Re: LPC2106 and RS-232 Drivers (ADM3312E)
2004-06-10 by jpsg123
... Hi Bob, I already have ground in the serial cable connected to my board gnd. About unplugging, you can never really tell people how to do stuff, some might
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Re: LPC2106 and RS-232 Drivers (ADM3312E)
2004-06-10 by nonuckingfumber
I don t suppose this has anything to do with invoking the bootloader (P0.14 - UART1 Data Carrier Detect low).
Simple assembler recomendations?
2004-06-10 by nonuckingfumber
Any reccomendations for a simple assembler for compiling code to the LPC2106?. I find Gas is too much orientated to assembling C generated code. I would like
Re: LPC2106 and RS-232 Drivers (ADM3312E)
2004-06-10 by lpc2100_fan
... have no power on my ... VCC to -0.5V (max), ... power up my board, the ... power again before VCC ... way because of some ... negative VCC as little ...
LPC2106 and RS-232 Drivers (ADM3312E)
2004-06-10 by jpsg123
I have a problem where the MCU won t boot up. I discovered that if I have no power on my board but with a serial cable plugged in, the serial driver drives VCC
Re: [lpc2000] usb sprite
2004-06-10 by Shannon Holland
... Or use the Nohau USB arm jtag unit... I got one last year (think it was about $1k). So more expensive but it s a nice integrated unit. Works very well.
Re: [lpc2000] usb sprite
2004-06-10 by Pablo Bleyer Kocik
... Yep. Awesome chip ;^) From Philips/Cirrus/Atmel/Analog/ST/Sanyo/Sharp/Oki... MCUs, to SoCs like Qualcomm/Broadcom/Samsung s..., ARM seems to be taking over
Re: [lpc2000] usb sprite
2004-06-10 by Alex Gibson
... cdma ? http://www.cdmatech.com/solutions/products/msm5105_chipset_solution.jsp ??
Re: [lpc2000] usb sprite
2004-06-10 by Pablo Bleyer Kocik
... I really don t know. However I expect to put the files --source code plus schematics-- on the web site before the article gets published (... if I am lucky
Re: [lpc2000] usb sprite
2004-06-10 by Alex Gibson
... Sounds promising. So that ll get printed for August or September ? Alex
Re: [lpc2000] Re: usb sprite
2004-06-10 by Alex Gibson
... I was looking at it from the point you can get a board and jtag debugger like the IAR kickstart with Jlink debugger (usb) from almost half the price and
Re: [lpc2000] usb sprite
2004-06-10 by Pablo Bleyer Kocik
... Hopefully I will be soon releasing our PyICE debugger under the LGPL license, at least for the ARM7/9TDMI architecture. This is a set of Python tools that
Re: usb sprite
2004-06-10 by javaguy11111
It is hard to tell from the picture what type of chip it is. I just built a board this weekend that has the FT2232C going to an LPC2219. Still if it were a
usb sprite
2004-06-10 by Alex Gibson
Just noticed Macraigor have a usb to jtag device usb sprite http://www.linuxdevices.com/news/NS7199991898.html Frigging rip off US$750 Looks like an ftdi chip
Re: [lpc2000] Re: IAR vs. KEIL
2004-06-10 by Michael Mathews
At 03:35 PM 6/9/2004, you wrote: While have not given IAR a full evaluation I tried Crossworks after experiencing stability issues with the first LPC2000/GNU
Why not try Embest IDE?
2004-06-10 by zgrui
I recommend you to try Embest IDE, a debug tools suite from China. It s really a powerful, easy to use and low cost tools suite for better performance. It
Re: [lpc2000] Re: IAR Workbench Newbie
2004-06-10 by J.C. Wren
I like ProComm better. I dunno what kind of black mail Hilgraeve has on Gates to get them to continue to ship that piece of junk. I deal with a number of
Re: IAR Workbench Newbie
2004-06-10 by embeddedjanitor
... Worse still, MS though Hyperterm is so good they chose to bundle it. Thanx for the realterm ref, I m swapping today! -- Charles
Re: Strange SPI behavior and slow gpio
2004-06-10 by embeddedjanitor
Is your VPB clocking set to 1:1? I find that the GPIO gives me what I would expect (ie correct mark/space ratio), though yes it is slow. The maximum I ve been
Re: Strange SPI behavior and slow gpio
2004-06-09 by rkdwork
Hi Andreas, I did as you suggested and the SPI works correctly at much higher speeds. Thank for your help. This still leaves me with the problem of a chip
Re: IAR vs. KEIL
2004-06-09 by johnnorgaard2003
Hi I have tried IAR and CrossWorks. Both good compilers, but IAR still have problems with debugging code in Flash by using JTAG. Debugging with code downloaded
Re: Strange SPI behavior and slow gpio
2004-06-09 by haack0815
Hi Bob, the maximum SCLK of the SPI Interface is 1/8 of pclk. If cclk is 60MHz and pclk = cclk you get a maximum SCLK speed of 7.5 MHz. It seems that your cclk
Re: [lpc2000] Re: IAR Workbench Newbie
2004-06-09 by Matt Pobursky
... Actually, Microsoft *didn t* write Hyperterminal -- Hilgraeve did. http://www.hilgraeve.com/htpe/ But I agree, Hyperterminal is one of the worst terminal
Re: IAR vs. KEIL
2004-06-09 by embyy27
A couple of the other guys here have used IAR tools for the Atmel MegaAVR and have been happy with it. What type of bad experiences have you had. Based on
Strange SPI behavior and slow gpio
2004-06-09 by rkdwork
Hi, I have been developing software to perform SPI transfers. I am using a logic analyzer to examine the SCLK, MOSI, MISO and gpio signals. The board I am
IAR vs. KEIL
2004-06-09 by carlg85001
I am contemplating using the Phillips LPC21xx series chip in a new design and was looking for some feedback on tools. I ve had a few bad experiences with the
Re: IAR Workbench Newbie
2004-06-09 by leon_heller
... Are you sure the problem is with the 2129? It could be down to Hyperterminal. It was written by Microsoft, after all. 8-) I use RealTerm:
Re: [lpc2000] LCD Display
2004-06-09 by David Willmore
... When I was looking for one, I gave up trying to find a stateside suppliers and I went with a place called Profacia in the UK. They ship to the US and take
Re: IAR Workbench Newbie
2004-06-08 by Leighton Rowe
Thanks leon The example UART code has some good helpful concepts that s easy to implement. Currently I m playing with UART ISRs to create a simple monitor
Re: [lpc2000] LCD Display
2004-06-08 by Shannon Holland
... Another company to try is www.optrex.com. They have a bunch of screens, some of the small ones (128x64) are nice as they can be interfaced over serial or
Re: External Interrupt
2004-06-08 by Rodrigo Cesar da Silva Martins
I ve found it!!!it was the VICVectAddr...this should be cleared in the end of the ISR...I cleared it in after the all the setup code and it worked!!! Thanks so
RE: [lpc2000] problems with pathfinder
2004-06-08 by Hugh O'Keeffe
Hi Shane, Are you using the Ashling FlashISP utility or the flash programming built in to PathFinder (File|Flash)?. Either method should be solid, just ensure
Re: [lpc2000] LCD Display
2004-06-08 by Leon Heller
... From: javaguy11111 To: Sent: Tuesday, June 08, 2004 5:45 AM Subject: [lpc2000] LCD Display ... I ve
RE: [lpc2000] LCD Display
2004-06-08 by Milos Prokic
Try www.crystalfontz.com . they have relatively good displays . I ve used some of them (128x64 mono with TS and BL). they seem
LCD Display
2004-06-08 by javaguy11111
I have a small LPC2119 board I have just built and would like to interface a small LCD display to it. I have seen the Nokia 3310 referenced. This seems to be a
Re: External Interrupt
2004-06-07 by mjbcswitzerland
Hi Did you solve your problem with ext. ints? Below is an extract of code which works (assuming defines are understood). Application calls
Re: [lpc2000] Re: External Interrupt
2004-06-07 by Robert Adsett
... Program Status register bit 7 (should be clear to enable interrupts), bit 6 is for FIQs. Robert Freedom has no meaning of itself. There are always
Re: [lpc2000] Re: External Interrupt
2004-06-07 by Robert Adsett
... Unless, of course you have to go back to the definition to figure out if the bits are numbered starting at 0 or at 1 :) ... OK, that explains the EXTMODE
Re: External Interrupt
2004-06-07 by Rodrigo Cesar da Silva Martins
Sorry for the SETBITS....they are defines. SETBIT1=0x02 and SETBIT15=0x8000 (as you said) (try to remember what number have to be ORed with your register just
Re: [lpc2000] Re: External Interrupt
2004-06-07 by Robert Adsett
... That s what I was referring to. I just want to verify. Lets take a closer look. ... Every time It s bitten me I ve found I would have saved much more
Re: External Interrupt
2004-06-07 by Rodrigo Cesar da Silva Martins
I m using the BlinkIRQ startup example. One line of the file is: LDR PC, [PC, #-0x0FF0] /* Vector from VicVectAddr */ this is the address 0x18...Well
Re: [lpc2000] External Interrupt
2004-06-07 by Robert Adsett
... It doesn t look like you set up the actual interrupt vector anywhere. You have to set up the base level interrupt routine which reads the interrupt vector
External Interrupt
2004-06-07 by Rodrigo Cesar da Silva Martins
Thanks for the help...My problem was that i didn t wait for SPIF while i m receiving...so stupid!!! But now I m stuck in the RDY signal. I m supposed to use it
Re: [lpc2000] SPI
2004-06-07 by Shannon Holland
... With SPI the transmit and receive register are the same - bits are shifted out on transmit as they are shifted in on receive. So, to keep MOSI low while
RE: [lpc2000] SPI
2004-06-07 by Milos Prokic
That is usually the case. In order to read a byte from a slave register you must transmit a dummy byte from the master. By putting 0x00 in the SPI data
SPI
2004-06-07 by Rodrigo
I m trying to communicate with a AD converter through a SPI interface. In the AD datasheet, it s said that I need to have DIN line (from AD) in low level when
Re: [lpc2000] decent reset device
2004-06-06 by Robert Wood
... device that they have used. MAXIM do some good ones but their lead time can be very long.
Re: [lpc2000] decent reset device
2004-06-06 by Shannon Holland
The Microchip MCP120T is really easy to use. digikey has them in stock, they have an open drain reset output so they are really easy to interface to existing
decent reset device
2004-06-06 by itsjustimpossible
Hi We have just received the IAR LPC2106 eval board, and are having trouble with power-up resets. I am using the NOHAU PSU that came with our other eval board
Re: Gnuarm Problems
2004-06-06 by bwende1
I think it works now. I used the boot.s from the example and now my led is blinking ;-). Thanks for your help