void u8tohex ( uint8_t u8,uint8_t* hex_str )
{
uint8_t hex[16] = { '0', '1', '2', '3', '4', '5', '6', \
'7', '8','9', 'A', 'B', 'C', 'D', 'E', 'F'
};
hex_str[0] = hex[(u8 / 16 )] ;
hex_str[1] = hex[(u8 % 16 )] ;
}
void u8tohex ( uint8_t u8,uint8_t* hex_str )
{
uint8_t hex[16] = { '0', '1', '2', '3', '4', '5', '6', \
'7', '8','9', 'A', 'B', 'C', 'D', 'E', 'F'
};
hex_str[0] = hex[(u8 / 16 )] ;
hex_str[1] = hex[(u8 % 16 )] ;
}