FRDM-Mke15z in MCUXpresso IDE

[Shaanu]

I am new to MCUXpresso IDE, I am working on frdm-mke15z, Intially my debugger was working but when I tried to configure some pin in input configuration I got below error.

Executing flash operation 'Resurrect locked Kinetis device' (Resurrect locked Kinetis device) - Wed Dec 30 21:07:47 IST 2020
Checking MCU info...
Scanning for targets...
Executing flash action...
MCUXpresso IDE RedlinkMulti Driver v11.2 (Sep 22 2020 13:23:35 - crt_emu_cm_redlink.exe build 19)
( 0) Reading remote configuration
Wc(03). No cache support.
Found chip XML file in C:/Electrolux/frdmke15z_gpio_led_output/Debug\MKE15Z256xxx7.xml
( 5) Remote configuration complete
Reconnected to existing LinkServer process.
Connecting to probe 1 core 0 (using server started externally) reports:
'Ee(42). Could not connect to core.'
Retrying...
Reconnected to existing LinkServer process.
Server OK but no connection to probe 1 core 0 (after 3 attempts) - Ee(42). Could not connect to core.
============= SCRIPT: kinetismasserase.scp =============
Kinetis Mass Erase Script
Error: Wire Ack Fault - target connected?
Assert NRESET
Reset pin state: 00
Error: Wire not connected
Power up Debug
Error: Wire not connected
Error: Wire not connected
No Debug Power
============= END SCRIPT ===============================
Failed on connect: Ee(42). Could not connect to core.
No connection to chip's debug port
(100) Target Connection Failed
Unable to perform operation!
Command failed with exit code 1

After that not able to debug any code. After going through many posts, I encoutered that it seems to be locked kinetis. 

  Please I need help on this ,how to unlock kinetis as I m using usb cable to PC .

[nxf58904 · Accepted solution]

Hi,

I have recur the issue. And this issue can be caused by SWD pins' wrong configuration.

And I have fixed it. The step as follows.

1st.Plug out the board.

2st.Press NMI button

3st.Plug in.

4st. Download a normal code.

I hope this will help you.

Have a great day,
TIC

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[Shaanu]

Thanks, it worked!!!

[nxf58904]

Hi,

If your opensda's firmware is not jlink, you need an external jlink.

Please have a try .

I hope this help you .

Have a great day,
TIC

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[nxf58904]

[Shaanu]

I have used openSDA firmware jlink,I found below error, please help on it.

SEGGER J-Link Commander V6.86 (Compiled Sep 24 2020 17:33:12)
DLL version V6.86, compiled Sep 24 2020 17:31:31

Connecting to J-Link via USB...O.K.
Firmware: J-Link OpenSDA 2 compiled May 27 2019 11:01:03
Hardware version: V1.00
S/N: 621000000
VTref=3.300V

Type "connect" to establish a target connection, '?' for help
J-Link>connect
Please specify device / core. <Default>: MKE15Z256XXX7
Type '?' for selection dialog
Device>
Please specify target interface:
J) JTAG (Default)
S) SWD
T) cJTAG
TIF>s
Specify target interface speed [kHz]. <Default>: 4000 kHz
Speed>
Device "MKE15Z256XXX7" selected.

Connecting to target via SWD
InitTarget() start
InitTarget()
Connect Under Reset
Communication error while accessing MDM-AP.
Connect Under Reset
InitTarget() end
InitTarget() start
InitTarget()
Connect Under Reset
Communication error while accessing MDM-AP.
Connect Under Reset
InitTarget() end
InitTarget() start
InitTarget()
Connect Under Reset
Communication error while accessing MDM-AP.
Connect Under Reset
InitTarget() end
InitTarget() start
InitTarget()
Connect Under Reset
Communication error while accessing MDM-AP.
Connect Under Reset
InitTarget() end
Cannot connect to target.
J-Link>

[nxf58904]

Hi,

The way to unlock kinetis via GUI as follow shows

And the way to unlock kinetis via jlink command as follow shows

Have a great day,
TIC

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[nxf58904]

Hi，

Can I ask which pin you set ?

Do you have a try to unlock kinetis by GUI flash tool in MCUXpresso,or use a jlink to unlock kinetis

Have a great day,
TIC

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[Shaanu]

Thanks for reply.

 I have set PE16, pin number 1.I tried GUI flash tool but it does not unlock kineties,

I don't have idea how to connect j-link externally(any soldering is required on board?).Please guide me for j-link.