SunRed/Marlin-Artillery-M600
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Skip SD menu refresh if nothing has changed

Browse source
This commit is contained in:
Brendan-csel 2013-07-29 21:00:29 +12:00
parent be2dea1dc6
commit d80aecda0a
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Marlin/ultralcd.cpp
View file

@ -675,6 +675,8 @@ static void lcd_sd_updir()
void lcd_sdcard_menu()
{
if (lcdDrawUpdate == 0 && LCD_CLICKED == 0)
return; // nothing to do (so don't thrash the SD card)
uint16_t fileCnt = card.getnrfilenames();
START_MENU();
MENU_ITEM(back, MSG_MAIN, lcd_main_menu);