#ifndef __MATH_HELPER_H__
#define __MATH_HELPER_H__

unsigned short mh_hex_to_ascii(unsigned char dat);
unsigned char mh_ascii_to_hex(char ascii);
unsigned char mh_lrc_calc(unsigned char *dat, int length);
unsigned short mh_crc16_calc(unsigned char *dat, int length);
unsigned char mh_crc8_calc(unsigned char * dat, int length);

#endif