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Returns:
None by default or the (bitarray) response of the device
after receiving data, if return_tdo is True.
Usage:
>>> from proteusisc import getAttachedControllers, bitarray
>>> c = getAttachedControllers()[0]
>>> c.jtag_enable()
>>> c.write_tms_bits(bitarray(""001011111""), return_tdo=True)
>>> c.jtag_disable()
""""""
self._check_jtag()
self._update_scanchain(data)
self.bulkCommandDefault(_BMSG_WRITE_TMS %
(return_tdo, TDI, len(data).to_bytes(4, 'little')))
self.bulkWriteData(build_byte_align_buff(data).tobytes()[::-1])
tdo_bits = self._read_tdo(len(data)) if return_tdo else None
self._get_adv_trans_stats(0x0B, return_tdo)
return tdo_bits"
1971,"def write_tdi_bits(self, buff, return_tdo=False, TMS=True):
""""""
Command controller to write TDI data (with constant TMS bit)
to the physical scan chain. Optionally return TDO bits sent
back from scan the chain.
Args:
data - bits to send over TDI line of scan chain (bitarray)
return_tdo (bool) - return the devices bitarray response
TMS (bool) - whether TMS should send a bitarray of all 0's
of same length as `data` (i.e False) or all 1's
(i.e. True)
Returns:
None by default or the (bitarray) response of the device
after receiving data, if return_tdo is True.
Usage:
>>> from proteusisc import getAttachedControllers, bitarray
>>> c = getAttachedControllers()[0]
>>> c.jtag_enable()
>>> c.write_tdi_bits(bitarray(""11111""), return_tdo=True)
>>> c.jtag_disable()
""""""
self._check_jtag()
tms_bits = bitarray([TMS]*len(buff))
self._update_scanchain(tms_bits)
self.bulkCommandDefault(_BMSG_WRITE_TDI %
(return_tdo, TMS, len(buff).to_bytes(4, 'little')))
self.bulkWriteData(build_byte_align_buff(buff).tobytes()[::-1])
tdo_bits = self._read_tdo(len(buff)) if return_tdo else None
self._get_adv_trans_stats(0x08, return_tdo)
return tdo_bits"
1972,"def write_tms_tdi_bits(self, tmsdata, tdidata, return_tdo=False):
""""""
Command controller to write arbitrary TDI and TMS data to the
physical scan chain. Optionally return TDO bits sent back
from the scan chain.
Args:
tmsdata - bits to send over TMS line of scan chain (bitarray)
must be the same length ad tdidata
tdidata - bits to send over TDI line of scan chain (bitarray)
must be the same length ad tmsdata
return_tdo (bool) - return the devices bitarray response
Returns:
None by default or the (bitarray) response of the device
after receiving data, if return_tdo is True.
Usage:
>>> from proteusisc import getAttachedControllers, bitarray
>>> c = getAttachedControllers()[0]
>>> c.jtag_enable()
>>> c.write_tms_tdi_bits(bitarray(""00001""),
bitarray(""11111""), return_tdo=True)
>>> c.jtag_disable()
""""""
self._check_jtag()
if len(tmsdata) != len(tdidata):
raise Exception(""TMSdata and TDIData must be the same length"")
self._update_scanchain(tmsdata)
count = len(tmsdata)
t = time()
outdata = bitarray([val for pair in zip(tmsdata, tdidata)
for val in pair])
outdata = build_byte_align_buff(outdata).tobytes()[::-1]
if self._scanchain and self._scanchain._print_statistics:
print(""TDI/TDI DATA PREP TIME"", time()-t)#pragma: no cover
t = time()
self.bulkCommandDefault(_BMSG_WRITE_TMS_TDI % \
(return_tdo, count.to_bytes(4, 'little')))
self.bulkWriteData(outdata)
if self._scanchain and self._scanchain._print_statistics:
print(""TRANSFER TIME"", time()-t)
t = time()