Unable to flash hello_world w/XDS-110 & OpenOCD

[spmcv]

Describe the bug
Flashing failed while attempting to follow getting started guide for LAUNCHXL-CC2640R2F. OpenOCD fails to negotiate with XDS-110. Made sure XDS-110 has latest firmware via CCS (see output). Tried workaround suggested here.

To Reproduce
Steps to reproduce the behavior:

1. Follow Getting Started guide with build option -b cc26x2r1_launchxl
2. west build

Expected behavior
As stated in Getting Started guide.

Impact

• showstopper

Screenshots or console output
Using (default) 2500kHz:

(zephyr) user@LOC-USER zephyr % west flash
-- west flash: rebuilding
ninja: no work to do.
-- west flash: using runner openocd
-- runners.openocd: Flashing file: [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex
Open On-Chip Debugger 0.10.0+dev-01089-g3bfe4926 (2020-02-26-11:15)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
adapter srst delay: 100

Info : XDS110: connected
Info : XDS110: firmware version = 3.0.0.7
Info : XDS110: hardware version = 0x002b
Info : XDS110: connected to target via JTAG
Info : XDS110: TCK set to 2500 kHz
Info : clock speed 2500 kHz
Info : TAP cc26x2.jrc does not have valid IDCODE (idcode=0x7733405e)
Info : JTAG tap: auto0.tap tap/device found: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Error: cc26x2.jrc: IR capture error; saw 0x02 not 0x01
Warn : Bypassing JTAG setup events due to errors
Info : Listening on port 3333 for gdb connections
    TargetName         Type       Endian TapName            State       
--  ------------------ ---------- ------ ------------------ ------------
 0* cc26x2.cpu         cortex_m   little cc26x2.cpu         tap-disabled

Info : TAP cc26x2.jrc does not have valid IDCODE (idcode=0x7733405e)
Info : JTAG tap: auto0.tap tap/device found: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Error: cc26x2.jrc: IR capture error; saw 0x02 not 0x01
Warn : Bypassing JTAG setup events due to errors
Error: Target not examined yet
Error: auto_probe failed
auto erase enabled
Info : XDS110: disconnected
FATAL ERROR: command exited with status 1: /usr/local/bin/openocd -s [$ZEPHYRPROJECT]/zephyr/boards/arm/cc26x2r1_launchxl/support -f [$ZEPHYRPROJECT]/zephyr/boards/arm/cc26x2r1_launchxl/support/openocd.cfg -c init -c targets -c 'reset halt' -c 'flash write_image erase [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex' -c 'reset halt' -c 'verify_image [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex' -c 'reset run' -c shutdown

Modifying board/ti_cc26x2_launchpad.cfg:

(zephyr) user@LOC-USER zephyr % west flash
-- west flash: rebuilding
ninja: no work to do.
-- west flash: using runner openocd
-- runners.openocd: Flashing file: [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex
Open On-Chip Debugger 0.10.0+dev-01089-g3bfe4926 (2020-02-26-11:15)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
adapter srst delay: 100

Info : XDS110: connected
Info : XDS110: firmware version = 3.0.0.7
Info : XDS110: hardware version = 0x002b
Info : XDS110: connected to target via JTAG
Info : XDS110: TCK set to 2500 kHz
Info : clock speed 1500 kHz
Info : JTAG tap: cc26x2.jrc tap/device found: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Warn : JTAG tap: cc26x2.jrc       UNEXPECTED: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Error: JTAG tap: cc26x2.jrc  expected 1 of 1: 0x0bb4102f (mfg: 0x017 (Texas Instruments), part: 0xbb41, ver: 0x0)
Error: Trying to use configured scan chain anyway...
Warn : Bypassing JTAG setup events due to errors
Info : Listening on port 3333 for gdb connections
    TargetName         Type       Endian TapName            State       
--  ------------------ ---------- ------ ------------------ ------------
 0* cc26x2.cpu         cortex_m   little cc26x2.cpu         tap-disabled

Info : JTAG tap: cc26x2.jrc tap/device found: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Warn : JTAG tap: cc26x2.jrc       UNEXPECTED: 0xbb99a02f (mfg: 0x017 (Texas Instruments), part: 0xb99a, ver: 0xb)
Error: JTAG tap: cc26x2.jrc  expected 1 of 1: 0x0bb4102f (mfg: 0x017 (Texas Instruments), part: 0xbb41, ver: 0x0)
Error: Trying to use configured scan chain anyway...
Warn : Bypassing JTAG setup events due to errors
Error: Target not examined yet
Error: auto_probe failed
auto erase enabled
Info : XDS110: disconnected
FATAL ERROR: command exited with status 1: /usr/local/bin/openocd -s [$ZEPHYRPROJECT]/zephyr/boards/arm/cc26x2r1_launchxl/support -f [$ZEPHYRPROJECT]/zephyr/boards/arm/cc26x2r1_launchxl/support/openocd.cfg -c init -c targets -c 'reset halt' -c 'flash write_image erase [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex' -c 'reset halt' -c 'verify_image [$ZEPHYRPROJECT]/zephyr/build/zephyr/zephyr.hex' -c 'reset run' -c shutdown

Environment (please complete the following information):

• OS:
  • macOS 110.15.3 (19D76)
  • python 3.8.1
• Toolchain:
  • west (v0.7.2)
  • gnuarmemb (9-2019-q4-major)
  • cmake (3.16.4)
  • ninja (1.10.0)
  • openocd (0.10.0)
• Commit SHA or Version used
  • master (a410486)

Additional context

• openocd built from source from sourceforge repo using default configure
• pyenv used for virtual environment for west and dependencies

[spmcv]

I realized I may have made a mistake here. What I had on hand to test with was a CC2640 (M3), not a CC2642 (M4). I'm going to not close this for the moment b/c I want to see if this is an openocd and not the MCU.

[vanti]

@phuntimes The CC2640R2F belongs to a different family of devices from the CC26x2, so I wouldn't have expected this to work.

[nashif]

based on comment from @vanti, not a bug.