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Improved LCD contrast handling

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Based on MarlinFirmware/MarlinDev#200 from @eboston
This commit is contained in:
Scott Lahteine
2016-06-02 14:34:51 -07:00
parent b703fa9538
commit efa7209acf
4 changed files with 26 additions and 19 deletions
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Marlin/ultralcd.h
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@ -53,7 +53,7 @@
#if ENABLED(DOGLCD)
extern int lcd_contrast;
void lcd_setcontrast(uint8_t value);
void set_lcd_contrast(int value);
#endif
#define LCD_MESSAGEPGM(x) lcd_setstatuspgm(PSTR(x))