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2005-11-21 by donhamilton2002
... So the angular encoder puts out 21 clock pulses with 21 transitions of data, right? ... The new encoder will have a bridge between it and the VAX, right ?
2005-11-21 by Joel Winarske
... I haven t followed this completely, but the SSP port has a FIFO. Joel
2005-11-21 by David Hawkins
(sorry, some more thinking out loud) ... p181 of the User Manual: The SPIF bit will be set after the last sampling clock edge of the SPI data transfer So in
2005-11-21 by David Hawkins
... From p180 of the User Manual: The SPI data register is used to provide the transmit and receive data bytes. An internal shift register in the SPI block
2005-11-21 by David Hawkins
Hi Don, ... Right, its not a memory device, the objective is to emulate the interface to a 21-bit serial-interface angular encoder (used on radio telescopes in
2005-11-21 by donhamilton2002
... I don t know of any 21-bit memory devices. So 24 bits is just as good. ... SPI transfers are 8-clocks then an interrupt. ( if enabled) If there is ony 5
2005-11-21 by Ake Hedman, eurosource
Or us I2C (or SPI) already available on the chips. /Ake ... -- ... Ake Hedman (YAP - Yet Another Programmer) eurosource, Brattbergavägen 17, 820 50 LOS,
2005-11-21 by donhamilton2002
... Depending on how much data is to be passed and at what speed. A dual port memory (DPM) is a good interface. Minimal hardware, if your design already has
2005-11-21 by Dan Beadle
They pulled it to look at copyright issues - I don t know when it will be posted. _____ From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On
2005-11-21 by David Hawkins
Hi all, I have an application where I need to emulate a synchronous serial interface to a microVAX (yeah really!). The microVAX reads a 21-bit angular encoder
2005-11-21 by David Hawkins
... Hey Doug, I have not used an LPC with an external memory interface, but I ll suggest a few things. If you wanted to connect two ARM processors together,
2005-11-21 by rtstofer
... main.hex ... for ... LPC2131. ... This is not an error and happens on every make clean . I use the same platform, set up following the same tutorial, and
2005-11-21 by nealbrains
I am starting out with microcontrolles (LPC2131) and using eclipse with cygwin and cdt (zylin). I don t know if this is a problem or not, but when I go to
2005-11-21 by 42Bastian Schick
Doug Sutherland schrieb am Mon, 21 Nov 2005 01:11:38 ... If all the signals are tri-state (low,high, high-Z) it would work unless you make
2005-11-21 by Gus
I think you are right! It generats a 240 byte jump table! Still seem to be overkill Gus ... and ... 0! ... then ... just ... based ... entries. If ... Adding
2005-11-21 by Gus
When I look at the memory usage in CrossStudio, I see 240 bytes and then when I remove any one of the cases the usage goes down to 0! Even if this goes on
2005-11-21 by Paul Curtis
Gus, ... *Where* do you see this and get this number from? If it s data then data encompasses data placed into flash, IIRC. ... Depends upon how the case
2005-11-21 by Eric Engler
Here s my 2 cents on this. I think the LGPL was intended to cover all kinds of libraries in a very generic sense. I think it was intended to allow people to
2005-11-21 by jeanneret_s
... Hello, Sorry, but i did not found this file. Can i find VirtualCOM.zip in an other place ? Thank you ! Stephane
2005-11-21 by FreeRTOS Info
... From these three lines I am guessing that you are using uIP...if so then did you run the makefsdata script after changing the html and cgi scripts? ... You
2005-11-21 by lpc_peter
Hi I am using the lpc 2124 Ethernet board. Now i am building a new cgi file but it is not really working. i linked the new cgiwebpage and i can open it, but
2005-11-21 by Paul Curtis
Gus, I don t see this take any static RAM. Why do you think it does? -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks for MSP430,
2005-11-21 by Karl Olsen
... Does the compiler support ARM-Thumb interworking? See http://groups.yahoo.com/group/lpc2000/message/9860 Karl Olsen
2005-11-21 by dr_danish_ali
Thanks to those who have replied. To Richard, AFAIK the example on the Keil website ... does not make use of the hardware TX buffer. To do that you d need code
2005-11-21 by SR
Hello all, I am using the IAR ARM compiler and can t seem to get the code compiled with the example given by the datasheet to handle IAP programming for
2005-11-21 by Tom Walsh
... Yes, the key is the spirit of , empowering the user rather than chaining them. For example, if a user did not want to write files to your MMC device (via
2005-11-21 by Doug Sutherland
Sorry if this is a dumb question: regarding shared memory between processors, if I have 2 ARM processors both with memory expansion, can they be connected
2005-11-21 by seangra
... Let s say that I split my application into my code, and the LGPL d library. Either can be compiled independantly of the other. So, when compiled, I have 2
2005-11-21 by rtstofer
If you had a transfer vector (an array of library entry points) at a fixed location and all of the proprietary code called library functions indirectly via the
2005-11-21 by Robert Adsett
... Shared in this case I believe refers to the Linux equivalent to a dll. I don t see a way to achieve that in a micro in any sort of useful manner. ... You
2005-11-21 by donhamilton2002
I will leave the discussion about the legalities alone. I would like to know, those whom have used this code. What is the speed of writing a file to the media?
2005-11-21 by seangra
... I agree with your interpretation, however I m just using the language of the LGPL itself. Section 6b starts with Use a suitable shared library mechanism
2005-11-21 by Tom Walsh
... Perhaps you can explain it to yourself, did you try taking a look at the listing file (lss) or did you try an arm-elf-objdump -S -D
2005-11-21 by Gus
put the following code in a file and compile it. it takes 240 byte of RAM!!!!!! Can anyone explain why? Remove any one of the cases and the RAM usage goes down
2005-11-21 by Tom Walsh
... I think you mis-spoke when you used the term shared library and you meant to say dynamically linked library ? A.k.a. runtime linking of program code +
2005-11-20 by seangra
... which, in ... any ... commercially, ... license. ... community ... constraints are ... changes ... and 2 ... Library, ... as ... Library ... modified ...
2005-11-20 by Tom Walsh
... Also read Section 6a of the LGPL to see if the following constraints are acceptable, the LGPL text is found at:
2005-11-20 by Joel Winarske
... FAT12/FAT16/FAT32, ... Bottom of page @ http://efsl.be/ License This project is released under the Lesser General Public license, which, in short, means
2005-11-20 by Tom Walsh
... It is also LGPL code. -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net, http://cyberiansoftware.com Windows? No thanks, I have
2005-11-20 by Problem Solver
Let s take a look at: Embedded Filesystem Library Version 0.3.4 on the Source Forge Site: http://sourceforge.net/projects/efsl I have tried it, it has both
2005-11-20 by Sten
Another solution... But obviously it can only handle one UART connection. ... -- /************************************************ Do you need a tiny and
2005-11-20 by Bertrik Sikken
... Hash: SHA1 ... No, I don t care about long filenames. I looked at FAT32 because I got the impression that it is even simpler and easier to implement than
2005-11-20 by Tom Walsh
... Yup, I got bit! Cost me about 4..6 hours of buzzing out the first prototype against the second PCB run prototypes. That was before I recalled this posting
2005-11-20 by Richard
http://www.keil.com/download/docs/288.asp ... at PICs) so I am looking ... investigation is the UARTs, ... externally-buffered serial input and ... example
2005-11-19 by Sten
... Hi, if you have a 16byte-hardware-FIFO why you should not use it?!? I have written an interrupt-driven driver which is using configurable software TX and
2005-11-19 by rtstofer
I haven t written a driver either but I would would start with a rather large circular buffer. The character IO routines would write to the circular buffer
2005-11-19 by dr_danish_ali
Hi Folks, I am very new to the lpc2xxx family (although I am competent at PICs) so I am looking at what other people do with the peripherals. My current line
2005-11-19 by Arie de Muynck
From: seangra ... It s from the USB spec, based on maximum length cabling and required maximum R-C time for enumeration. Don t play around with it, be sure
2005-11-19 by sashi ono
I posted in files a super basic demo of freertos running on the olimex lpc2148 Dev board. the LPC-P2148. Compiled with gcc. all the demo does now is blink the
2005-11-18 by Tom Walsh
... NO! They wanted a hefty license fee for use in a commercial product. Turns out, the RDCF2 code that is public domain, looks a lot like their code, go