my interest is into embeded sytem programming.i am currently working over a ARM controller.
i wish to know how do i go about programming for a keyboard and then display the result on LEDS.i wish to use a 4*4 matrix keyboard numbered as 0 to F in hex.(0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F).thus i would require 4 leds for display if i display in binary form or 8 LEDS if in BCD form
i need to use C language for the same.the software im using is KEIL.
will i need to perform hex to binary or hex to BCD conversion?please guide me through the programming steps.

 

Hi Gayatri,

Did you need exact program for ARM in Keil or Programming steps will do???

 

i would want the program please

 

yes the program please

 

please can you guide me through that program as soon as possible