yet another demo-application
2004-12-01 by mteversmith
A demo-application ( T-Clock ) using a LPC2106 interfaced with a GLCD (KS0107/KS0108), a One-Wire Temperature-Sensor (DS18x20) and a mechanical rotary
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Re: [lpc2000] Re: Question about timing.
2004-12-01 by Lewin A.R.W. Edwards
... Just in case this is what you re doing: *In general* it is wise to avoid using software timing on cores like ARM. Although it s quite deterministic on the
Re: [lpc2000] Re: USB host and ARM
2004-12-01 by Marko Panger
Hi all, As Larsen said Atmel has a nice USB Host/OTG chip AT43USB380. Recently I have set up a discussion group about Atmel USB products in particular about
Re: [lpc2000] Slightly OT -- Fast Divide By 10
2004-12-01 by Clyde Stubbs
... Take a look at the library functions div() and ldiv(). Clyde -- Clyde Stubbs | HI-TECH Software Email: clyde@htsoft.com
Re: USB host and ARM
2004-12-01 by Gus
Philips already have USB hosts that are none-PCI so adding one to the LPC family is not impossible. ... can act as ... (mose ... seen ... there ... FLASH ...
RE: [lpc2000] Re: USB host and ARM
2004-12-01 by Messal, Art
Hi Gus, Rumor has it that Philips will soon have an LPCxxxx device which can act as both a USB slave and host. But this is only rumor. LPC23xx with USB
Re: USB host and ARM
2004-12-01 by Gus
Bob and all, Thanks for all the replies. You are right Bob. Everything said was for device not a host!! I am looking for HOST (same as PC) where you can plug a
Re: USB host and ARM
2004-12-01 by lpc2100_fan
Gus, got some information about the Atmel devices. All that I have seen are DEVICE only. No host functionality. Cheers, Bob
Re: [lpc2000] Re: SPI throughput
2004-12-01 by FabioDB
... As a normal SPI master-slave with LPC2106 as master and an ADC as slave. ... No, SPI clock from the SCK pin of LPC2106. -- FabioDB
Re: [lpc2000] Timer_interrupt
2004-12-01 by microbit
Have you accounted for the fact that your VPB bus is default cclk/4 ? (Pclk). You set this at register VPBDIV. -- Kris ... From: manikandan palaniappan
Re: No program start after reset
2004-12-01 by ian48harry
It is the two s compliment of the rest of the vector group, 8 32bit word, (for the calculation add in 0x00 for address 0x14. When calculated add that value in
Timer_interrupt
2004-12-01 by manikandan palaniappan
Hi, I am using LPC 2104 with 14.7456Mhz crystal.i want a timer interrupt to be occured every 1 minute.The calculation and settings i follwed are below I AM
Re: SPI throughput
2004-12-01 by elikcohen
How do you connect the SCK clock ? Do you generate it externaly from the XTAL and connect it to SCK ? It s not quite clear from the datasheet how to do this.
Question on proving interrupt priority on vectored IRQ interrupts
2004-12-01 by ©@°Ø¦â¤p¿ß
Hi everyone, I am using LPC2106 at the moment and only got the general purpose timer (Timer0 & Timer1) setup. I am using vectored IRQ handler to handle the
Re: No program start after reset
2004-12-01 by sifiland
CRC is at the address 0x14 falsh. which I must do, so that one gets correct CRC sifiland ... go
Re: [lpc2000] Re: Question about timing.
2004-12-01 by microbit
... Could it be an extra wait state for the CPU to be granted access to the VPB bus ??? -- Kris
Re: Question about timing.
2004-12-01 by digtalfreak
In the example the VPB divider was 4, I now tried with 1 and I got a Freq of 3,50 MHz, that are 17 clock cycles for 1 period. It should be only 16 (like
Re: Question about timing.
2004-12-01 by digtalfreak
Thanks, that link helped very much. I also thought about the pipelining but I din t understand how to get from cycles to needed clocks. I need to know the
Re: Question about timing.
2004-12-01 by Karl Olsen
... With ... is ... str ... the ... Have you changed the VPB divider from the default 4 to 1? Karl Olsen
RE: [lpc2000] USB host and ARM
2004-12-01 by Larsen, Morten ActeNO
Hi, I use the AT91SAM7S64 (in the form of AT91SAM7S64-EK evalboard + IAR SW) and it has indeed USB transceiver, but *device* (function) controller only - no
Re: LPC Series - Good things gone bad...
2004-12-01 by Rick Collins
... ARMuC ... a list. There is a wiki at http://www.open-research.org.uk/ARMuC/ It covers many ARM MCUs including the LPC devices. Please visit and add to it.
More than 1000 members and still highly productive
2004-12-01 by philips_apps
All, this group has been a great success and it is to the benefit of all, for you the mostly happy, sometimes unhappy users of the LPC2000 family. For the
Re: [lpc2000] Re: LPC Series - Good things gone bad...
2004-12-01 by Scott Newell
... It wasn t bad at all--left alone, it would shut the driver down in the stop bit. The bias resistors forced the line into an idle state anyway, which hid
Re: [lpc2000] Re: LPC Series - Good things gone bad...
2004-12-01 by microbit
Ah, OK. I thought it might have caused bad timing issues on the multi drop, depends on how fast your RS485 was running I guess, and also the specfic app. ...
Re: [lpc2000] Question about timing.
2004-11-30 by Robert Adsett
... Just added to the earlier mentioned FAQ. This is the question I most expected to be asked. http://www.open-research.org.uk/ARMuC/index.cgi?LPC2100Tips
Re: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by microbit
Hi Scott, ... Or RF amongst other media for that matter. This can be an important issue at times. A completely transparent INT driven media transaction can be
Question about timing.
2004-11-30 by digtalfreak
I just looked at the cycle timing specs of the ARM7TDMI-S and I must say.. I don t understand it. I made the following test: - Programm is running in flash -
Re: [lpc2000] USB host and ARM
2004-11-30 by Robert Wood
... Nope, definitely 7A3. As I said, it s not yet on the website, but I m sure your local disty would help you out. ... is enough room for a host
Re: [lpc2000] USB host and ARM
2004-11-30 by Robert Adsett
... AT91SAM7S64? - It claims a transceiver for USB, but I don t know that there is enough room for a host implementation (I m not even tempted). It s data
Re: [lpc2000] USB host and ARM
2004-11-30 by Robert Wood
Atmel AT91SAM7A3 might be what you want. It s brand new, datasheet s not on the web site. Engineering samples are available, so if it s a decent volume project
RE: [lpc2000] USB host and ARM
2004-11-30 by James Dabbs
... About a year ago I couldn t find any. Manufacturers seemed to assume that the host would require a larger OS & application framework (like WinCE and
USB host and ARM
2004-11-30 by Gus
Hello, I am looking for ARM chip with built-in USB host ! I know there are hundreds out there but I am looking for one with built in FLASH and RAM, just like
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Robert Adsett
... I got tired of suggesting someone else start the darn thing :) I ve set up a page on the ARMuC Wiki (that s what it s there for after all) and added a few
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Robert Adsett
... I m not sure I d call that a bootloader issue, although the bootloader does relate to it is also vulnerable to JTAG investigation. Robert Freedom has
Re: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Robert Adsett
... That one is actually mentioned in Philips own FAQ. Like most manufacturers FAQ its mostly marketing fluff rather than real information but sometimes
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Robert Adsett
... It just implements the standard 16550 interrupts so it only interrupts on buffer empty. You can get the same timing by listening to your own transmission.
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Scott Newell
... Does the LPC2k UART support an interrupt on transmit complete? That s really nice to have if you need driver control for RS-485. I got stung on the
Re: LPC Series - Good things gone bad...
2004-11-30 by R M
... the AVR ... act as a ... then ... lot of ... Bill just enlightened me with the issue you were describing. I wasn t aware that the SS# pin had to be used
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Lasse Madsen
Hi R.M. ... Now that s exactly why I proposed a list! Because there are many limitations on this processor and one can spend a fortune finding them manually.
RE: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Lasse Madsen
Hi, ... I ve been working with AVR for several years and I can tell you that the AVR controllers does NOT need the pin to be forced high by hardware to act as
Re: LPC Series - Good things gone bad...
2004-11-30 by R M
I wasn t aware of that limitation - that is an interesting issue.
Re: [lpc2000] Re: LPC Series - Good things gone bad...
2004-11-30 by Bill Knight
The problem (annoyance) with the LPC is that if you want to operate the SPI in Master mode only, the SS pin must still be configured for SPI use and tied high.
Re: LPC Series - Good things gone bad...
2004-11-30 by R M
You must be new to the low-cost micro controller scene because with most low-end micros (in my experience) the SS# pin is not normally driven by the master -
Re: [lpc2000] Re: No program start after reset
2004-11-30 by FabioDB
... Or exception vector table isn t located in flash. See MEMMAP register. -- FabioDB Altraqua
Re: No program start after reset
2004-11-30 by ian48harry
101 reasons but most probable that CRC at address 0x14 is wrong. Ian
No program start after reset
2004-11-30 by sifiland
Hallo, we would like to start a lpc2294 after a reset. We flashed the program with the IAR J-Link, with the debugger the program runs. After removing the
RE: [lpc2000] example programs
2004-11-30 by Leon Heller
... Have a look at the Files area. There is lots of stuff there. Leon
RE: [lpc2000] example programs
2004-11-30 by Paul Curtis
All, ... ...nice of Philips to delegate responsibility, hey? -- Paul Curtis, Rowley Associates Ltd http://www.rowley.co.uk CrossWorks for MSP430, ARM, and
example programs
2004-11-30 by Ingo Sander
I have started with programming the LPC 2129 on a MCB2100-Developmentboard from Keil. I asked the Philips support for example programs and library
Re: Natural alignment of 32-bit values within structures (gcc 3.4.1)
2004-11-30 by dpbevin2k
Sincere apologies to all... I am a donkey/arse (sorry ass)! I found a #pragma pack well hidden within the bowels of the source.