Xiaofan Chen wrote:
> 2008/12/25 Michel Catudal <michelcatu...@gmail.com>:
>> I could not get my older black j-link devices to work while the newer yellow
>> one works. I am curious as to what the basic difference would be between
>> the two. I tested them at work and they were working just as good on windows
>> as the yellow one with IAR 5.2. (I don't use windows at home)
>>
> 
> Sorry to rehash this thread as I am interested in this topic as well.
> I have both black J-link and yellow one at work. Yellow ones are mostly
> of V5/V6 (and V7?) firmware. The one I have is for V6. The black one
> I have is of the old V3 version. The MCU used is different as far as I know.
> It seems to me that the Black one is using a Renesas MCU (M16C?).
> The yellow one seems to use AT91SAM7S.
> 

I can't answer your questions but can only add another jlink question. I 
know very little about the jlink. I have a yellow jlink that says "jlink 
ks, IAR Systems" on the front (ks = kickstart?). On the back it says 
J-Link-ARM-KS Serial Number 10001576. No idea of the rev level or 
processor it contains (it is borrowed). The evaluation board I am 
connecting it to is IAR (made by Olimex) STR712 (ARM7TDMI). Should this 
work with openocd? If so, what is the correct linux/bash command line? 
It works OK with IAR Embedded Workbench Kickstart for ARM 4.30A on 
windows. Right now whether the board is powered on or off or even if the 
jtag cable is connected or not all I see is:

sudo ./openocd -f target/interface/jlink -f target/target/str710.cfg

Error: J-Link Command 0x01 failed (-2)
Error: J-Link command EMU_CMD_VERSION failed (-110)
<repeated 3 times>

Info : J-Link initial read failed, don't worry  <-- actually, need to worry!
Info : J-Link JTAG Interface ready
Error: J-Link command 0xdd failed (-2)
Error: J-Link command 0xdf failed (-2)
Warn : keep_alive() was not invoked in the 1000ms timelimit. GDB alive
packet not sent! (9190). Workaround: increase "set remotetimeout" in GDB
Error: J-Link setting speed failed (-2)
Error: There are no enabled taps?
Error: J-Link command 0xdd failed (-2)
Error: J-Link command 0xdf failed (-2)
Error: usb_bulk_write failed (requested=6, result=-2)
Error: jlink_tap_execute, wrong result -107 (expected 1)
Error: usb_bulk_write failed (requested=6, result=-2)
Error: jlink_tap_execute, wrong result -107 (expected 1)
Error: J-Link command 0xdd failed (-2)
Error: J-Link command 0xdf failed (-2)
Error: usb_bulk_write failed (requested=6, result=-2)
Error: jlink_tap_execute, wrong result -107 (expected 1)
Error: There are no enabled taps?
Warn : no telnet port specified, using default port 4444
Warn : no gdb ports allocated as no target has been specified
Warn : no tcl port specified, using default port 6666
Info : accepting 'telnet' connection from 0
Error: J-Link command 0x01 failed (-2)

(Then I can telnet but can do nothing useful.)
-gene


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