uint8_t cli_getsn_cecho(char* s, uint16_t n);
void cli_putstr(const char* s);
void cli_putstr_P(PGM_P s);
+void cli_hexdump_byte(uint8_t byte);
void cli_hexdump(const void* data, uint16_t length);
void cli_hexdump_rev(const void* data, uint16_t length);
void cli_hexdump2(const void* data, uint16_t length);