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Code Issues Releases Wiki Activity

Fix jumping progress bar. (#11438)

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- When `LCD_SET_PROGRESS_MANUALLY` was disabled and an SD print was not active (i.e. the printer was idle), progress_bar_percent would read uninitialized memory from stack and cause progress bar to jump wildly.
- Also updated conditions in `#ifdef` to match `ultralcd.cpp`
This commit is contained in:
Marcio Teixeira 2018-08-03 16:16:14 -06:00 committed by Scott Lahteine
parent 7d491aa015
commit fae96a6a13
1 changed files with 2 additions and 2 deletions
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4
Marlin/status_screen_lite_ST7920.h
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@ -877,11 +877,11 @@ void ST7920_Lite_Status_Screen::update_status_or_position(bool forceUpdate) {
void ST7920_Lite_Status_Screen::update_progress(const bool forceUpdate) {
#if DISABLED(LCD_SET_PROGRESS_MANUALLY)
uint8_t progress_bar_percent;
uint8_t progress_bar_percent = 0;
#endif
// Set current percentage from SD when actively printing
#if ENABLED(SDSUPPORT)
#if ENABLED(LCD_SET_PROGRESS_MANUALLY) && ENABLED(SDSUPPORT) && (ENABLED(LCD_PROGRESS_BAR) || ENABLED(DOGLCD))
if (IS_SD_PRINTING) progress_bar_percent = card.percentDone();
#endif