Lpc2000

Whoops I meant 400Khz.....

>We've found that you can't drive the signals on a PC parallel port at 
>more than 4kHz (this is in GPIO/bit bang mode - EPP/ECP is a different 
>tale). Even with this limitation CrossWorks for ARM has a flash download 
>speed of 14Kbytes per second to the LPC21xx.
>
>Michael
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>>And what would that be?  I thought that a download of the OCD app from the same people who make the hardware should likely work.  I can understand some really limited features, but a 4kHz connection speed? That really surprised me.
>>
>>Chris.
>>
>> ----- Original Message ----- 
>> From: Michael Johnson 
>> To: lpc2000@yahoogroups.com 
>> Sent: Monday, September 26, 2005 4:37 AM
>> Subject: Re: [lpc2000] Slow OCD Remote/Insight debugging
>>
>>
>> Wigglers work - you just have to choose (perhaps even buy) the 
>> appropriate software to drive them.
>>
>> Michael
>>
>> >I saw the same problem with the wiggler.  Had problems connecting to my LPC2104 at anything but really low speeds.  The OCD is not a professional level debugger.  In order to debug a program that you intend to run in FLASH, you have to download your program into FLASH.  OCD can't do this.
>> >
>> >I bought a Signum JTAGJet and it is worth it. It downloads and programs to flash, as well as having a superb C/ASM debugger.   I use the GNUARM for compiling, but I much prefer a professional debugger.
>> >
>> >Chris.
>> >
>> > 
>> >  ----- Original Message ----- 
>> >  From: Blagoj Kupev 
>> >  To: lpc2000@yahoogroups.com 
>> >  Sent: Monday, September 26, 2005 12:09 AM
>> >  Subject: [lpc2000] Slow OCD Remote/Insight debugging
>> >
>> >
>> >  Hi there,
>> >
>> >  I'm beginner in ARM7 world and everything looks strange to me. I've 
>> >  build wiggler compatible interface and i have MCB2130 from Keil. I have 
>> >  few questions regarding debuging:
>> >  1. Why OCD Remote/Insight combination works 10 times slower compared to 
>> >  debug speed when i try to debug same SW using Rowley's Cross Studio? (i can not 
>> >  connect OCD Remote with speed parameter lower than 3).
>> >  2. I found some discussion but still it is not clear to me if i can 
>> >  debug sw in flash with OCD Remote? I read that OCD Remote does not 
>> >  support hardware breakpoints that is requred for debugging in flash. Is 
>> >  this true or i'm missing something?
>> >  Best regards,
>> >  Blagoj
>> >
>> >
>> >
>> >
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