Re: [lpc2000] Interrupt pending but not raised
2005-12-07 by 3gpabko
On the first thought you have problems in your ISR s. Perhaps you are not correctly handle and acknowledge IRQ s. Be sure that before exiting the ISR you are
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Re: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-07 by Tom Walsh
... I dragged out my old wiggler clone and tried the gdb-jtag-arm working. It does connect to the ARM7TDMI cpu and identifies it as an ARM7TMDI. But the
Re: [lpc2000] help needed with serial comm
2005-12-07 by Sten
... Mmmmmh... First reset your modem (e.g. atz or at&f ), change some configuration registers in your modem with the apropriated AT commands, then call
help needed with serial comm
2005-12-07 by bhimanipankaj
Dear ARMyyyyyyyyyyyyyyyyiiiiiiiiieeeeeeeeeessssss I am here with very newbies question, but tuff one for me atleast. I am interfacing an GSM modem with Serial
OT: PPP implementation for uIP
2005-12-07 by Joel Winarske
Ok so I ported uIP to IAR on LPC2148, and am talking to XP via SLIP. I now need to implement PPP. The closest I ve seen that might be suitable is the PPP
Re: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-07 by Bertrik Sikken
... Hash: SHA1 ... I am trying to debug from Windows (with cygwin). I also tried the gdb-arm-jtag package you mentioned earlier. I replaced the pp.c file with
RE: [lpc2000] Programmable Oscillators
2005-12-07 by Michael Rubitschka
Hi Doug I really like these LTC parts. I allready used them in a Frequency Generator project. As a clock source they are over qualified but it will work.
Re: [lpc2000] Problem with watchdog
2005-12-07 by Ake Hedman, eurosource
... Hej Dan, yes I feed the dog. I have also just tried to write a loop where I do nothing else then feeding the watchdog but I m still seem to have the
Re: [lpc2000] Problem with watchdog
2005-12-07 by Ake Hedman, eurosource
... Thanks Tom, Yes its defined as #define WDFEED (*((volatile unsigned char *) 0xE0000008)) forgetting volatile have bite me so many times during the
Re: [lpc2000] Problem with watchdog
2005-12-07 by Ake Hedman, eurosource
Ooops..! Thanks a lot. wishful thinking from my part I guess. ;-) I m back on square one then. hmmm... I really need to solve this. I have done a small
content of some SFRs
2005-12-07 by tastingfan tastingfan
Hi, I am using ADS1.2 and AXD to debug the LPC2131. How can I watch the content of some SFRs, like SPCR, SPSR, SPDR and SPCCR of SPI? Must I do it by looking
help needed with serial comm
2005-12-07 by bhimanipankaj
Dear ARMiiesssssssss.... I am here with very newbies question, but tuff one for me atleast. I am interfacing an GSM modem with Serial port of lpc2214, now my
RE: [lpc2000] Problem with watchdog
2005-12-07 by Dan Beadle
Are you tickling the watchdog? Once enabled, you must reset the timer regularly - to tell the WDT that life is good. Otherwise it will bite you by
drive FRAMs of Ramtron
2005-12-07 by tastingfan tastingfan
Hi, Does anyone here drive FRAMs of Ramtron? My idea is descreibed as following: One byte (0xb0) is written into FRAM with the function
RE: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-07 by Bruce Paterson
... I was able to run at full speed 0 with the Chameleon Pod pretending to be a Macraigor Raven (sexier wiggler)....until I moved to a faster PC where I had to
Re: [lpc2000] Problem with watchdog
2005-12-06 by Tom Walsh
... Ah! Didn t notice that, you are correct. Reading ARM asm still makes my head hurt! TomW ... -- Tom Walsh - WN3L - Embedded Systems Consultant
Re: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-06 by Tom Walsh
... Are you debugging from Windows or Linux with the wiggler? TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,
Re: [lpc2000] link q's
2005-12-06 by Tom Walsh
... The GNU linker does not do circular resolution of symbols, for example, symbol foo is in libbar.a , when linking in with the libjunk.a archive, this
Re: [lpc2000] Problem with watchdog
2005-12-06 by Tom Walsh
... do you have WDFEED declared as volatile ? This tells gcc not to optimize out accesses to that memory, that the memory location may change between
Re: [lpc2000] Problem with watchdog
2005-12-06 by Bill Knight
Actually it is writing 0xAA then 0x55. The second line of the disassembly is mvn (move negative). It loads the inverted value of 85=0x55 (0xFFFFFFAA) into
Re: JTAG Programmer Confusion - Noob Question
2005-12-06 by ntfreak2000
... This ... that. ... memory. ... commands ... setting ... 2.14 ... severely ... applications ... much ... as ... the ... Where ... It is a ocdremote command,
Re: [lpc2000] Problem with watchdog
2005-12-06 by Ake Hedman, eurosource
I have found part of this problem. The GNU compiler translates WDFEED = 0xAA; WDFEED = 0x55; to 710 04c4 8E22A0E3 mov r2, #-536870904 711 04c8
Re: [lpc2000] Digest Number 856
2005-12-06 by Mauricio Scaff
Well, The only components that i have connected besides the processor are the reset circuitry (1 cap, 1 diode and 1 resistor), the RS232 driver (MAX3238), the
Re: JTAG Programmer Confusion - Noob Question
2005-12-06 by lynchzilla
... that ... does ... no ... (140 ... Windows ... I m ... Thanks, Sjo. Is that an OCDRemote command, GDB command or Insight command? Where is it documented? It
RE: [lpc2000] Digest Number 856
2005-12-06 by Steve Franks
... If there is a path (impedance) from your pulled-up pins to ground, that can suck power out the pullups - I ve done it before. Look very closely at the
Re: [lpc2000] Re: program starting problem
2005-12-06 by Mauricio Scaff
Apears to be a reset problem or your start.s is not initializing properly the stack pointer. ... [Non-text portions of this message have been removed]
Re: JTAG Programmer Confusion - Noob Question
2005-12-06 by ntfreak2000
... compiler ... Eclipse ... Z0,addr,length ... FLASH ... completely ... like ... ssentially bit- ... an ... You mention a utility RSPBreakout.exe that
Re: program starting problem
2005-12-06 by arm_beta_tester
The reset pin of the microcontroller is connected by 10k to VCC and also to GND in series with 100n capacitor.
Re: [lpc2000] Re: Still need help...
2005-12-06 by Mauricio Scaff
No, they are all pulled up or are outputs (outputting 0 in port0 and 1 in port1). ... [Non-text portions of this message have been removed]
Re: [lpc2000] Re: program starting problem
2005-12-06 by mfrazier@governors-america.com
Have you looked at the reset circuit?? [Non-text portions of this message have been removed]
Re: program starting problem
2005-12-06 by arm_beta_tester
The download option is turned on (Project- Options- Debugger/Download- Use flash loader(s)) The flash memory is downloaded properly. As I mentioned sometimes
Re: [lpc2000] program starting problem
2005-12-06 by mfrazier@governors-america.com
Have you checked the reset circuit...in debug mode the jtag handles the reset...this could be why it s acting this way. Good Luck, The Wizard [Non-text
Re: Still need help...
2005-12-06 by octofroggy
... mode ? ... best I ... Do you have any floating IO pins...?
Still need help...
2005-12-06 by mauricioscaff
Does anybody have some experience with LPC21xx devices in powerdown mode ? Thanks Hi, I m trying to put a LPC2146 in a deep power down mode, but, the best I
Re: [lpc2000] program starting problem
2005-12-06 by Mike Nelson
Hubert: Have you configured IAR EWARM to program the flash? See Project, Options, Debugger, Download. Regards: Mike Nelson ...
program starting problem
2005-12-06 by arm_beta_tester
Hello, I ve written a simple program for ARM LPC2138 to flash on and off LED. I use IAR EWARM software. When the code is debbuged everything is ok. But when I
Re: Programmable Oscillators
2005-12-06 by octofroggy
... From Linear product summary: Jitter
Re: Programmable Oscillators
2005-12-06 by octofroggy
I would check the specs for the PLL on the micro and compare to the jitter specs on the oscillator. Potentially the PLL on the micro could loose lock due to
Re: [lpc2000] Problem with watchdog
2005-12-06 by Ake Hedman, eurosource
... Jim, yes my defines are the same and yes I have tested with other values for the watchdog period. According to the manual the watchdog timer should start
Programmable Oscillators
2005-12-06 by Doug Sutherland
I wonder if anyone can offer opinions on these programmable oscillators. The LTC6903 and LTC6904 are oscillators programmable from 1kHz - 68Mhz. One is
Interrupt pending but not raised
2005-12-06 by andersryl
Hi, I have a very peculiar problem regarding interrupts on my Olimex E2214 board (using gcc and gld with Eclipse). I m trying to get my board to communicate
Re: [lpc2000] Problem with watchdog
2005-12-06 by Jim Parziale
Assuming you have the correct definitions for your symbols, the only thing I can think of is setting the timeout to the largest integer like that. Maybe you
Problem with watchdog
2005-12-06 by Ake Hedman, eurosource
Hi all. I am trying to enable the watchdog but the result is a total hang of the board. Not even the bootloader is possible to reach after the crash and I have
LPC orcad library
2005-12-06 by ualbe
Hi, Does someone have an orcad library for LPC2000 series (in particular LPC2129 and LPC2194)? Thanks a lot. Alberto
Re: [lpc2000] re: LPC2104 has bad boot sector code?
2005-12-06 by Richard Duits
Hi, The only way to restore the bootsector would be to load the bootrom update program into ram with a jtag probe and run it. I never updated or restored a
Re: [lpc2000] link q's
2005-12-06 by Robert Adsett
I hope this gets through, I ve not been having much luck recently. ... OK, I would expect that was likely to work. A question. Where is your newlib-lpc
re: LPC2104 has bad boot sector code?
2005-12-06 by Jayasooriah
Hello, Does anyone know how to restore the boot sector on a LPC2104 with bad boot sector? I have two boards which will respond with Synchronized when I
Re: [lpc2000] Re: JTAG Programmer Confusion - Noob Question
2005-12-05 by Bertrik Sikken
... Thanks for the correction, the HBR command works fine. ... Ah nice, thanks for the tip. I tried this in gdb console and indeed it works (have not been able
Re: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-05 by Bertrik Sikken
... The weird thing is, getting ocdremote to recognise the cable is the hard part, once that works it seems to run fine. The trick I mentioned is to first tell
link q's
2005-12-05 by Steve Franks
Hi all, fyi: I m using WinARM, not a home-built distribution. I think WinARM s fantastic, btw. So, I m getting the following errors that I can t get rid of: