hex « char « C Array Q&A

1. Hex to char array in C    stackoverflow.com

Given a string of hex values i.e. e.g. "0011223344" so that's 0x00, 0x11 etc. How do I add these values to a char array? Equivalent to say: char array[4] = { 0x00, 0x11 ...

2. Convert hex values to char array in C    stackoverflow.com

I'm trying to implement a function which returns a string of hex values. I print the hex values out using this function:

void print_hex(unsigned char *hash, const hashid type) {

   ...

3. Converting a character array to single hex value    bytes.com

So i have a tachometer that I can communicated with via UART which gives me a character array of ascii values in the following form: Standard ascii 7 characters including decimal point such that the array when printed would equal the rpm value ie 2031.00 rpm = [ '2','0','3','1','.','0','0' ] I've been rummaging everywhere and can't find anything to tackle this. ...

4. Hex digits stored in char array.    cboard.cprogramming.com

well i did something like that a while ago, although i was in a hurry so my method probably isnt the fastest/most efficient. i used a script to generate 0x00 thru 0xff and used a lookup table to convert a string of hex values (e.g. "AA BB CC") to the char array equiv (char cTemp = {0xaa, 0xbb, 0xcc} heres the ...

5. fill unsigned char array with hex values    cboard.cprogramming.com

im trying to fill an unsigned char array with hex values (0x12 0x23 etc) read in from a text file, i have searched this forum, but not found exactly what i need and my limited knowledge prevents me from adapting the code snippets i found to my needs. the code snippet i have is as follows, i am not posting the ...

6. How to define hex character array in C?    daniweb.com

#include #include // The number of columns comprising a state in AES. This is a constant in AES. Value=4 #define Nb 4 // The number of rounds in AES Cipher. It is simply initiated to zero. The actual value is recieved in the program. int Nr=0; // The number of 32 bit words in the key. It is simply initiated to ...