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1964,"def from_json(cls, data):
""""""Decode a JSON string and inflate a node instance.""""""
# Decode JSON string
assert isinstance(data, str)
data = json.loads(data)
assert isinstance(data, dict)
return cls.from_dict(data)"
1965,"def _pred(aclass):
""""""
:param aclass
:return: boolean
""""""
isaclass = inspect.isclass(aclass)
return isaclass and aclass.__module__ == _pred.__module__"
1966,"def extract_keywords(func):
""""""
Parses the keywords from the given function.
:param func | <function>
""""""
if hasattr(func, 'im_func'):
func = func.im_func
try:
return func.func_code.co_varnames[-len(func.func_defaults):]
except (TypeError, ValueError, IndexError):
return tuple()"
1967,"def _get_adv_trans_stats(self, cmd, return_tdo=False):
""""""Utility function to fetch the transfer statistics for the last
advanced transfer. Checking the stats appears to sync the
controller. For details on the advanced transfer please refer
to the documentation at
http://diamondman.github.io/Adapt/cable_digilent_adept.html#bulk-requests
""""""
t = time()
code, res = self.bulkCommand(b'\x03\x02%c\x00'%(0x80|cmd), 10)
if self._scanchain and self._scanchain._print_statistics:
print(""GET STATS TIME"", time()-t)#pragma: no cover
if len(res) == 4:
count = struct.unpack('<I', res)[0]
return count
elif len(res) == 8:
written, read = struct.unpack('<II', res)
return written, read
return res"
1968,"def jtag_enable(self):
""""""
Enables JTAG output on the controller. JTAG operations executed
before this function is called will return useless data or fail.
Usage:
>>> from proteusisc import getAttachedControllers, bitarray
>>> c = getAttachedControllers()[0]
>>> c.jtag_enable()
>>> c.write_tms_bits(bitarray(""001011111""), return_tdo=True)
>>> c.jtag_disable()
""""""
status, _ = self.bulkCommand(_BMSG_ENABLE_JTAG)
if status == 0:
self._jtagon = True
elif status == 3:
self._jtagon = True
raise JTAGAlreadyEnabledError()
else:
raise JTAGEnableFailedError(""Error enabling JTAG. Error code: %s."" %status)"
1969,"def jtag_disable(self):
""""""
Disables JTAG output on the controller. JTAG operations executed
immediately after this function will return useless data or fail.
Usage:
>>> from proteusisc import getAttachedControllers, bitarray
>>> c = getAttachedControllers()[0]
>>> c.jtag_enable()
>>> c.write_tms_bits(bitarray(""001011111""), return_tdo=True)
>>> c.jtag_disable()
""""""
if not self._jtagon: return
status, _ = self.bulkCommand(_BMSG_DISABLE_JTAG)
if status == 0:
self._jtagon = False
elif status == 3:
raise JTAGControlError(""Error Code %s""%status)
self.close_handle()"
1970,"def write_tms_bits(self, data, return_tdo=False, TDI=False):
""""""
Command controller to write TMS data (with constant TDI bit)
to the physical scan chain. Optionally return TDO bits sent
back from scan the chain.
Args:
data - bits to send over TMS line of scan chain (bitarray)
return_tdo (bool) - return the devices bitarray response
TDI (bool) - whether TDI should send a bitarray of all 0's
of same length as `data` (i.e False) or all 1's
(i.e. True)