Re: [lpc2000] GPIO problem on Ashling EVBA7 LPC2106
2005-10-23 by Michael Anburaj
Teera, I am using almost all the GPIO pins on my LPC2106 board for driving CS8900A (at high speed). When doing this exercise I learnt an important thing about
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Re: GPIO problem on Ashling EVBA7 LPC2106
2005-10-22 by Mark Butcher
Hi Teera If you are using the main JTAG 1 for debugging (DBGSEL = 1 at reset) the ports P0.17..P.31 are not available for use as general purpose ports - they
Re: GPIO problem on Ashling EVBA7 LPC2106
2005-10-22 by rtstofer
... pins ... the ... NUTS! There is no way it should be the same pattern as ~P15. In fact, I don t even want to go there. Just create a proper bit pattern
Re: GPIO problem on Ashling EVBA7 LPC2106
2005-10-22 by rtstofer
... (LPC2106). I ... input/output. I ... which ... work. I ... I m not really a fan of PINSELx &= ~PIN# - I can t see the bit pattern and I doubt that it
Re: [lpc2000] Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by FreeRTOS Info
... If you are using the uIP Rowley demo, then I have only provided a THUMB debug sample project (the docs say only to use this configuration). The FreeRTOS
Re: [lpc2000] Re: Who Help me ??!!
2005-10-22 by Richard Duits
I assumed you wired the RAMs as follows: RAM:OE
Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by rseku
I am using Crossworks for ARM 1.5. I think now, there are some project settings, which change code. Strange is that project compiles only for Thumb mode.
GPIO problem on Ashling EVBA7 LPC2106
2005-10-22 by tphatrapornnant
Hi all, I m using Ashling EVBA7 Philips LPC2100 Evaluation board (LPC2106). I got a problem about using GPIO P0.16-P0.31 as general input/output. I set some of
Re: Who Help me ??!!
2005-10-22 by Zdravko
Hi, I have a board with LPC2214 and BS616LV1622(55 ns) to bank 1, connected as per User Manual page 45, fig 8,a). BS616LV1622 is configured in 16 bit mode. I
Re: Who Help me ??!!
2005-10-22 by yodathgreat
Hi, No problem, http://www.samsung.com/Products/Semiconductor/SRAM/LowPower/LowPower_n_LowVoltage/1Mbit/K6F1008V2C/K6F1008V2C.htm best regards
Re: [lpc2000] Who Help me ??!!
2005-10-22 by Richard Duits
I tried to find the K6F1008V2V with google, but did not find it. Do you have a link to a datasheet for this part? Richard.
Who Help me ??!!
2005-10-22 by yodathgreat
Hi all, I use a LPC2214. In External SRAM, I have two K6F1008V2V-LF55. (55 ns) (Configured in 16 Bit). My Quartz is 14.7456 MHZ. (PLL*4) Which configuration do
Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by Guillermo Prandi
... return ... Oh, I see... 60 = 15 (registers) x 4 (bytes per register). Thanks, Richard.
Re: [lpc2000] Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by FreeRTOS Info
... The scheduler code always runs in Supervisor mode (the tasks in System mode). The processor must therefore be in Supervisor mode when
Re: [lpc2000] Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by FreeRTOS Info
... The stack frame is always the same, and this is the offset to the return address once the context has been restored. Regards, Richard.
Re: [lpc2000] Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by Tom Walsh
... You re correct, it is the Link Register (stack). TomW ... -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,
Re: [lpc2000] Migrating from 2106 to 2138
2005-10-22 by Tom Walsh
... Device Registers are greatly different in some cases. The SPI is capable of sending more bytes per transfer and has a lot more settings. You ll probably
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2005-10-22 by vicky gosar
Note: forwarded message attached. ... Yahoo! India Matrimony: Find your partner online. [Non-text portions of this message have been removed]
Re: [lpc2000] Migrating from 2106 to 2138
2005-10-22 by Michael Anburaj
http://www.geocities.com/michaelanburaj/downloads/lpc_1.00.zip includes a ROM monitor image -- the same binary runs fine on both 210x & 213x --except for
Migrating from 2106 to 2138
2005-10-22 by rtstofer
Other than changing the device header file, am I going to get any big surprises moving up to a more capable chip? Yes, less RAM but that isn t important. Nor
Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by rtstofer
... all ... When I see that kind of code it makes me think of an execution stack frame. Find the way back to the previous frame by using an offset to the
Re: FREERTOS problem on gcc and LPC2138
2005-10-22 by Guillermo Prandi
I wonder... what does this instruction aim for?: asm volatile ( LDR LR, [LR, #+60] ); What is LR+60 pointing to? Why 60? Why not 56 or 64? Guille PS: Oh my
Re: LPC2106, SPI and SSEL
2005-10-21 by rtstofer
Thanks to all! OK, I ll just muddle through and pull SSEL high. When I get a little further along I ll just move up to the LPC2138. No big deal. Richard
Re: LPC2106, SPI and SSEL
2005-10-21 by Mark Butcher
Hi Richard In the future maybe but the present chip has a bug and the SPI only works if SSEL is configured for SPI use and pulled high. After working that out
Re: [lpc2000] LPC2106, SPI and SSEL
2005-10-21 by Bill Knight
Not on a 2106 though some of the newer parts are suppose to have rectified this. -Bill Knight R O SoftWare & http://www.theARMPatch.com
RE: [lpc2000] LPC2106, SPI and SSEL
2005-10-21 by Dan Beadle
NO. _____ From: lpc2000@yahoogroups.com [mailto:lpc2000@yahoogroups.com] On Behalf Of rtstofer Sent: Friday, October 21, 2005 1:17 PM To:
LPC2106, SPI and SSEL
2005-10-21 by rtstofer
Can I leave P0.7 as GPIO and ignore SSEL while using the SPI as a master device only? I am seriously short of pins! Richard
Re: [lpc2000] FREERTOS problem on gcc and LPC2138
2005-10-21 by FreeRTOS Info
... In this case the translation is correct, and equivalent. Which version of GCC are you using? If this part of the code is not working then the most
Re: [lpc2000] Cygwin / Gnude / gcc compile problems
2005-10-21 by Michael Anburaj
Neal, Dont know about Gnude. But, if you are looking for gcc environment + simple programs.. try this,
FREERTOS problem on gcc and LPC2138
2005-10-21 by rseku
I found, that asm instructions in freertos are not compiled as exactly as should be. As a result of execution of below code I get data_abort exception First I
Re: External clock on LPC2131
2005-10-21 by drb5599
Hi Marcio, Yes, that mode of operation is supported. I have been running a LPC2131 with an external 12.288MHz clock that is buffered and feeds everything on
Re: [lpc2000] Cygwin / Gnude / gcc compile problems
2005-10-21 by FreeRTOS Info
... Not familiar with gnude, but the command is most probably of the format arm-elf-gcc, not just gcc. ... Almost definitely. ... Almost
RE: [lpc2000] Cygwin / Gnude / gcc compile problems
2005-10-21 by Michael Rubitschka
Hi Nealbrains You need of course a path to your cygwin/bin directory. You can try to launch make from commandline to find out if it is recogniced. Cheers
Re: [lpc2000] Cygwin / Gnude / gcc compile problems
2005-10-21 by Mukadder Ceyhan
Maybe the main problem of this is due to the global system variables that should be defined on XP machine.such as:
Cygwin / Gnude / gcc compile problems
2005-10-21 by nealbrains
software: cygwin (on XP) Gnude Microcontroller: LPC2131 (new micros devboard) I am starting out with microcontrollers and am trying to get a simple helloworld
External clock on LPC2131
2005-10-21 by atmelbr
Hi all, If I put an external clock on XTAL1 input (instead of quartz crystal) everything will run ok ? I can´t find the answer on datasheet. Thanks, Marcio
Re: fiq external interrupt example
2005-10-21 by Karl Olsen
... In a project (gcc 3.4) I use both a FIQ and an IRQ. In main(): /* Timer 0 is a 5000 Hz timer interrupt using FIQ. */ SYS- PCONP |= (1
fiq external interrupt example
2005-10-21 by bell_c_d
Can anyone point me to some working fiq sample code? Preferably using an external interrupt but any interrupt will probably do. My fiq interrupt handler
Re: [lpc2000] Cheap and good USB stack ?
2005-10-21 by Joel Winarske
... Almost forgot, there is USB Bulk code for the ST ARM7 in their support forum.
Re: [lpc2000] Cheap and good USB stack ?
2005-10-21 by Joel Winarske
http://www.segger.com/usb_msd.html http://www.segger.com/usb_bulk_stack.html http://www.micrium.com/contents/products/USB/USB.html The last two are the same I
Cheap and good USB stack ?
2005-10-21 by donwillwonthe
Does any body know of - and can recommend, a cheap good USB stack with a small code size ? The cheapest I have been offered is $4K (!!) and 4K code size. Much
Re: UART Baudrate Tool uploaded
2005-10-21 by lpc2100_fan
Radim, the major difference is that you don t need to use a 14.756 MHz any more to get to a 115200 (or for that matter any standard baudrate). The fractional
Re: [lpc2000] Re: UART Baudrate Tool uploaded
2005-10-20 by Joel Winarske
... Yes, mine is solely for calculating the optimal values for a UART that implements a fractional divider. Which currently addresses the LPC214x series.
Re: [lpc2000] Re: External clock on LPC2131
2005-10-20 by Alex_Rambler
Hi Dave B Why do you use 12.288MHz clock? Do you connect audio codec to LPC2131? d Hi Marcio, d Yes, that mode of operation is supported. I have been
Re: [lpc2000] UART Baudrate Tool uploaded
2005-10-20 by Joel Winarske
I changed the name of this to LPC2000 UART Fractional Divider Calculator . http://groups.yahoo.com/group/lpc2000/files/Tools/lpc2fdcalc.exe As far as I have
Re: UART Baudrate Tool uploaded
2005-10-20 by radim100
... optimum register ... not. If so ... rate is ... (MulVal+DivAddVal)) ... (MulVal+DivAddVal)) ... with ... optimized ...
UART Baudrate Tool uploaded
2005-10-20 by Joel Winarske
I just posted a simple Win32 cmd line tool to calculate the optimum register settings for a LPC214x UART peripheral. I am not aware if all the LPC2k UART
New file uploaded to lpc2000
2005-10-20 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 :
Re: [lpc2000] Re: Problems with sting constants and gcc -On (OT)
2005-10-20 by Robert Adsett
... Obviously coined by someone who d never worked with APL :) Robert Freedom has no meaning of itself. There are always restrictions, be they legal,
Re: [lpc2000] External watchdog and flash loader
2005-10-20 by Tom Walsh
... I was going to offer the Faraday Shield as a solution.... heh TomW -- Tom Walsh - WN3L - Embedded Systems Consultant http://openhardware.net,