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M29 match logic was reversed (#13013)

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* M29 logic was reversed 

If in card-saving mode generate errors line errors for anything that's *NOT* "M29 ?"

* Update queue.cpp

* Update queue.cpp
This commit is contained in:
Scott Lahteine 2019-02-04 07:23:42 -06:00 committed by GitHub
commit 1497fb388a
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1 changed files with 7 additions and 2 deletions
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Marlin/src/gcode/queue.cpp
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@ -536,6 +536,10 @@ void gcode_line_error(PGM_P err, uint8_t port) {
#endif // FAST_FILE_TRANSFER
FORCE_INLINE bool is_M29(const char * const cmd) {
return cmd[0] == 'M' && cmd[1] == '2' && cmd[2] == '9' && !WITHIN(cmd[3], '0', '9');
}
/**
* Get all commands waiting on the serial port and queue them.
* Exit when the buffer is full or when no more characters are
@ -631,7 +635,8 @@ inline void get_serial_commands() {
gcode_LastN = gcode_N;
}
#if ENABLED(SDSUPPORT)
else if (card.flag.saving && command[0] == 'M' && command[1] == '2' && command[2] == '9' && (command[3] == '\0' || command[3] == ' '))
// Pronterface "M29" and "M29 " has no line number
else if (card.flag.saving && !is_M29(command))
return gcode_line_error(PSTR(MSG_ERR_NO_CHECKSUM), i);
#endif
@ -840,7 +845,7 @@ void advance_command_queue() {
if (card.flag.saving) {
char* command = command_queue[cmd_queue_index_r];
if (command[0] == 'M' && command[1] == '2' && command[2] == '9' && (command[3] == '\0' || command[3] == ' ')) {
if (is_M29(command)) {
// M29 closes the file
card.closefile();
SERIAL_ECHOLNPGM(MSG_FILE_SAVED);