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gps

 by naz ¦  Thu Oct 29, 2009 5:03 am ¦  Forum: GPS ¦  Topic: gps ¦  Replies: 3 ¦  Views: 1077

how to take NMEA message from gps to lpc2148.

startup and retarget

 by naz ¦  Wed Oct 28, 2009 4:20 am ¦  Forum: Everything ARM and LPC ¦  Topic: startup and retarget ¦  Replies: 4 ¦  Views: 1274

hello all,
what is the work of startup and retarget files?i'm using keil compiler,without these two files,my code dosen't work.why?

 by naz ¦  Sun Oct 25, 2009 11:15 pm ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

hello all,
i'm using keil evaulation version.is it enough to develop Sd card application,or i have to buy licenesed versiong software.

 by naz ¦  Sat Oct 24, 2009 2:40 am ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

hai all,
i think my code is correct,but it doesn't work.i think we have to add starup and retarget file...is it?

 by naz ¦  Wed Oct 21, 2009 4:20 am ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

Thanks for the kindful reply.i want to initialise the SD card.means first i want to see either my sd card is present or not. #include<LPC214x.h> #include<stdio.h> #define cmd_size 5 #define clk 0x00000800;//p0.11 timer capture #define IN_IDLE_STATE (1<<0) /*waking from idle stage*/ void spi_sd_init(...

 by naz ¦  Tue Oct 13, 2009 2:50 am ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

cfb,

i tried that code,but nothing happened,means i downloaded the hex file to LPC2148,then sd card doesn't detected.

 by naz ¦  Mon Oct 12, 2009 11:51 pm ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

i'm getting confused about sd card,any one can please tell which is the correct way to do my work.currently i did spi initialization only. #define clk 0x00000800;//p0.11 timer capture void spi_sd_init(void); int main() { spi_sd_init(); } void spi_sd_init() { IODIR0=clk;/*direction-11th pin out on PI...

 by naz ¦  Tue Sep 29, 2009 11:42 pm ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

Thank you for reply.

http://www.keil.com/download/list/rl-arm.htm
in this link some demo software is there for SD card ,shall i use it on MCB2140.

SD card

 by naz ¦  Mon Sep 28, 2009 8:55 pm ¦  Forum: Everything ARM and LPC ¦  Topic: SD card ¦  Replies: 13 ¦  Views: 2464

Hai all,
I'm a beginner for ARM.we are planning to write a data on SD card.could u please tell me the procedure and documents for that.I'm using MCB2140.

Thanks
Naz

 by naz ¦  Wed Sep 23, 2009 9:16 pm ¦  Forum: Everything ARM and LPC ¦  Topic: MCB2140 ¦  Replies: 9 ¦  Views: 1754

hai all,
my task is working.i did a mistake in starup.s. file.any one can tell me the details about starup file.

 by naz ¦  Wed Sep 23, 2009 5:01 am ¦  Forum: Everything ARM and LPC ¦  Topic: MCB2140 ¦  Replies: 9 ¦  Views: 1754

my code and example code is same.(means just i copied it in different file name).but my hex file and example hex file is [b]not same why[/b]?.Example hex file is working fine.i'm confused.any one can tell me where i'm doing mistake.

 by naz ¦  Tue Sep 22, 2009 9:50 pm ¦  Forum: Everything ARM and LPC ¦  Topic: MCB2140 ¦  Replies: 9 ¦  Views: 1754

This is the code which i have used #include <LPC21xx.H> void wait (void) { int d; for (d = 0; d < 1000000; d++); } int main (void) { unsigned int i; IODIR1 = 0x00FF0000; while (1) { for (i = 1<<16; i < 1<<23; i <<= 1) { IOSET1 = i; wait (); IOCLR1 = i; } for (i = 1<<23; i > 1<<16; i >>=1 ) { IOSET1 ...

MCB2140

 by naz ¦  Tue Sep 22, 2009 4:45 am ¦  Forum: Everything ARM and LPC ¦  Topic: MCB2140 ¦  Replies: 9 ¦  Views: 1754

Hello all,
i have witten code for blinking the led.In simulation its working fine,but if i load it on lpc2140,all the leds are glowing instead of blinking.Any can give good idea to solve this issue.

by
naz

 by naz ¦  Thu Sep 10, 2009 10:36 pm ¦  Forum: Everything ARM and LPC ¦  Topic: study material ¦  Replies: 3 ¦  Views: 937

i'm using keil compiler,any one can guide me.

study material

 by naz ¦  Wed Sep 09, 2009 10:02 pm ¦  Forum: Everything ARM and LPC ¦  Topic: study material ¦  Replies: 3 ¦  Views: 937

Hello all, i'm new one to ARM field. anyone can tell which book or ebook or website is good for beginner. i want to know from basic programming language in arm like port ininilazation,hearder file, mode selection. i know little bit about therotical knowledge, but i want to implement in program. coul...

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