utils_custom.h

just uploading the file to get a new downlad for AD7843

#ifndef _UTILS_CUSTOM_H_
#define _UTILS_CUSTOM_H_

char hextable(x8 hex);
char to_upper(char c);
x8 check_A_Z(char c);
x8 check_0_9(char c);
x8 check_0_F(char c);
x8 num_buf[3];

#endif