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MCUXpresso IDE and FDRM-K64F programming issue

Question asked by Abi Farsoni on Jan 23, 2018
Latest reply on Jan 24, 2018 by LPCX presso support

I've just started using the FRDM-K64F board and encountered several issues:

1- When for the first time the board is connected to the USB port of my PC, the pre-loaded (Bubble) app does not work as expected. 

2- With the board powered by the USB port, my PC opens a directory MBED (E:\) with several empty files.

3- With all software installed, I tried to program the board using SDK examples, at the end of programming (Debug), I get a connection error. Attached is the debug log console.

Below was also copied from the Console window:


============= END SCRIPT =============================
Probe Firmware: MBED CMSIS-DAP (MBED)
Serial Number: 0240020163867E7C9E7883C4
VID:PID: 0D28:0204
USB Path: \\?\hid#vid_0d28&pid_0204&mi_03#8&160b5c6&0&0000#{4d1e55b2-f16f-11cf-88cb-001111000030}
connection failed - Nn(05). Wire ACK Fault in DAP access.. Retrying
Failed on connect: Nn(05). Wire ACK Fault in DAP access
Connected&Reset. Was: NotConnected. DpID: 00000000. CpuID: 00000000. Info: <None>
Last stub error 0: OK
Last sticky error: 0x0 AIndex: 0
Debug bus selected: MemAp 0
DAP Speed test unexecuted or failed
Debug protocol: SWD. RTCK: Disabled. Vector catch: Disabled.
(100) Target Connection Failed
error closing down debug session - Ee(FF). Redlink interface error 255.



I appreciate any help.