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Hex to Ascii Conversion

 
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chingB



Joined: 29 Dec 2003
Posts: 81

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Hex to Ascii Conversion
PostPosted: Thu Jan 08, 2004 5:36 pm     Reply with quote
Hi

I have an 8bytes data in an array, say array1[8] which contains the ff:
0xF1 0xDD 0x66 0x04 0xA3 0xDE 0x9B 0x0D ---> all in hex

I want to convert this data into ascii as:
F1DD6604A3DE9B0D ---> all in ascii character stored in an array2[16]

Anyone in the community who can provide help, snippet or any info.

Thank u.
Haplo



Joined: 06 Sep 2003
Posts: 659
Location: Sydney, Australia

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PostPosted: Thu Jan 08, 2004 5:50 pm     Reply with quote
The easiest (but not necessarily the most efficient) way that comes to mind is:


Code:


byte I;
char Temp[2],array2[16];

for(I=0;I<8;I++)
{
    sprintf(Temp,"%X",array1[I]);
    Array2[I*2]=Temp[0];
    Array2[I*2+1]=Temp[1];
}

gerryc



Joined: 14 Mar 2004
Posts: 3
Location: Sydney, Australia

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PostPosted: Sun Mar 14, 2004 4:40 am     Reply with quote
Hi,

Code:
const char HEX[] = {0123456789ABCDEF};

char Array1[8], Array2[16];

for(i = 0; i < 8; i++) {
     Array2[i*2] = HEX[Array1[i] >> 4];
     Array2[(i*2)+1] = HEX[Array1[i] & 0x0f];
     }

HTH

Gerry
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