Un-aligned data access on ARM7 core
2005-12-16 by Marko Panger
Hello all, I have a general programming question. Me and my co-workers had an discussion about data alignment and non-aligned accesses. Please consider the
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Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Bertrik Sikken
... Hash: SHA1 ... It appears to be incomplete. None of the differences I ve seen so far is even mentioned in appendix B. Bertrik ... Version: GnuPG v1.4.1
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Dominic Rath
Hello, ... Yes, the code available at berlios is from july, and doesn t support -S cores. Besides, it has some nasty bugs, so I decided to rewrite most of it.
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Doug Sutherland
... The differences between ARM7TDMI and ARM7TDMI-S are listed in Appendix B of the ARM7TDMI-S technical manual. http://www.arm.com/support/faqip/3686.html
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Bertrik Sikken
... Hash: SHA1 ... Yes, I saw it. It does not support ARM7TDMI-S yet, only ARM7TDMI, right? What would it take to add support for the ARM7TDMI-S / LPC family
Re: Faster integer division with KEIL
2005-12-16 by uedogan
Hi, thanks for the tip of this book! Unfortunately i just have normal numbers in binary format. By the way, this are three sensor values which together form
Re: UART clock tolerance question.
2005-12-16 by Ken Wada
... Some ... for any ... Interesting; your number... 3%. The 16C550 UART statemachine uses a 16x over-sampling statemachine for detecting the NRZ bit-frame,
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Doug Sutherland
Hi Dominic, Thanks for the info, and also thanks for sharing your work. I suppose there are are things that most people are looking for: Ability to program
ARM Cross Development with Eclipse link update
2005-12-16 by lynchzilla
The link to the tutorial ARM Cross Development with Eclipse is correct but spread out on two lines. Only the first line is transmitted as the URL when you
Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-16 by seangra
What about for the LPC213x and LPC214x series? I think they only have 1 JTAG port, right? ... turn it ... after ... problems ... the
Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-16 by varuzhandanielyan
Ok, the code example is fine, but what about the hardware connections of the pins? Varuzhan
Re: [lpc2000] Which pins of P1 can be used simultaneously with JTAG?
2005-12-16 by Tom Walsh
... I do. The LPC2106 has a secondary JTAG port, you just need to turn it on.. You must download the first Flash image without JTAG, but after that it works
Which pins of P1 can be used simultaneously with JTAG?
2005-12-16 by varuzhandanielyan
Maybe very silly question, but... Can I use P1.24-P1.31 pins in my design as IO, if I plan to debug the soft using JTAG, particularly ULINK. Technical data
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Dominic Rath
Hello Doug, the openwince jtag tools use the boundary scan chain around all device pins. This gives them access to the data and address bus, and allows them to
Re: [lpc2000] GCC - locals performance
2005-12-16 by 42Bastian Schick
xjag74 schrieb am Wed, 14 Dec 2005 14:51:16 ... Both version use the same amount of stack since the stack must be 4 byte aligened on
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Rob Jansen
... Well, there is openOCD from Dominic Rath. He created an On-Chip Debug solution for embedded target systems based on the ARM7 and ARM9 family . His Diploma
RE: [lpc2000] Generating Hex file from crossworks compiler
2005-12-16 by Sanjiwani
It is Project Properties then click on Linker tab and set Additional Output Format to hex. ... From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com]
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Doug Sutherland
Hi Bertrik, I am wondering if you have seen this: http://openwince.sourceforge.net/jtag/ It appears to support wiggler. Maybe all that is needed is some tweaks
Re: Combining forces on open-source gdb stub
2005-12-15 by kibobo59
I m currently working on such debugger (10% done). Features: - USB connection / next release on Ethernet (with TCP/IP server) - fully compatible with gdb
Re: [lpc2000] Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-15 by shridhar joshi
hi Jim , just few days back i downloaded eclipse and i was trying to develope ARm based sw for my hobby project ,i am struggling to get that running , this
Combining forces on open-source gdb stub
2005-12-15 by Bertrik Sikken
... Hash: SHA1 Hi all, I noticed that quite a lot of people are working on JTAG tools for debugging on the LPC, but (as far as I know) there is still no-one
Re: [lpc2000] Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-15 by Viron Papadopoulos
Thank you Jim, Your tutorial is very usefull for first time ARM users like me. Many Thanks and Merry Christmas to you too. Viron.
Re: Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-15 by rtstofer
Jim, I want to take this opportunity to thank you for your work on the tutorial. It is a tremendous lift up on the learning curve. Richard
Re: Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-15 by derbaier
Thanks Jim!!!!!!!!! A really nice piece of work, and I m sure it is really appreciated by many many folks. -- Dave
ARM-related article
2005-12-15 by David Hawkins
Here s an interesting ARM-related article .... ... 8. From EDN Europe: ARM targets automotive and industrial dominance ... --By David Marsh, Contributing
Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-15 by lynchzilla
Merry Christmas to my friends at The LPC2000 Group and the Open Source world in general. I ve just completed the latest revision of my ARM/Eclipse tutorial and
Re: [lpc2000] Generating Hex file from crossworks compiler
2005-12-15 by Leon Heller
... From: ak_invincible007 To: Sent: Thursday, December 15, 2005 3:17 PM Subject: [lpc2000] Generating
RE: [lpc2000] Re: Merry Christmas
2005-12-15 by Michael Rubitschka
Hi Eric/Rob I must confess, I also ordered one. It is a really nice board. I hope I will recieve it in time. Cheers Michael
Re: RealMonitor within LPC Flash
2005-12-15 by kibobo59
I respond to myself: @rm_init_entry: 0x7fffff91 (Thumb function)
Generating Hex file from crossworks compiler
2005-12-15 by ak_invincible007
Hi I ve recently started with olimex LPC2106 kit, using Crosswork C Compiler. I would like to know what are the setting required to generate Intel hex file
Re: [lpc2000] Re: UART clock tolerance question.
2005-12-15 by Karsten Weiss
Hellop Dmitry, usually one says, that a tolerance of approx. 2% betreen the baud rate of two communicating devices will be acceptable in general. Regards,
Re: My own boot loader! (Or others with some help ;-)
2005-12-15 by kibobo59
Thanks for these informations. I make my own JTAG tool, so JTAG IDENT can be discard.
Re: My own boot loader! (Or others with some help ;-)
2005-12-15 by jayasooriah
Warning regarding your JTAG method: According to Philips, JTAG may not work if boot sector is corrupted. I looked at the the boot sector code, and the only
Re: My own boot loader! (Or others with some help ;-)
2005-12-15 by kibobo59
I have disassembled this file: bootloader_update_ver_1_52_LPC_2104_2105_2106.hex within lpc2000_bl_update.zip. And I want to load in RAM (through JTAG) the
Re: My own boot loader! (Or others with some help ;-)
2005-12-15 by jayasooriah
Which part are you working on? I have derived the code for write and erase of any flash sector (including boot sector) by disassembling boot loader version
Re: My own boot loader! (Or others with some help ;-)
2005-12-15 by kibobo59
You cannot prevent the block code (last sector) to be executed since at reset first vector pointes to that code (memory mapped). But! ... you can write your
Re: UART clock tolerance question.
2005-12-15 by Guillermo Prandi
Most likely it will. It is not exactly if LPC will handle it , but more like whether the two parties will understand each other. In a perfect world, you just
Re: [lpc2000] UART clock tolerance question.
2005-12-15 by Sean
Generally speaking the tolerance for all RS232 devices is about 3%. Some go higher, but most can handle 3%. 0.16% is almost certainly fine for any rs232
UART clock tolerance question.
2005-12-15 by diwilru
Fellows, In my application the best I can get is 115384 Baud for uart0 whereas data source has speed of 115200 exactly. The error is about 0.16%. The question
My own boot loader! (Or others with some help ;-)
2005-12-15 by boje_d
Hello! For my projekt i am using a lpc2292. My problem is the following: Since my application is without the possibllity to use the build in bootloader, i want
Re: Merry Christmas
2005-12-15 by Eric Engler
... Thanks Rob - this is a great idea! It s cheap and it s a good way to introduce my teen-age kids to electronics and programming. I just ordered mine. Eric
Re: FLASH Security
2005-12-15 by jayasooriah
Why is external memory boot is disabled when CRP is active. Is this because code in external memory can always read flash no matter what? Does this mean that
Re: FLASH Security
2005-12-15 by jayasooriah
Thanks Robert for the clarification. In the AVR s we can ship the product to customers with our code in boot sector, and allow them load their own application
RE: [lpc2000] RE: RE: J-Link errors on initial installation
2005-12-14 by Joel Winarske
... not, ... You might try an incremental update from approximate version of original manufacture. Perhaps once you update to a certain version it will take
Re: GCC - locals performance
2005-12-14 by brendanmurphy37
Hi, The short answer is that it is impossible to say what either version does without looking at the assembler output from the compiler at the particular
Re: Some worthless talk, A request and Need help
2005-12-14 by Ken Wada
I agree 100%! Baby steps...baby steps... In my case, what I did was that Keil Hello World example with their polled UART device driver. Then, I quickly
Re: FLASH Security
2005-12-14 by philips_apps
Your understanding of the LPC2000 flash security is right for the LPC2104/2105/2106 as they exist today but wrong for any other LPC2000 subfamily as all the
Re: Some worthless talk, A request and Need help
2005-12-14 by Ken Wada
... heh... Where I am currently consulting; I recommended using the LPC2214 part. ..AND; have never even used it AND... My clients expect to have device
Re: [lpc2000] Some worthless talk, A request and Need help
2005-12-14 by Bill Knight
George Have a look at UT050418A.zip in the files section of this group on Yahoo. It contains the full source and Makefile for a complete operational program -
Re: Some worthless talk, A request and Need help
2005-12-14 by rtstofer
The process is known as stepwise refinement and I ll credit it to Niklaus Wirth because I first saw it described in his book Algorithms + Data Structures =