Re: IAP problems (LPC2131)
2006-04-20 by adelacruz01
Hi Tom, Thanks for the reply. The top of stack address was actually set for the highest value of RAM (0x40001FFF for 2131, 8K max). I ve gone ahead and
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Re: I2C on LPC2148
2006-04-20 by Sutton Mehaffey
Richard, Thanks for your reply. I am not using an interrupt, but am keying on the I2C0STAT register, and branching into my state code whenever a valid status
Re: I2C on LPC2148
2006-04-20 by rtstofer
... That s why I2C code is usually in the form of an interrupt drive state machine. philips_aps has posted sample code for the LPC214x but the ideas are common
Re: [lpc2000] ISP Problems
2006-04-20 by ws kendall
Sounds similar to a problem I had. Philips assigned RTS and DTR to the wrong pins in figure 2 of ap note 10302. If you RTS and DTR to their correct pins then
Re: [lpc2000] ISP Problems
2006-04-20 by Leon Heller
... From: To: Sent: Thursday, April 20, 2006 8:09 PM Subject: [lpc2000] ISP Problems ... You don t need the
RE: [lpc2000] ISP Problems
2006-04-20 by Mark Crow
P0.14 must be held low when RESET is pulled low then high for the bootloader to come alive and recognize your ? . ... From: lpc2000@yahoogroups.com
Re: ISP Problems
2006-04-20 by charlesgrenz
Hi John, First, no inverter is needed. Next, Hold both buttons down, then release the reset while still holding the P0.14 line. regards, Charles ... Utility
ISP Problems
2006-04-20 by jstamos111@yahoo.com
Hey All, I m having trouble getting the ISP to work with the Philips Flash Utility for a board I made that uses the LPC2106 processor. I ve also tried using
I2C on LPC2148
2006-04-20 by Sutton Mehaffey
I m back on my I2C problems since I was pulled off the project for a month or so. I m still having some problems. The problem I thought was I was trying to
Re: [lpc2000] LPC boards in India
2006-04-20 by sudip nag
Hi Mukund, LPCs are available from Digikey or from their resellers in Pune (www.icsemiconductors.com). They charges more, but availablility in low quantity is
RE: [lpc2000] Ext RAM
2006-04-20 by Woolsey Matt
Works for me on a LPC2212. I boot from internal flash and have external flash at address 0x80000000. Make sure you have BCFG0 register set up. MX
Re: Keil RAM function problem
2006-04-20 by Ken Wada
Try putting double quoutes around ERAM... as follows: AREA ?PR?RAMFunc, ERAM This should work. By the way...why don t you use the __ram directive, (and code
IAR Virtual Com
2006-04-20 by ebreuilly
Has anybody succeed with LPC2148 virtual com port example with IAR toolchain ? Whatever I did I couldn t make it running ... Is there CDC Class USB example
Ext RAM
2006-04-20 by dearg_dave
Hi All, I am using a LPC2292 and external RAM. I have BOOT[0:1] tied high to enable the internal flash. I cannot seem to get CS0 to assert when accessing
Re: system and user modes
2006-04-20 by jayasooriah
... making calls ... system mode ... Thanks Bastian for pointing out Robert s questions I missed in my most recent response. My understanding of Robert s
Re: Embedded Artists exceptions in framework
2006-04-20 by brendanmurphy37
Hi, Before anyone points it out, the buffer in the example below isn t big enough. Note that for clarity other code has been removed from the original that
Re: Embedded Artists exceptions in framework
2006-04-20 by brendanmurphy37
Data abort exceptions are caused by a signal from the memory system (i.e. are specific to the ARM implementation). On the LPC2148, see section 2.3 Prefetch
Keil RAM function problem
2006-04-20 by beastkiki
Hi all, I use Keil uVision 3 with LPC2212. I must write one function in assembler and execute it from internal RAM on LPC2212. How can I do that? I am trying:
Embedded Artists exceptions in framework
2006-04-20 by frodri123123
I have some code which is causing a dabort exception. I am using an Embedded Artists board (with lpc 2148) with the gnu debugging environment. I am trying
ucos-ii
2006-04-20 by jk jlkj
Hi Friends, I am presently trying to port the ucos-ii code to LPC2214. I want to make it work and use it in a project if possible. The present port at the
Re: system and user modes
2006-04-20 by jayasooriah
... If I ... Although I do not know what you mean by application I do not disagree with the above. ... What you mean by single application system is
Re: [lpc2000] Re: system and user modes
2006-04-20 by 42Bastian Schick
Robert Adsett schrieb: ... Even if there is no MMU/MPU which restricts access to memory, one vital resource can be restricted: Interrupts. In USR mode, you
RE: [lpc2000] Re: IAR and code size indication
2006-04-20 by Pandurang Shinde
hi, thank you very much.It works fine for me. Regards, Pandurang S ________________________________ From: lpc2000@yahoogroups.com on behalf of theothervmax
Re: IAR and code size indication
2006-04-20 by theothervmax
... Hi, From the main menu select Tools- Options- Messages, set Show Build Messages to All . BTW, I use version 4.30A Regards, Max
IAR and code size indication
2006-04-20 by topandurangs
Hi all, I am using LPC2138 with IAR compiler.Is there any setting in IAR by which i can observe code size in message window ,during compile time,so that i can
Re: [lpc2000] - soft serial port ???
2006-04-20 by Arie Finkelstein
Hi Leon, I have here both the olimex LPC2148 and the Embedded Artists LPC2148 USB quick start board. The later costs 49 Euros and it s a very good quality 4
Re: [lpc2000] USB CDC standard inf file
2006-04-20 by Marko Pavlin
Thank you! What USB stack do you use? I checked keil USB demos and it looks very nice. Unfortunately they implemented mass storage, audio and HID class so
Coding for LPC
2006-04-20 by jk jlkj
Hi Robert Adsett, I just happened to see ur website and I was really inquisitive to know how do u manage to do all of the coding and upload it to the net, I
Re: [lpc2000] Re: system and user modes
2006-04-20 by Robert Adsett
... Where on earth did you get the idea I thought otherwise? Yet again, this has nothing to do with system/user mode. It just describes a well designed
Re: [lpc2000] DM9000 interface
2006-04-20 by sig5534@hotmail.com
I have a project about to start with LPC2214 and DM9000E for Enet interface, but I have external memory. What CPU are you using? Are you trying to get the
Re: ADC and DAC
2006-04-20 by ian.scanlon
... Must agree with Peter on the lack of detail (perhaps effort) in the request. What is the period of the licking sound? is there any audio? If no audio then
Re: [lpc2000] ADC and DAC
2006-04-20 by Peter Jakacki
... I got a big laugh out of lick tic tic tic . Tell us what you would like us to do?. Perhaps we could change it to tic tic tic lick or lick sip suck
Re: ADC and DAC
2006-04-20 by rtstofer
... How did you pace the output? If you took a sample every 200 uS then you need to send that sample out every 200 uS. Richard
ADC and DAC
2006-04-20 by sherifkamelzaki
hi i am using LPC2138 and my application is related to voice something like storing the voice for 4 s then playing it back i test the adc and Dac after each
Re: system and user modes
2006-04-20 by jayasooriah
Robert, I think you are mixing privilege with protection. I refer to privilege as a policy without reference to mechanisms to enforce this policy. Whether or
Re: [lpc2000] Re: system and user modes
2006-04-19 by Robert Adsett
... In those systems the privilege levels are supported by HW which restricts access. Sometimes as simple as a MMU but often with restrictions on I/O access
Re: compare lpc2000 and at91sam7x
2006-04-19 by jayasooriah
... I suspect asking for SAM info on LPC forum is an open invitation for emotional outbursts. Having said this, I too would interested in looking at
Re: Another problem with flash utility v2.2.3
2006-04-19 by fordp2002
... This is not a bug but a feature. 2.2.3 automatically senses the device. I use 2.2.3 all the time and it works pretty well.
SV: [ZS3] [lpc2000] Another problem with flash utility v2.2.3
2006-04-19 by Kell Jørgensen
Hi, ... Click the Read Device ID button and it will show up. ... The device type is stored in the registry. Ver. 2.2.3 will probably read it there if the
Re: [lpc2000] compare lpc2000 and at91sam7x
2006-04-19 by Robert Adsett
... Define better. Robert
compare lpc2000 and at91sam7x
2006-04-19 by naderus2000
i m new in arm can some one tell me which ic is better lpc2000 or at91sam7x & why?(speed ,price ,app,DMA ,pin clock,periperal ,.....) thanks alot
Re: [lpc2000] USB CDC standard inf file
2006-04-19 by Bertrik Sikken
... I m also working on a USB CDC class driver for the LPC214x. ... Not as far as I know. ... In my experience, windows just assigns the next available com
Another problem with flash utility v2.2.3
2006-04-19 by mahbub1833
Hi, Today I downloaded flash utility v2.2.3 from philips website for lpc2148. after successful installation when i ran that program i couldn t change device.
Re: [lpc2000] Re: LPC and ceramic resonator?
2006-04-19 by Herbert Demmel
... Great. ... From my experiance, if a ceramic resonator is reliable running, it works with USB as well. Ceramic resonators usually have 0.5% accurance, which
Re: [lpc2000] Re: LPC and ceramic resonator?
2006-04-19 by Tom Walsh
... Yeah! Who cares if the osc wanders a few hundred PPM ? heh TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,
Re: Strange problem with the Philips Flash Utility
2006-04-19 by jayasooriah
... I have updated the section on LPC Limit Select register in my Boot loader Internals page with more specific information that I posted on this forum a
Re: LPC and ceramic resonator?
2006-04-19 by lpc2100_fan
i Herbert, did that with a resonator from Murata and the LPC2138. Works just fine but for USB (and the RTC ;-) you need something more accurate than a
Re: [lpc2000] help coding ISR in asm
2006-04-19 by Robert Adsett
... While I d do the prologue and epilogue in assembler there is no reason to not do the main body in C. Also no reason to use FIQ over IRQ given the
Re: Installing exception handlers from C
2006-04-19 by jayasooriah
... The EAXXXXXX instruction is encoded with 24-bit (word) offset that is added to the current of PC at the time this instruction is executed. By the time the
Re: Installing exception handlers from C
2006-04-19 by c.barbaro
... When your instruction at address A is being processed, the next instruction at address A+4 is already fetched so the PC is pointing to A+8. So if your