RE: [lpc2000] Re: Choice of External Frequency (anyone?)
2005-11-15 by Joel Winarske
... There are two PLLs in the LPC2148. If you run an external crystal of 12MHz, the two PLL s allow you to run the CPU at 60MHz, and USB at 48MHz. Utilizing
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Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-15 by latheef
Hi, Can you tell me how to work this code on windows on PC ,so that i can be familiar with the code and then work on target. ... From: Bryce Schober To:
Re: Choice of External Frequency (anyone?)
2005-11-15 by seangra
Anyone have a response to this? If I use the LPC2148 am I essentially stuck with a 12MHz external crystal if I want to use USB and have the uC running at full
Re: LCD interface
2005-11-15 by seangra
... Pankaj: I don t think that you will find anyone who would design something for you free of charge, since there is a lot of work involved. If you want
Re: LPC2101/2/3 Manual
2005-11-15 by philips_apps
Bob, code that runs on the LPC2104 will also run on the LPC2102, exception, the PWM unit which has been replaced by 2 16-bit timers with edge aligned PWM. On
Re: [lpc2000] REG: Memory Storage on LPC
2005-11-15 by Samuel
To store in flash you can use IAP, the file saving stuff is a little diffcult to use with IAR, there is functions like fopen and stuff but, but you need to
Re: LPC2101/2/3 Manual
2005-11-15 by bobtransformer
So, is the LPC2104 (LPC210X on Philips web site) the closest thing to the LPC2102 at the moment ?? I m designing one in. thanks, bob
Re: LCD interface
2005-11-15 by jerry_lew
... Pankaj, If you need to be running quickly, Signum Systems has LPC2138 board ($195) available with 2x16 LCD, battery backed-up timer, speaker output and
Re: LPC2101/2/3 Manual
2005-11-15 by philips_apps
Hi, will post it within the next 2 weeks Robert
Re: Cheap SD Flash File System
2005-11-14 by rtstofer
... idCategory=10 and ... support. You ... $188. It makes sense it would be that way but I wasn t prepared to spend money so I didn t pursure it further. I
Re: [lpc2000] bug in JTAG implementation?
2005-11-14 by Dominic Rath
I ve seen similar behaviour on a LPC2294 I ve used to test with. I asked philips support, and they told me they don t know about any problems... Anyway, as you
bug in JTAG implementation?
2005-11-14 by Bhanu Nagendra Pisupati
When a value is shifted into the scan select register of the Embedded ICE module of the lpc parts (through JTAG), ARM7TDMI documentation specifies that the
LPC2101/2/3 Manual
2005-11-14 by wir_jan
Hi, Does anyone have Manual for LPC2101/2/3 series? rgds, Janusz
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-14 by Bryce Schober
... Look at http://www.prllc.com/productcart/pc/viewCat_P.asp?idCategory=10 and you ll see that they ve simply separated their physical media support. You can
Re: [lpc2000] Re: Flash Versus RAM
2005-11-14 by Ake Hedman, eurosource
Thanks a lot Karl. Much valuable info! /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820 50 LOS, Sweden Phone:
Re: [lpc2000] Philips AN10406 sources?
2005-11-14 by Tom Walsh
... nm, I see that Acrobat 7 will cut & paste from the AppNote. TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,
Re: Flash Versus RAM
2005-11-14 by Karl Olsen
... With gcc, the easiest way is like this: static void ramfunc (int i) __attribute__ ((section( .data ))); static void ramfunc (int i) { /* ... */ } This
Philips AN10406 sources?
2005-11-14 by Tom Walsh
Hello, Has anyone on the list (or at Philips Semi) the source for APPNOTE AN10406? It sure would save me a lot of typing if someone could share the source that
LCD interface
2005-11-14 by bhimanipankaj
Dear ARMiessssss.. I am very new to ARM world and here I need to interface 20X2 character LCD module, and 4 MB Non Volatile RAM with LPC2214 as well as Full
Re: [lpc2000] Re: Flash Versus RAM
2005-11-14 by Ake Hedman, eurosource
... How do one make a function go into ram? /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Re: Flash Versus RAM
2005-11-14 by Karl Olsen
... When using gcc, you can define this in the linker script and startup files. The normal setup is: Const variables (global and static) go into flash.
REG: Memory Storage on LPC
2005-11-14 by rockraj_2003
Dear Friends, Now i am doing a prototype of Wireless Data Acquisiton System. I am using Lpc 2148. It has 512KB flash. I want to use the Flash for Data Storage.
Re: ARM-JTAG (Wiggler compatible)
2005-11-14 by Eric Engler
... You d know more than me about this, but in my recent research of these devices your CrossConnect keeps coming up. And you re the only USB and commercial
Re: Flash Versus RAM
2005-11-14 by syedismail_sifa
... Code goes into flash. The flash can be erased in sectors, so can be used for data. You can also eexecute code from RAM. But the vaiable space and stack is
Flash Versus RAM
2005-11-14 by mhaines4102
On the 2138, there is 512K of flash and 32K of RAM. Can anyone tell me what goes in flash vs. RAM (i.e. globals, stacks, heap, executing code.) I have lots of
Re: UART-like USB soft for LPC214*
2005-11-13 by Richard
This is VERY cool, when can we expect to see the files? Rich
RE: [lpc2000] Re: ARM-JTAG (Wiggler compatible)
2005-11-13 by Paul Curtis
Eric, ... Yes, this is true. One other question is how much we provide in the API. ... I find that doesn t cut much ice when paying for groceries at the local
New file uploaded to lpc2000
2005-11-13 by lpc2000@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the lpc2000 group. File :
RE: [lpc2000] Re: Cheap SD Flash File System
2005-11-13 by Joel Winarske
Some informative links that reference LFN/VFAT: http://home.no.net/tkos/info/fat.html http://hjem.get2net.dk/rune_moeller_barnkob/filesystems/vfat.html
Re: ARM-JTAG (Wiggler compatible)
2005-11-13 by Stephen Pelc
... MPE s JTAG Widget has a completely open and documented API. It will work for any O/S (including Linux) that supports the FTDI chips. See:
RE: [lpc2000] Re: Cheap SD Flash File System
2005-11-13 by Joel Winarske
... I just ran across this: http://freedos-32.sourceforge.net/showdoc.php?page=fat Source download: http://tinyurl.com/9ulq3 Joel
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-13 by Tom Walsh
... I can read & write files larger than 32Meg. What took me a while to figure out was why my converted RDCF2 code was not utilizing the whole drive. I would
Re: Cheap SD Flash File System
2005-11-13 by rtstofer
There is another FAT16 library here: http://alexfru.narod.ru/os/fat/fat.html It is very complete with the exceptions noted for FAT32. Essentially the library
Re: Cheap SD Flash File System
2005-11-13 by rtstofer
... achieved when ... or SPI)? ... the ... for SPI ... caching and ... budget you ... I had it written down but lost it... I think I am moving about 170,000
Re: Cheap SD Flash File System
2005-11-13 by Joel Winarske
As referenced from the SanDisk Secure Digital Card Product Manual, version 1.9: **Product Maximum Clock Speed and Burst Rate** MultiMediaCard / Clock Speed /
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-13 by Joel Winarske
... Based on the user manual: The minimum divider value on the SSP peripheral is 2. You can run the peripheral clock at CPU speed; 1:1. The SD Card Max clock
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-13 by Tom Walsh
... I m only interested in the rdcf2.c file, I threw cache.c and file.c away. What I m doing is interfacing it to file streams of NewLib. I don t need / want
Re: ARM-JTAG (Wiggler compatible)
2005-11-13 by Eric Engler
... I m sure you understand the pros and cons of opening the interface. In favor of opening the API: 1. If the interface is open you may sell more CrossConnect
Re: Cheap SD Flash File System
2005-11-13 by rtstofer
... executes ... HD ... where ... about ... doc ... that ... It ... image. ... is ... contents. ... I really don t understand why it doesn t work, I can only
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-12 by Tom Walsh
... No, there is code in there to adapt between 12bit & 16bit FATs.. It does appear to be working, I m writing files onto a 128Meg MMC image. More testing is
RE: [lpc2000] Re: ARM-JTAG (Wiggler compatible)
2005-11-12 by Paul Curtis
Eric, ... We are currently in two (or maybe three) minds as to whether to open up the CrossConnect API. There s good reasons to keep it closed and good
Re: ARM-JTAG (Wiggler compatible)
2005-11-12 by Eric Engler
... The J-Link comes with a Windows DLL that provides a proprietary (closed) implementation of the RDI debug commands. They also make a J-link server that
Re: Cheap SD Flash File System
2005-11-12 by seangra
... Ideally the limitation will be on use of the SPI interface. Don t forget that it s 1/4 the speed of talking natively to the MMC card. The file system
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-12 by Sten
... Does anybody has some experiences in what data rate can be achieved when writing to an SD/MMC card? What is the bottleneck (software/FAT or SPI)? Sten --
Re: Cheap SD Flash File System
2005-11-12 by rtstofer
... ... It ... on ... a ... Otherwise ... Yes but many implemtations allocate storage for a predefined maximum number of open files. Not a
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-12 by Tom Walsh
... The alloc() and free() function calls have to be written out. Otherwise we are in danger of fragmenting the RAM on the LPC2000 processors. TomW -- Tom
Re: UART-like USB soft for LPC214*
2005-11-12 by varuzhandanielyan
Maybe I do anything wrong, but I cannot find virtualCOM.zip in the files section. Varuzhan
RE: [lpc2000] Re: Cheap SD Flash File System
2005-11-12 by Joel Winarske
... There s a $10k buy-in...
Re: Cheap SD Flash File System
2005-11-12 by rtstofer
... It looks like rdcf2 is quite complete and includes a test suite. It supports FAT12 and FAT16 and the documentation is very good. It can also be built
Re: Cheap SD Flash File System
2005-11-12 by Gus
The licence for FAT is $0.25 per product Gus ... notation ... code ... on