Re: [lpc2000] How Can I check the RS485 Communication?
2006-04-04 by Robert Adsett
... Put an oscilloscope on the line. That will verify that you have signals of the correct voltage and speed. After that any number of commercial 485-232
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Re: [lpc2000] How Can I check the RS485 Communication?
2006-04-04 by Saravanakumar S
Thank you for your information. How We Can sure the converted data is Correct.Because,we cannnot check the RS485 data.Whatever the RS232 data we received from
RE: [lpc2000] Can't find low volume sources for many LPC parts
2006-04-04 by Frantz Robinson
At this moment, of all LPC213x -4x we have in stock: Future Electronics Europe: 960 pcs LPC2131FBD64-S-LF 320 pcs LPC2134FBD64-S-LF 320 pcs LPC2136FBD64-S-LF
Re: [lpc2000] How Can I check the RS485 Communication?
2006-04-04 by Leon Heller
... From: Saravanakumar S To: Sent: Tuesday, April 04, 2006 12:30 PM Subject: [lpc2000] How
How Can I check the RS485 Communication?
2006-04-04 by Saravanakumar S
Hi all, I am newbie to this field. I have a Serial device,it is based on RS485 communication. It tranmits the data,but i didn t get any data.So that,I
Re: Can't find low volume sources for many LPC parts
2006-04-04 by jayasooriah
... It is possible there are foundry problems. My information is not to rely ETAs quoted to/by suppliers too much. Jaya
Embedded printf/sprintf
2006-04-04 by Jim Parziale
Hi all - A couple days ago someone had asked for a small version of printf/sprintf for embedded systems. I uploaded the file rprintf.c to the files section.
New file uploaded to lpc2000
2006-04-04 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 : /rprintf.c
Re: 1x PLL or turn it off?
2006-04-04 by unity0724
... Umm... Somehow I thought of PLL/VCO with low pass filter might: - Reject any noise, glitch, short pulses on the oscillator (e.g., there might be a
Re: Can't find low volume sources for many LPC parts
2006-04-04 by unity0724
... Umm... I think more likely product is very HOT CAKE and of high demand.... Many be on allocation soon. Chip is good! Right?? www.adilam.com.au looks
Re: [lpc2000] Can't find low volume sources for many LPC parts
2006-04-04 by Leon Heller
Leon Heller, G1HSM leon.heller@bulldoghome.com http://www.geocities.com/leon_heller ... From: Ryan Niemi To:
Re: Do not over-feed the Watchdog (?)
2006-04-04 by Danish Ali
... Hi Tom, Good point, particularly as I hadn t included any source code let alone the resulting assembly code. When you view my watchdog feed routine, note
Re: [lpc2000] SPRINTF??
2006-04-04 by Boris Králik
I don t link stdio.h, I use only printf/sprintf source code from menie.com and it work correctly. If you want, you can to download from my website, project
Re: [lpc2000] Exception Handling
2006-04-04 by Sten
... Hello, one week ago we had a discussion about correct code generation using gcc in conjunction with __attribute__((interrupt( IRQ ))). See message #14601.
Couple of newbie questions (LPC2294)
2006-04-04 by flocheckv10
Hi, I recently bought the IAR kickstart kit for LPC2294 (came with a phytec board, PCM023 header + HD200). I hope someone can help me answer these questions..
Re: How to get the Machine Type?
2006-04-04 by volunteer_sysu
Thank you! Regards, Kevin ... had to ... UART. ... boot ... how to ... it? ... you very ... IAP / ... You ... you, ... not
Re: Code Read Protection Feature : Flash Security issue ?
2006-04-04 by croquettegnu
Thanks Jaya for your clear response. This is what I thought. I will search for other topics since everybody advised me...
After copying code from Flash to RAM?
2006-04-04 by volunteer_sysu
I am writing a bootloader a development kit based on LPC2210. I want to copy the code from Flash to RAM, which is asynchronic CellularRAM---- MT45W2Mx16P, will
Re: [lpc2000] a matter of taste?
2006-04-04 by 42Bastian Schick
... ^ superfluous ... With the little extension I totally agree. But this is kind of religous war between those who use USENET and email since the beginning
Re: assembler arm vs. gas
2006-04-04 by Eric Engler
... I think that d be the easiest way of making an open source assembler that uses standard Arm syntax. But you d have to know both the gas and Arm syntax
Re: [lpc2000] 1x PLL or turn it off?
2006-04-04 by Robert Adsett
... The PLL almost certainly can t be more reliable than the oscillator since it uses the oscillator as an input. I d just use the oscillator and leave the PLL
Re: [lpc2000] Do not over-feed the Watchdog (?)
2006-04-04 by Tom Walsh
... That is suspicious! I would look very carefully at the assembly language being generated by the compiler to ensure what I said in C actually is being done
Re: Code Read Protection Feature : Flash Security issue ?
2006-04-04 by jayasooriah
Hello, ... Not only less efficient but also not as safe. ... I understand there are. No one has posted one in this forum. Posting such a solution would IMHO be
1x PLL or turn it off?
2006-04-04 by unity0724
Some opinions needed: If I m running CPU clock at 18MHz with an external 18MHz crystal, which is more reliable (over full temperature/voltage range): - Switch
Re: Programming without the RS232 cable
2006-04-04 by ah_sandiego
Sorry, I did not know it changed. It is the LPC2148. Thanks, AH ... are ... in a ... with this ... RS232 ... make
Re: Programming without the RS232 cable
2006-04-04 by lpc2100_fan
Depends on your device. In the LPC2138/LPC2148 the top I think 12k are reserved for that, if you are using the LPC2103, no sweat, it is in a ROM outside the
Programming without the RS232 cable
2006-04-03 by ah_sandiego
I have a Trace32 JTAG programmer. I want to program my board with this (using an elf file). I however don t want to erase the built in RS232 serial port
new LPC2103 board bootloader problem
2006-04-03 by Richard Wimmer
Hello, A new and blank LPC2103 chip is on my new board. I use the IAR with the jLink debugger. For the bootloader I used the given example IAR_LPC210xRomMon. I
Exception Handling
2006-04-03 by gtechnzltd
Hi there, Any advice on exception handling. Do you think this is the best using the GCC tools. 1: Define the exception handles and functions in main, EG:
Re: assembler arm vs. gas
2006-04-03 by Steve Franks
... I m really a bit naive here, no doubt, but couldn t one make the preprocessor run on a .S file (probably it already does)? Then we could macro in the
Re: SPRINTF??
2006-04-03 by yugandhar_vasi
To use those functions, malloc has to work, Check if you have proper implementation of brk, sbrk to adjust the pointer to allocate memory. You can just have
Re: Question for Philips_apps
2006-04-03 by Joerg Schulze-Clewing
Hello Dave, ... Again, I don t know the LPC2214 but 3nsec is possibly all it can do. Usually the output devices in a CMOS chip are similar so I don t quite get
Do not over-feed the Watchdog (?)
2006-04-03 by Danish Ali
Can someone point me to a definitive / application reference for the Watchdog circuit used in the LPC2xxx - )one that is better than the user manual for
Re: Question for Philips_apps
2006-04-03 by dave_baker_100
Joerg Thanks for the suggestions. Using a very short ground probe I ve got an improved waveform 2.5V pk- pk but asymmetrical, where the fall time is approx 3ns
SPRINTF??
2006-04-03 by ah_sandiego
I want to use SPRINTF in my program. I included and and it didn t work. I am using GCC tools. Any suggestions? Thanks, AH
Re: Anyone had a problem with port0.3 ?
2006-04-03 by c.barbaro
It is an open collector even if you use it as simple GPIO. (Same problem occurred to me...) Carlo
Re: Question for Philips_apps
2006-04-03 by Joerg Schulze-Clewing
Hello Dave, ... 10pF represents around 270ohms at that frequency. I am not familiar with the LPC2214 but that doesn t seem like much of a load for a uC. Are
Re: [lpc2000] Code Read Protection Feature : Flash Security issue ?
2006-04-03 by Tom Walsh
... Please search the message archive, please? This has been talked to death on this forum! Try to do a little research before you ask a question? ok? TomW
Re: [lpc2000] RTC day of week
2006-04-03 by Tom Walsh
... Correct, you are responsible for setting DOW and DOY. This is a good reason to use newlib, it has those calculations built into the mktime() functions.
Re: [lpc2000] How to get the Machine Type?
2006-04-03 by Tom Walsh
... device_id_t deviceIDs [24] = { { 2104, 0xFFF0FF12 }, { 2105, 0xFFF0FF22 }, { 2106, 0xFFF0FF32 }, { 2114, 0x0101FF12 }, { 2119, 0x0201FF12 }, { 2124,
Re: Code Read Protection Feature : Flash Security issue ?
2006-04-03 by unity0724
Hi, You might be right but the philips chip has sufficient code read protect mechanism build in. This is some old topic.. There had been some heated
Question for Philips_apps
2006-04-03 by dave_baker_100
Hi, I m using a LPC2214 & have connected the XCLK pin to a single input of another IC which needs to be sync d with the CPU. I m driving XCLK at 59MHz and I m
Re: [lpc2000] RTC day of week
2006-04-03 by Robert Bacs
Yes, the DOW counter it s only a modulo 7 counter, so you need to calculate this value prior writing to this register (same DOM and DOY). Regards, Boby ...
Re: Code Read Protection Feature : Flash Security issue ?
2006-04-03 by brendanmurphy37
All I can say to this, is oh, no, not again..... To the sender of the message below, I d recommend you do a search on CRP over the past few months: you ll
Re: [lpc2000] RTC day of week
2006-04-03 by Jim Parziale
Yes - you need to set it in software. The hardware does not do that calculation. -- Jim Parziale nuncio.bitis@gmail.com Malden, MA ... [Non-text portions of
RTC day of week
2006-04-03 by dave_albert
The RTC day-of-week (DOW) register does not appear to automatically reflect the correct day of the week based on a correctly set month, day-of-month, year in
Code Read Protection Feature : Flash Security issue ?
2006-04-03 by croquettegnu
Hi all, I would like to know what are the limitations of the CRP protection because this kind of protection is controlled by the onchip bootloader so by
Re: Anyone had a problem with port0.3 ?
2006-04-03 by sam_pr
Hello, I know it has the abilty of I2C but I have configured it to GPIO, in this case it is supposed to give real 1 or am I wrong. Sam ... ouput ... input
RE: [lpc2000] eclipse error
2006-04-03 by Ed Koffeman
Hi, Wade. Search your hard drive for all instances of that dll, and delete or rename all but the one in c: cygwin bin. I added an x to the name e.g.
Re: [lpc2000] Anyone had a problem with port0.3 ?
2006-04-03 by Robert Adsett
... Isn t that one of the IIC I/Os? See http://www.open-research.org.uk/ARMuC/LPC2100Tips.html Robert