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Add raw JTAG support #86

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Add raw JTAG support #86

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1d3583d
Add raw JTAG support
colinoflynn Feb 14, 2021
ac4d31d
add raw support - make stylebot happy
colinoflynn Feb 15, 2021
cea442e
raw support - fix missing newline
colinoflynn Feb 15, 2021
2127ed6
Rename jtag_rawrw -> jtag_raw_rw, fix style issue
colinoflynn Mar 1, 2021
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add raw support - make stylebot happy
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@colinoflynn
colinoflynn committed Feb 15, 2021
commit ac4d31dc71e0551b0925a97ca1815d1b899c5fb1
13 changes: 6 additions & 7 deletions pylink/jlink.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5191,7 +5191,7 @@ def cp15_register_write(self, cr_n, op_1, cr_m, op_2, value):
if res != 0:
raise errors.JLinkException(res)
return res

###############################################################################
#
# JTAG API (Raw JTAG access for boundary scan or other purposes)
Expand All @@ -5211,20 +5211,19 @@ def jtag_rawrw(self, tdo, tms, numbits=None):
Returns:
tdi (List): Output from device shifted into tdi.
"""

if len(tdo) != len(tms):
raise ValueError("TMS & TDO arrays must be same length")

buf_size = len(tdo)

if numbits is None:
numbits = len(tdo)*8
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tdobuf = (ctypes.c_ubyte * buf_size)(*bytearray(tdo))
tmsbuf = (ctypes.c_ubyte * buf_size)(*bytearray(tms))
tdibuf = (ctypes.c_ubyte * buf_size)()

self._dll.JLINKARM_JTAG_StoreGetRaw(tdobuf, tdibuf, tmsbuf, numbits)

return list(tdibuf)

return list(tdibuf)