Colony

#include "serial.h"

char helper(char c){

        switch(c){

                case 0x00: return '0';

                case 0x01: return '1';

                case 0x02: return '2';

                case 0x03: return '3';

                case 0x04: return '4';

                case 0x05: return '5';

                case 0x06: return '6';

                case 0x07: return '7';

                case 0x08: return '8';

                case 0x09: return '9';

                case 0x0A: return 'A';

                case 0x0B: return 'B';

                case 0x0C: return 'C';

                case 0x0D: return 'D';

                case 0x0E: return 'E';

                case 0x0F: return 'F';

                default: return '?';

        }

}

void print_hex(char val){

        char hgh = (val & 0xF0) >> 4;

        char low = (val & 0x0F);

        serial1_putchar(helper(hgh));

        serial1_putchar(helper(low));

}