ULINK2 suddenly doesn't connect to PC anymore

Hello, I'm working with the ULINK2 and MDK-ARM Version 3.04. I used the ULINK2 since January this year and it worked fine the whole time. Two days ago I wanted to continue my work and attached the...
vqrshrn.u16 d0, q1, #0 instruction do not exists anymore

Note: This was originally posted on 10th September 2012 at http://forums.arm.com Hi. I have a small problem. xcode 4.4.1 do not accept those 2 instructions anymore vqrshrn.u16 d0, q1, #0 vshrn.u16 d6...
start keil call stack?

Hi boys, I am using a developing M8051EW-based mcu, and I try to support the AGDI interface of Keil. From a few weeks ago, I ran into a corner to discover how to use keil's call stack. The stage i reach...
Call Stack window empty

Hi, can anyone tell me why i never see anything in the call stack window (watches), i expect to see the function calls as i debug and step into functions but nothing is shown. can anyone help?
UART doesn't work

Hey, I have a problem with my UART. It runs as long as the RS232-Cable to the PC is connected, but once I unplug it(i.e. the TxD and RxD Pins are open), the UART stops sending data. Is this a correct...