Re: [lpc2000] Which GCC Toolchain & debugging & extmem
2005-04-18 by Bruce Paterson
... Make that stepping back in time a lot :) (Frankly this is worse than an F8 development system I ve used ages ago). I ve been using Insight recently on a
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Re: Debuging lpc2138 with GNU-arm-gdb
2005-04-17 by soren_t_hansen
... Will this help me getting the Program Counter (PC) to work right? It seems as if it gets stuck in the bootloader (sometimes around 0x00000240 and sometimes
Re: Debuging lpc2138 with GNU-arm-gdb
2005-04-17 by valdef78
... that s because you re in the Bootloader.. you had to program MEMMAP to 0x00000002. you should have a look at The Insider s Guide To The Philips ARM7-
Re: [lpc2000] borked serial port in LPC210x ???
2005-04-17 by 42Bastian Schick
Pawel ... 2 Stop bits are very uncommon, are you really sending 2 from the PC ? ... Did you enable the FIFO ? -- 42Bastian Schick
Re: [lpc2000] Data abort
2005-04-17 by 42Bastian Schick
jones3hsu ... To me the opcode looks strange. IIRC the base register should no appear in the register-list if update is enabled. The result is unpredictable.
Re: [lpc2000] Debuging lpc2138 with GNU-arm-gdb
2005-04-17 by 42Bastian Schick
... Check your linker-script if you do not set the vectors to zero. I thing gdb starts execution at zero, but you did not program the MEMMAP to map the
Re: [lpc2000] Which GCC Toolchain & debugging & extmem
2005-04-17 by 42Bastian Schick
... You have to initialize the chipselect and maybe the pll from the debugger before downloaing (and also program MEMAP to map the vectors from external RAM).
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-17 by 42Bastian Schick
... Which compiler do you use ? Sounds like gcc, so if you look up the gcc options you ll find -S (stop after generating assembly). So compile a simple void
Re: initializing I2C problem
2005-04-16 by neptunus1000
Hello, can you tell some more about the I2C reset, how this works. If it is possible that you can post you re code. I think some people on this group will
T.I. MSP430 FET compatible with ARM wiggler ???
2005-04-16 by To_chi_kin
Hi all, Firstly, my intention for rasing up this topic is to first check out the possibility to use one JTAG tool for both MSP430 and ARM debugging. And
Re: RealMonitor with LPC 2106
2005-04-16 by ian48harry
... me ... Srinivas: Your ability to use RealMonitor depends on the silicon (OK in this case), the compiler (does it generate the correct code) and the
Re: [lpc2000] flash unility for linux
2005-04-15 by Paul Stoffregen
... Also: http://www.pjrc.com/arm/lpc2k_pgm/
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-15 by Anton Erasmus
... The Motorola / Freescale peripherals are also extremely well thought out. Very flexible, but clear and easy to get the basics going. So far only one of
Re: Q: Global variables with C and ASM / pass argument from ASM to C function
2005-04-15 by Richard
This has been our experience with Keil, support from Germany is very good, support from their US staff has not been very helpful. Richard ... takes ... I ve
Re: [lpc2000] ARM7+4UART+FLAHS?
2005-04-15 by Anton Erasmus
... Not so, anyone can buy the MAC7111MPV40 now. Regards Anton Erasmus -- A J Erasmus
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Richard Duits
Keil has the option the generate a batch file for building your project. Make a copy of the file and add the right option to the compilers command line. Which
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Gennady Palitsky
... From: Robert Adsett To: Sent: Friday, April 15, 2005 1:21 PM Subject: Re: [lpc2000] Re:
Re: SSP: How to clear transmit FIFO
2005-04-15 by Ken Wada
say.... Have you tried this? If so, what happens? Does the UART lockup or something like that? It did not occur to me to try something like this. I suppose
Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Ken Wada
... Click Project-- Options for Target on the top MENU. Click the Listing Tab on the dialog that just popped-up Check C Compiler Listing Check Assembly
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Robert Adsett
... It s not usually the same thing, although I seem to vaguely recall a compiler that only had a single output that essentially combined both. And I have run
Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Richard
... Unfortunatly this sounds vary familiar to me.... :-| Richard ... as a ... compiler. ... the same
Re: SSP: How to clear transmit FIFO
2005-04-15 by lp2000c
My understanding is that this was Philips original plan. However, they they discovered a bug in the operation when the FIFO is disabled, so they just added
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Gennady Palitsky
... From: Robert Adsett To: Sent: Friday, April 15, 2005 11:24 AM Subject: Re: [lpc2000] Re:
Re: SSP: How to clear transmit FIFO
2005-04-15 by Ken Wada
The SPI does not have a FIFO. The SPI device is basically a shift register. There really is no need for an enable or clear on the SPI interface. Ken Wada
Re: [lpc2000] Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Robert Adsett
... Most compilers have a simple switch to generate assembly as the output rather than an object file (something like cc -S). That s all you need. Then you
Re: initializing I2C problem
2005-04-15 by jim_e_dallas
Some erroneous I2C data on the bus can cause this condition. If an I2C node sends a start condition with out a valid stop, then the I2C interface will think
Re: initializing I2C problem
2005-04-15 by semetex01
... board? ... connected ... still ... I2C ... a ... then ... next ... the ... oscilloscope ... oke. ... ... Roy, I had this problem (I2C
Re: Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by ateichtmann
Hi, ... I have no idea, how to create an asm template. These are the interesting and simple things that are never mentioned in a compiler documentation or book
Re: initializing I2C problem
2005-04-15 by ateichtmann
Hi, ... ...check what Status Code is in I2STAT (instead of 0x08), maybe this gives you a hint to find the problem. Description of i2c status byte can be found
Re: [lpc2000] Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Robert Adsett
... You could take the simple way out. Write a quick function in C as a template and compile it to asm to use as a template. If you are doing any significant
Re: [lpc2000] Which GCC Toolchain & debugging & extmem
2005-04-15 by Robert Adsett
... There is also WINARM ... You can debug in flash with the wiggler/GDB combination but it s like stepping back in time a bit. there are only two breakpoints
Re: initializing I2C problem
2005-04-15 by neptunus1000
Hello everybody, is there realy nobody how had ths problem before. Or is there realy nobody how now s a solution. Thanks Roy ... to ... schema ... working. ...
Re: [lpc2000] Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by Richard Duits
The ARM Procedure Call Standard says that the first four arguments are passed in R0 to R3. So if you put the ResultRAMCheck in R0 just before the call to the
Q: Global variables with C and ASM / pass argument from ASM to C function ?
2005-04-15 by ateichtmann
Hi, im using CrossWorks and LPC2106 and have the following question: I want to make a ram check before main (in the module crt0.s). Therefore, i have to pass
Re: [lpc2000] USB for LPC2xxx
2005-04-15 by k b shah (lascaux)
Atmel SAM7 series is good only if you do not need external memory bus. Also number of GPIO are limited. The part will not come close to LPC22XX series. Yes it
Which GCC Toolchain & debugging & extmem
2005-04-15 by deunhido
I just got an Olimex LPC-H2294 and have a few quesions. First, which is the best GCC toolchain to use on Windows. So far, I ve found: GNUARM: gcc-3.4.3,
Re: SSP: How to clear transmit FIFO
2005-04-15 by gerhard_unrecht
Thank you Ben, I m sorry, but it s about the SSP (SPI1) not the UART. I found no CLR or ENABLE-Bit ! Regard Gerhard Unrecht ... the ... the ... is ... other
RealMonitor with LPC 2106
2005-04-15 by mannem_sri
Hi, I am trying to use RealMonitor which is there in flash memory of LPC2106. I have called all RealMonitor related functions in my application program as per
RE: [lpc2000] USB for LPC2xxx
2005-04-15 by Tim Wade
Also conside the Atmel SAM7 version of the ARM -- very similar the the Philips one in a lot of respects and you can get them now in the smaller FLASH sizes...
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Jane Highland
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Robert Adsett
... While we re at it, how about a pseudo-DMA process to deal with the I/O? That would reduce/eliminate the need for FIFO s. Robert Freedom has no meaning
Re: [lpc2000] re: Flash Utility
2005-04-14 by Robert Adsett
... Take a look the Martin Maurer s LPC21ISP utility or the GTK based utility by Paul Stoffregen. They both work and I know the LPC21ISP utility is being
re: Flash Utility
2005-04-14 by Sami Kibria
Hello all. Hope everyone is good! ... I have a quick question, I am writing a flash utility for the LPC2124 and LPC2138 parts for Linux. I have gotten
Re: Debuging lpc2138 with GNU-arm-gdb
2005-04-14 by soren_t_hansen
After having worked some more with the problem, I susbect the problem to come from the startup.s file. The one I use, comes from an example for a LPC2129, and
Re: [lpc2000] Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by Bill Knight
Yep, I just checked some old docs on the 16550 and sure enough, THRE is only set when the FIFO is empty - DUMB. And yep, it sure doesn t appear TEMT can be
Re: Who thinks the PC Compatible UARTs on the LPC are nice ?
2005-04-14 by peterburdine
... Nope, that isn t the case. THRE is transmit holding register empty. There is the THRE register and then a 16 byte FIFO. So in my drivers, I just dump
Re: [lpc2000] USB for LPC2xxx
2005-04-14 by Marko Pavlin (home)
Check: http://www.irelectronic.si/ftp/Philips/PHILIPS_MCU_2005_03_v1.pdf page 6 and 7. Marko
Re: SSP: How to clear transmit FIFO
2005-04-14 by Ken Wada
I noticed the comment on proper UART operation also. I have used both the 16c550 and the 16c450 for many years. My recollection is that the FIFO enable bit
Re: [lpc2000] USB for LPC2xxx
2005-04-14 by k b shah (lascaux)
Yes, It is true except the new version comming out in near future does not have external memory interface ... The version equivalent to LPC229X with USB built
Re: SSP: How to clear transmit FIFO
2005-04-14 by lp2000c
Beware the fine print that FIFO enable bit must be set for proper operation of the UART!