Re: [lpc2000] weird problem in UART
2006-01-17 by Karl Olsen
... From: Mauricio Scaff To: Sent: Tuesday, January 17, 2006 10:25 PM Subject: [lpc2000] weird problem in UART
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Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by Sean
Except that the FAT table is usually updated on every write for the last-accessed and/or last-written fields. But if you can get source code for a filesystem
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by Sean
IIRC Tom Walsh has a FAT implementation working with source code for free on the LPC series. You could pretty easily modify it to NOT update the date/time in
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Dave, yes, that would possibly fix both problems, the FAT data is just a tool for the PC afterwards to get to the data (as a file), and the processor
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by David Hawkins
... Perhaps you could get the best of both worlds. Format the card with a FAT file system containing one large file. If the micro only writes bytes within that
Re: [lpc2000] Re: PWM, change frequency during runtime
2006-01-17 by Karl Olsen
... From: bobtransformer To: Sent: Tuesday, January 17, 2006 9:12 PM Subject: [lpc2000] Re: PWM, change
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Sean, the reason (for me) would be that it would be simpler on the LPC board, no need for FAT etc (I m actually also looking into prllc s FAT implementation
weird problem in UART
2006-01-17 by Mauricio Scaff
I have the following problem that is very odd. I have a very simple program that waits one char from the uart0 and sends it back to it. If I set the baudrate
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by Sean
This may be a stupid question, why not just use a file system? I believe that there is some code available for FAT file system access on SD/MMC for LPC
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Hi Sean, you re absolutely right ! If I were to suggest the people that is going to read the log data from this SD card, that they install Linux (or some other
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by David Hawkins
... There s nothing special about the Cygwin technique, it just uses the standard Linux tools. Under the hood its using a Windows call ...
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by Tom Walsh
... His idea is not too bad. blank an SD card with quick format, that will erase the FAT table. Then create a file the size of your buffer. In your
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by Sean
I get really tired of everyone bashing windows all the time... :) Isn t it interesting how 4x the number of bugs are found in linux than windows? But I
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by David Hawkins
... Indeed it works. I just plugged in a USB camera that appears as a USB mass storage device dd bs=512 count=1 if=/dev/sdb of=tmp.img worked, and if I removed
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Yup, if that works, it is sure simple ! The only problem is that I would really hate (and so would the people using the PC software) to install lotsa software
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Hi Jarda, yes, I also thought about that idea, only problem is that the card needs to be prepared on a PC, but I might be able to live with that....Guess it s
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by Jaromir Subcik
Hi Carsten, one possibility is to write one long defragmented file with a 512 (one sector) unique bytes as starting symbol to SD card using standard card
Re: MMC/SD support on LPC2000
2006-01-17 by donhamilton2002
... code snippets assume that Windows knows how to use the media. No program will be able to access that media until windows is happy. Fooling Windows is
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Sometimes I wish I was working under Linux :-) Unfortunately, the people that is going to read the SD cards are not running Linux/Cygwin etc on their PC s, so
Re: [lpc2000] Re: MMC/SD support on LPC2000
2006-01-17 by David Hawkins
... I would just try it and see. Install Cygwin, and then install your USB card reader with SD card installed. Try and figure out if the /dev/sdX nodes are
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by Bertrik Sikken
... Hash: SHA1 ... /dev/sdx filenames also work with cygwin, so you can do something like this under cygwin: dd if=/dev/sdg of=image.bin There is not a
Re: MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Thanks Dave, I have looked at the filedisk program your mentioned, but I don t see (or more correctly, understand :-) how I can use that for accessing the
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by Tom Walsh
... Linux (maybe Cygwin as well?): use dd command to suck in the drive contents: dd if=/dev/sda of=mySDcard.img If you don t want the whole drive image, limit
Re: [lpc2000] MMC/SD support on LPC2000
2006-01-17 by David Hawkins
... If you are running Linux, you can always get direct access to the device via eg. /dev/sda1 nodes (assuming here you stuck the card in say a USB multi-card
Re: Interfacing FPGA to lpc2294 external bus
2006-01-17 by itsjustimpossible
... ... Thats great! Always good to have a bit of a second opinion. Thanks for your help. cheers Simon
Re: PWM, change frequency during runtime
2006-01-17 by bobtransformer
I need to look this up and find out how it works also... With Atmel AVR parts at least, the new PWM value is not accepted as the compare value until the
MMC/SD support on LPC2000
2006-01-17 by Carsten Grøn
Hello, I have some code running now on a Embedded Artists 2148 board that accesses a SD card (based on the philips code). So I can read/write individual
Embedded Dev Tools targeting lpc2000 at GAO Engineering Inc
2006-01-17 by david_embedded
Hello, Season s Greeting to all our customers and readers from everyone at GAO Engineering. For this season, we would like to extend a Preferred Customer offer
Re: [lpc2000] Re: Interfacing FPGA to lpc2294 external bus
2006-01-17 by David Hawkins
... That s always the best solution! ... I believe: tl_DataIn Z ) when (tl_ReadNow = 0 ) else tl_RAM_DATA_OUT; compiles more efficiently on
Re: Interfacing FPGA to lpc2294 external bus
2006-01-17 by itsjustimpossible
... ... I did have to set WST1=1 and WST2=1 in the LPC, this gives one more clock cycle per access and seemed to help a lot. ... Luckily the wait
Re: [lpc2000] PWM, change frequency during runtime
2006-01-17 by Joel Winarske
... An educated guess: It should happen on edge of PWMPC increment, which is driven by pclk edge. So next PWMPC increment edge after writing reg. Joel
Re: [lpc2000] Building DIY wiggler w/74VHC08
2006-01-17 by Bertrik Sikken
... Hash: SHA1 ... Well, if there are spare pins on the parallel port, unconnected pins on the JTAG connector and unused buffers in the line driver, then why
Re: [lpc2000] Re: LPC2103 in IAR EWARM
2006-01-17 by Tom Walsh
... You are confusing copyright with compensation. Regards, TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,
Re: LPC2103 in IAR EWARM
2006-01-17 by Langosta39
My original thought was that this would help IAR more than anything, but I suppose there are some that could argue either way. I think I will just keep the
Re: LPC2103 in IAR EWARM
2006-01-17 by brendanmurphy37
Tom, I m inclined to agree with Paul and just bow out of this discussion, which is going nowhere and is certainly off-topic. However, before doing this, I
Re: [lpc2000] Re: LPC2103 in IAR EWARM
2006-01-17 by FreeRTOS Info
... dis-service. ... Ok, so I really wish I had not said anything now. To hopefully close off this OT thread I would say my original point was more that the
Calling Convention (ATPCS or APCS ?)
2006-01-17 by Boris Estudiez
Hi All, I m programming some assembler functions (with arm-elf-as) and I want to call it from C (arm-elf-gcc). My assembly functions follows the ATPCS (ARM
RE: [lpc2000] Re: LPC2103 in IAR EWARM
2006-01-17 by Paul Curtis
Tom, ... You know, I didn t say that. The context is clear, generating an XML description of a part from a piece of paper or electronic equivalent. I did not
Re: LPC2103 in IAR EWARM
2006-01-17 by brendanmurphy37
Tom, I m no legal expert, but I d use the term copying when talking about reformatting an existing work . Precisely what copyright is designed to control
Re: [lpc2000] Re: LPC2103 in IAR EWARM
2006-01-17 by Tom Walsh
... By Paul s reasoning, if you took the source to an application and handed it to someone to retype, then you own the copyright to that work! That is what
Re: [lpc2000] Re: LPC214x USBMEM stressed hangs after some seconds (USB hangs after some hours
2006-01-17 by Joel Winarske
Hi Dave, I just downloaded the IAR KickStart software for LPC2148 (but not the ... Then it must not be included in the current KickStart version. It s in the
Re: LPC2103 in IAR EWARM
2006-01-17 by brendanmurphy37
I agree: most commercial companies (and certainly most large companies) more or less have to operate on this basis (i.e. copyright everything they do). Don t
RE: [lpc2000] LPC2103 in IAR EWARM
2006-01-17 by Paul Curtis
Tom, ... Unless you went to Bournemouth School then, yes, I did indeed go to a different school. ... Hell, I didn t simply reformat any of Philips documents.
Re: [lpc2000] LPC2103 in IAR EWARM
2006-01-17 by Leon Heller
... From: Tom Walsh To: Sent: Tuesday, January 17, 2006 4:50 PM Subject: Re: [lpc2000] LPC2103 in IAR EWARM
Re: [lpc2000] LPC2103 in IAR EWARM
2006-01-17 by Tom Walsh
... Well, apparently you went to a different school than I did. Copyright can only be asserted on an original work, simply reformatting an existing work does
Re: [lpc2000] LPC2103 in IAR EWARM
2006-01-17 by Tom Walsh
... Probably patented too... Seems that a number of people slap a boilerplate copyright header into everything they do, even trivial code, or stuff that isn t
RE: [lpc2000] LPC2103 in IAR EWARM
2006-01-17 by Paul Curtis
Tom, ... All our header files are generated from XML descriptions and those are also used in the debugger and build system. As to copyright, the person who
Re: LPC2103 in IAR EWARM
2006-01-17 by charlesgrenz
Hi Andy, I talked with IAR about 1 1/2 weeks ago about the very subject and said they had nothing and where not planning to create files for the 2103. I
Re: LPC214x USBMEM stressed hangs after some seconds (USB hangs after some hours
2006-01-17 by Dave McDonald
... the IAR ... c51v801.exe ... I just downloaded the IAR KickStart software for LPC2148 (but not the entire KickStart package) but the only USB samples I saw
Re: [lpc2000] Optimization problem
2006-01-17 by Tom Walsh
... IIRC, -O3 is a synonym for -Os, and if you can debug the code produced under -Os, more power to you! If I need to debug a section of the program I m