Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-11 by David Hawkins
... Check out Red Hat s RTOS eCOS too, and perhaps the RTEMS RTOS. They both implement the POSIX API and probably include file system support for FAT - I m not
Messages
Browse messages
Page 121 of 329 · 16407 messages matched
Re: Cheap SD Flash File System
2005-11-11 by rtstofer
... Yes but my code would NEVER be commercial. I have no interest in developing anything for anybody. I have wandered all over Google and found a couple of
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-11 by Bill Knight
... Another thing to consider is that Microsoft has four patents on the VFAT file system which is the layer that adds long filename support to the original FAT
Re: [lpc2000] Re: Cheap SD Flash File System
2005-11-11 by David Hawkins
... You could always use another file for long names and have that file map the long name to short 8.3 names. I think this is what some of the older CD
Re: Cheap SD Flash File System
2005-11-11 by rtstofer
... file names ... serves as the ... time, ... is ... directory entries ... information ... entries contain ... which is ... simply ... Yes, the name
Re: UART-like USB soft for LPC214*
2005-11-11 by philips_apps
Joel, Dan, I sent some questions to Keil already regarding the concern you have. At mean time, I decide to pull the virtualCOM zipfile out from the Files
Re: [lpc2000] Re: Problem with RA Crossworks
2005-11-11 by Peter Homann
Hi, I removed, then re installed Crossworks and it is now there. ? Thanks for all the help. Cheers, Peter. ... -- ... Web: www.homanndesigns.com email:
Re: UART-like USB soft for LPC214*
2005-11-11 by philips_apps
I didn t think that much on the ownership of the property. We will discuss internally on that and let you know. I ported this from original Keil s HID sample,
RE: [lpc2000] Re: UART-like USB soft for LPC214*
2005-11-11 by Joel Winarske
... Good questions. All the files have the following header: *--------------------------------------------------------------------------- * This file is
Re: Choice of External Frequency
2005-11-11 by seangra
... That explains the vast difference in price between different crystals all at the same frequency. ... Doesn t the 74HC93 cost more than a 2nd crystal? Do
RE: [lpc2000] Re: UART-like USB soft for LPC214*
2005-11-11 by Dan Beadle
Thanks. Is the property of Philips or Keil? Are there any restrictions in using it? _____ From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On
Re: [lpc2000] Re: Choice of External Frequency
2005-11-11 by Tom Walsh
... No, not really. You have to be aware of PPM spec of the crystal. Parts Per Million is a statement of the accuracy of the crystal at a given frequency
Re: UART-like USB soft for LPC214*
2005-11-11 by philips_apps
It s under Files , look for virtualCOM.zip Regards, Tom ... Philips ... great to ... Behalf ...
RE: [lpc2000] Re: UART-like USB soft for LPC214*
2005-11-11 by Joel Winarske
... It s posted: http://groups.yahoo.com/group/lpc2000/files/VirtualCOM.zip
Re: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Jim Parziale
The company s web site is: http://www.ember.com 802.15.4: http://www.ieee802.org/15/pub/TG4.html Zigbee: http://www.zigbee.org/ ... -- ... Jim Parziale Email:
RE: [lpc2000] Re: UART-like USB soft for LPC214*
2005-11-11 by Dan Beadle
When do you expect this to appear in Yahoo files? When on the Philips site? VCOM is a missing piece of the Philips USB puzzle. It will be great to have this
RE: [lpc2000] Re: UART-like USB soft for LPC214*
2005-11-11 by Joel Winarske
... Excellent timing, I was just starting on this today. Thanks Tom! Joel
RE: [lpc2000] Re: Cheap SD Flash File System
2005-11-11 by Joel Winarske
... It also illustrates the Numeric-Tail Generation Algorithm; used to generate a 8.3 compliant name from a long name. Richard can you be more specific on
Re: Choice of External Frequency
2005-11-11 by seangra
... Sorry, my bad. It s LPC2148. ... What effect does jitter on the CCLK line have? ... [Non-text portions of this message have been removed]
Re: UART-like USB soft for LPC214*
2005-11-11 by philips_apps
Varuzhan, What you refer to is a virtual COM port that open a hyperterm on the PC, send data to/receive data from the hyperterm over USB, right? We have an
RE: [lpc2000] Re: Cheap SD Flash File System
2005-11-11 by Joel Winarske
... It start s on page 28 of the MS fatgen103 document: As a consequence of this pairing, the short directory entry serves as the structure that contains
RE: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Joel Winarske
... I m sure you re aware of the LinkOEM module? It implements Chris Fox s design per his application note, in fact I believe it may incorporate his firmware.
Re: Cheap SD Flash File System
2005-11-11 by Ken Wada
... systems ... you ... ones as ... what ... The key phrase here is wear leveling basically you need to add a flash-access sublayer that implements this. The
Re: Flash Security. Is it working good/perfect or not?
2005-11-11 by rtstofer
... look ... harmed ... the ... write ... possible? ... at ... nice ... It looks like section 21.7 Code Read Protection of the LPC2148 User Manual covers the
Flash Security. Is it working good/perfect or not?
2005-11-11 by leosmutter
Just a few thoughts: I have a very nice programm and i know some people want to take a look how it works. So i put it in my LPC2148 with bootloader V1.61 and
Re: Problem with RA Crossworks
2005-11-11 by rtstofer
I have it all over the place: c: program files gnuarm bin arm-elf-objcopy.exe c: cygwin bin objcopy.exe c: djgpp bin objcopy.exe c: WinAVR bin avr-objcopy.exe
RE: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Dan Beadle
I am interested in ZigBee information - Do you have a url? _____ From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf Of Jim Parziale Sent:
RE: [lpc2000] Re: External clock on LPC2131
2005-11-11 by Butler, David
Marcio, I have not had any problems with the PLL. I set it up for M=4, P=2 (just follow the equations in the manual to come up with your own values). So the
Re: External clock on LPC2131
2005-11-11 by unity0724
Hi, Dave B. Is your external 12.28Mhz clock source working fine with the Lpc2xxx internal clock multiplier? Did you turn on Clock PLL on the LPC2131? Thanks
Re: [lpc2000] Re: Sensor networks was Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Ake Hedman, eurosource
Keep us updated. Very interesting! /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820 50 LOS, Sweden Phone: (46)
Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by fredrikssonjohan
Yes, we talked about it in a early stage but as I don t have any knowledge in radio and some customers said that they dont want more radio interferance in
Re: Sensor networks was Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by fredrikssonjohan
CAN bus was thought of but as we needed to interface with an onther RS-485 system it was put in the drawer again. I do am tempted to switch to it as the main
Re: [lpc2000] Sensor networks was Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Ake Hedman, eurosource
Fredrik, I m very interested in sensor networks. Also something I have been working with for many years now and also do at the moment on an open basis in the
Re: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Jim Parziale
Have yuo considered wireless mesh network nodes as opposed to such long cables? I used to work with 802.15.4 and Zigbee, and that company had a good working
Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by fredrikssonjohan
Nice system for green houses or other lighter use. Our cables are heavy duty, taking a load of 4.5 tons each. As we are mainly in dusty environments we also
Re: UART-like USB soft for LPC214*
2005-11-11 by varuzhandanielyan
... Ok, I started just with this example, but it is very far from the FTDI approach. From the PC side it is not COM port and in the microcontroller I have not
Re: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Ake Hedman, eurosource
Thats a lot of sensors!!! Impressive! Have you seen the Snaku at http://www.ibuttonlink.com/ /Ake* * ... -- ... Ake Hedman (YAP - Yet Another Programmer)
Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by fredrikssonjohan
We are reading temperatures in silos (bins) mainly with grain but also animal food or other sensitive to heat products. It s 10-90 meter silos with 1-12 cables
RE: [lpc2000] UART-like USB soft for LPC214*
2005-11-11 by Matthias Hertel
Hi Varuzhan, you should have a look to this example: http://www.keil.com/download/docs/306.asp It should work with the Keil CARM Evaluation version. Matthias
Re: [lpc2000] Choice of External Frequency
2005-11-11 by Richard Duits
I am not an expert in this, but I think the higher the multiplier (= a lower external crystal freq) the more jitter you get on the CCLK. So if you want a very
Re: New to microprocessor
2005-11-11 by Eric
... Thanks for you reply. I ll take a look at what I have and what I can do :)
Re: [lpc2000] Choice of External Frequency
2005-11-11 by Tom Walsh
... You could clue us in on what specific processor the question is about. The UART clock is a bit different in some of the processors. TomW -- Tom Walsh -
Re: [lpc2000] Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Ake Hedman, eurosource
Fredrik, ... I will do that. ... May I as what you do!? Cheers /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820
Re: [lpc2000] Problem with RA Crossworks
2005-11-11 by Tom Walsh
... That is part of cygwin, IIRC, you have to re-run the package installer (I think) and select it. objdump is a standard un*x util. TomW ... -- Tom Walsh -
Re: [lpc2000] Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by Ake Hedman, eurosource
I send it directly to you. /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820 50 LOS, Sweden Phone: (46) 657 413430
Re: Is LPC2138 UART levels OK for a 5V part?
2005-11-11 by fredrikssonjohan
Hi! The main reason for using it was because it takes care of timings and adjust depending on the load of the 1-wire bus. I use it with a mux and collects data
Re: [lpc2000] Problem with RA Crossworks
2005-11-11 by Michael Johnson
... Try re-installing the CrossWorks 1.5 distribution - it s in there. Regards Michael
Problem with RA Crossworks
2005-11-11 by Peter Homann
Hi, As part of getting FreeRTOS working on a 2138 platform, I ve been evaluating Crossworks as a potential IDE. I ve managed to compile and link the
8bit bus
2005-11-11 by szemzoandras
hi, I would like to interface rtl8019 to bank3 of the lpc2292. I tested my data and address bus, and I ve got a interesting problem. If I configure the bus to
Re: [lpc2000] FreeRTOS on LPC2138 - Finally working.
2005-11-11 by Peter Homann
Hi, Well I ve finally had some success. Firstly thanks to all who helped me through it. :-) I ended up using being able to compile the Keil example with the