Re: MSP430 basics - pulling hair out!!!
- From: "Rob" <rdsfal@xxxxxxxxxxxx>
- Date: Wed, 20 Jul 2005 18:09:51 +0800
"Rob" <rdsfal@xxxxxxxxxxxx> wrote in message
news:42da0038$0$18770$5a62ac22@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> We are working on a small MSP430F149 project and are having a heap of
grief
> getting the basic hardware going.
>
> We continually get inconsistent results when attempting to connect and
> download to the msp430. Initially the JTAG will not connect but this
problem
> appeared
> to rectify itself. It then had trouble writing to memory at address
0x1100 -
> the start of the program flash. Reseating the msp430 in the ZIF socket
> seemed to fix this problem. We initially tried restarting the debug proxy
> and the debugger and cygwin without success.
>
> We finally managed to download to the device about 3 times. When the code
> ran it always stopped at the reset vector. We though it may be some
problem
> with the RTOS and the timers. The watchdog is switched off.
>
> We then tried one of the examples supplied with mspgcc LED flashing code.
We
> built the code without any problems but when we attempted to download the
> memory write error reappeared. We tried re-seating the micro in the ZIF
> socket etc without success.
>
> We are using the a homebrew JTAG programmer and a TI development board
> pwered by 2 x D cells and driving this via the mspgcc-20041112.exe
software.
>
> So many questions!!
> Where do we start debugging the system?
> Could the problem be timing related? Is the PC we are using too slow/fast?
> How can we check if everything is okay with the software setup/hardware
> setup?
>
> Any suggestions would be most appreciated.
>
> Thanks
> rob
>
>
>
>
>
>
Thanks for the replies guys - looks like we may have power problems, we'll
try hooking a 3V --> 3.3V variable supply up and see if things improve.
regards
rob
.
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- MSP430 basics - pulling hair out!!!
- From: Rob
- MSP430 basics - pulling hair out!!!
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