Re: Boot Sector Diagnostics Tool
2006-05-02 by brendanmurphy37
I misunderstood: I thought you were saying there was some advantage to loading an on-target application to do the programming, rathar than just using the
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Re: Boot Sector Diagnostics Tool
2006-05-02 by jayasooriah
Re: Writing 1 bit/byte to the Flash
2006-05-02 by vlads4377
Thank you !!! does it mean that I can re-write sector and to put the bytes that I don t want to change as 0xff. btw, I want to re-write it only once. Thanks,
Re: [lpc2000] Writing 1 bit/byte to the Flash
2006-05-02 by Dominic Rath
You could mask out bits you don t want to change with 0xff, but that only works up to the CRC granularity. IIRC every 16 byte are protected by a CRC value, and
Re: Boot Sector Diagnostics Tool
2006-05-02 by brendanmurphy37
Interesting. Can you say what advantage your method would have over using the built-in loader for production programming? Brendan ... page ... methods) in ...
Writing 1 bit/byte to the Flash
2006-05-02 by vlads4377
Hi, Due to LPC user manual I can write to flash in resolution of 512 bytes and more (That s mean not less than sector). I m looking for way to change single
Re: [lpc2000] Re: Real time library from Keil (ARTX)
2006-05-02 by 42Bastian Schick
Karim, ... Take a look at www.sciopta.com (the company I work for). You need to learn 6 system-calls only (to start). -- 42Bastian
Re: [lpc2000] Device programming (manufacturing / production)
2006-05-02 by nic@weartronics.com
Hi shergtu, If you do not wish to buy the chips pre-programmed or use the outside programming facility, you can use this procedure to program the boards
Re: [lpc2000] Device programming (manufacturing / production)
2006-05-02 by Samuel
Usually what we do is have an agreement with the Philips distributors or with philips semiconductor themselves, pay the devices from them with your code
Re: [lpc2000] Can andyone solve this program problem?
2006-05-02 by Dave Hylands
... It s probably a packing issue. Structures are generally aligned on 32 bit boundaries, so you ll probably find 2 bytes of pad are being inserted between
JTAG slow down
2006-05-02 by Richard Wimmer
I use a EWARM IDE and JLink debugger on a LPC2103. The code is now very simple and executes in a endless main loop (toggling port pin in less than 8 us). When
Re: Boot Sector Diagnostics Tool
2006-05-02 by jayasooriah
Hello, In response to requests for documentation I have put up a brief page on my boot sector diagnostics tool that I made public recently.
Re: Bootloader minor enhancment suggestion
2006-05-02 by jayasooriah
... I can see why Philips may not be in a position to acceed to this request: 1/ This requires hardware change to flash blocking. 2/ The boot sectors (I have
Re: Device programming (manufacturing / production)
2006-05-01 by lpc2100_fan
... Hi, for example BP Microsystems offers support: http://www.bpmicro.com/web/smdevsup.nsf/Manufacturer!OpenView&Start=11056&Count=20 Bob
Re: Device programming (manufacturing / production)
2006-05-01 by brendanmurphy37
... We program through the serial port on the built board, as part of the functional test (for details, see below). ... It certainly is! ... the ... I m not
Re: LPC2148 SPI and SSP behaviour
2006-05-01 by rtstofer
. ... Why would you think that the User s Manual, which is quite explicit, is wrong? The same limitation on SPI speed occurs on multiple devices such as the
Re: [lpc2000] Re: LPC2148 SPI and SSP behaviour
2006-05-01 by Jan Thogersen
Hi Jan, ... Hey, Thanks! That was an interesting way of solving it! Now why didn t I think of that :-) I m just wondering why Phillips didn t make it possible
Re: LPC2148 SPI and SSP behaviour
2006-05-01 by ian.scanlon
... and ... experience ... my ... list to ... to ... questions... ... 7.5 ... datasheet ... really ... days. ... needs 24 ... send ... the ... to ... the ...
Device programming (manufacturing / production)
2006-05-01 by shergtu
This post pertains specifically to the LPC2xx parts with on-chip flash & no external bus. Question: how are you programming the LPC on-chip flash in a
LPC2148 SPI and SSP behaviour
2006-05-01 by Jan Thogersen
Hi, It s now my second week in the presence of a Phillips ARM processor and I must say that it really rock s! However, due to my lack of experience with this
Re: Timer on LPC2138
2006-05-01 by Danish Ali
Hi. There s no such thing as a dumb question. There are lazy questions (where the answer is obvious when you read the user manual). There are dumb answers. Why
Timer on LPC2138
2006-05-01 by sherifkamelzaki
hi i have a very dump question y do we use prescale while we can enter any value we want in the TOMR0
Re: Bootloader minor enhancment suggestion
2006-05-01 by John Heenan
Even without MEMMAP modifcation we could still use interrupt vectors! You are right to clarify the MEMMAP point, although I had meant modifying whatever is
Re: Multiple IRQ routines in GCC (simply)
2006-05-01 by rtstofer
... category interrupts. As I indicated earlier, you can t define them both to be IRQ and then have individual routines - there s only one IRQ vector. I
Re: Bootloader minor enhancment suggestion
2006-05-01 by Danish Ali
Hi John, I think you have a good point. If we can agree how the bootloader should be improved, and it remains compatible with existing hardware*, perhaps they
Re: [lpc2000] Re: Multiple IRQ routines in GCC (simply)
2006-05-01 by vineet jain
OR to put it simply, how would one write an interrupt based application to show time on Hyperterm using LPC controller. Both the UART and RTC are interrupt
Re: Multiple IRQ routines in GCC
2006-05-01 by rtstofer
... interrupts are called should be the same as both use GCC. ... in earlier mail ). ... IRQ interrupts. ... In my initialization code (substantially snipped):
Bootloader minor enhancment suggestion
2006-05-01 by John Heenan
I suggest a formal request be made to Philips with regard to their bootloader for the following minor enhancements. None of these suggestions are strictly
Re: Multiple IRQ routines in GCC
2006-05-01 by rtstofer
... It looks like you are trying to use the VIC to dispatch the interrupt to the appropriate handler. After all, there is only one IRQ entry point and it
Re: [lpc2000] Re: Multiple IRQ routines in GCC
2006-05-01 by vineet jain
I meant the toolchains these two IDE s use. Ideally the way IRQ interrupts are called should be the same as both use GCC. Also how do you plan to write IRQ
Re: Multiple IRQ routines in GCC
2006-05-01 by unity0724
Question: Could it be the IDEs (Keil/Eclipse) are issuing different compiler switches?? I can t think of anything else. If you still cannot get the help from
Re: Free LPC2000 Boot Loader
2006-05-01 by jayasooriah
Hi Martin, I am quite sure Philips monitors this forum. I am prepared to let Philips validate my source code before it is put in public domain. I believe
Re: [lpc2000] Re: Free LPC2000 Boot Loader
2006-05-01 by Martin Maurer
... Ask Philips ? I think they are reading the mailinglist, perhaps they can clarify it... Regards, Martin
Re: Free LPC2000 Boot Loader
2006-05-01 by jayasooriah
... I like to but open source approach could potentially infringe on Philips s rights to keeping chip initialisation methods a secret. Suggestions anyone? Jaya
Re: LPC hardware+software problems
2006-05-01 by avoahjo
Should designs allways follow textbooks or manuals of older processors? Why have 2 watchdogs: internal & external, if one internal integrated can watch both
Re: LPC hardware+software problems
2006-05-01 by jayasooriah
... due to a ... I think so too and the two registers that control this converter are labelled as LPC[10] and LPC[11] in my boot loader page. Whether it is
Re: [lpc2000] Re: Free LPC2000 Boot Loader
2006-05-01 by Micron Engineering
jayasooriah ha scritto: I am interested only if it will be in source code form. ... No virus found in this outgoing message. Checked by AVG Free Edition.
Re: [lpc2000] Re: LPC hardware+software problems
2006-05-01 by sig5534@hotmail.com
... I don t think that is the whole story. The 400mSec for the LPC is due to a voltage convertor starting up inside the chip, as I recall. It is not a
Re: LPC hardware+software problems
2006-05-01 by brendanmurphy37
... LPC=400ms ... Philips describe the on-board flash as program memory , which is its intended purpose. The fact that you can use it for run-time data
Re: LPC hardware+software problems
2006-05-01 by brendanmurphy37
... Can you explain how me pointing out that comparing raw flash speeds is misleading and irrelevant is shooting myself in the foot ? I ve already pointed out
Re: LPC hardware+software problems
2006-05-01 by jayasooriah
... As I said, comparison tables tend to give a more realistic picture I have compared raw flash speed (before cache or MAM) on SAM with LPC and the values are
JTAG programming
2006-05-01 by ovidearistide
Hi, I am trying to program my flash memory via the JTAG interface. However, I am unable to find enough documentation on the JTAG interface. Can anyone give me
Re: LPC hardware+software problems
2006-05-01 by jayasooriah
... My textbook and processor manuals say the watchdogs in CPUs are designed to enable recovery from software deadlocks. If you have hardware deadlocks, and
Re: LPC hardware+software problems
2006-05-01 by John Heenan
More misleading and bizarre statements with regard to fundamental facts. ... cloned ... the ... This is misleading. To their credit ATMEL AVRs were the first
Re: Free LPC2000 Boot Loader
2006-05-01 by brendanmurphy37
... perhaps ... You re right, and I will. My reason for the post was to point out to others the problems associated with using undocumented and unsupported
Re: LPC hardware+software problems
2006-05-01 by brendanmurphy37
... this ... You ve now made the same point yet again, and still don t seem to understand the one I was making. If I know there is a problem with a device, I
Re: Free LPC2000 Boot Loader
2006-05-01 by jayasooriah
... Stick to the boot supplied boot loader if you only wish to rely on what Philips publishes. As for support, I do not want engage in politics. ... Stick to
Re: LPC hardware+software problems
2006-05-01 by jayasooriah
... Have a look what the others provide by way of speed ups before you shoot yourself in the foot like this.
Re: LPC hardware+software problems
2006-05-01 by brendanmurphy37
... of ... The reason you were picked up on your statement is because it is completely misleading to quote the speed of the raw flash. You might was well say
Re: Free LPC2000 Boot Loader
2006-05-01 by brendanmurphy37
... To add to the list: - why should I break the most basic rule of design and rely on something that in turn relies on undocumented and unsupported features