Re: Jumping to ISP from user code
2005-05-07 by Thiadmer Riemersma (ITB CompuPhase)
Hello Rod Moffitt, ... Great! I have been developing most software right now on a developer board with an LPC2106, but the actual device we are designing is
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Re: Jumping to ISP from user code
2005-05-07 by Thiadmer Riemersma (ITB CompuPhase)
Hello Richard, ... Sorry, I forgot the www part. The full link is http://www.compuphase.com/lpc2100_isp.htm. I often omit the www on web addresses, because
Re: On KEILs Dhrystone benchmarks --again
2005-05-07 by Thiadmer Riemersma (ITB CompuPhase)
Hello berniespam , ... I have tried to choose my words carfully, to avoid accusing KEIL of anything. (Except that I do feel that KEIL should have provided an
Re: [lpc2000] Doubt regarding LPC
2005-05-07 by Jane Highland
Re: 3.5 logic to 5.0
2005-05-07 by javida13
Yes, I did mean VIH. I forgot to preview before I posted. I m interfacing to a Futaba LCD Emulator. Some of the inputs are spec ed at 0.8*Vcc and others are
Re: Re: [lpc2000] Doubt regarding LPC
2005-05-07 by balakumar chinuswamy
Thank you MIKE , i will check and implement this and let you know the result . regards Bala ... [Non-text portions of this message have been removed]
Re: [lpc2000] 3.5 logic to 5.0
2005-05-06 by Peter Jakacki
Vol ??? You do mean Vih, don t you? In my experience I ve never had a problem with driving 5V logic from 3.3V as the minimum Vih in is specified for full-speed
Re: [lpc2000] Re: IAR C and FIQ isr
2005-05-06 by Richard
... Keep in mind that I am one of those compiler writers. Regardless whether a compiler company can reasonably support certain extensions that some customers
New to ARM - Question on GNU Tool Chain and Keil ULINK JTAG
2005-05-06 by John Moore
I am new to ARM development with plans to use the Philips parts. I have several questions: 1) What is the best source on how to get a GNU tool chain up and
LPC2131 board for $29!!!
2005-05-06 by NMI Sales
Announcing the Tini2131(tm) for only $29!!! The Tini2131(tm) comes in the popular Tini pinout format and is based on the Philips ARM LPC2131. The LPC2131 has
Re: 3.5 logic to 5.0
2005-05-06 by lpc2100_fan
Philips has a good selection too ;-) http://www.standardics.philips.com/products/hc/all/ Cheers, Bob ... logic bible ...
Re: [lpc2000] Doubt regarding LPC
2005-05-06 by Michael Anburaj
Bala, ; for ADS or SDT Image2Addr EQU 0x10000000 ; Put the execution address of Image2 here // for GCC #define Image2Addr 0x10000000 // Put the execution
Re: Unable to read A/D while digital output
2005-05-06 by peterburdine
... I posted a message like this several weeks ago. Philips said the public was never supposed to see that it is possible, they would not comment on how to do
Re: Porting inline assembly gnu function to keil
2005-05-06 by peterburdine
... Sorry for the late response, I surgery and didn t check the group for a while. Here is the correct port. I relies on the fact the the compilier
Reg: WATCHDOG TIMER
2005-05-06 by rockraj_2003
Hello Friends, I am working in lpc2106. I didn t using any Watchdog timer. I want to know that does the watchdog timer will automatically restart ARM when it
Re: [lpc2000] 3.5 logic to 5.0
2005-05-06 by Robert Adsett
... Standard HCT logic. TI has a good selection. I still remember fondly the yellow TI logic bible
3.5 logic to 5.0
2005-05-06 by javida13
I have a 5 volt logical display that I m driving. The Vol for this part is 3.5 volts (.7*Vcc). I have 3-signals that must be driven to this logic level. Is
Re: [lpc2000] LPC2106 port driving problem (longer post)
2005-05-06 by Peter Jakacki
Hi Roger, I think you hinted at and disregarded what the problem is when you used IOPIN directly and the waveform was too analog . Philips haven t figured out
Re: [lpc2000] Re: IAR C and FIQ isr
2005-05-06 by Robert Adsett
... Well put. In the end compiler writers have limited resources to develop and test. If I have a choice about where I want them to put their efforts it s in
STE2002 LCD controler
2005-05-06 by gerrit_faas
Hi all, I have a LCD(128x64) & STE2002 controler on my desk. Is there someone that has some code / driver for this controler. Is this controlere a replacement
Doubt regarding LPC
2005-05-06 by balakumar chinuswamy
I have two Images of firmware in my controllers flash. Initially i will boot the image_1 which will be at the default reset location. In the middile of the
MPLAB C30 and CMX scheduler using MPLAB IDE
2005-05-06 by jay marante
i had a hard time doing my first program using this softwares. i always get this error message when i compile my project (check the error plese... in bold
Re: IAR C and FIQ isr
2005-05-06 by embeddedjanitor
... overhead. ... assembler. I ve ... code ... That might seem sad and cynical, but I think it is true. THose compilers that generate ISR wrappers with prgmas
Re: [lpc2000] IAR C and FIQ isr
2005-05-06 by Robert Adsett
... Maybe I ve just worked with too many compilers, but experience leads me to distrust them more the further they get from the core language. I m wary of any
Re: External Reset vs Power Up
2005-05-05 by lpc2100_fan
Michael, I did mean P0.31 not P1.31. P0.31 is an output only pin but according to the information that I got, it gets sampled at reset and can generate weird
Re: [lpc2000] IAR C and FIQ isr
2005-05-05 by Richard
... That s kind of sad statement to make. // richard (This email is for mailing lists. To reach me directly, please use richard at imagecraft.com)
Capture pin issues.
2005-05-05 by jase_ko
Okay this is the code that I m trying: void CapturePin() __attribute__ ((interrupt)); void CapturePin() { unsigned long temp = T0CR2; SerialSendString( Hi );
Re: On KEILs Dhrystone benchmarks --again
2005-05-05 by berniespam
I do not think Keil was trying to be insidious with their comparison of their tools with other ARM compilers. If so, then Keil would be #1 in all reported
Re: [lpc2000] Re: External Reset vs Power Up
2005-05-05 by k b shah (lascaux)
Gentleman, I am sharing my experience with J-Link, I hope it might help you to understand behaviour. I had an issue with interrupts. My firmware works
Re: External Reset vs Power Up
2005-05-05 by michael_rubinstein_sar
Hi Bob, thanks for the help. I ll bet you meant 1.31 ( TRST). This signal is not connected on our board. However, it is driven high by the JTAG gizmo
Re: [lpc2000] Support
2005-05-05 by Robert Adsett
... You would probably be better off addressing this question to Philips. Better yet read their marketing brochures. I don t think any ARM7 vendors are using
Re: [lpc2000] IAR C and FIQ isr
2005-05-05 by Robert Adsett
... Never trust the compiler for this sort of work. Do it in assembler. I ve run into too many compilers with either poor or outright broken code generation
Re: [lpc2000] Capture pin interrupt issues
2005-05-05 by Robert Adsett
At 05:40 AM 5/5/05 +0000, jase_ko wrote: ... I think there are some interrupt examples with VIC setup in the files area. I know there are a set of
Capture pin interrupts, part 2
2005-05-05 by jase_ko
Hi guys, I have a pin (P0.16) set up as a capture pin CAP0.2 to copy timer0 TC value into CR2 every time I detect a rising edge. This is done using PINSEL1 |=
Support
2005-05-05 by Amir Sherman
Hello Could you please specify the technology that you are using to manufacture the ARM devices? I am especially interested in those who are manufactured using
AD0CR
2005-05-05 by Ali Pouladi
Hi all In the LPC2138 datasheet page 199 where it explains the AD0CR register, bit 20 is missing from the table. Does anyone know what that bit represents? If
IAR C and FIQ isr
2005-05-05 by andy_moz
Hello. I use IAR C for ARM V4.20a, and I try write FIQ as: __fiq __arm void my_fiq (void) When I open listing, I see this prologue code: 00000000 04E04EE2 SUB
Re: On KEILs Dhrystone benchmarks --again
2005-05-05 by roger_lynx
Hello everybody, I applaud the critical reasoning and writing style used in the preparation of the paper referenced below. There are two issues, that I d like
Capture pin interrupt issues
2005-05-05 by jase_ko
Hi guys, I have a pin (P0.16) set up as a capture pin CAP0.2 to copy timer0 TC value into CR2 every time I detect a rising edge. This is done using PINSEL1 |=
Re: On KEILs Dhrystone benchmarks --again
2005-05-05 by Richard
Yes, I hope that Keil responds as well. If for no other reason than to admit to failing to turn on the MAM or to provide other reasons for these
Re: [lpc2000] Timer Interrupt problem in LPC2106
2005-05-05 by Michael Anburaj
Raj, Attached is a working code from ARM_UCOS port for LPC210x. The main difference is that this does not use the VIC, instead software distribution from the
Re: [lpc2000] On KEILs Dhrystone benchmarks --again
2005-05-05 by Leon Heller
... From: Rod Moffitt To: Sent: Thursday, May 05, 2005 3:25 AM Subject: Re: [lpc2000] On KEILs Dhrystone
Re: [lpc2000] Jumping to ISP from user code
2005-05-05 by Rod Moffitt
Once again thanks Thiadmer for a great page. On a side note, the more recent devices (like the LPC213X) have a new IAP command to enter the ISP manually, so
Re: [lpc2000] On KEILs Dhrystone benchmarks --again
2005-05-05 by Rod Moffitt
Great work Thiadmer! I personally ignore benchmarks because most of the time the results are skewed one way or another, and rarely are the test parameters and
Re: Jumping to ISP from user code
2005-05-04 by Richard
Bob, The link was dead, works now. Richard
Re: Jumping to ISP from user code
2005-05-04 by lpc2100_fan
Richard, can you be (a little) more specific with your NACK Bob
Re: External Reset vs Power Up
2005-05-04 by lpc2100_fan
Hello Michael, one possible reason although this might not seem related. If you have an external signal on pin 0.31 that would drive this pin low during reset
External Reset vs Power Up
2005-05-04 by michael_rubinstein_sar
I m debugging a new 2138 based design. If the board is powered up, eveything works as expected. However, if an external reset ( RESET) is then applied,
Re: Jumping to ISP from user code
2005-05-04 by Richard
http://compuphase.com/lpc2100_isp.htm NACK Richard
Jumping to ISP from user code
2005-05-04 by ukkie9a
Hello everyone, I have modified the code in the Philips application note AN10356 for the purpose of building a simple solution to in-field firmware updating