BTT Motor Expansion for SKR Pro (#20123)
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@ -25,6 +25,13 @@
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#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
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#endif
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// BigTreeTech driver expansion module https://bit.ly/3ptRRoj
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//#define BTT_MOTOR_EXPANSION
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#if BOTH(HAS_WIRED_LCD, BTT_MOTOR_EXPANSION)
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#error "It's not possible to have both LCD and motor expansion module on EXP1/EXP2."
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#endif
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// Use one of these or SDCard-based Emulation will be used
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#if NO_EEPROM_SELECTED
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//#define SRAM_EEPROM_EMULATION // Use BackSRAM-based EEPROM emulation
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@ -247,14 +254,43 @@
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#define SDCARD_CONNECTION LCD
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#endif
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/**
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* ----- -----
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* NC | 1 2 | GND 5V | 1 2 | GND
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* RESET | 3 4 | PF12(SD_DETECT) (LCD_D7) PG7 | 3 4 | PG6 (LCD_D6)
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* (MOSI)PB15 | 5 6 PF11(BTN_EN2) (LCD_D5) PG3 | 5 6 PG2 (LCD_D4)
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* (SD_SS)PB12 | 7 8 | PG10(BTN_EN1) (LCD_RS) PD10 | 7 8 | PD11 (LCD_EN)
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* (SCK)PB13 | 9 10| PB14(MISO) (BTN_ENC) PA8 | 9 10| PG4 (BEEPER)
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* ----- -----
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* EXP2 EXP1
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*/
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#define EXPA1_03_PIN PG7
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#define EXPA1_04_PIN PG6
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#define EXPA1_05_PIN PG3
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#define EXPA1_06_PIN PG2
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#define EXPA1_07_PIN PD10
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#define EXPA1_08_PIN PD11
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#define EXPA1_09_PIN PA8
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#define EXPA1_10_PIN PG4
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#define EXPA2_03_PIN -1
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#define EXPA2_04_PIN PF12
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#define EXPA2_05_PIN PB15
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#define EXPA2_06_PIN PF11
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#define EXPA2_07_PIN PB12
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#define EXPA2_08_PIN PG10
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#define EXPA2_09_PIN PB13
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#define EXPA2_10_PIN PB14
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//
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// Onboard SD card
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// Must use soft SPI because Marlin's default hardware SPI is tied to LCD's EXP2
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//
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#if SD_CONNECTION_IS(LCD)
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#define SD_DETECT_PIN PF12
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#define SDSS PB12
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#define SD_DETECT_PIN EXPA2_04_PIN
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#define SDSS EXPA2_07_PIN
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#elif SD_CONNECTION_IS(ONBOARD)
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@ -273,40 +309,76 @@
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#error "CUSTOM_CABLE is not a supported SDCARD_CONNECTION for this board"
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#endif
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#if ENABLED(BTT_MOTOR_EXPANSION)
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/**
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* ----- -----
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* NC | · · | GND 5V | · · | GND
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* RESET | · · | PF12(SD_DETECT) (LCD_D7) PG7 | · · | PG6 (LCD_D6)
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* (MOSI)PB15 | · · | PF11(BTN_EN2) (LCD_D5) PG3 | · · | PG2 (LCD_D4)
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* (SD_SS)PB12 | · · | PG10(BTN_EN1) (LCD_RS) PD10 | · · | PD11 (LCD_EN)
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* (SCK)PB13 | · · | PB14(MISO) (BTN_ENC) PA8 | · · | PG4 (BEEPER)
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* _____ _____
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* NC | · · | GND NC | · · | GND
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* NC | · · | PF12 (M1EN) (M2EN) PG7 | · · | PG6 (M3EN)
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* (M1STP) PB15 | · · PF11 (M1DIR) (M1RX) PG3 | · · PG2 (M1DIAG)
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* (M2DIR) PB12 | · · | PG10 (M2STP) (M2RX) PD10 | · · | PD11 (M2DIAG)
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* (M3DIR) PB13 | · · | PB14 (M3STP) (M3RX) PA8 | · · | PG4 (M3DIAG)
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* ----- -----
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* EXP2 EXP1
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*/
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// M1 on Driver Expansion Module
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#define E3_STEP_PIN EXPA2_05_PIN
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#define E3_DIR_PIN EXPA2_06_PIN
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#define E3_ENABLE_PIN EXPA2_04_PIN
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#define E3_DIAG_PIN EXPA1_06_PIN
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#define E3_CS_PIN EXPA1_05_PIN
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#if HAS_TMC_UART
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#define E3_SERIAL_TX_PIN EXPA1_05_PIN
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#define E3_SERIAL_RX_PIN EXPA1_05_PIN
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#endif
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// M2 on Driver Expansion Module
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#define E4_STEP_PIN EXPA2_08_PIN
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#define E4_DIR_PIN EXPA2_07_PIN
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#define E4_ENABLE_PIN EXPA1_03_PIN
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#define E4_DIAG_PIN EXPA1_08_PIN
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#define E4_CS_PIN EXPA1_07_PIN
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#if HAS_TMC_UART
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#define E4_SERIAL_TX_PIN EXPA1_07_PIN
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#define E4_SERIAL_RX_PIN EXPA1_07_PIN
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#endif
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// M3 on Driver Expansion Module
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#define E5_STEP_PIN EXPA2_10_PIN
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#define E5_DIR_PIN EXPA2_09_PIN
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#define E5_ENABLE_PIN EXPA1_04_PIN
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#define E5_DIAG_PIN EXPA1_10_PIN
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#define E5_CS_PIN EXPA1_09_PIN
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#if HAS_TMC_UART
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#define E5_SERIAL_TX_PIN EXPA1_09_PIN
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#define E5_SERIAL_RX_PIN EXPA1_09_PIN
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#endif
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#endif // BTT_MOTOR_EXPANSION
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//
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// LCDs and Controllers
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//
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#if IS_TFTGLCD_PANEL
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#if ENABLED(TFTGLCD_PANEL_SPI)
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#define TFTGLCD_CS PG10
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#define TFTGLCD_CS EXPA2_08_PIN
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#endif
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#elif HAS_WIRED_LCD
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#define BEEPER_PIN PG4
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#define BTN_ENC PA8
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#define BEEPER_PIN EXPA1_10_PIN
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#define BTN_ENC EXPA1_09_PIN
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#if ENABLED(CR10_STOCKDISPLAY)
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#define LCD_PINS_RS PG6
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#define LCD_PINS_RS EXPA1_04_PIN
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#define BTN_EN1 PD11
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#define BTN_EN2 PG2
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#define BTN_EN1 EXPA1_08_PIN
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#define BTN_EN2 EXPA1_06_PIN
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#define LCD_PINS_ENABLE PG7
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#define LCD_PINS_D4 PG3
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#define LCD_PINS_ENABLE EXPA1_03_PIN
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#define LCD_PINS_D4 EXPA1_05_PIN
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// CR10_STOCKDISPLAY default timing is too fast
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#undef BOARD_ST7920_DELAY_1
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@ -315,45 +387,45 @@
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#elif ENABLED(MKS_MINI_12864)
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#define DOGLCD_A0 PG6
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#define DOGLCD_CS PG3
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#define BTN_EN1 PG10
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#define BTN_EN2 PF11
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#define DOGLCD_A0 EXPA1_04_PIN
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#define DOGLCD_CS EXPA1_05_PIN
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#define BTN_EN1 EXPA2_08_PIN
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#define BTN_EN2 EXPA2_06_PIN
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#else
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#define LCD_PINS_RS PD10
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#define LCD_PINS_RS EXPA1_07_PIN
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#define BTN_EN1 PG10
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#define BTN_EN2 PF11
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#define BTN_EN1 EXPA2_08_PIN
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#define BTN_EN2 EXPA2_06_PIN
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#define LCD_PINS_ENABLE PD11
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#define LCD_PINS_D4 PG2
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#define LCD_PINS_ENABLE EXPA1_08_PIN
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#define LCD_PINS_D4 EXPA1_06_PIN
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#if ENABLED(FYSETC_MINI_12864)
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#define DOGLCD_CS PD11
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#define DOGLCD_A0 PD10
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#define DOGLCD_CS EXPA1_08_PIN
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#define DOGLCD_A0 EXPA1_07_PIN
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//#define LCD_BACKLIGHT_PIN -1
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#define LCD_RESET_PIN PG2 // Must be high or open for LCD to operate normally.
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#define LCD_RESET_PIN EXPA1_06_PIN // Must be high or open for LCD to operate normally.
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#if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
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#ifndef RGB_LED_R_PIN
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#define RGB_LED_R_PIN PG3
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#define RGB_LED_R_PIN EXPA1_05_PIN
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#endif
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#ifndef RGB_LED_G_PIN
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#define RGB_LED_G_PIN PG6
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#define RGB_LED_G_PIN EXPA1_04_PIN
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#endif
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#ifndef RGB_LED_B_PIN
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#define RGB_LED_B_PIN PG7
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#define RGB_LED_B_PIN EXPA1_03_PIN
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#endif
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#elif ENABLED(FYSETC_MINI_12864_2_1)
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#define NEOPIXEL_PIN PG3
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#define NEOPIXEL_PIN EXPA1_05_PIN
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#endif
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#endif // !FYSETC_MINI_12864
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#if IS_ULTIPANEL
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#define LCD_PINS_D5 PG3
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#define LCD_PINS_D6 PG6
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#define LCD_PINS_D7 PG7
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#define LCD_PINS_D5 EXPA1_05_PIN
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#define LCD_PINS_D6 EXPA1_04_PIN
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#define LCD_PINS_D7 EXPA1_03_PIN
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#endif
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#endif
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