📌 LCD_FOR_MELZI for BTT E3 RRF (#23453)
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@ -197,11 +197,11 @@
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#if HAS_WIRED_LCD
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#if HAS_WIRED_LCD
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#if ENABLED(CR10_STOCKDISPLAY)
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#if EITHER(CR10_STOCKDISPLAY, LCD_FOR_MELZI)
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#define BEEPER_PIN PE8
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#define BEEPER_PIN PE8
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#define BTN_ENC PE9
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#define BTN_ENC PE9
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#define BTN_EN1 PE7
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#define BTN_EN1 PE7
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#define BTN_EN2 PB2
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#define BTN_EN2 PB2
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@ -209,6 +209,40 @@
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#define LCD_PINS_ENABLE PE11
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#define LCD_PINS_ENABLE PE11
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#define LCD_PINS_D4 PE10
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#define LCD_PINS_D4 PE10
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#if ENABLED(LCD_FOR_MELZI)
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#error "CAUTION! LCD_FOR_MELZI requires wiring modifications. See 'pins_BTT_E3_RRF.h' for details. Comment out this line to continue."
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/** LCD_FOR_MELZI display pinout
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*
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* BTT E3 RRF Display Ribbon
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* ------ ------
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* (BEEPER) PE8 |10 9 | PE9 (BTN_ENC) GND |10 9 | 5V
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* (BTN_EN1) PE7 | 8 7 | RESET BEEPER | 8 7 | ESTOP (RESET)
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* (BTN_EN2) PB2 6 5 | PE10 (LCD_D4) (BTN_ENC) ENC_BTN | 6 5 | LCD_SCLK (LCD_D4)
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* (LCD_RS) PB1 | 4 3 | PE11 (LCD_EN) (BTN_EN2) ENC_A | 4 3 | LCD_DATA (LCD_EN)
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* GND | 2 1 | 5V (BTN_EN1) ENC_B | 2 1 | LCD_CS (LCD_RS)
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* ------ ------
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* EXP1 Ribbon
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*
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* Needs custom cable:
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*
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* Board Adapter Display Ribbon (coming from display)
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*
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* EXP1-1 ----------- EXP1-9
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* EXP1-2 ----------- EXP1-10
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* EXP1-3 ----------- EXP1-3
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* EXP1-4 ----------- EXP1-1
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* EXP1-5 ----------- EXP1-5
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* EXP1-6 ----------- EXP1-4
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* EXP1-7 ----------- EXP1-7
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* EXP1-8 ----------- EXP1-8
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* EXP1-9 ----------- EXP1-6
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* EXP1-10 ----------- EXP1-8
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*/
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#endif
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#elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD!
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#elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD!
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#error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_E3_RRF.h' for details. Comment out this line to continue."
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#error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_E3_RRF.h' for details. Comment out this line to continue."
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@ -275,11 +309,15 @@
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#endif
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#endif
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#else
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#else
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#error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, and TFTGLCD_PANEL_(SPI|I2C) are currently supported on the BTT_E3_RRF."
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#error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, LCD_FOR_MELZI, and TFTGLCD_PANEL_(SPI|I2C) are currently supported on the BTT_E3_RRF."
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#endif
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#endif
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// Alter timing for graphical display
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// Alter timing for graphical display
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#if IS_U8GLIB_ST7920
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#if ENABLED(LCD_FOR_MELZI) // LCD_FOR_MELZI default timing is too fast. This works but may be reduced.
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#define BOARD_ST7920_DELAY_1 200
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#define BOARD_ST7920_DELAY_2 400
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#define BOARD_ST7920_DELAY_3 1200
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#elif IS_U8GLIB_ST7920
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#define BOARD_ST7920_DELAY_1 96
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#define BOARD_ST7920_DELAY_1 96
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#define BOARD_ST7920_DELAY_2 48
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#define BOARD_ST7920_DELAY_2 48
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#define BOARD_ST7920_DELAY_3 600
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#define BOARD_ST7920_DELAY_3 600
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@ -306,7 +344,7 @@
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* Needs custom cable:
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* Needs custom cable:
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*
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*
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* Board Adapter Display
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* Board Adapter Display
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* _________
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*
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* EXP1-1 ----------- EXP1-10
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* EXP1-1 ----------- EXP1-10
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* EXP1-2 ----------- EXP1-9
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* EXP1-2 ----------- EXP1-9
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* SPI1-4 ----------- EXP1-6
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* SPI1-4 ----------- EXP1-6
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