lpc2210 design concerns
2005-03-03 by xlpeng
Hi, LPC2210 looks very good for my design, it s low cost, lots of peripherals, relatively fast and most of all, expandable. But I still have some concerns
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Re: LPC2132 SPI problem
2005-03-02 by lp2000c
Do I understand you to be saying that the manual is wrong, and even on LPC213x you cannot use SSEL as GPIO when SPI is in Master mode? Did you actually test
Re: LPC2132 SPI problem
2005-03-02 by haack0815
... Sorry for the wrong info, but the older UM of the 2132/38 has an error and tell that you must pull high the SSEL0 pin and the new UM tells that you can use
Re: [lpc2000] Re: LPC2132 SPI problem
2005-03-02 by Robert Adsett
... Could you add a note on that to the tips, tricks and traps on http://www.open-research.org.uk/ARMuC/ ? I have a feeling this is going to become a FAQ.
Re: LPC2132 SPI problem
2005-03-02 by johnsonnenberg99
You are both right. One MUST enable the Slave Select pin for the SPI to work as a Master. This is how the 210x processors work, but it was supposed to be
Re: ISP problems
2005-03-02 by Leighton Rowe
... understand ... Yes this method was briefly discussed almost 6 months ago as an alternative of getting around that annoying P0.14 issue. At the time, I
Re: [lpc2000] Nested timer interrupt example
2005-03-02 by Anton Erasmus
... I had thought about using a FAQ + IRQ. This should work fine for two levels. The problem is that as soon as one needs more than 2 levels, one will have to
Re: [lpc2000] Re: ISP problems
2005-03-02 by Robert Adsett
... There is also the erase first sector and reboot method. I understand someone has used that. Robert Freedom has no meaning of itself. There are always
Re: timer reset
2005-03-02 by zvonkobharije
... damn... yeah, you re right. I feel very embarassed... :( ok, again: if I reset timer (T0TCR = 0x2) and then start it again (T0TCR = 0x1), do I have to wait
Re: ISP problems
2005-03-02 by Leighton Rowe
... Entering ISP mode from user code is actually article AN10356.
Maximum speed of data transfer from external RAM for LPC2292/2294
2005-03-02 by kbshah_2000
Please let me know if any one has tried to measure maximum data transfer rate from external memory (using CS2 --i.e. RAM at location selected by CS2 ) and
LPC3000 ARM9 family Press Release
2005-03-02 by geno_24@yahoo.com
The Press Release for the ARM9 LPC3000 family is now posted on their website. http://www.semiconductors.philips.com/news/content/file_1139.html ... to the ...
Re: timer reset
2005-03-02 by peterburdine
... I think you may be reading it wrong. To Reset T0TCR = 0x2; To Start T0TCR = 0x1; The numbers in the columns are the bit numbers, not values.
RE: [lpc2000] LPC2132 SPI problem
2005-03-02 by Ronnie Leighty
Hi John, I had a similar problem with the LPC2119/29. Once I enabled the SSEL in the pin block, it worked fine. Also - just in case - ensure the TRST,TDI,TMS,
Re: UART Problem
2005-03-02 by mobilsiten
Yes, sorry I did that in the main function... ... be set
Re: [lpc2000] ISP problems
2005-03-02 by Bill Knight
Have a look at LPC-FlashRoutines-18Feb05.zip in the files section for this group on Yahoo. It may be of use to you. Regards -Bill Knight R O SoftWare &
Re: Nested timer interrupt example
2005-03-02 by lp2000c
Look at TIMER.1 errata for the LPC2114 http://www.semiconductors.philips.com/acrobat_download/erratasheets/21 14.pdf I ASSUME the LPC2292 has the same problem.
ISP problems
2005-03-02 by albin_martinsson
Hi, After downloading Philips App AN10256 Entering ISP mode from user code I have tried to get it to work without success. Have anyone got it to work? We
Incompatibilities between IAR Kickstart and EMBEST IDE
2005-03-02 by magorecpe
Hello All, I am having incompatibility problems with Embest UnetICE and IAR LPC Kickstart development suite for LPC2106 (the board with LPC2106). The IDE
SPI Slave question (LPC2106)
2005-03-02 by Mark Butcher
Hi All I decided to try operating the LPC2106 in SPI slave mode for communication with a weaker CPU but have some strange results. Here s the simple test:
ANN: uSmartX - Simple OS
2005-03-02 by Marko Panger
Hi all, First of all sorry for the off-the topic post and for making advertisment, although it is for an open-source project. Sometime ago someone was asking
Re: [lpc2000] UART Problem
2005-03-02 by Bill Knight
A quick observation; the IO pin direction will most likely need to be set as an output and it s function may possibly need to be set to GPIO. Regards -Bill
Another (free) RTOS
2005-03-02 by leon_heller
This has just been announced on the AVR Freaks site: http://usmartx.sourceforge.net/ It s intended for the ARM7 and gcc. I ve downloaded it but haven t tried
Re: UART Problem
2005-03-02 by mobilsiten
... Hmm, very strange! Now it works without any changes.... Thanks anyway!
Re: LPC2132 SPI problem
2005-03-02 by haack0815
... Hi, you must use the SSEL0 input an apply a high to this pin to enable the SPI0 controller. ANdreas
UART Problem
2005-03-02 by mobilsiten
I cant get this to work. I only want to turn on a led if I recive something on UART1. This is the code: void init_serial (void) // Initialize Serial
LPC2132 SPI problem
2005-03-02 by johnsonnenberg99
I just can t get the SPI port on the 2132 to work (master mode). Any help would be MUCH appreciated! I ve setup the pin connect block per the manual, enable
Re: [lpc2000] ARM7 with on-board ethernet
2005-03-02 by Alex Gibson
Josehp can you give me the pricing for any arm7 or other arm dev boards you guys carry. A couple of lecturers are looking for more boards for a uni embedded
Re: [lpc2000] Nested timer interrupt example
2005-03-01 by Robert Adsett
... ... OK, I understand now. I would have done it as a single fast timer interrupt portion and put both the slow portion and the background portion in
Re: [lpc2000] Nested timer interrupt example
2005-03-01 by Anton Erasmus
... Thanks, I will have a look. ... Yes, my main application actually runs in the timer interrupt. Typically I use a periodic interrupt rate of 2ms. My high
Re: A couple questions on Software Interrupts
2005-03-01 by Leighton Rowe
... generates ... a ... the HW ... Oh ok. Didn t realize setting VICSoftInt bits actually forces IRQ exceptions. It makes the whole concept a bit
Re: [lpc2000] A couple questions on Software Interrupts
2005-03-01 by Robert Adsett
... I think you are confusing two different things. The SWI op-code generates an exception to the SWI exception handler not the irq exception handler.
A couple questions on Software Interrupts
2005-03-01 by Leighton Rowe
I haven t played around swi s much but most (if not all) swi_handler examples that I ve seen were written in straight assembly language (some even containing
Re: [lpc2000] Nested timer interrupt example
2005-03-01 by Robert Adsett
... Take a look for Timer_issue.pdf in the files section (I d post a link but that seems problematic). I think this has not made the actual errata sheets yet
Re: [lpc2000] Nested timer interrupt example
2005-03-01 by Anton Erasmus
... I am using the LPC2292, and there is no mention in the LPC2292 errata regarding timer problems.
RE: [lpc2000] Re: Electronic Development Boards - MSP, ARM, AVR and PICs
2005-03-01 by Milos Prokic
Thanks, I do get some stuff from Sparkfun. from time to time. The thing is that my wiggler got busted so I got the programmer from them. I m aware that this
Re: Using IAP in a CrossWorks Tasking Library (CTL) application
2005-03-01 by eli1s
Hi Michael, Probably I will have to write some separate code loader application, to be run in RAM. My software download scenario is as follows: 1. The CTL
Re: [lpc2000] Using IAP in a CrossWorks Tasking Library (CTL) application
2005-03-01 by Michael Johnson
Hi Eli, We ship the source code of the flash loader in the CrossWorks for ARM distribution which could be a place to start. Other things to beware of is that
Using IAP in a CrossWorks Tasking Library (CTL) application
2005-03-01 by eli1s
Hello everybody! This is my first message on thi board. Is there anybody on this board doing In Application Programming by application, running on Rowley CTL
Re: lpc2138 wakeup from rtc
2005-03-01 by arturo tramontini
i have found a trick. from pdf for lpc2138 - preliminary release of 22 november 2004 Table 9: Interrupt Wakeup Register (INTWAKE - 0xE01FC144) EXTWAKE Function
Re: relocating code in RAM with lpc2106.
2005-03-01 by milind_pd
Hello Everyone, Thanks for your help. Actual problem was not my code but non-erasure of RAM at Power ON. With Ashling tools and Ashling Eval board,I need to do
Re: [lpc2000] Watchdog and external Interrupt problem
2005-03-01 by Onestone
It sounds like you have a watchdog flag already lodged, ie even though not enabled the watchdog still runs, and, as soon as it becomes enabled , with ints
Re: [lpc2000] Watchdog and external Interrupt problem
2005-02-28 by jane highland
Yes I got fed up too. Get an external watchdog chip...you want to be able to scope a real reset signal from something independent of the the LPC chip when
Re: Electronic Development Boards - MSP, ARM, AVR and PICs
2005-02-28 by lpc2100_fan
Milos, if you are in NA, you could by the same boards in the US. All boards are manufactured in Bulgaria by Olimex.
Electronic Development Boards - MSP, ARM, AVR and PICs
2005-02-28 by Milos Prokic
Hi, I found the following Canadian distributor to be very professional. http://www.optimal-microsystems.com/store/ If you re in NA it s the way to go. Cheers,
Re: [lpc2000] Nested timer interrupt example
2005-02-28 by Robert Adsett
... Before you go too far make sure you ve read the timer race conditions errata. Robert Freedom has no meaning of itself. There are always restrictions,
Re: [lpc2000] can't get printf() to print on UART0 with GNU
2005-02-28 by Robert Adsett
... I d appreciate it if you could send the hex files and corresponding map files (-M or --print-map). Use the information-request link on
ESD diodes
2005-02-28 by Danilo Franco
Rummaging through the user manual I couldn´t find any information about ESD diodes on any ARM´s I/O pin. Does anyone have know if these diodes are there?
Re: [lpc2000] can't get printf() to print on UART0 with GNU
2005-02-28 by Anton Erasmus
... I have tested the two versions of the test10 example on my board. The version directly linked with the object files runs correctly while the version linked
Nested timer interrupt example
2005-02-28 by Anton Erasmus
Hi, Does anyone have some example code for gcc for a nested timer interrupt ? I have googled a bit, and have found some discussion regarding the switching of