Re: [lpc2000] How to setup Stacks in GNU
2004-12-28 by Robert Adsett
... I suspect Kris is right, but I don t know the IAR syntax either. There are startup examples in the files section. Also the newlib-lpc has startup and ld
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Re: How to setup Stacks in GNU
2004-12-28 by Karl Olsen
... Yes. ... to ... It zeroes the .bss section and copies initialization values for the .data section. GCC assumes that the startup code does this for code
Re: How to setup Stacks in GNU
2004-12-28 by sig5534
Thanks, I figured as much. I found a couple of examples to download from ARM and they did it like this: /* Setup the IRQ stack */ mov r0,#IRQ_MODE | I_Bit |
Re: [lpc2000] How to setup Stacks in GNU
2004-12-28 by microbit
Hi, ... Can t seem to find a reference to it, but I seem to recall that standard IAR syntax is that SFE is something like : Segment (Flash ?) End. So,
Re: [lpc2000] How to setup Stacks in GNU
2004-12-28 by microbit
Hi Chris, ... I m doing a few quick tests on EWARM kickstart to see how the code/s[eed generation really compares to GCC. When I m done shortly I ll have a
How to setup Stacks in GNU
2004-12-28 by sig5534
Perhaps I am asking a real simple question, but for the life of me I cannot find much information or example code on stack setup. I m trying to move my IAR
Re: Usage of the Flash as Data EEPROM
2004-12-28 by embeddedjanitor
Look at the IAP application note on the Philips web site. ... during ... bytes
Re: [lpc2000] Re: LPC213x, analog port question.
2004-12-28 by Anton Erasmus
... This was using an LPC2292 chip. ... -- A J Erasmus
Re: Usage of the Flash as Data EEPROM
2004-12-28 by varuzhandanielyan
There are cases, when some data, like node address or hardware dependent constants, should be reprogrammed only several times during the whole system life.
Re: Supply Current. Lots additional information
2004-12-27 by philips_apps
Hello, You are right that the value for typical changed and unfortunately both values did not hit the mark that we saw on the bench. While 30 mA was too low,
Supply Current
2004-12-27 by lp2000c
The latest LPC2114 Data Sheet shows a Typical 1.8V current of 60 mA (at 25 degrees, with no active peripherals). This is double the value published in the
Re: LPC2114 Power Specs - Idle Mode
2004-12-27 by yugandhar_vasi
... peripherals ... strategies ... Turn OFF the PLL, and run at crystal speed. I saw that PLL is the major power hogger. I was able to reduce current by more
Delay Funtion Ready -- My first contribution to the Group
2004-12-27 by acetoel
Hello to everybody... Here is ready and tested, my Delay Function using Timer 0 with 1uSec resolution. Please, cheack it, test it, and send critrics about
what's need for Debuging with Multi-ICE?
2004-12-27 by kim_seungkyun
Hello again ;) I encounted problem for using AXD & Multi-ICE. I downloaded test1.zip which simple example about ADS
Re: Updated docs
2004-12-27 by lp2000c
It would be nice if they put the correct dates next to the file links, so one could tell that these are updated documents. For example, the link labeled
Re: RTC manipulation (ctd.)
2004-12-27 by lp2000c
I have not tried it. ... since nobody else could reproduce the problem or find the bug in my code (if any). ... ... a ... a ... trying ...
Re: New file uploaded to lpc2000
2004-12-27 by lp2000c
I removed this file, because a newer version of the LPOC213x User Manual was posted by Philips Apps at:
Re: LPC213x, analog port question.
2004-12-27 by lp2000c
What chip was that? We know the problem exists on 2114/2124. The question is whether it exists on 213x. ... inputs, and connected ... even though the actual
Re: Usage of the Flash as Data EEPROM
2004-12-27 by Gus
that doesn t mean you can use it as EEPROM!!! on an EEPROM you can rewrite one byte, but on flash, you have to erase a full sector in order to rewritre a byte.
Re: Usage of the Flash as Data EEPROM
2004-12-27 by varuzhandanielyan
In the new data sheet for LPC2129 one can see, that minimal write cycles is 100,000 as many as of the data EEPROM of many microcontrollers. Varuzhan ... only
Re: Usage of the Flash as Data EEPROM
2004-12-27 by acetoel
Hello... I also though about that, never implement ir becuase the Flash has a limited cycles of life. So It s better to use an SPI, unless you only need to
Usage of the Flash as Data EEPROM
2004-12-27 by varuzhandanielyan
Dear All, Is there somewhere availabe an example for LPC2100 how to use the flash for data storage? Thank you, Varuzhan
RE: [lpc2000] Re: LPC213x, analog port question.
2004-12-27 by Lasse Madsen
I would be nice to see the actual ADC/IO Schematic so one could see what on earth is going on... Regards lasse ... From: lpc2100_fan
Re: LPC213x, analog port question.
2004-12-27 by lpc2100_fan
Hi as far as I know the previous LPC devices had this problem but the LPC2130 series does not. I heard it somewhere but have not had the change to verify it.
FFT 1024
2004-12-27 by dimaissaev
Hello all. Is anybody know, how many time take FFT at ARM LPC 60mZh? Whe I can find any fixed-piont examples?
Re: [lpc2000] LPC213x, analog port question.
2004-12-26 by Anton Erasmus
... On a design I did, where I only wanted to use one of the ADC inputs, and connected the other lines to 5V devices, I got absolutely garbage readings even
Re: Available space in "files section" is limited
2004-12-26 by Rick Collins
... put them ... I have created a URL for a page at http://www.gnuarm.com/~lpc2000/. If someone will step up to the place and take responsibility for
Re: LPC2131 samples out now, LPC2132-LPC2138 User Manual
2004-12-26 by Rick Collins
... Yes, I found the UMs and I already have the data sheet from the Philips site. I thought someone indicated that an up to date data sheet was available, but
Re: LPC2131 samples out now, LPC2132-LPC2138 User Manual
2004-12-25 by lpc2100_fan
Rick, there are even two versions of the UM in the files section. The Data sheet can be downloaded from Philips.
Re: Available space in "files section" is limited
2004-12-25 by lpc2100_fan
Hi Charles, I think it is good to have Philips contributing in this group but it should still be as independend as possible, Philips hosting a part of it, well
Re: [lpc2000] Files web site
2004-12-25 by Robert Adsett
... Sometimes the obvious eludes me. Sheesh. Thanks Leon. Robert Freedom has no meaning of itself. There are always restrictions, be they legal, genetic,
Updated docs
2004-12-25 by leon_heller
Philips has updated docs for the 2114/2124, 2104/5/6, 2119/2129 and 2194. Leon
Re: [lpc2000] Files web site
2004-12-25 by Leon Heller
... You can just download the index.html file. Leon
Re: Any way to launch ISP ?
2004-12-25 by dave_albert
I restored most of the registers I touched (uart, timers, pll, mam, etc.) to their reset condition and it worked perfectly. Synchronized response ...I keep
Re: [lpc2000] Available space in "files section" is limited
2004-12-25 by Lewin A.R.W. Edwards
... If it really comes down to it, I have plenty of bandwidth and space on larwe.com and zws.com. I d be happy to set up an ftp sub-user for someone from this
LPC2138 SSP port questions
2004-12-25 by beedward2
Hello all, I want to connect an LPC2138 to a Cirrus Logic serial ADC, the CS5451A. This chip is a 6-channel, 16-bit sigma-delta ADC that samples all 6
Re: [lpc2000] Re: Copy RAM to Flash byte long (is partial flash programming)
2004-12-25 by Charles Manning
I certainly did not get good results using this advice. I tried doing writes of 64 bytes at a time using partial page programming. That did not work for me.
Re: [lpc2000] Available space in "files section" is limited
2004-12-25 by Charles Manning
Can t Philips host a files areas? For example, every now and then copy the files odd the file area and put them on a Philips server?
Re: Available space in "files section" is limited
2004-12-25 by Rick Collins
... have ... files area. ... UK2.NET ... could ... UK, and ... I can offer space on my web site at www.gnuarm.com. I don t see the space being any problem.
Re: Any experience of the LPC2130 under very low power?
2004-12-25 by Rick Collins
I don t have an issue with the current drawn from Vdd in power down, I can always cut the Vdd at the regulator. But the Ibat is a lot higher than a typical
Re: [lpc2000] Files web site
2004-12-24 by Robert Adsett
... I ve also created an archive here http://www.aeolusdevelopment.com/Files/LPC2000_Archive/ In this case the files are separate but I ve no index page at the
RE: [lpc2000] question about memory mapping?
2004-12-24 by Dan Beadle
Most demos ship with three xcl files - JLINK, Standalone and RAM. The Standalone is used for placing the code into FLASH. The JLINK usually downloads to RAM
Re: Erasing through JTAG?
2004-12-24 by itsjustimpossible
Hi We had exactly the same problem using the J-Link. What version of the philips bootloader is in the target device? Updating the bootloader in my development
Re: [lpc2000] XMAS present, readable preliminary version of UM2130-series posted
2004-12-24 by Robert Adsett
... Thanks Robert, much appreciated Robert Freedom has no meaning of itself. There are always restrictions, be they legal, genetic, or physical. If you
Files web site
2004-12-24 by leon_heller
I ve downloaded all the files in the Files area to my system, and have created a directory for them on my own web site: http://www.leonheller.com/lpc2000 I ve
Re: [lpc2000] Re: RTC manipulation (ctd.)
2004-12-24 by Leighton Rowe
Have u experienced this problem too? I decided to rest the matter since nobody else could reproduce the problem or find the bug in my code (if any). lp2000c
Re: Where to buy LPC-H21xx in Europe or the US
2004-12-24 by Paulo de Almeida
Michel, Yap, I m wainting for the LPC-H2214 to came out. Thanks Paulo A. ... parts ... Philips ...
Re: Where to buy LPC-H21xx in Europe or the US
2004-12-24 by Paulo de Almeida
Hi, Thanks for the info. PS: The H was a typing error Regard Paulo A. ... parts ... Philips ...
RE: [lpc2000] Available space in "files section" is limited
2004-12-24 by Leon Heller
... I just checked and got 15779 Kb used of 20480 Kb total so we only have about 4 Mb left. I ll transfer everything to my own web site on UK2.net where I
Re: [lpc2000] Available space in "files section" is limited
2004-12-24 by Markus Meng
Hi, concerning archives, In other yahoo groups like for example LTSpice the mailings have been archived and stored in a ZIP archive. This way it is often