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Hexadecimal to character Conversion

 
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Kookoo
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Hexadecimal to character Conversion
PostPosted: Tue Jan 24, 2006 3:18 am     Reply with quote
Hello,

is there any function to convert a hexadecimal number to a character ?
Or to convert an ASCII number to a character ?

Many Thanks.
treitmey



Joined: 23 Jan 2004
Posts: 1094
Location: Appleton,WI USA

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PostPosted: Tue Jan 24, 2006 8:59 am     Reply with quote
What do you mean by character?
What are you trying to do. Be specific.
Kasper



Joined: 14 Jan 2004
Posts: 88
Location: Aurora, Ontario, Canada

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PostPosted: Tue Jan 24, 2006 9:46 am     Reply with quote
something more than what the printf function does?
KamPutty
Guest
Re: Hexadecimal to character Conversion
PostPosted: Tue Jan 24, 2006 10:24 am     Reply with quote
Kookoo wrote:
Hello,

is there any function to convert a hexadecimal number to a character ?
Or to convert an ASCII number to a character ?

Many Thanks.


Hi there,

If you mean that you have a value of lets say "0xFF" and you want to print it in hex and not decimal, you do have some options...

use the "%x|X" in printf (can apply to sprintf) etc.

~or~

create an array with the 16 values 0,1,2,3,4...f
then use the high and low nibbles to obtain that value in ascii

char_array[(value&0xf0)>>4] // high character
char_array[(value%0x0f)] // low character

make sense?

~Kam (^8*
KamPutty
Guest
Re: Hexadecimal to character Conversion
PostPosted: Tue Jan 24, 2006 10:26 am     Reply with quote
Kookoo wrote:
Hello,

is there any function to convert a hexadecimal number to a character ?
Or to convert an ASCII number to a character ?

Many Thanks.


Hi there,

If you mean that you have a value of lets say "0xFF" and you want to print it in hex and not decimal, you do have some options...

use the "%x|X" in printf (can apply to sprintf) etc.

~or~

create an array with the 16 values 0,1,2,3,4...f
then use the high and low nibbles to obtain that value in ascii

char_array[(value&0xf0)>>4] // high character
char_array[(value%0x0f)] // low character

make sense?

~Kam (^8*
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