Finding a bit value ?

6 views (last 30 days)
Aleksander
Aleksander on 22 May 2013
Hi. I have a value like a = 10101 this would change after how my program is run, but i will always use 0 or 1. so i consider this binary. now i would like to get the status of bit 5 i.e the first number (closest to the equal sign).
note!: the intention is to have the binary row decied which buttons are displayed in a gui.
this is what i have come up with
%code
for i = 0:4
count = i+1
if (bitget(main_sel2, count)==1)
set(handles.(sprintf('but%d', count))(:),'Visible','on');
else
set(handles.(sprintf('but%d', count))(:),'Visible','off');
end
end

Answers (1)

Matt J
Matt J on 22 May 2013
Edited: Matt J on 22 May 2013
One way,
>> bits=fliplr(num2str(a)-'0'); bits(5)
ans =
1
  4 Comments
Aleksander
Aleksander on 25 May 2013
Thanks, i tested it now and looks to work as i want :) Sine i am a nub can you try to enlighten me how fliplr actualy dose This ? Thanks.
Matt J
Matt J on 25 May 2013
FLIPLR isn't doing anything significant. You posted that you want the indexing order of the bits to run from right to left (bit #5 is the leftmost bit). If you omit FLIPLR, you will be reading from left to right instead.

Sign in to comment.

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!