Re: [lpc2000] Interrupt Handling
2004-11-07 by microbit
What toolchain are you using ? Depending on toolchain, I could send you the modfied startup file directly.. ... From: Robert Wood
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Interrupt Handline
2004-11-07 by Robert Wood
Hi folks, I m struggling to understand how to handle interrupts for the 2294. I can see that when I get an interrupt, the processor jumps off to the following
Re: [lpc2000] Interrupt Handline
2004-11-07 by microbit
Hi Robert, I went through the same wondering . I noticed that the VICVectAddr gets reset after the vector to weak irq_handler. I just copped out and replaced
Re: [lpc2000] ARM / GCC newbie
2004-11-07 by Anton Erasmus
... [Stuff snipped] Since you are already familiar with the AVR, I would recommend that you first get avr-gcc going. There are more, and more detailed beginner
Re: [lpc2000] Re: Ethernet controller for LPC2106
2004-11-06 by Micron Engineering
... It is better to use an LPC2214 or LPC2294 having the external bus but in the past I made micro web server using a PIC 18F258 interfaced via i/o pins to a
RE: [lpc2000] Re: Ethernet controller for LPC2106
2004-11-06 by Joe Hlebasko
Tsvetan, Check out the errata sheet for the MCP2515. The defect that caught our attension was the one where can not use transmit object 2 or 3 with out
Re: [lpc2000] lpc2129 Stack pointer problem
2004-11-05 by Robert Adsett
... Great, thanks for letting us know. Robert Freedom has no meaning of itself. There are always restrictions, be they legal, genetic, or physical. If
Re: [lpc2000] lpc2129 Stack pointer problem
2004-11-05 by dasbento@aeiou.pt
Hi Robert, Finally, this works!!! You had right!!! Thank you very much.... Best Regards Domingos Bento
Re: [lpc2000] Questions about librarys
2004-11-05 by Robert Adsett
... Define best. It depends on what you are doing. I believe it is a general purpose allocator and so subject to all the usual concerns. Personally for an
Questions about librarys
2004-11-05 by ricardooliveirasouza
I m a beginner in LPC2000 and I m developing a program for lpc2210. I have these questions: 1) Is newlib the best library option for memory allocation usage?
Re: [lpc2000] baud rate calculation for lpc210x
2004-11-05 by Robert Adsett
... Well it will depend on the pll and vpb settings as well as the crystal speed. Basically divisor = vpbrate/(baud *16); U0DLM = high 8 bits of divisor U0DLL
Re: [lpc2000] baud rate calculation for lpc210x
2004-11-05 by shridhar joshi
hi here is the uart baud rate calculation Baudrate=(ProcessorClock)/(16*BaudDivider Reg) if you are using 14.7456MHz crystal and not using Internal PLL of the
Re: [lpc2000] lpc2129 Stack pointer problem
2004-11-05 by Robert Adsett
... Ah Ha! Definitely an important indication. ... Compare to the assembly support from the newlib-lpc interrupt support /****************************
baud rate calculation for lpc210x
2004-11-05 by aravindar_manikandan
hi, i am using 14.746Mhz crystal for lpc210x.i want to find baudrate setting for this crytal frequency.anybody explain with the formula rgds, mani
lpc2129 Stack pointer problem
2004-11-05 by dasbento@aeiou.pt
hello, I have a problem the interrupt only work for 16 interrupts, and at 16 it crash!! if I change the __STACK_SIZE_IRQ__ = 0x100; to __STACK_SIZE_IRQ__ =
Re: IAP lock up issue!
2004-11-05 by Gus
I am using LPC2114. This is a srious issue to us! I can t express how upset I am now. Gus ... the ... because ... chips I
Re: IAP lock up issue!
2004-11-05 by Gus
I just found the answer in the errata sheet! That is BAD. Going through hundreds of chips and reprograming them is not fun! ... the ... because ... I
Re: IAP lock up issue!
2004-11-05 by haack0815
Hi Gus, what chip you are using? What version of bootloader? Andreas
IAP lock up issue!
2004-11-05 by Gus
Hello, I am using IAP to reprogram the LPC chips. On some chips, I call the IAP but the IAP never returns! I assume that my code is fine because it has been
I'm a new member
2004-11-05 by Massimo Orazi
Hi, i m new on this group. This is a test mail. Best Regard to any member and thanks to moderator. Bye ... Nuovo Yahoo! Messenger E molto più divertente:
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-05 by Robert Adsett
... You re welcome. ... Sometimes you get the interrupt and sometimes you don t, correct? This leads me back to interrupt entry and exit. If those were
Re: [lpc2000] Re: UART ISR
2004-11-05 by Robert Adsett
... May not be your problem, but you are enabling all the serial interrupts but only really servicing one of them (and only clearing two of the three sources).
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-05 by dasbento@aeiou.pt
Hello Robert, Thanks for you dedication in my problem!!! What wanted saying is that the program doesn t work well!! What seems happen is the program to do for
Re: [lpc2000] OS X Flash Programming of LPC-2106?
2004-11-05 by Alex Holden
... Yes, the latest version of lpc21isp should work: http://www.engelschall.com/~martin/lpc21xx/isp/ You ll need a USB serial dongle and you ll have to figure
OS X Flash Programming of LPC-2106?
2004-11-05 by Brian Short
I am new to this, so please be patient. I have downloaded the GCC files, but I am trying to see ho to download files to the hardware (Tini-ARM). Is there a
Re: help for read PWM
2004-11-05 by g2100g
If you have spare i/o pins, you can tie the capture signal to another pin for reading. ... type ... your mark ... counter. ... your space ... CR1 ... only
Re: ISP return code 215
2004-11-04 by g2100g
Do you have the latest bootloader software loadsed on the chip, as described in the errata sheet?
JTAG Debugger Problem
2004-11-04 by Joe
New user question, just trying to get started with the LPC2129 ARM7. I just ordered and received 2 Olimex LPC-H2129 boards and an ARM-JTAG Debugger. I
Re: AtoD pins
2004-11-04 by g2100g
I did not look at your problem in detail, but there are some published errata relating to AtoD channel scanning. Did you check that these are not the cause of
Re: UART ISR
2004-11-04 by peterburdine
... I also noticed something else. The last character that was sent was being corrupted. If I removed the interrupt code that would not happen. I noticed
Re: UART ISR
2004-11-04 by peterburdine
... Full Startup code (provided by Keil). I did add more ram for supervisor and irq stack mode incase that was the problem (XXX_Stack_Size):
Re: [lpc2000] UART ISR
2004-11-04 by Robert Adsett
... Something sets up the IRQ stack? It would also be useful to verify your IRQ dispatch code. Robert Freedom has no meaning of itself. There are always
UART ISR
2004-11-04 by peterburdine
I know I ve asked this question many many times, but I still can t figure out what is wrong. I ve tried some of the code on the forums, and that seemed to
Re: [lpc2000] Philips LPC flash utility problems
2004-11-04 by Charles Manning
... I have problems with the Philips programmer with some hardware/PC combinations but have no problems with lpc21isp under both Linux and Windows. What
Re: [lpc2000] Philips LPC flash utility problems
2004-11-04 by Robert Adsett
... Well Pauls has already jumped in with a pointer to his Linux GUI download program. The other one I m aware of is Martin s lpc21isp.
Re: [lpc2000] Re: Philips ISP doesn't work with LPC2214?
2004-11-04 by Paul Maddox (Mail LIsts)
Hi, ... Where from? I ve only got 2.1.0! Paul
Re: [lpc2000] Philips LPC flash utility problems
2004-11-04 by Paul Maddox (Mail LIsts)
Paul, ... No, I ve got OSX, but no drivers for my usb to serial thingy for OSX (or linux). ... I ve tried two different USB- serial converters.. ... I ll see
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by Robert Adsett
... I ve only done a quick scan but I see an immediate potential trouble spot. You have no actual interrupt function. You placed a macro of inline assembly at
Re: [lpc2000] Philips LPC flash utility problems
2004-11-04 by Paul Maddox (Mail LIsts)
Robert, ... No, a good point. Any you can recommend? Paul
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by Robert Adsett
... In that case definitely comment out the INPUT line. There is no sense attempting to link to a library you are not using. ... What do you mean by can t
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by dasbento@aeiou.pt
I m not using any libnewlib-lpc.a. A long time I can t work with the interruptions to move forward with my project. Will be possible to see the code that is in
Re: Compact flash LPC22xx
2004-11-04 by Gus
You don t need buffers......here is a schematic on this page http://www.ghielectronics.com/ALFAT%20DEV.htm Gus
Re: correction(Re: [lpc2000] which boot.s correct for lpc2129)
2004-11-04 by Robert Adsett
... Where did you place libnewlib-lpc.a? It has to be on your library search path. In any case it s not an issue with the startup code. Robert Freedom
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by Robert Adsett
... It shouldn t have too much to do with the interrupts themselves. It might cause other issues if you have libraries on your command line though. What that
correction(Re: [lpc2000] which boot.s correct for lpc2129)
2004-11-04 by dasbento@aeiou.pt
Hello, I m using GCC 3.4.1 in linux. I used de crt0.s and lpc2119.ld of the newlib_lpc but when compiling doesn t find lnewlib-lpc. This line is in the file
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by dasbento@aeiou.pt
Hello, I m using GCC 4.4.1 in linux. I used de crt0.s and lpc2119.ld of the newlib_lpc but when compiling doesn t find lnewlib-lpc. This line is in the file
Re: [lpc2000] which boot.s correct for lpc2129
2004-11-04 by Robert Adsett
... Well, I know the one in the newlib_lpc support will support interrupts (although not IAP). ( http://www.aeolusdevelopment.com ) Robert Freedom has no
which boot.s correct for lpc2129
2004-11-04 by dasbento@aeiou.pt
Hello, Somebody can say which boot.s or start.s to use for LPC2129 since I have problems in putting the interruptions to work. But I don t know if it is for
Re: [lpc2000] ARM / GCC newbie
2004-11-04 by Alex Holden
... Yes, Embedded System Design on a Shoestring by Lewin Edwards is pretty good. It goes into detail on writing LD scripts. -- ... If it doesn t work, you re
Re: Ashling EVBA 2194 and Multi-ICE
2004-11-04 by theeuwke
ok, changed some settings, same stuff like the Wiggler:Notification from the target: Target power detected on VREF Auto JTAG detection process detected 1 TAP