This forum does not allow to put screenshots, so i've uploaded a graphical version of the below post to my dropbox account:
Pdf file with screenshots and instructions
please perform few tests and report the results:
1) close DigiESP and run C:\PROGRA~2\SEGGER\JLINKA~1\JLink.exe
or go here C:\Program Files (x86)\SEGGER\JLinkARM_V408l
and doubleclik on JLink.exe
you should see black screen with something like this in the end:
SEGGER J-Link Commander V4.08l ('?' for help)
Compiled Sep 17 2009 09:42:18
DLL version V4.08l, compiled Sep 17 2009 09:41:55
Firmware: J-Link compiled Jul 30 2008 11:24:37 ARM Rev.5
S/N : 35400008
OEM : DIGI-LINK
Feature(s) : GDB
VTarget = 3.242V
Info: TotalIRLen = 4, IRPrint = 0x01
Info: CP15.0.0: 0x41069265: ARM, Architecure 5TEJ
Info: CP15.0.1: 0x1D0D20D2: ICache: 4kB (4*32*32), DCache: 4kB (4*32*32)
Info: Cache type: Separate, Write-back, Format C (WT supported)
Found 1 JTAG device, Total IRLen = 4:
#0 Id: 0x27926031, IRLen: 4, IRPrint: 0x0 ARM926EJ-S Core
Found ARM with core Id 0x27926031 (ARM9)
RTCK reaction time is approx. 126ns
Using adaptive clocking instead of fixed JTAG speed.
If it does not find a target you have a problem with a driver for Segger.
You can now close the black command window.
2) run JLinkGDBServer.exe from the same folder as above.
You should see this window:
Next go to Start MenuProgramsDigiDigi NET+OS 7.5GNU Tools and run “Digi NET+OS 7.5 Build Environment”
New black window with bash shell will come up:
Type gdb and hit enter
Then type “target remote localhost:2331”
The window should show:
And gdb server should change to all green:
If you did get all green your segger is installed and functioning properly, otherwise you have a problem with either driver, firewall or network settings.
Altrernatively instead of gdb type gdbtk and hit enter – new window will come up like this:
Go To File Menu of that new window, select target settings and configure as below:
Click OK, then go to Run menu and select connect to target:
You should see
And your gdb server window will change to all green: