Re: [lpc2000] Re: Banchmarking different ARMs
2005-02-26 by Michael Anburaj
Hi, That was very a quick & incomplete report about code size (gcc vs SDT 2.51) [ http://geocities.com/michaelanburaj/downloads/code_lpc.txt ] ADS may produce
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Capture problem - counting towards no end...
2005-02-26 by Lasse Madsen
Hi all, Why is the damn capture module counting towards no end without a stop!? It should count to 2200 according to my calculations!? Why does it increment
Re: [lpc2000] no rumor, it's official, The LPC3000 ARM9 family was announced by Philips
2005-02-26 by Leon Heller
... From: Rod Moffitt To: Sent: Saturday, February 26, 2005 6:56 PM Subject: [lpc2000] no rumor, it s official,
Re: [lpc2000] no rumor, it's official, The LPC3000 ARM9 family was announced by Philips
2005-02-26 by Robert Adsett
... Umm, that would be the press release I pointed to on the 23 rd under the thread LPC3000 ;) Robert Freedom has no meaning of itself. There are always
no rumor, it's official, The LPC3000 ARM9 family was announced by Philips
2005-02-26 by Rod Moffitt
It s official, The LPC3000 ARM9 family has been announced by Philips. I am surprised no one else saw this (it appears to be from the 23rd):
Re: Banchmarking different ARMs
2005-02-26 by lpc2100_fan
May be I missed something but the program compiled with GCC and the one with ADS seem to have nothing in common. Is it correct that these are totally different
Re: Banchmarking different ARMs
2005-02-26 by tsvetanusunov
... pretty interesting to see that GCC make shorter code than ADS :) All benchmarks I ve seen on ARM, Keil etc web site show that GCC usually produces twice
Re: [lpc2000] Banchmarking different ARMs
2005-02-26 by Michael Anburaj
Hi, I did benchmark different architectures / tool-chain combo by running the same dhrystone code. You can see the table here:
Re: UART0 vs UART1
2005-02-25 by dimaissaev
... library ( ... polled ... I can t use this interrupt by many reason. The main is Ineed a nested interrupts. And I think that I have a problem with them.
Re: UART TX FIFO SIZE
2005-02-25 by peterburdine
... a FIFO ... than you ... transmission ... switch ... not ... Well thats what I meant to get at, there is no way to tell if it is full.
RE: [lpc2000] SPI on LPC2106
2005-02-25 by Ronnie Leighty
Hi Mark, I am having similar issue with the 2119 part where I noticed your PINSEL0 setting of 0x00000050 is misaligned with p78 or P127 of the 2119 user
Re: [lpc2000] Re: UART TX FIFO SIZE
2005-02-25 by Robert Adsett
... Why? If you are doing a polled transmission I could see the use for a FIFO full flag but for interrupt driven you can stuff the FIFO faster than you can
Re: UART TX FIFO SIZE
2005-02-25 by peterburdine
... calculate the ... with the ... words ... FIFOs. ... I just wish they gave you a way to know how many bytes are in the FIFO (at least the tx fifo). In my
Re: UART0 vs UART1
2005-02-25 by peterburdine
I ve been having a terrible time with getting the interrupts working on the LPC2294 using the Keils tools. The code being created seems fine, but if I try and
Re: [lpc2000] ARM7 with on-board ethernet
2005-02-25 by Jens Hildebrandt
... Oops, forgot one... The Winbond W90N740 is an ARM7 based MCU with I- and D-cache running at 80MHz, featuring two 10/100-Ethernet-MACs, NAT-module, USB 1.1
Banchmarking different ARMs
2005-02-25 by tsvetanusunov
Hello All, For a while I m thinking to make a benchmark code which to run on all boards with ARMs we already have: Philips LPC2xxx, OKI ML67Q5xxx, TI TMS470,
Re: [lpc2000] Re: Philips datasheet department...
2005-02-25 by Leon Heller
... From: Curt Powell To: Sent: Friday, February 25, 2005 4:05 PM Subject: RE: [lpc2000] Re: Philips
Re: [lpc2000] can't get printf() to print on UART0 with GNU
2005-02-25 by Anton Erasmus
... Murphy strikes again :-( - I tried the same thing on my home machine as I did at work, and of course now I do not get the same thing. I have an older
Re: Philips datasheet department...
2005-02-25 by Richard
No, he is refering to a publication put out by ARM themselves. See: http://www.arm.com/documentation/books/1183.html Richard ... ARM ... explaning ... manual
Re: ARM7 with on-board ethernet
2005-02-25 by Gus
... year (Q3 according to Rober s last post) with on-board ethernet. Will this chip have PHY built in? If not, I really don t want to see that chip! If yes, I
Re: ARM7 with on-board ethernet
2005-02-25 by radoslaw_mitura
... (Q3 ... know of an ... is all a ... There is one from ATMEL (AT91C140) with dual 10/100 MAC (but without PHY) and SDRAM controller. It is quite big BGA256.
ARM7 with on-board ethernet
2005-02-25 by Stephen Pelc
... See Sharp www.sharpsma.com We haven t written the Ethernet drivers for these yet. See Samsung The S3C4510B is used by most of the low cost 10/100 4 port
Re: LPC2138 open drain for I2C
2005-02-25 by lp2000c
Yes. pins 22, 26, 37, and 41 are all open-drain.
Re: LPC2138 open drain for I2C
2005-02-25 by charlesgrenz
Hi Gus, No 1 I2C and 2 SPI. regards, Charles
LPC2138 open drain for I2C
2005-02-25 by Gus
Hello, It seems like the LPC2138 has 2 I2C built in. Does this mean that now we have 4 open drain pins on this chip? Thanks, Gus
RE: [lpc2000] Re: Philips datasheet department...
2005-02-25 by Curt Powell
Robert, By ARM Architecture Reference Manual are you referring to Furber s ARM System-on-chip Architecture book? Curt ... From: Robert Adsett
Re: printf with GCC using uclibc (ntfreak2000)
2005-02-25 by ntfreak2000
... alternative ... To improve code size especially for smaller arm devices you need to pass the linker switch --gc-sections - this will remove redundant code.
Re: [lpc2000] UART0 vs UART1
2005-02-25 by Robert Adsett
... There are examples in the files download area. The newlib-lpc library ( http://www.aeolusdevelopment.com ) has drivers for both UARTS both polled and
Re: [lpc2000] UART TX FIFO SIZE
2005-02-25 by Robert Adsett
... The top of page 140 of the user manual 16 byte Receive and Transmit FIFOs. Robert Freedom has no meaning of itself. There are always restrictions,
Re: [lpc2000] ARM7 with on-board ethernet
2005-02-25 by Jens Hildebrandt
... Hi Hugh, first, the unfortunately now EOL-ed Samsung S3C4510B/4530A (50MHz ARM7TDMI) come to mind. Seems as if Samsung dropped out of the network
Re: Reset time
2005-02-25 by charlesgrenz
Hi Danilo, There you have me. When I initially talked with Philips Apps about this, they gave me the wrong information the first time and the second time the
Re: can't get printf() to print on UART0 with GNU
2005-02-25 by tiogate
Yes, you are right. I ve overridden write() and now printf outputs to UART0. Thank you. Fernando ... lib ... only
Re: [lpc2000] ARM7 with on-board ethernet
2005-02-25 by 42Bastian Schick
Hi Hugh ... Samsung has one (it is on the ARM Evaluator-7T board, but ARM did not place a Phy-Chip beside it). -- 42Bastian Schick
printf with GCC using uclibc (ntfreak2000)
2005-02-25 by tiogate
... Thank you, Spen. You are right: I ve overridden write() and now printf outputs to the UART0. But there is an issue and I think it ... lib ... only ...
Re: [lpc2000] Re: Reset time
2005-02-25 by Danilo Franco
Hi Charles, Thanks for your prompt reply. So once POR is activated, what is the RST rise time? I have been designing reset control circuit taking into account
ARM7 with on-board ethernet
2005-02-25 by Hugh O'Keeffe
Hi Group, I know that Philips are releasing an LPC2000 part later this year (Q3 according to Rober s last post) with on-board ethernet. Anyone know of an ARM7
Re: Reset time
2005-02-25 by charlesgrenz
Morning Danilo, 80ms if you need to use one. Since the 2138 has a POR circuit, you do not need any external reset control. regards, Charles ... be pulled down
Reset time
2005-02-25 by Danilo Franco
Does anyone know how much time (or instruction cycle) RST line must be pulled down to reset LPC2138? Regards, Danilo [Non-text portions of this message have
Re: [lpc2000] Keil and LPC2294 - What am I doing wrong ?
2005-02-25 by Bill Knight
Paulo P0.30 defaults to AIN3 at powerup. You need to set its usage to GPIO in PINSEL1 before using it. Regards -Bill Knight R O SoftWare &
Re: [lpc2000] Keil and LPC2294 - What am I doing wrong ?
2005-02-25 by Paulo de Almeida
Hi Varuzhan, Thanks for your reply. The strange thing is that the Philips Flash Utility works fine when doing a Compare Flash with the Olimex suplied example
Re: [lpc2000] Keil and LPC2294 - What am I doing wrong ?
2005-02-25 by Varuzhan Danielyan
Once or, maybe, even more in this forum was mentioned, that the Philips Flash Utility has a bug, it does download, but do not work with Compare Flash
Keil and LPC2294 - What am I doing wrong ?
2005-02-25 by Paulo de Almeida
Hi, I m using Keil (UV3) with the Olimex LPC-H2294 board and I just can t get any of my programs to work. I made a very small program to turn on a led in the
Re: [lpc2000] UART0 vs UART1
2005-02-25 by Srinivasa Reddy Mannem
Hi, Could you please send me the code for UART0. Here i am facing some problem with UART0. I am unable to send any charector to Hyper Terminal.. Thanks in
UART0 vs UART1
2005-02-25 by dimaissaev
Hi all. Could anyone explane me what different between UART1 and UART0 (except modem control register in UART1). I can t understant NOTHING! Two equal
UART TX FIFO SIZE
2005-02-25 by Hong Jiang
Hi all members: I can get a Rx FIFO depth through FCR register,but how can I calculate the Tx FIFO size. According to the LPC2119 document,this CPU s UART is
Re: I managed to render three LPC2214 useless after running this code...
2005-02-25 by tasking12
Hi Jane, I have had a similar problem, but my code was: VPBDIV = 0; VPBDIV = 0; EXTMODE = 0x05; // EINT0 and EINT2 edge-sensitive EXTPOLAR = 0x01;
Prefetch Abort (instruction fetch memory fault)
2005-02-25 by dimaissaev
Hello All. I have found that if I try to work with UART1 (RS485) I have interrupt 0x0000 000C (Prefetch Abort). (I set a break point to 0x0000 000C) Is anyone
Re: can't get printf() to print on UART0 with GNU
2005-02-24 by ntfreak2000
... need ... there ... Keil gcc uses uclibc, the version you require is: int write (int file, char * ptr, int len) { return len; } All the system functions are
Re: [lpc2000] can't get printf() to print on UART0 with GNU
2005-02-24 by Robert Adsett
... Anton, I d appreciate it if you could give me some more information on this. Maybe send me a map file of a program illustrating the issue with it no
Re: [lpc2000] Re: Strange Compiler Behaviour -
2005-02-24 by Robert Adsett
... I won t reply to your other message then :). I think this is an area where the similarity of Cs syntax usage rules on [] between pointers and arrays