C++ (Cpp) print_general_help Examples

Example #1

File: controller.c Project: CNCBASHER/TinyG

static uint8_t _dispatch()
{
	uint8_t status;

	// read input line or return if not a completed line
	// xio_gets() is a non-blocking workalike of fgets()
	if ((status = xio_gets(tg.src, tg.in_buf, sizeof(tg.in_buf))) != TG_OK) {
		if (status == TG_EOF) {					// EOF can come from file devices only
			fprintf_P(stderr, PSTR("End of command file\n"));
			tg_reset_source();					// reset to default source
		}
		// Note that TG_EAGAIN, TG_NOOP etc. will just flow through
		return (status);
	}
	tg.linelen = strlen(tg.in_buf)+1;
	strncpy(tg.saved_buf, tg.in_buf, SAVED_BUFFER_LEN-1);	// save input buffer for reporting

	// dispatch the new text line
	switch (toupper(tg.in_buf[0])) {

		case NUL: { 							// blank line (just a CR)
			if (cfg.comm_mode != JSON_MODE) {
				tg_text_response(TG_OK, tg.saved_buf);
			}
			break;
		}
		case 'H': { 							// intercept help screens
			cfg.comm_mode = TEXT_MODE;
			print_general_help();
			tg_text_response(TG_OK, tg.in_buf);
			break;
		}
		case '$': case '?':{ 					// text-mode configs
			cfg.comm_mode = TEXT_MODE;
			tg_text_response(cfg_text_parser(tg.in_buf), tg.saved_buf);
			break;
		}
		case '{': { 							// JSON input
			cfg.comm_mode = JSON_MODE;
			js_json_parser(tg.in_buf);
			break;
		}
		default: {								// anything else must be Gcode
			if (cfg.comm_mode == JSON_MODE) {
				strncpy(tg.out_buf, tg.in_buf, INPUT_BUFFER_LEN -8);	// use out_buf as temp
				sprintf(tg.in_buf,"{\"gc\":\"%s\"}\n", tg.out_buf);		// '-8' is used for JSON chars
				js_json_parser(tg.in_buf);
			} else {
				tg_text_response(gc_gcode_parser(tg.in_buf), tg.saved_buf);
			}
		}
	}
	return (TG_OK);
}

Example #2

File: controller.c Project: ADTL/TinyG

static stat_t _dispatch()
{
	uint8_t status;

	// read input line or return if not a completed line
	// xio_gets() is a non-blocking workalike of fgets()
	while (true) {
		if ((status = xio_gets(tg.primary_src, tg.in_buf, sizeof(tg.in_buf))) == STAT_OK) {
			tg.bufp = tg.in_buf;
			break;
		}
		// handle end-of-file from file devices
		if (status == STAT_EOF) {					// EOF can come from file devices only
			if (cfg.comm_mode == TEXT_MODE) {
				fprintf_P(stderr, PSTR("End of command file\n"));
			} else {
				rpt_exception(STAT_EOF, 0);		// not really an exception
			}
			tg_reset_source();					// reset to default source
		}
		return (status);						// Note: STAT_EAGAIN, errors, etc. will drop through
	}
	tg.linelen = strlen(tg.in_buf)+1;					// linelen only tracks primary input
	strncpy(tg.saved_buf, tg.bufp, SAVED_BUFFER_LEN-1);	// save input buffer for reporting

	// dispatch the new text line
	switch (toupper(*tg.bufp)) {				// first char

//		case '!': { cm_request_feedhold(); break; }		// include for diagnostics
//		case '@': { cm_request_queue_flush(); break; }
//		case '~': { cm_request_cycle_start(); break; }

		case NUL: { 							// blank line (just a CR)
			if (cfg.comm_mode != JSON_MODE) {
				tg_text_response(STAT_OK, tg.saved_buf);
			}
			break;
		}
		case 'H': { 							// intercept help screens
			cfg.comm_mode = TEXT_MODE;
			print_general_help();
			tg_text_response(STAT_OK, tg.bufp);
			break;
		}
		case '$': case '?':{ 					// text-mode configs
			cfg.comm_mode = TEXT_MODE;
			tg_text_response(cfg_text_parser(tg.bufp), tg.saved_buf);
			break;
		}
		case '{': { 							// JSON input
			cfg.comm_mode = JSON_MODE;
			js_json_parser(tg.bufp);
			break;
		}
		default: {								// anything else must be Gcode
			if (cfg.comm_mode == JSON_MODE) {
				strncpy(tg.out_buf, tg.bufp, INPUT_BUFFER_LEN -8);	// use out_buf as temp
				sprintf(tg.bufp,"{\"gc\":\"%s\"}\n", tg.out_buf);
				js_json_parser(tg.bufp);
			} else {
				tg_text_response(gc_gcode_parser(tg.bufp), tg.saved_buf);
			}
		}
	}
	return (STAT_OK);
}