Re: [lpc2000] Linux/ OSS ISP tools?
2004-03-04 by Robert Adsett
... Take a look at http://www.engelschall.com/~martin/lpc21xx/isp/index.html I haven t tried these yet but I hope to. Robert Freedom has no meaning of
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Linux/ OSS ISP tools?
2004-03-04 by embeddedjanitor
Has anyone written Linux/Open Source ISP tools? Apart from use in a Linux environament these can be very useful for anyone doing manufacturing loaders. --
Re: Circular buffers
2004-03-04 by embeddedjanitor
... filling ... No this is just the circular buffer itself. I normally wrap the foreground code in interrupt enable/disable code to make it interrupt safe.
RE: [lpc2000] Re: Circular buffers
2004-03-04 by Robert Adsett
... It could be made so but it s not as it is written. Robert Freedom has no meaning of itself. There are always restrictions, be they legal, genetic, or
Circular buffers
2004-03-04 by Owen Mooney
Circular buufers are a technique not routines Typical psuedocode: buffer[1024]; int onpointer=0,offpointer=0; procedure addbyte(data) { buffer[onpointer]=data;
RE: [lpc2000] Re: Circular buffers
2004-03-04 by Curt Powell
Charles, Do you find this version to be thread safe when a UART ISR is filling it and the main program is processing (i.e. emptying) it? Curt ... From:
Re: Circular buffers
2004-03-04 by embeddedjanitor
... There are various ways to implement circular buffers. The easiest way, and most robust way, IMHO is to use a counter to track how many items are in the
Re: Connection to Green Hills Probe (MULTI)
2004-03-04 by lpc2100
10K pull down resistor on the RTCK pin is good enough to enable the debug port. If the RTCK pin is connected to your JTAG box make sure that when the sRST is
5V tolerant i/o pins
2004-03-04 by onceinfour
I want to connect the LPC2114 (or other LPC2xxx) to 5V solenoid drivers (eg. UDN2981 s). Can I pull up the outputs of the LPC to 5V with say 10K, to satisfy
Circular buffers
2004-03-04 by Curt Powell
Can someone point me to some circular buffer routines? TIA, Curt
Re: LPC2124 power consumption
2004-03-03 by redsp@yahoo.com
I am not trying to pick a fight. I am pointing out that your information in the data sheet is of no value to an engineer. I have adequate information from
Re: Connection to Green Hills Probe (MULTI)
2004-03-03 by philips_apps
Hi Kirsti, you found a flaw in the User Manual pin description, sorry one of the cut and paste errors. Will be changed but might take a few weeks until
Re: [lpc2000] Protection
2004-03-03 by microbit
Hi David, Robert et al, It is interesting that a thread has been in progress about code security on MSP430 forum. I personally found this very interesting
Re: LPC2124 power consumption
2004-03-03 by philips_apps
OK, here we go, let s go OKI. Let s just assume our device follows the ratio between current used for core and current used for I/O as the OKI device, let s
Re: [lpc2000] Protection
2004-03-03 by David Willmore
Hello, Robert. On the topic of protection, I just want to throw this out as a cautionary note. The method of code protection that Philips is proposing for the
Re: 2 queries, counter & battery back up
2004-03-03 by Owen Mooney
Thanks for your replies. No I don t want a lesser processor according to a couple of suggestions! I want some grunt here! I have some real work to do. My main
Re: Problem with LPC2106
2004-03-03 by moostieuk
Looks like it was the parallel port cable I was using....(The byteblaster cable that was supplied with a nios devkit) Switched to a belkin cable and it
Re: SV: [lpc2000] SPI SSEL Pin
2004-03-03 by russian_beagle
... information on ... pulled low ... needs ... implies ... manual ... The SPI SSEL pin must be pulled high in MASTER mode. Also this pins could not be used
Re: LPC2124 power consumption
2004-03-03 by redsp@yahoo.com
... That is where we disagree. If I could reproduce the measurement, then I would just make the measurement myself and I would not need the data from you. I
Protection
2004-03-03 by philips_apps
Hi Kris, good news and bad news about protection. Let s get the bad news out of the way. The LPC2104/5/6 can not be upgraded with protection as the design is
Re: [lpc2000] 2 queries, counter & battery back up
2004-03-03 by Igor Janjatovic
... See: rtc_smps_lpc2k.pdf in Files section of this group. This is just simple schematic that I designed [took me 5 minutes :)] to show you one possible
LPC 2106 JTAG - Strange behaviour
2004-03-03 by jvedum
Hello, Looking for a solution to the secondary jtag problem , I have discovered that in some cases both jtag interfaces seems to be active simultaneously! The
Connection to Green Hills Probe (MULTI)
2004-03-03 by kiaa@networks.nera.no
Hello group! I am working on a design with LPC2114 and I want to use the MULTI development environment for the device. I have connected the JTAG signals and
Re: ETM and Primary JTAG Port
2004-03-03 by jvedum
... flashing the ... ever a ... The RCTK is used by some debuggers for adaptive clocking , in fact a clock feedback system enabling the debugger to run at
Re: [lpc2000] Really Philips? -> Yes I am (was Re: 2 queries, counter & battery back up)
2004-03-03 by Michael J. Pont
... Welcome, Robert, Very glad to see that you will be contributing to these discussions. Michael.
Re: [lpc2000] Problem with LPC2106
2004-03-03 by Robert Adsett
... One thing with the wiggler make sure of the mode your parallel port is in. The Mcgraigor stuff at least prefers EPP. Also that combination won t let you
Re: [lpc2000] Request for C Code
2004-03-03 by Robert Adsett
... There are small amounts available that I know about. There are some samples in the files area, mostly serial code. Also at
Re: [lpc2000] Re: ETM and Primary JTAG Port
2004-03-03 by James Dabbs
... Ugh.. What is the *purpose* of RTCK, and why does it interfere with flashing the chip? Is this normal, or an LPC bug, or a Nohau issue? Is there ever a
Re: [lpc2000] Protection / RAM-size (was Re: 2 queries, counter & battery back up)
2004-03-03 by microbit
Hi Robert, ... That makes sense, simple and nifty ! Can you confirm wihich devices onward this will be implemented on ? ... Great news. We re kinda spoiled
Re: ETM and Primary JTAG Port
2004-03-03 by lpc2100
Read this post about the RTCK if you want second and subsequent flashing via the secondary JTAG port. http://groups.yahoo.com/group/lpc2000/message/1067 ...
Re: [lpc2000] 2 queries, counter & battery back up
2004-03-03 by Peter Jakacki
... The LPC2000s are great processors but I think you should look at something like the MSP430 range for this type of application. The LPCs are fast and are
Re: 2 queries, counter & battery back up
2004-03-02 by lpc2100_fan
Owen, the LPC2000 is a 32-bit family the PIC16xx is a 14-bit ;-)) family. Very different animals. Actually the PIC is nothing but an 8-bit micro with a weird
RFC: LPC2000-based ARMoid
2004-03-02 by Pablo Bleyer Kocik
Hello group! We have received an overwhelming response for our new board (http://armoid.com), so as I have told you before --and since the external bus version
Request for C Code
2004-03-02 by Owen Mooney
As I have mentioned, I am starting on a new project with this series. Has anyone got some sample C code that they could make available, mainly to drive the
2 queries, counter & battery back up
2004-03-02 by Owen Mooney
I am about to embark on my first LPC2106 project. I chose this product for its small size and cost for a single chip solution for a data logger. I also need
Problem with LPC2106
2004-03-02 by moostieuk
I have the olimex LPC-P1 board & I m evaluating the crossworks system. I placed a breakpoint on the first code of line in my main procedure and the debugger
Re: LPC2124 power consumption
2004-03-02 by philips_apps
Hi, power consumption has to be specified in an enviroment that everybody can reconstruct. As soon as an application is involved, this does not hold true any
Really Philips? -> Yes I am (was Re: 2 queries, counter & battery back up)
2004-03-02 by philips_apps
Michael, good question whether I am really from Philips or not. May be this helps to convince at least you: I sent your prototype Keil Board on Dec 3 from
LPC2124 power consumption
2004-03-02 by redsp@yahoo.com
I have looked at the data sheets for several of the LPC processors and they all list 30 mA as the typ power consumption with the CPU running a NOP loop and
Protection / RAM-size (was Re: 2 queries, counter & battery back up)
2004-03-02 by philips_apps
-snip-- ... what it ... The protection (disabling JTAG) happens first thing at power up no matter if protection is enabled or not. Then the bootloader checks
RE: [lpc2000] ETM and Primary JTAG Port
2004-03-02 by James Dabbs
OK. I am no convinced that this answer is NO. I am now bringing the secondary JTAG pins out to the debug header, instead of the primary JTAG pins. In my
Re: [lpc2000] uCos
2004-03-02 by Michael Anburaj
Hi Gene, I am extending my ARM uCOS port to LPC for Martin (Supporting GCC, ADS & SDT). A preliminary release should be available soon. Cheers, -Mike. ...
LPC2114 code samples
2004-03-02 by kirjo2002
Hi, I am new to the LPC2114 and I have just developed a design with the LPC2114 MCU and are looking for code samples for the device. I will use the MULTI
Re: [lpc2000] Updated LPC2000 Documentation on the Philips Website
2004-03-02 by microbit
Thanks Hugh, -- Kris ... From: Hugh O Keeffe To: Sent: Tuesday, March 02, 2004 8:23 PM Subject:
SPI slave - speed... too fast ?
2004-03-02 by capiman@t-online.de
Hello, i have a few questions about SPI slave (at the moment only general questions): 1) I have a SPI master which uses a SPI clk of 20 MHz or even 25 MHz. Is
Re: [lpc2000] SPI SSEL Pin
2004-03-02 by Bill Knight
The purpose of my post was to indicate the SSEL pin must be used and tied to the appropriate level for the SPI to operate. Even if used in MASTER mode. I had
SV: [lpc2000] SPI SSEL Pin
2004-03-02 by Helge Fabricius-Hansen
The SPI SSEL pin must be high in Master mode! If it goes low in master mode the SPI will change to slave mode. //Helge ... Fran: James Dabbs
ETM and Primary JTAG Port
2004-03-02 by James Dabbs
I think I know the answer, but just to be perfectly clear.. Is there any way to disable the ETM port and use these pins for other functions when using the
SPI SSEL Pin
2004-03-02 by James Dabbs
Reading through the message archives, I see conflicting information on the SPI SSEL pin. Bill Knight says the SPI SSEL pin must be pulled low for the LPC210X
TechOnLine Webcast March 10th
2004-03-02 by Peter
Philips are broadcasting a webcast on TechOnline.com about the LPC2000 family on March 10th. I m sure there will be a lot of marketing waffle, but the overview