Hi,
I was using the EVK, nothing fancy and suddenly I cannot connect more using the DAP interface. I have tried to connect using my J-Link Plus and same thing. Here is the output log of J-Link
Could not connect to target.
SEGGER J-Link GDB Server V6.62c Command Line Version
JLinkARM.dll V6.62c (DLL compiled Feb 21 2020 17:43:19)
Command line: -nosilent -swoport 2332 -select USB -telnetport 2333 -singlerun -endian little -noir -speed auto -port 2331 -vd -device MIMXRT1011DAE5A -if SWD -halt -reportuseraction
-----GDB Server start settings-----
GDBInit file: none
GDB Server Listening port: 2331
SWO raw output listening port: 2332
Terminal I/O port: 2333
Accept remote connection: localhost only
Generate logfile: off
Verify download: on
Init regs on start: off
Silent mode: off
Single run mode: on
Target connection timeout: 0 ms
------J-Link related settings------
J-Link Host interface: USB
J-Link script: none
J-Link settings file: none
------Target related settings------
Target device: MIMXRT1011DAE5A
Target interface: SWD
Target interface speed: auto
Target endian: little
Connecting to J-Link...
$$UserActionStart$$: Firmware update
Updating firmware: J-Link V10 compiled Jan 7 2020 16:51:47
Replacing firmware: J-Link V10 compiled Oct 22 2019 16:28:15
Waiting for new firmware to boot
New firmware booted successfully
$$UserActionEnd$$: Firmware update
J-Link is connected.
Device "MIMXRT1011DAE5A" selected.
Firmware: J-Link V10 compiled Jan 7 2020 16:51:47
Hardware: V10.10
S/N: 600104418
Feature(s): RDI, FlashBP, FlashDL, JFlash, GDB
Checking target voltage...
Target voltage: 3.33 V
Listening on TCP/IP port 2331
Connecting to target...
Found SW-DP with ID 0x0BD11477
DPIDR: 0x0BD11477
Scanning AP map to find all available APs
AP[1]: Stopped AP scan as end of AP map has been reached
AP[0]: AHB-AP (IDR: 0x04770041)
Iterating through AP map to find AHB-AP to use
AP[0]: Core found
AP[0]: AHB-AP ROM base: 0xE00FD000
Found SW-DP with ID 0x0BD11477
Failed to power up DAP
ERROR: DAP error while reading AIRCR.
ERROR: Could not connect to target.
Target connection failed. GDBServer will be closed...Restoring target state and closing J-Link connection...
Shutting down...
Could not connect to target.
Does someone know the possible root cause of this?
Will appreciate any response,
