Re: [lpc2000] IDCY LPC2294 (Shorted)
2005-05-04 by Richard Duits
I did not find a way to guarentee an idle time between writes. I inserted an extra write to another address to insert the idle time. It is also nearly
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CAN baudrate/processor
2005-05-04 by vanewend
Hi, I m a student and I joined the lpc2000 group awhile ago. I have just been reading and looking information to my school project. I m using LPC2129. I m
On KEILs Dhrystone benchmarks --again
2005-05-04 by ukkie9a
Hello everyone, To satisfy my curiosity (and verify the code generation of the GNU compiler), I repeated the Dhrystone benchmark with GNU GCC after reading the
RE: [lpc2000] IDCY LPC2294 (Shorted)
2005-05-04 by Sveinung Waade
Tanks Richard - that s verified and nearly true. I tested the following // r7 and r8 points to the external memory ldrb r7,r[8] strb r8,r[7#0x1] ldrb r7,r[8]
Re: IAR Flash Programming
2005-05-04 by irahorden
... It ... 50187.)
RE: [lpc2000] Re: Starter Kit for the Philips LPC2138 or LPC213xMicrocontroller ?
2005-05-04 by vcorem@netvision.net.il
Out of stock... ... From: Ben Zijlstra bzijlstra@home.nl Date: Wed, 04 May 2005 12:14:43 +0000 To: lpc2000@yahoogroups.com Subject: [lpc2000] Re: Starter Kit
Re: [lpc2000] IDCY LPC2294
2005-05-04 by Richard Duits
If I remember correctly, the IDCY only applies if you switch between reads and writes or if you access another memory bank. So between 2 writes to the same
IDCY LPC2294
2005-05-04 by Sveinung Waade
Has anyone tested the IDCY delay between each access to external memory? I m using an octal uart from Philips witch need 100nsec between each access (read or
Re: Starter Kit for the Philips LPC2138 or LPC213x Microcontroller ?
2005-05-04 by Ben Zijlstra
There is a new contest at www.circuitcellar.com about the LPC2138. You get an MBC2130 Keil development board with a LPC2138 controller and development tools
Re: LPC2106 port driving problem (now shortened post)
2005-05-04 by roger_lynx
... another value ... Thanks. So much for the datasheet correctness in this already hazy area. Say what you mean, mean what you say (Alice in Wonderland). ...
Timer Interrupt problem in LPC2106
2005-05-04 by rockraj_2003
Hello Friends, Interrupt problem in LPC2106. I am using IAR EMBEDDED WORKBENCH.The Timer Interrupt is not responding. Simply for Half an hour it typing only
SPAM[Spam 1.0] Re: [lpc2000] rand() function
2005-05-04 by Varuzhan Danielyan
Just to finish the discussion with a useful result. from the chapter 7 of: Link to online-Version: http://www.library.cornell.edu/nr/cbookcpdf.html
Uart interrupt problem
2005-05-04 by cbitsunil
Hi, Iam working on lpc2214 .Iam using Uart0 and Uart1 in interrupt modes for receiving only. Iam working on GCC compiler.Iam getting only the first character
Re: [lpc2000] Re: LPC2106 port driving problem (longer post)
2005-05-04 by Robert Adsett
... Somehow I missed the logical operation part. I must have been blinded by the # :). I can t imagine a circumstance in which that would work. ... The
Re: LPC2106 port driving problem (longer post)
2005-05-03 by roger_lynx
... [edited] ... Yes, typo, but it is a *logical* AND and OR, as the original text emphasizes, as well. ... it. I ... not ... I do not either, the result is 1
Re: [lpc2000] LPC2106 port driving problem (longer post)
2005-05-03 by Robert Adsett
... Ignoring the # as a typo. That code depends on IO0PIN containing the last result written to it. I don t remember that being documented as the case. I
LPC2106 port driving problem (longer post)
2005-05-03 by roger_lynx
Hello, I need to write a nibble to P0.31-P0.28. When I write a value, it is not output correctly: ex. I write 0x7E 5C 38 A1 sequence and I get out 0x7C 4C 38
Re: [lpc2000] rand() function
2005-05-03 by Marko Pavlin
Hello! I found TEA very useful as random number generator. http://www.simonshepherd.supanet.com/tea.htm Marko
RE: [lpc2000] rand() function
2005-05-03 by Paul Curtis
Hi, ... Good question. Usually these implementations are based on linear congruence, i.e next_random = (seed*x+y) modulo a smaller number. ... Try Google,
rand() function
2005-05-03 by varuzhandanielyan
The standard rand() function of many compilers (Keil, etc.) return pseudorandom integer in range 0 to 32767. 1. Is the period of such pseudorandom generators
LPC2138 RX FIFO (not)
2005-05-02 by Lowry, Jeff
Can t seem to get the RX FIFO on UART0 to work... My setup: U0IER bit 0 =1, Enabled RDA interrupt (receive data interrupt) U0IER bit 1 = 1, Enable THRE
Re: What's Best Way to Globally Disable Interrupts
2005-05-02 by embeddedjanitor
... be ... would ... to be in ... to be in ... system ... clear the ... Agree. Look back for postings on spurious interrupts. Fiddling with the VIC is not
Re: [lpc2000] What's Best Way to Globally Disable Interrupts
2005-05-02 by Robert Adsett
... In my opinion number 2 will cause you the least problems. In fact I would disable interrupts before modifying VICIntEnable. And yes you have to be in a
What's Best Way to Globally Disable Interrupts
2005-05-02 by kaiandxiulpc2000
If my user application is running with interrupts occurring, then I need to disable all interrupts for a bit of time: 1) Should I use the C command
Re: Problem with .ld file
2005-05-02 by cbitsunil
Hi Mike, thanks for your reply.Iam using external memory to place some data and read it whenever necessary. Iam just placing some data and there is no need to
Re: LPC2138 GPIO
2005-05-02 by Gus
I have just tested the P0.10 on my system and it is 3.3V!! I am using LPC2138 Did they fix the P0.10 issue on new chips? Thanks, Gus ... power supply. I ll
Re_ Re_ Re_ [lpc2000] Re_ IAP_Flash Programming Time
2005-05-02 by Ralf Knorr
My XTAL freq is 14.7456 MHz Pll factor is 4 - CPUclk=58,9824MHz PLL div is 2 - 29,4912MHz VPB div is 4 - 14.7456MHz But I saw maybe a problem in software,
GNUARM toolchain for Windows updated
2005-05-02 by Rick Collins
The Windows version of the GNUARM toolchain for the ARM has been updated to 4.0. You can download the source and binary files at http://www.gnuarm.com
Problem with OLIMEX JTAG
2005-05-02 by soren_t_hansen
I ve bought a Olimex JTAG and after having pacthed it (connected pin 8 & 15) O m now able to connect to my LPC2138 with OCDRemote. But the problem is, that I m
Re: [lpc2000] Problem with .ld file
2005-05-02 by Michael Anburaj
Sunil, It depends on your requirement, what you want at each memory. Basically you have the .text (code), .data (initialized data) & .bss (uninitialised data)
Re: LPC2106 parallel interface ?
2005-05-02 by cactusjac124
Hi Richard, I can t use the LPC22xx due to other constraints... However I have only one device to control via this bus. This device can be configured to work
Can andyone solve this program problem?
2005-05-02 by 김동휘
Can andyone solve this program problem? The following source code : /* Partition table entry structure */ typedef struct _tagPTINFO { uint8_t
Re: Starter Kit for the Philips LPC2138 or LPC213x Microcontroller ?
2005-05-01 by radim100
... Try This : http://www.keil.com/mcb2130/mcb2130-schematics.pdf
Re: [lpc2000] Newlib-lpc ar/ld weirdness and workaround
2005-05-01 by Robert Adsett
... I think I can shed some light on this. The basic problem is that the newlib library you are linking against already has the routines that the newlib-lpc
Newlib-lpc ar/ld weirdness and workaround
2005-05-01 by deunhido
I noticed the example makefiles that come with Aeolus Development s newlib-lpc port build elf binaries for the tests by passing all the library s .o files to
Re: [lpc2000] IAP encrypted flash re-programming
2005-05-01 by Onestone
To the OP. Bob check out the MSP430 group on yahoo, there was a long discussion of robust IAP programming methods. Al
Re: [lpc2000] IAP encrypted flash re-programming
2005-05-01 by Charles Manning
I have done something like this, but unfortunately can t release it. This is a pretty straight formward thing to do. * Establish comms with PC via RS232. *
Starter Kit for the Philips LPC2138 or LPC213x Microcontroller ?
2005-05-01 by eng_amrahmed
Hi, I search for simple schematics to build my Starter kit. Any help please ? This is my first post here. Thanks very much
Re: [lpc2000] LPC2106 parallel interface ?
2005-05-01 by Richard Duits
Hi, The LPC22xx series would be better for this, because they have an external memory controller. But if you only have one or a few devices that do not need to
LPC2106 parallel interface ?
2005-05-01 by cactusjac124
Hi Guys, I m new to MCU and software so go easy on me, I have a project with LPC2106 and I want to use it to control a different component taht only have a
Re: UART transmit problem with GNU
2005-05-01 by jesperkr123
... Hey Well I solved my problem... I calculated a wrong divisor. unsigned int divisor = pCF / (16 * baud); //Works in Keil, but not GNU should be: unsigned
Problem with .ld file
2005-05-01 by cbitsunil
Hi to all group members, Iam using LPC2214 for my project. i am using external memory for my project.Iam getting some problems with my .ld file.Coz i dont know
Problem with .ld file
2005-05-01 by cbitsunil
Hi to all group members, Iam using LPC2214 for my project. i am using external memory for my project.Iam getting some problems with my .ld file.Coz i dont know
IAP encrypted flash re-programming
2005-05-01 by bobtransformer
Anybody here ever seen (or done) an IAP flash programming app that re-loads flash with updated code that the end user downloads from their PC ? I would think
Re: [lpc2000] GNU AS instruction set
2005-04-30 by Robert Adsett
... Generally, what ever is appropriate to the processor. Presumably since you are asking here it would be ARM :) ... A quick google on Gnu AS documentation
GNU AS instruction set
2005-04-30 by Joe McCarron
What instruction set does GNU AS use? Does anyone know where I can get documentation on it. Thanks JOe
RE: [lpc2000] yahoo: is it time for a change?
2005-04-30 by Modeltech
Well, if I took the avrfreaks website as an example, it was not in the first place for its layout (although I like it) because this is always a matter of
Re: [lpc2000] yahoo: is it time for a change?
2005-04-30 by Rod Moffitt
Thanks for all the wonderful feedback, I appreciate every little comment that you want to share. From what I hear there are people who are suggesting an
Re: [lpc2000] yahoo: is it time for a change?
2005-04-30 by Rod Moffitt
... I meant the popularity of ARM7 in general. - Rod -- ___ ____ ___ _ ___ Rod Moffitt / _ / __ / _ (_)__ / _/__ http://rod.info
Re: [lpc2000] Re: yahoo: is it time for a change?
2005-04-30 by Robert Adsett
... I think the Philips forum has been far outstripped by this one, although I do agree on your sentiments about mailing lists versus web fora. Robert