from esp32_apptrace.c:506
#define ESP32_APPTRACE_CMD_NUM_ARG_CHECK(_cmd_, _arg_, _start_, _end_) \
do { \
if ((_arg_) == 0 && (_start_) == (_end_)) { \
command_print(_cmd_, "Invalid '" # _arg_ "' arg!"); \
return; \
} \
} while (0)