LPC and ceramic resonator?
2006-04-19 by Herbert Demmel
Hi guys, has anybody tried to use a 12Mhz ceramic resonator instead of a crystal on a LPC2148 ? If yes, what have been the results? Regards Herbert
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Installing exception handlers from C
2006-04-19 by ndhegde
Hello, I am trying to understand installing exception handlers from C (Ref: ARM developer guide, sec 5.3.2). Could anyone please elaborate the step wherein
Re: system and user modes
2006-04-19 by brendanmurphy37
I wasn t addressing you: I was posting a message on an open forum to correct some misinformation you posted on that same open forum. As a matter of courtesy, I
Re: system and user modes
2006-04-19 by jayasooriah
... Oh no! Not again! Did I not tell you not address me Brendan? Try it. It is not hard to do. Thanks for understanding. Jaya
RE: [lpc2000] help coding ISR in asm
2006-04-19 by Andrew Berney
Is there a reason you re doing it in assembler? It s fairly straightforward in C that s all. Andy ... From: lpc2000@yahoogroups.com
Re: system and user modes
2006-04-19 by brendanmurphy37
Jaya, Robert is not incorrect. The fact the LPC2k has different operating modes does not mean it has the capability of implementing a privileged mode operating
Re: Strange problem with the Philips Flash Utility
2006-04-19 by Danish Ali
Hi Jaya, I suspect that (for example) LPC2104/5/6 do use identical dies. Devices would be sold as LPC2104 primarily because of defects in the FLASH memory.
Re: [lpc2000] USB CDC standard inf file
2006-04-19 by FreeRTOS Info
From: Marko Pavlin To: Sent: Wednesday, April 19, 2006 8:51 AM Subject: [lpc2000] USB CDC standard inf file ... The
[lpc2000] USB CDC standard inf file
2006-04-19 by Marko Pavlin
I would like to use CDC USB class to replace RS232 interface for a product implemented with LPC2148. I have some (mostly windows ) questions: 1. Does
RE: [lpc2000] Re: LPC2000 vs AT91SAM7S or AT91SAM
2006-04-19 by Tim Wade
If you are running wondoze then it is still quite useful to have the reset button on the front panel... ... From: lpc2000@yahoogroups.com
Re: LPC2000 vs AT91SAM7S or AT91SAM
2006-04-19 by jayasooriah
... I can see good reasons. Using the reset pin for other purposes is the obvious one. I recall at one time PC manufacturers thought it needed a reset button
DM9000 interface
2006-04-19 by rohan patil
hi everybody.. please give me solution for follwing. i m interfacing dm9000 ethernet controller ic with microcontoller i have used memory mapping for
Re: ARM-VIC-Crossworks
2006-04-19 by mgiaco82
... Okay, thanks And where can I get v1.6? On the page I can t find this version. mathias
help coding ISR in asm
2006-04-19 by anish n
hello, i want to generate an interrupt from TMR0 every 4secs; and register a FIQ handler for it. could any one please help me with this. i am using GNU as
Re: Strange problem with the Philips Flash Utility
2006-04-19 by jayasooriah
... You could (possibly) use it to upgrade LPC2104 to LPC2106 by simply copying the boot loader across. Philips will not like this. [Newer variants of
Re: system and user modes
2006-04-19 by jayasooriah
Robert, Given my aim is to present an alternative view, but not to impose this on anyone who does not appreciate its merits, I like pointing out only ...
Re: Strange problem with the Philips Flash Utility
2006-04-19 by unity0724
Hello!!.. Bootloader... Why not you do something more fantastic for group members here: = Something that able is to copy the bootloader from one chip to
Re: [lpc2000] Re: system and user modes
2006-04-19 by Robert Adsett
... Nonsense. If the user application hangs up the fact that the user code is in user mode but the kernal in system mode won t make recovery easier or harder.
Re: [lpc2000] IAP problems (LPC2131)
2006-04-19 by Tom Walsh
... That has nothing to do with disallowing RAM access. MEMMAP set to User RAM Mode. Interrupt vectors are re-mapped to Static RAM. means exactly that.
Re: system and user modes
2006-04-19 by jayasooriah
Allow me to get back to the thread proper using top down. I will start with the list of advantages I have already pointed out as arising from making the
Re: WDT reset while in an ISR
2006-04-19 by jayasooriah
... Thank you for the update. Please feel free to keep us informed. I am looking at (and documenting) at a very similar problem relating to WD timer not
Re: [lpc2000] Re: system and user modes
2006-04-18 by Robert Adsett
... I don t yet see a benefit in using SWI over a function call. Only disadvantages. That is the question here; not the size of whatever we refer to as the
Re: IAP problems (LPC2131)
2006-04-18 by adelacruz01
Hi Charles, I tried your solution, but the result is the same - lockup with watchdog disabled, software reset with watchdog enabled. I will keep trying
Re: IAP problems (LPC2131)
2006-04-18 by charlesgrenz
Dear Anthony, On my version is make P0.14 an output and set it low before calling the vector. This has worked perfectly. regards, Charles
RE: [lpc2000] Re: ARM-VIC-Crossworks
2006-04-18 by Paul Curtis
Hi, ... Just: VECTORED_IRQ_INTERRUPTS This defines it. If you want to give it a value: VECTORED_IRQ_INTERRUPTS=1 -- Paul.
IAP problems (LPC2131)
2006-04-18 by adelacruz01
Hi, I m currently on a project which uses the LPC2131 mp. The problem I m trying to tackle at the moment is trying to get the IAP to successfully copy RAM data
RE: [lpc2000] Re: ARM-VIC-Crossworks
2006-04-18 by Paul Curtis
Hi, ... The latest v1.6 release has this capability. -- Paul.
Re: ARM-VIC-Crossworks
2006-04-18 by mgiaco82
... to the ... copy. ... and ... the ... moment, I ... processors ... And there i must write #define VECTORED_IRQ_INTERRUPTS 1 or what else? thanks, mathias
Re: ARM-VIC-Crossworks
2006-04-18 by mgiaco82
... to the ... copy. ... and ... the ... moment, I ... processors ... Hello this: http://groups.yahoo.com/group/lpc2000/message/15362
Re: WDT reset while in an ISR
2006-04-18 by relentless_6995
Well as the original poster I have some more news - the WDT does fire off a reset while the code is buried in an IRQ. For yet unexplained reasons the WDT that
Re: ARM-VIC-Crossworks
2006-04-18 by rtstofer
... Paul, Outstanding! I had tried that earlier without success. But then, I didn t know if it was supposed to work. I certainly have no desire to change the
Re: LPC2000 vs AT91SAM7S or AT91SAM
2006-04-18 by sunil_barot
... I do not have an answer specific to you application but in my case I am moving over to LPC2136 and not using AT91SAM7S. The reset pin of AT91SAM7s remains
RE: [lpc2000] Re: ARM-VIC-Crossworks
2006-04-18 by Paul Curtis
Hi, ... 1. Right click the project node in the project explorer. 2. Click Properties. 3. Click the Preprocessor tab (at the end). 4. Preprocessor Definitions
Re: ARM-VIC-Crossworks
2006-04-18 by mgiaco82
... Hello Paul, where ??? and what must I set? and pleas can you have a look to my other question concerning rowley. thanks, mathias
Re: ARM-VIC-Crossworks
2006-04-18 by mgiaco82
... program ... at ... startup ... top ... Right ... Hallo Richard, thanks for the message. Pleas can you give me a detailed description of that. I don t see
RE: [lpc2000] Re: ARM-VIC-Crossworks
2006-04-18 by Paul Curtis
Richard, ... Set it in the preprocessor definitions of the project. -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks for ARM, MSP430,
re: LPC2292/2294 reset issues
2006-04-18 by jayasooriah
Hello, If anyone is still using LPC2292/2294 rev A parts, please get in touch with me by email. I am looking at a RESET.1 problem in connection with (alleged)
Re: ARM-VIC-Crossworks
2006-04-18 by rtstofer
... Yes, you have to do something to alter the way in which the startup file is assembled. Look at the Philips_LPC????_Startup.s file. Somewhere (maybe
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
... How can I when you will not stop asking questions? :)
Re: [lpc2000] Re: WDT reset while in an ISR
2006-04-18 by Geoffrey Wang
Jaya, Keep up the good work! This thread was amazingly entertaining. Geoffrey ... From: jayasooriah To: lpc2000@yahoogroups.com Sent: Tuesday, April 18, 2006
Re: [lpc2000] LPC project
2006-04-18 by Boris Estudiez
... What about FreeRTOS (www.freertos.org) ?. AFAIK, It can be used in commercial applications without charge. Regards, Boris Estudiez.- -- Contacteme en: *
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Jaya, What question? I didn t ask one. All I pointed out was that information you posted was incorrect. As you ve no further comment to make, I m assuming
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Sincere apologies before I get flamed -- I got Paul and John mixed up. I withraw the statement second sentence unconditionally - Jaya ... yourself a
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Hi John, I see you back in support of distractions yet again :) Have you finished your interrupt example yet? I am sort of waiting on your solution to see if
RE: [lpc2000] Re: WDT reset while in an ISR
2006-04-18 by Paul Curtis
Jaya, ... If you ve got no comment, don t comment. You re just digging yourself a deeper hole. -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
No comment.
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Jaya, You can deny it all you want. The fact is that in: http://groups.yahoo.com/group/lpc2000/message/15370 you made the following assertion: It is because
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Dear Ralph, This kind of argument gets nowhere. It was not an assertion, but a response to a claim by the poster who started the thread. The original claim
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Thank you Brendan.
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Thanks, Ralph: very well put. I fear you re wasting your time, though... Brendan ... that