Avoid the usage of %hhx (PRIu8)
Avoid the usage of %hhx (PRIu8)

PRIu8 and a few other C99 printf specifiers are not supported
by the new and MUCH improved newlib nano.

GomSpace/libcsp,GomSpace/libcsp,satlab/libcsp,satlab/libcsp,satlab/libcsp,libcsp/libcsp,GomSpace/libcsp,libcsp/libcsp