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BTT Motor Expansion for SKR Pro (MarlinFirmware#20123)
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@Minims @Kannix2005
Minims authored and Kannix2005 committed Dec 7, 2020
1 parent 8401440 commit d3c20a6
Showing 1 changed file with 111 additions and 39 deletions.
150 changes: 111 additions & 39 deletions Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,13 @@
#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
#endif

// BigTreeTech driver expansion module https://bit.ly/3ptRRoj
//#define BTT_MOTOR_EXPANSION

#if BOTH(HAS_WIRED_LCD, BTT_MOTOR_EXPANSION)
#error "It's not possible to have both LCD and motor expansion module on EXP1/EXP2."
#endif

// Use one of these or SDCard-based Emulation will be used
#if NO_EEPROM_SELECTED
//#define SRAM_EEPROM_EMULATION // Use BackSRAM-based EEPROM emulation
Expand Down Expand Up @@ -247,14 +254,43 @@
#define SDCARD_CONNECTION LCD
#endif

/**
* ----- -----
* NC | 1 2 | GND 5V | 1 2 | GND
* RESET | 3 4 | PF12(SD_DETECT) (LCD_D7) PG7 | 3 4 | PG6 (LCD_D6)
* (MOSI)PB15 | 5 6 PF11(BTN_EN2) (LCD_D5) PG3 | 5 6 PG2 (LCD_D4)
* (SD_SS)PB12 | 7 8 | PG10(BTN_EN1) (LCD_RS) PD10 | 7 8 | PD11 (LCD_EN)
* (SCK)PB13 | 9 10| PB14(MISO) (BTN_ENC) PA8 | 9 10| PG4 (BEEPER)
* ----- -----
* EXP2 EXP1
*/

#define EXPA1_03_PIN PG7
#define EXPA1_04_PIN PG6
#define EXPA1_05_PIN PG3
#define EXPA1_06_PIN PG2
#define EXPA1_07_PIN PD10
#define EXPA1_08_PIN PD11
#define EXPA1_09_PIN PA8
#define EXPA1_10_PIN PG4

#define EXPA2_03_PIN -1
#define EXPA2_04_PIN PF12
#define EXPA2_05_PIN PB15
#define EXPA2_06_PIN PF11
#define EXPA2_07_PIN PB12
#define EXPA2_08_PIN PG10
#define EXPA2_09_PIN PB13
#define EXPA2_10_PIN PB14

//
// Onboard SD card
// Must use soft SPI because Marlin's default hardware SPI is tied to LCD's EXP2
//
#if SD_CONNECTION_IS(LCD)

#define SD_DETECT_PIN PF12
#define SDSS PB12
#define SD_DETECT_PIN EXPA2_04_PIN
#define SDSS EXPA2_07_PIN

#elif SD_CONNECTION_IS(ONBOARD)

Expand All @@ -273,40 +309,76 @@
#error "CUSTOM_CABLE is not a supported SDCARD_CONNECTION for this board"
#endif

/**
* ----- -----
* NC | · · | GND 5V | · · | GND
* RESET | · · | PF12(SD_DETECT) (LCD_D7) PG7 | · · | PG6 (LCD_D6)
* (MOSI)PB15 | · · | PF11(BTN_EN2) (LCD_D5) PG3 | · · | PG2 (LCD_D4)
* (SD_SS)PB12 | · · | PG10(BTN_EN1) (LCD_RS) PD10 | · · | PD11 (LCD_EN)
* (SCK)PB13 | · · | PB14(MISO) (BTN_ENC) PA8 | · · | PG4 (BEEPER)
* ----- -----
* EXP2 EXP1
*/
#if ENABLED(BTT_MOTOR_EXPANSION)
/**
* _____ _____
* NC | · · | GND NC | · · | GND
* NC | · · | PF12 (M1EN) (M2EN) PG7 | · · | PG6 (M3EN)
* (M1STP) PB15 | · · PF11 (M1DIR) (M1RX) PG3 | · · PG2 (M1DIAG)
* (M2DIR) PB12 | · · | PG10 (M2STP) (M2RX) PD10 | · · | PD11 (M2DIAG)
* (M3DIR) PB13 | · · | PB14 (M3STP) (M3RX) PA8 | · · | PG4 (M3DIAG)
* ----- -----
* EXP2 EXP1
*/

// M1 on Driver Expansion Module
#define E3_STEP_PIN EXPA2_05_PIN
#define E3_DIR_PIN EXPA2_06_PIN
#define E3_ENABLE_PIN EXPA2_04_PIN
#define E3_DIAG_PIN EXPA1_06_PIN
#define E3_CS_PIN EXPA1_05_PIN
#if HAS_TMC_UART
#define E3_SERIAL_TX_PIN EXPA1_05_PIN
#define E3_SERIAL_RX_PIN EXPA1_05_PIN
#endif

// M2 on Driver Expansion Module
#define E4_STEP_PIN EXPA2_08_PIN
#define E4_DIR_PIN EXPA2_07_PIN
#define E4_ENABLE_PIN EXPA1_03_PIN
#define E4_DIAG_PIN EXPA1_08_PIN
#define E4_CS_PIN EXPA1_07_PIN
#if HAS_TMC_UART
#define E4_SERIAL_TX_PIN EXPA1_07_PIN
#define E4_SERIAL_RX_PIN EXPA1_07_PIN
#endif

// M3 on Driver Expansion Module
#define E5_STEP_PIN EXPA2_10_PIN
#define E5_DIR_PIN EXPA2_09_PIN
#define E5_ENABLE_PIN EXPA1_04_PIN
#define E5_DIAG_PIN EXPA1_10_PIN
#define E5_CS_PIN EXPA1_09_PIN
#if HAS_TMC_UART
#define E5_SERIAL_TX_PIN EXPA1_09_PIN
#define E5_SERIAL_RX_PIN EXPA1_09_PIN
#endif

#endif // BTT_MOTOR_EXPANSION

//
// LCDs and Controllers
//
#if IS_TFTGLCD_PANEL

#if ENABLED(TFTGLCD_PANEL_SPI)
#define TFTGLCD_CS PG10
#define TFTGLCD_CS EXPA2_08_PIN
#endif

#elif HAS_WIRED_LCD

#define BEEPER_PIN PG4
#define BTN_ENC PA8
#define BEEPER_PIN EXPA1_10_PIN
#define BTN_ENC EXPA1_09_PIN

#if ENABLED(CR10_STOCKDISPLAY)

#define LCD_PINS_RS PG6
#define LCD_PINS_RS EXPA1_04_PIN

#define BTN_EN1 PD11
#define BTN_EN2 PG2
#define BTN_EN1 EXPA1_08_PIN
#define BTN_EN2 EXPA1_06_PIN

#define LCD_PINS_ENABLE PG7
#define LCD_PINS_D4 PG3
#define LCD_PINS_ENABLE EXPA1_03_PIN
#define LCD_PINS_D4 EXPA1_05_PIN

// CR10_STOCKDISPLAY default timing is too fast
#undef BOARD_ST7920_DELAY_1
Expand All @@ -315,45 +387,45 @@

#elif ENABLED(MKS_MINI_12864)

#define DOGLCD_A0 PG6
#define DOGLCD_CS PG3
#define BTN_EN1 PG10
#define BTN_EN2 PF11
#define DOGLCD_A0 EXPA1_04_PIN
#define DOGLCD_CS EXPA1_05_PIN
#define BTN_EN1 EXPA2_08_PIN
#define BTN_EN2 EXPA2_06_PIN

#else

#define LCD_PINS_RS PD10
#define LCD_PINS_RS EXPA1_07_PIN

#define BTN_EN1 PG10
#define BTN_EN2 PF11
#define BTN_EN1 EXPA2_08_PIN
#define BTN_EN2 EXPA2_06_PIN

#define LCD_PINS_ENABLE PD11
#define LCD_PINS_D4 PG2
#define LCD_PINS_ENABLE EXPA1_08_PIN
#define LCD_PINS_D4 EXPA1_06_PIN

#if ENABLED(FYSETC_MINI_12864)
#define DOGLCD_CS PD11
#define DOGLCD_A0 PD10
#define DOGLCD_CS EXPA1_08_PIN
#define DOGLCD_A0 EXPA1_07_PIN
//#define LCD_BACKLIGHT_PIN -1
#define LCD_RESET_PIN PG2 // Must be high or open for LCD to operate normally.
#define LCD_RESET_PIN EXPA1_06_PIN // Must be high or open for LCD to operate normally.
#if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
#ifndef RGB_LED_R_PIN
#define RGB_LED_R_PIN PG3
#define RGB_LED_R_PIN EXPA1_05_PIN
#endif
#ifndef RGB_LED_G_PIN
#define RGB_LED_G_PIN PG6
#define RGB_LED_G_PIN EXPA1_04_PIN
#endif
#ifndef RGB_LED_B_PIN
#define RGB_LED_B_PIN PG7
#define RGB_LED_B_PIN EXPA1_03_PIN
#endif
#elif ENABLED(FYSETC_MINI_12864_2_1)
#define NEOPIXEL_PIN PG3
#define NEOPIXEL_PIN EXPA1_05_PIN
#endif
#endif // !FYSETC_MINI_12864

#if IS_ULTIPANEL
#define LCD_PINS_D5 PG3
#define LCD_PINS_D6 PG6
#define LCD_PINS_D7 PG7
#define LCD_PINS_D5 EXPA1_05_PIN
#define LCD_PINS_D6 EXPA1_04_PIN
#define LCD_PINS_D7 EXPA1_03_PIN
#endif

#endif
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