New file uploaded to lpc2000
2005-07-21 by lpc2000@yahoogroups.com
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More UART woes
2005-07-21 by vajper0
Still working on my UART driver for the LPC2138. Now I m having problems with lost Tx data from the LPC to a PC. I don t have a clue about what I m doing wrong
Re: LPC2292 + QUAD UART tl16c754
2005-07-21 by catstransport
After two interesting posts. The problem is solved. I have made two method a read and a write. For each register change in the uart I call this method with the
New file uploaded to lpc2000
2005-07-21 by lpc2000@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the lpc2000 group. File : /Linux
Re: RTC problem
2005-07-21 by swanann2000
... Ok, I have just seen that the source code from the app note AN10382 is wrong. The PCONP must be initialized to 0x1517BE, and also they don t enable the
Re: LPC2292 + QUAD UART tl16c754
2005-07-21 by aj_erasmus
... Wait States is not the problem. We are using the same chip and after stuffing around for a couple of weeks we finally found that the device is in some
Re: [lpc2000] LPC2292 + QUAD UART tl16c754
2005-07-21 by Jan Cilliers
... I strongly suspect you DO NOT! We used this same TI chip, and after weeks of sweat and tears messing with wait states etc. we found that the problem
RTC problem
2005-07-21 by swanann2000
Hi all! Anyone can post a source code for the RTC of lpc2138 usign interrupts, I have a lot of problems because the counter flag interrupt doesn t appear, so
Re: SOLVED! Re: [lpc2000] GNUARM weirdness ?
2005-07-21 by 42Bastian Schick
Arie de Muynck schrieb am Thu, 21 Jul 2005 07:14:08 ... Not to me, thank you ... I ll keep an eye on it (have some legacy code which still
Re: SOLVED! Re: [lpc2000] GNUARM weirdness ?
2005-07-21 by Arie de Muynck
... standard. ... No, it is a different (and known) problem. The GCC compiler will use a byte or word16 access to set/clear a small field in the word32: and
Re: SOLVED! Re: [lpc2000] GNUARM weirdness ?
2005-07-21 by 42Bastian Schick
DECwiz (Fred van Kempen) schrieb am Wed, 20 Jul 2005 ... The order how the bits are stored in a bitfield is not defined by standard. This
SOLVED! Re: [lpc2000] GNUARM weirdness ?
2005-07-20 by DECwiz (Fred van Kempen)
All, ... this is exactly what I did most of last night. The assembler output looked similar, and, to me, with only x86/PDP11/VAX assembler knowledge, looked
Re: W(or not) to use ARM mode
2005-07-20 by Peter
... Ditto on the pot-stirring, I do agree with the memory-width benefits of Thumb code that have been raised, but I wanted to mention that there is another
Re: [lpc2000] GNUARM weirdness ?
2005-07-20 by Michael Anburaj
Fred, Compare the assembly code generated by both IAR & gcc around that piece of code that s causing this or email me. And also do you have enaugh stack to
Re: [lpc2000] OT: CCD Cameras ?
2005-07-20 by Bryce Schober
Check out the i.MX processors at freescale.com (under wireless). They have integrated graphics acceleration, video codec, camera interface, etc... ... -- Bryce
RE: [lpc2000] LPC2131 SPI output drive and ULINK JTAG issues
2005-07-20 by Dan Beadle
I had a board with JTAG problems. Started 1 in 10 or so. Good enough to make me think it was in the startup code somewhere. I pulled hair - looking at
OT: CCD Cameras ?
2005-07-20 by Lasse Madsen
Hi All, I m trying to find information on any IC s that can interface to a CCD/CMOS camera chip and display its output on a LCD/TFT panel (for view finding
LPC2131 SPI output drive and ULINK JTAG issues
2005-07-20 by drb5599
Hello All, After several months of developing with the MCB2130 eval board I finally got my first prototype hardware. I am pretty excited, but I have a couple
LPC2292 + QUAD UART tl16c754
2005-07-20 by catstransport
I have a small problem with the wait states of the tl16c754. I have made a test method for writing and reading to some addresses. To the address of lcr i can
RE: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Robert Adsett
... And you have a good solid decoupled 5V to its power inputs? Robert Freedom has no meaning of itself. There are always restrictions, be they legal,
LPC2292 + QUAD UART tl16c754
2005-07-20 by catstransport
I have a small problem with the wait states of the tl16c754. I have made a test method for writing and reading to some addresses. To the address of lcr i can
RE: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Tom Convent
yes 5v chip ... What s your power supply to it? That is a 5V chip. Robert Freedom has no meaning of itself. There are always restrictions, be they
RE: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Robert Adsett
... What s your power supply to it? That is a 5V chip. Robert Freedom has no meaning of itself. There are always restrictions, be they legal, genetic,
RE: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Tom Convent
Hi Madsen Transceiver is AMD202E Analog Devices. The settings for transceiver are right otherwise it shoudn t have worked for 38400 for XTAL 14.7456MHz Lasse
Re: Lost UART1 IRQ? (NOT COMPLETELY SOLVED)
2005-07-20 by genie_23432
... Glad to hear that you solved your issue. I did have a few minor issues in my code that where causing me grief. But one fundimental thing I have yet to
RE: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Lasse Madsen
What transceiver are you using? MAX3232 ? Regards Lasse ... From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf Of Tom Convent Sent: 20.
Re: [lpc2000] Re: Philips Flash Utility
2005-07-20 by Tom Convent
Hello Valdef, I changed my XTAL to 14.7456 MHz and it works until 38400 Bautrate. Where as user manual says XTAL 14.7456 MHz can be used to have higher
Re: Reading IOPIN on 2106
2005-07-20 by lpc2100_fan
Hi Jay, there was a thread long ago dealing with a similar issue, it starts with message #1672. According to that thread, the I/O pins can only be read while
Re: 2106 as a SPI slave
2005-07-19 by Mark Butcher
Hi Jay It is interesting what you write. I intended using the LPC2106 in slave SPI mode a few months ago when interfacing it it to a Freescale NE64 as 100M LAN
Re: On KEILs Dhrystone benchmarks --again
2005-07-19 by berniespam
Hello Thiadmer, I was doing some comparisons of different compilers (IAR, ARM ADS, GNU, Keil...), and I wanted to use your well-done analysis methodology. The
Re: W(or not) to use ARM mode
2005-07-19 by embeddedjanitor
lp fan s comments are pretty much in agreement with what I have ... instructions ... Thumb instructions are actually an encoding of ARM instructions so every
Reading IOPIN on 2106
2005-07-19 by Jay Prunty
The data sheet says I can read IOPIN to get the pin states regardless of direction and mode. I m trying to read the SSEL line (P0.7) when I have it configured
Re: fast io philips ?
2005-07-19 by lpc2100_fan
Hi Gennady, that has changed in deed, the ports are no longer connected to the VPB bus, not even to AHB but to the memory bus, which is even faster than the
Re: [lpc2000] Re: fast io philips ?
2005-07-19 by Gennady Palitsky
Thanks Bob, ... I believe it s not the actual IO toggle speed, but moving of data from from flash to IO (VPB related?) that took extra cycles on before 2148
W(or not) to use ARM mode
2005-07-19 by lpc2100_fan
Hi Bastian, may be there is one parameter missing in the equations we looked at so far. That parameter is how many instructions are needed to perform a
Re: fast io philips ?
2005-07-19 by lpc2100_fan
Hi, the LPC2148 (LPC2138 with USB) has fast I/O. In an assemler test program we were able to switch the ports with a frequency of CPU/4, ergo 15 MHz. Because
fast io philips ?
2005-07-19 by gen_4p
I ve been out of the ARM loop for some time now. That time I was going to use 2138, but it didn t work for me because of extra cycles added on IO writing. As I
SOLVED! Re: Lost UART1 IRQ?
2005-07-19 by vajper0
Hi again! I just rewrote much of the UART code to slim it down and make it more efficient. It was rather crappy because it was using a buffer library that I
Re: Lost UART1 IRQ?
2005-07-19 by vajper0
... I always read 14 bytes. If there are more data in the FIFO I get that the next time I get a Rx IRQ. /PH
Re: Lost UART1 IRQ?
2005-07-19 by genie_23432
... seems ... except ... know ... trigger ... register ... matching ... again ... TEMPT ... so ... When a ... could ... timer ... Firstly I figured out one of
Re: [lpc2000] Re: Lost UART1 IRQ?
2005-07-19 by 42Bastian Schick
... Do you really read 14 bytes or until the UART indicates FIFO empty ? You might have received a 15th byte. -- 42Bastian Schick
Re: Lost UART1 IRQ?
2005-07-19 by vajper0
... The FIFO is enabled.When I get a RDA IRQ I read 14 bytes (FIFO threshold). When I get a CTI I read until the LSR0-bit is cleared. Maybee I should try the
Re: Lost UART1 IRQ?
2005-07-19 by Dave
... level. ... Hello, I use a 2132, but the initial development was done on a 2138 evaluation board from keil, the M something 2130. I have interrupt comm at
Re: Lost UART1 IRQ?
2005-07-19 by genie_23432
... except ... know ... trigger ... register ... again ... works ... There ... the ... am ... Added info I forgot to include. In my case I find that the UART1
Re: Lost UART1 IRQ?
2005-07-19 by genie_23432
... seems ... level. ... matching ... I am also doing the same type of situation on a 2119. When it works it works great but when it doesn t well it just
Lost UART1 IRQ?
2005-07-19 by vajper0
I m writing a driver for UART1 on a LPC2138. So far most things seems to work (considering the crappy hardware capabilities). My current problem is that I
Re: Philips Flash Utility
2005-07-19 by valdef78
... My baudrate is 9600, when I want to increase my baudrate to 38400 or 57600, error comes one of the parameters are not matching I am using XTAL 12 MHz.
Re: [lpc2000] GNUARM weirdness ?
2005-07-19 by 42Bastian Schick
DECwiz (Fred van Kempen) schrieb am Tue, 19 Jul 2005 ... One note: Make pointers volatile otherwise the compiler might do things _you_ do
Re: GPIO Port 1 (2132)
2005-07-19 by Dave
... should be ... Dave
GPIO Port 1 (2132)
2005-07-19 by Dave
Hello, Some weird things happen when using PORT 1. Firstly, make sure the debug and trace functions are disabled. regVal = PINSEL2; regVal &= ~((1