@ -23,6 +23,18 @@
# include "env_validate.h"
// If you have the BigTreeTech driver expansion module, enable BTT_MOTOR_EXPANSION
// https://github.com/bigtreetech/BTT-Expansion-module/tree/master/BTT%20EXP-MOT
//#define BTT_MOTOR_EXPANSION
# if BOTH(HAS_WIRED_LCD, BTT_MOTOR_EXPANSION)
# if EITHER(CR10_STOCKDISPLAY, ENDER2_STOCKDISPLAY)
# define EXP_MOT_USE_EXP2_ONLY 1
# else
# error "You can't use both an LCD and a Motor Expansion Module on EXP1 / EXP2 at the same time."
# endif
# 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
@ -349,48 +361,59 @@
# endif
# 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 )
/** _____ _____
* NC | . . | GND NC | . . | GND
* NC | . . | M1EN M2EN | . . | M3EN
* M1STP | . . M1DIR M1RX | . . M1DIAG
* M2DIR | . . | M2STP M2RX | . . | M2DIAG
* M3DIR | . . | M3STP M3RX | . . | M3DIAG
* - - - - - - - - - -
* EXP2 EXP1
*
* NB In EXP_MOT_USE_EXP2_ONLY mode EXP1 is not used and M2EN and M3EN need to be jumpered to M1EN
*/
// M1 on Driver Expansion Module
# define E3_STEP_PIN EXP2_05_PIN
# define E3_DIR_PIN EXP2_06_PIN
# define E3_ENABLE_PIN EXP2_04_PIN
# define E3_DIAG_PIN EXP1_06_PIN
# define E3_CS_PIN EXP1_05_PIN
# define E2_STEP_PIN EXP2_05_PIN
# define E2_DIR_PIN EXP2_06_PIN
# define E2_ENABLE_PIN EXP2_04_PIN
# if !EXP_MOT_USE_EXP2_ONLY
# define E2_DIAG_PIN EXP1_06_PIN
# define E2_CS_PIN EXP1_05_PIN
# if HAS_TMC_UART
# define E3_SERIAL_TX_PIN EXP1_05_PIN
# define E3_SERIAL_RX_PIN EXP1_05_PIN
# define E2_SERIAL_TX_PIN EXP1_05_PIN
# define E2_SERIAL_RX_PIN EXP1_05_PIN
# endif
# endif
// M2 on Driver Expansion Module
# define E4_STEP_PIN EXP2_08_PIN
# define E4_DIR_PIN EXP2_07_PIN
# define E4_ENABLE_PIN EXP1_03_PIN
# define E4_DIAG_PIN EXP1_08_PIN
# define E4_CS_PIN EXP1_07_PIN
# define E3_STEP_PIN EXP2_08_PIN
# define E3_DIR_PIN EXP2_07_PIN
# if !EXP_MOT_USE_EXP2_ONLY
# define E3_ENABLE_PIN EXP1_03_PIN
# define E3_DIAG_PIN EXP1_08_PIN
# define E3_CS_PIN EXP1_07_PIN
# if HAS_TMC_UART
# define E4_SERIAL_TX_PIN EXP1_07_PIN
# define E4_SERIAL_RX_PIN EXP1_07_PIN
# define E3_SERIAL_TX_PIN EXP1_07_PIN
# define E3_SERIAL_RX_PIN EXP1_07_PIN
# endif
# else
# define E3_ENABLE_PIN EXP2_04_PIN
# endif
// M3 on Driver Expansion Module
# define E5_STEP_PIN EXP2_10_PIN
# define E5_DIR_PIN EXP2_09_PIN
# define E5_ENABLE_PIN EXP1_04_PIN
# define E5_DIAG_PIN EXP1_10_PIN
# define E5_CS_PIN EXP1_09_PIN
# define E4_STEP_PIN EXP2_10_PIN
# define E4_DIR_PIN EXP2_09_PIN
# if !EXP_MOT_USE_EXP2_ONLY
# define E4_ENABLE_PIN EXP1_04_PIN
# define E4_DIAG_PIN EXP1_10_PIN
# define E4_CS_PIN EXP1_09_PIN
# if HAS_TMC_UART
# define E5_SERIAL_TX_PIN EXP1_09_PIN
# define E5_SERIAL_RX_PIN EXP1_09_PIN
# define E4_SERIAL_TX_PIN EXP1_09_PIN
# define E4_SERIAL_RX_PIN EXP1_09_PIN
# endif
# else
# define E4_ENABLE_PIN EXP2_04_PIN
# endif
# endif // BTT_MOTOR_EXPANSION