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probe: CMSIS-DAP: fix no data returned from jtag_sequence #1820

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Merged
merged 2 commits into from
Oct 14, 2025
Merged

probe: CMSIS-DAP: fix no data returned from jtag_sequence #1820

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5d42763
probe: CMSIS-DAP: fix no data returned from jtag_sequence
Sep 26, 2025
6af2499
update copyright
Oct 10, 2025
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3 changes: 2 additions & 1 deletion pyocd/probe/cmsis_dap_probe.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
# pyOCD debugger
# Copyright (c) 2018-2020,2025 Arm Limited
# Copyright (c) 2021-2023 Chris Reed
# Copyright (c) 2025 Norbert Hipfl
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
Expand Down Expand Up @@ -371,7 +372,7 @@ def jtag_sequence(self, cycles: int, tms: int, read_tdo: bool, tdi: int) -> Opti
TRACE.debug("trace: jtag_sequence(cycles=%i, tms=%x, read_tdo=%s, tdi=%x)", cycles, tms, read_tdo, tdi)

try:
self._link.jtag_sequence(cycles, tms, read_tdo, tdi)
return self._link.jtag_sequence(cycles, tms, read_tdo, tdi)
except DAPAccess.Error as exc:
raise self._convert_exception(exc) from exc

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3 changes: 2 additions & 1 deletion pyocd/probe/pydapaccess/cmsis_dap_core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
# Copyright (c) 2006-2013,2018-2021,2025 Arm Limited
# Copyright (c) 2021 Chris Reed
# Copyright (c) 2022 Toshiba Electronic Devices & Storage Corporation
# Copyright (c) 2025 Norbert Hipfl
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
Expand Down Expand Up @@ -485,7 +486,7 @@ def jtag_sequence(self, cycles, tms, read_tdo, tdi):
raise DAPAccessIntf.CommandError("DAP_JTAG_SEQUENCE failed")

if len(resp) > 2:
return resp[2]
return resp[2:]

def jtag_configure(self, devices_irlen=None):
# Default to a single device with an IRLEN of 4.
Expand Down
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