Re: [lpc2000] Re: WDT reset while in an ISR
2006-04-18 by Ralph Hempel
... Honestly Jaya, when you make assertions like: It is because the watchdog timer on LPC is not wired to the Reset interrupt priority level of ARM7. Thus the
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Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Jaya, OK - I ll give up asking you to back your claims, as it doesn t seem to work. I don t see an issue though with pointing out some of the factual errors
Re: WDT reset while in an ISR
2006-04-18 by derbaier
... Did you enable WDMOD[WDRESET] or just WDMOD[WDEN] ? Without WDMOD[WDRESET] set you do not get a RESET, but just a watchdog interrupt, which will be just as
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Hi Andrew, ... Yes you are right in that this is what the original post that started this thread seemed to suggest. I responded with what I thought was going
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
Dear Brendan, Please refrain from ask me anything if you do not need my help. I do not wish to engage with you on this or any other topic. Kind regards, Jaya
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Andy, Check out the ARM Architecture Reference Manual for details on exceptions (section 2.6 in the edition I m looking at). Reset, IRQ, data abort are all
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Jaya, I don t have any needs, nor do I need your help. You made the following statement: It is because the watchdog timer on LPC is not wired to the Reset
RE: [lpc2000] Re: WDT reset while in an ISR
2006-04-18 by Andrew Berney
By my understanding of the original problem he said he is deliberately causing a data abort exception to be raised and while processing this exception has
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
No comment. ... Sorry I cannot help you with your needs.
ARM-VIC-Crossworks
2006-04-18 by mgiaco82
I found this on the Page from Rowley. ... programmed up the VIC but when the interrupt occurs the program jumps to the irq_handler label/function, not
Re: WDT reset while in an ISR
2006-04-18 by brendanmurphy37
Jaya, The watchdog generates a reset when it expires - see any of the user Manual s description of the watchdog and reset sequence for details. From memory,
Re : [lpc2000] Re: LPC2106 flash memory modification by programming!!!
2006-04-18 by Xedius Zolva
Yes this is a part of what I want : ) Thank you. Now I going to think about modify the flash block by block and not all in one time ; ) I want to use MAPPING
Re: Compiller neutral code
2006-04-18 by brendanmurphy37
Jermone, See some suggestions below. Brendan ... writing code which does not use any of the compiler specific extended keywords like __arm, __nested, __irq
samplecode from vinehand
2006-04-18 by mgiaco82
@ vinehand Hello I have a question concerning your sample code from the file list. gnuarm_lpc2148_io_uart_timer_irq.zip GNUARM, on LPC2148, blinking led, uart
Re: LPC2148 - Crossworks
2006-04-18 by mgiaco82
Re: [lpc2000] LPC project
2006-04-18 by David Hawkins
... Hi Jerome, I use uCOS-II on some DSPs in a large project, and the RTOS is very stable. The RTOS is certified to lots of standards that I don t have to care
Re: [lpc2000] LPC project
2006-04-18 by jk jlkj
Hi Dave, David Hawkins wrote: Hi Jerome, ... Do you have the uCOS-II 2nd Edition book? If so, there are several ports to the ARM LPC. I
Re: [lpc2000] LPC project
2006-04-18 by David Hawkins
Hi Jerome, ... Do you have the uCOS-II 2nd Edition book? If so, there are several ports to the ARM LPC. I implemented one that uses the GCC compiler. I find
LPC project
2006-04-18 by jk jlkj
Hi Friends, I have a small project where i use the LPC 2214 . The project consists of communicating with another micro using SPI for the ADC data, I2c
Re: system and user modes
2006-04-18 by jayasooriah
... extended a bit ... My aim was to challenge that assumption that kernel must be large, general purpose, and is only worth if there are many primitives. The
Compiller neutral code
2006-04-18 by jk jlkj
Hi Firends, The other day i was reading a message in this group, about writing code which does not use any of the compiler specific extended keywords like
Re: [lpc2000] Re: WDT reset while in an ISR
2006-04-18 by Robert Adsett
... ... Well, there are ways of getting into undefined situations that don t involve SW. They have to be guarded against as well. A watchdog may not
Re: [lpc2000] Re: system and user modes
2006-04-18 by Robert Adsett
... Actually I was thinking more along the lines of a real time kernel, threads, semaphores etc.. I can see the term being extended a bit beyond that but at
Re: Options for Software Reset in LPC2148
2006-04-18 by jayasooriah
... I looked at one case before, when someone there appears to be a problem with the watchdog and for which Philips proposed a work around. I wrote a piece of
Re: [lpc2000] Re: Options for Software Reset in LPC2148
2006-04-18 by Ralph Hempel
... Ummm, I m not having a problem at all. I m describing one of many ways to reset a part after a firmware upgrade. ... Of course. ... A watchdog reset should
Re: WDT reset while in an ISR
2006-04-18 by jayasooriah
... It is because the watchdog timer on LPC is not wired to the Reset interrupt priority level of ARM7. Thus the Data Abort exception that you are not
Re: Options for Software Reset in LPC2148
2006-04-17 by jayasooriah
... It it not clear to me how you are using the watchdog reset, and why you appear to be having difficulty. Your upgrade software should wait till all is done
WDT reset while in an ISR
2006-04-17 by relentless_6995
Hi, I am using an LPC2138 with IAR compiler. Turning on WDT for the first time. I was testing it a few different ways. One way involves a Data Abort IRQ. My
Re: [lpc2000] Re: Options for Software Reset in LPC2148
2006-04-17 by Ralph Hempel
... I ve used this in the past as well, Brendan, and can vouch for its usefulness. We actually had a special segment of RAM that was NOT part of the BSS, and
Re: Options for Software Reset in LPC2148
2006-04-17 by brendanmurphy37
Eugene, A soft reset of the CPU is easy enough to arrange. However, what s less easy to arrange is that each and every peripheral is reset to a known, correct
Re: Options for Software Reset in LPC2148
2006-04-17 by brendanmurphy37
... firmware ... so ... upgraded.
Options for Software Reset in LPC2148
2006-04-17 by y3peng
Hi there, The project I am working on requires a software reset after a firmware upgrade. One possible solution is to setup a really short watchdog timer.
Re: LPC2148 - Crossworks
2006-04-17 by mgiaco82
@Eric: Sorry I have not used USB till now. So I can t give you any information. Thanks for the information. Yes, there are a lot of examples on the EA page.
Re: Where do i get LPC2124 in INDIA
2006-04-17 by Gopalakrishnan
Thanks Leon But i have made my prototypes and want regular quatities but which are low volumes 8-10 pcs every month.Problem is my distributor used to stock it
Re: SV: [lpc2000] IAR workbench
2006-04-17 by Boudewijn Dijkstra
... You can t use GCC from within the EW (unless you hack into the custom build tool). You can, however, debug GCC-generated ELF/DWARF files. But either will
SV: [ZS2] [lpc2000] Re: Strange problem with the Philips Flash Utility
2006-04-17 by jayasooriah
... I am pleased you liked it. Open source for the boot loader is still an option when I work out how not to engage in disclosure of proprietary information .
Re: system and user modes
2006-04-17 by jayasooriah
... with the ... easily ... Both ... type call ... I know of many who think along the lines you have expressed. They associate kernel with what is found in
Re: [lpc2000] Where do i get LPC2124 in INDIA
2006-04-17 by Leon Heller
... From: Gopalakrishnan To: Sent: Monday, April 17, 2006 11:53 AM Subject: [lpc2000] Where do i get LPC2124 in
Where do i get LPC2124 in INDIA
2006-04-17 by Gopalakrishnan
Hi I have run into a problem .I am not getting lpc2124 in mumbai.Can anybody help with a source or distributor.I enquired with elektronika and they quoted
Re: [lpc2000] LPC2106 flash memory modification by programming!!!
2006-04-17 by haare_in_der_dusche@yahoo.de
Re: LPC2106 flash memory modification by programming!!!
2006-04-17 by jayasooriah
... Is this what you want to do? http://www.cse.unsw.edu.au/~jayas/esdk/sill.html
LPC2106 flash memory modification by programming!!!
2006-04-17 by lpc.lover
hello everyone, I would like to know if it is possible to modify information writes in the flash of LPC2106? I want to realize a little program for receive
Re: [lpc2000] LPC boards in India
2006-04-17 by Mukund Deshmukh
... LPC controllers ( sellers ) in India. The distributors mentioned in Philips website dont give away a few controllers, they are only accepting bulk orders.
Re: LPC2148 - Crossworks
2006-04-17 by Eric Engler
... website - once you register. I think the Embedded Artists USB examples require the use of their closed source RTOS. Is this true? EA looks like a hot
SV: [ZS2] [lpc2000] Re: Strange problem with the Philips Flash Utility
2006-04-17 by Eric Engler
... Jaya, I looked around your site and I really like your tutorials and step-by-step walkthoughs related to your analysis of bootloaders! It s hard to find
Re: security of code
2006-04-16 by Danish Ali
I just re-read your question. The _source code_ is never inside the LPC2xxx. So that s safe even if you don t bother to set the protect pattern ;-) But I guess
Re: security of code
2006-04-16 by Danish Ali
This sort of thing is well documented, but you will have to read both the data sheet and the user manual to find out. My understanding: LPC2104/2105/2106 - no
security of code
2006-04-16 by anantha janardhan
Please let me know the security of source code in LPC2000? Is ther any lock bits like in 8051 controller? janardhan
Re: [lpc2000] LPC boards in India
2006-04-16 by Rock Dubois
go to www.adm-designs.com or there distributor
Re: Efsl-devel digest, Vol 1 #33 - 1 msg
2006-04-16 by rtstofer
... get a better understanding of how this all works? :) I ve used IDEs for so many years and am now trying to use GCC but have very little understanding of