,
separator=1):
threading.Thread.__init__(self)
self.sf = None
self.serial_arg = dict(port=port_num,
baudrate=port_baud,
timeout=port_timeout)
self.data_q = data_q
self.error_q = error_q
self.data_format = data_format
self.value_size = value_size
self.separator = separator
self.alive = threading.Event()
self.alive.set()
def run(self):
try:
if self.sf is not None:
self.sf.close()
self.sf = SerialFlow(**self.serial_arg)
except serial.IOError as e:
self.error_q.put(e.message)
return
if self.data_format == FMT_SIMPLE:
self.sf.setPacketFormat(1, 0, 0)
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
self.sf.setPacketFormat(self.value_size, 3, self.separator)
# Restart the clock
tshift = time.clock()
while self.alive.isSet():
timestamp = time.clock() - tshift
if self.data_format == FMT_SIMPLE:
bt = self.sf.receiveByte()
if bt is not None:
self.data_q.put((timestamp, bt))
elif self.data_format in (FMT_COMPLEX_VT, FMT_COMPLEX_YX):
if self.sf.receivePacket():
self.data_q.put((timestamp, self.sf.listPacketValues()))
# clean up
if self.sf is not None:
self.sf.close()
def join(self, timeout=None):
self.alive.clear()
threading.Thread.join(self, timeout)
