Re: [lpc2000] Re: FLASH Security
2005-12-19 by Robert Adsett
... That s somewhat intriguing. It s the first I ve heard of any hint at all that the parts can be programmed via a parallel programming algorithm rather than
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RE: [lpc2000] Re: FLASH Security
2005-12-18 by Joel Winarske
Yes Phillips, please comment. Jaya, thanks for bringing this up. Joel
Re: FLASH Security
2005-12-18 by jayasooriah
Can Philips comment if Quick-Pulse parallel programming can void CRP? I am advised parallel programming used to load on-chip flash from scratch can also read
Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by seangra
On the note of needing the extra I/O pins, if you really need them why not just throw on an 74LVC343 or something similar? You can effectively get 7
Re: [lpc2000] Keil ULINK
2005-12-18 by Herbert Demmel
Thank you for your reply, Jim. The ULINK definitely insists in having this file right after plugging it in to the USB port, so will call the people at Kile
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Robert Adsett
... An ethernet based JTAG dongle. I LIKE that idea. That is on my list of desired tools. It does seem that it should be possible to produce one for not
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Robert Adsett
... I don t think I disagree with you here. JTAG is certainly useful and a lot less cumbersome that an ICE pod. Especially if the pod consists of a multi cm
Re: [lpc2000] Re: how to delay LPC2294 without timmer..?
2005-12-18 by Robert Adsett
... Take a look at http://www.aeolusdevelopment.com/AppNotes/LPC210X/an-timerperformance.pdf I did exactly that kind of measurement for the timer set up in
Re: [lpc2000] Keil ULINK
2005-12-18 by Jim Earle
I have the Keil V3.20C running on my PC and only have the keilul.sys. I am able to use ULINK to debug and download code without any problem, so I m not sure
Re: WARNING: problem reading state of external interrupt lines.
2005-12-18 by Thiadmer Riemersma (ITB CompuPhase)
Hello Brendan, ... We DO have a problem with one particular board (we have tested only 20 so far, but this fault is only present on one of these). However, we
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Rob Jansen
... That cool debug environment just makes sure I can spend my time on finding and fixing bugs instead of figuring out how to use the debug environment... I
Open source JTAG debugger pod
2005-12-18 by Rob Jansen
... Due to the fact that most controller boards have the JTAG lines to the outside world without any ESD/EMC protection you may even damage your board. I know
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Tom Walsh
... Thank you for that information, that may be useful to pass along to my customer as they may wish to do something with JTAG. ... Well, the only concern
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Craig Schlenter
... I find that some engineers with cool debug environments tend to spend too much time single stepping code to make it work rather than writing decent
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Dominic Rath
... My project has been designed from ground up to be able to support different JTAG interfaces. Currently, it supports Wigglers, the FTDI FT2232C and a new
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Tom Walsh
... It s the wigglers. From my experience with them, they can be really tempermental. I found that if I plugged the wiggler directly into the printer port,
Re: [lpc2000] Re: how to delay LPC2294 without timmer..?
2005-12-18 by Richard Duits
The overhead is very compiler dependant and the best way is to take a look at the list file generated by the compiler. Your simple loop may also be longer if
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Tom Walsh
... Been there and done that, no thank you! ;-) I ve been supporting a product for the past 12 years which was 8051 based and I did all my debug from an
Re: [lpc2000] Re: FLASH Security
2005-12-18 by Richard Duits
The JTAG is disabled on reset and it is enabled by the bootloader code when CRP is not enabled. See previous discussions on this list about JTAG debugging from
Re: how to delay LPC2294 without timmer..?
2005-12-18 by dennis_arm
Thank u Richard, I hope this works for me. but i am still left with my questions about the overhead due to the inlization and comparing .. in while and for
Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by rtstofer
I had to kiss off JTAG for my LPC2106 project for two reasons: I didn t have enough pins even with I2C bus I/O ports and, frankly, OCDRemote doesn t work often
Re: FLASH Security
2005-12-18 by jayasooriah
Am I right in assuming LPC2000 CRP is a software fence implemented in the supplied boot loader code? In the case of AVR, CRP is implemented in hardware. This
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-18 by Robert Adsett
... Wimp :) It is, of course, quite feasible to develop without using a JTAG. Indeed on some micros with little or nor ICE or on chip debug support it s
Re: Combining forces on open-source gdb stub
2005-12-18 by Eric Engler
... I haven t looked into this myself, but the manual says it supports both Arm7 and ARM9, and the history says that ARM7TDMI was supported first, before Arm9.
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-17 by Robert Adsett
... PCs and PC programmers tend to allow and encourage a lot of things that are very bad practice in the embedded world. Arguably they are bad even in the PC
Re: [lpc2000] Query (UART inerfacing with LPC21xx)
2005-12-17 by Robert Adsett
... I ve not used this chip but some questions to get you started. How do you know that you are initializing it properly? How are you hooking the ST16C554C to
Re: [lpc2000] Keil µVision3 and AMD IA64
2005-12-17 by Richard Duits
I expect that the 64 bit windows runs all Win32 applications, but you probably need a 64 bit driver for the ulink jtag adaptor which I have not seen yet. I
Keil µVision3 and AMD IA64
2005-12-17 by Gazelle
Hello forum, Can someone tell me whether µVision3 from Keil (ARM) runs on AMD X86-64 architecture ? Thanks, Michel [Non-text portions of this message have
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-17 by Tom Walsh
... Yes, you can do that too with the ARM processor, but you describe that type of data as __attribute__((packed)) to signal the compiler to treat the
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-17 by Tom Walsh
... Yeah, reminds me about something I did with a cast recently to extract a long from char array (buffer). I cast the heck out of that reference to the char
Re: [lpc2000] Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-17 by Tom Walsh
... Well, you could read the Philips manual for the LPC213x family.. Or, you could get an modestly priced evaluation board to try out. Both ways, you will
Re: GNUARM tools at www.gnuarm.com
2005-12-17 by Rick Collins
... That is actually prohibited by Google. The idea is that people click the ads because they are interested in the products and so the advertisers pay for
RE: [lpc2000] LPC2210 boot configuration question
2005-12-17 by vaibhav chauhan
I Have downloaded this datasheet from phillips website http://www.semiconductors.philips.com/acrobat/datasheets/LPC2210_2220_2.pdf and after looking through
RE: [lpc2000] Re: Combining forces on open-source gdb stub
2005-12-17 by Michael Rubitschka
Yes it is interesting, but for Arm9 only. Cheers Michael
RE: [lpc2000] LPC2210 boot configuration question
2005-12-17 by Pieter Verstraelen
The LPC2210 does not have internal flash. So, the 11 option for the BOOT 1:0 pins is not a good idea probably. I want to boot from an external 16 bit FLASH
Re: [lpc2000] LPC2210 boot configuration question
2005-12-17 by vaibhav chauhan
I have not worked with LPC2210/LPC2220 but i have worked with LPC2292 and readed other controllers for using external memory interface from phillips The thing
Re: Tutorial "ARM Cross Development with Eclipse, Rev 3" Now Available
2005-12-17 by householder_lpc
Thank you Jim, and your new co-worker, for a wonderful job that will go a long way in helping beginning engineers to work with the LPC2000! Very much
LPC2210 boot configuration question
2005-12-17 by Pieter Verstraelen
I want to use the LPC2210 with an external page mode flash S29GL032. The LPC2210 has to boot from this device so the value of the BOOT0 and BOOT1 pins is
Keil ULINK
2005-12-17 by Herbert Demmel
Hi, I just bought ULink from Keil - when I connect the USB port it wants to have a file called keil_jtag.sys which is not on the accompaning CD, when checking
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-17 by Marko Panger
Hi, Your replies are just what I was looking for. I needed a confirmation of my understanding and I got it. For me, is normal not to receive a warning in this
LPC23xx - when ???
2005-12-17 by Herbert Demmel
Hi Guys, does anybody have some information when the LPC23xx chips will come out? Currently the only ARM7 with external bus + USB + flash + RAM is the STR7 as
Re: Which pins of P1 can be used simultaneously with JTAG?
2005-12-17 by varuzhandanielyan
I am asking mainly just about LPC213x and LPC214x series. Realy they have too few pins for such a powerful processor. So each pin is a very valuable resource
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-17 by Robert Adsett
... Compiler, micro and possibly more could play a role. ANSI and ISO give the compiler leeway to do just about anything at this point. Some micros will have
Keil 2140 eval board
2005-12-17 by dodge1955
Has anyone had any problems getting the Philips Flash Serial Utility (either 2.2.2 or 2.2.3) to work? I have gotten into the situation where I have downloaded
Re: Combining forces on open-source gdb stub
2005-12-17 by Eric Engler
... This one is also interesting: http://jtager.sourceforge.net/
Re: FLASH Security
2005-12-17 by philips_apps
Hello Jayasooriah, Code Read Protection (CRP) was implemented with intention to protect on-chip Flash content from preying eyes. In context of a system with
Exception Stack Backtracing
2005-12-16 by mattwoolsey
Does anyone have any source code for handling abort exceptions and doing some stack backtracing? I m using the keil compiler, and the supplied functions for
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-16 by Richard
When you use an explicit cast, you are telling the compiler that you know what you are doing and the compiler should leave you alone, so that s what it did.
Re: [lpc2000] Combining forces on open-source gdb stub
2005-12-16 by Rob Jansen
... The differences are not as big as you describe. I used an ARM7 TDMI debugger pod on the TDMI-S, it works but sometimes it just hangs. The biggest
Re: [lpc2000] Un-aligned data access on ARM7 core
2005-12-16 by Tom Walsh
... X86 is about the only 32bit processor that I know of that will access longs / words on uneven boundries. Almost all other families of 32bit processors