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 '$': case '?':{ // text-mode configs
cfg.comm_mode = TEXT_MODE;
tg_text_response(cfg_text_parser(tg.in_buf), tg.saved_buf);
break;
}
case '{': { // JSON input
cfg.comm_mode = JSON_MODE;
js_json_parser(tg.in_buf);
break;
}
default: { // anything else must be Gcode
if (cfg.comm_mode == JSON_MODE) {
strncpy(tg.out_buf, tg.in_buf, INPUT_BUFFER_LEN -8); // use out_buf as temp
sprintf(tg.in_buf,"{\"gc\":\"%s\"}\n", tg.out_buf); // '-8' is used for JSON chars
js_json_parser(tg.in_buf);
} else {
tg_text_response(gc_gcode_parser(tg.in_buf), tg.saved_buf);
}
}
}
return (TG_OK);
}
static stat_t _dispatch()
{
uint8_t status;
// read input line or return if not a completed line
// xio_gets() is a non-blocking workalike of fgets()
while (true) {
if ((status = xio_gets(tg.primary_src, tg.in_buf, sizeof(tg.in_buf))) == STAT_OK) {
tg.bufp = tg.in_buf;
break;
}
// handle end-of-file from file devices
if (status == STAT_EOF) { // EOF can come from file devices only
if (cfg.comm_mode == TEXT_MODE) {
fprintf_P(stderr, PSTR("End of command file\n"));
} else {
rpt_exception(STAT_EOF, 0); // not really an exception
}
tg_reset_source(); // reset to default source
}
return (status); // Note: STAT_EAGAIN, errors, etc. will drop through
}
tg.linelen = strlen(tg.in_buf)+1; // linelen only tracks primary input
strncpy(tg.saved_buf, tg.bufp, SAVED_BUFFER_LEN-1); // save input buffer for reporting
// dispatch the new text line
switch (toupper(*tg.bufp)) { // first char
// case '!': { cm_request_feedhold(); break; } // include for diagnostics
// case '@': { cm_request_queue_flush(); break; }
// case '~': { cm_request_cycle_start(); break; }
case NUL: { // blank line (just a CR)
if (cfg.comm_mode != JSON_MODE) {
tg_text_response(STAT_OK, tg.saved_buf);
}
break;
}
case 'H': { // intercept help screens
cfg.comm_mode = TEXT_MODE;
print_general_help();
tg_text_response(STAT_OK, tg.bufp);
break;
}
case '$': 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);
}