void cli_putstr(char* s);
void cli_putstr_P(PGM_P s);
void cli_hexdump(void* data, uint16_t length);
+void cli_hexdump_rev(void* data, uint16_t length);
void cli_hexdump2(void* data, uint16_t length);
void echo_ctrl(char* s);
int8_t cmd_interface(PGM_VOID_P cmd_desc);