Add support for TMC2660 (#11998)

Marlin/src/Marlin.cpp

@@ -739,7 +739,7 @@ void setup() {
   SERIAL_PROTOCOLLNPGM("start");
   SERIAL_ECHO_START();
 
-  #if HAS_DRIVER(TMC2130)
+  #if TMC_HAS_SPI
     #if DISABLED(TMC_USE_SW_SPI)
       SPI.begin();
     #endif

Marlin/src/core/drivers.h

@@ -37,10 +37,10 @@
 #define TMC2208_STANDALONE  0x00A
 #define TMC26X              0x10B
 #define TMC26X_STANDALONE   0x00B
-#define TMC2660             0x10C
+#define TMC2660             2660
 #define TMC2660_STANDALONE  0x00C
 
-#define _AXIS_DRIVER_TYPE(A,T) ( defined(A##_DRIVER_TYPE) && (A##_DRIVER_TYPE == T) )
+#define _AXIS_DRIVER_TYPE(A,T) (defined(A##_DRIVER_TYPE) && (A##_DRIVER_TYPE == T))
 
 #define AXIS_DRIVER_TYPE_X(T) _AXIS_DRIVER_TYPE(X,T)
 #define AXIS_DRIVER_TYPE_Y(T) _AXIS_DRIVER_TYPE(Y,T)
@@ -67,7 +67,8 @@
 
 // Test for supported TMC drivers that require advanced configuration
 // Does not match standalone configurations
-#define HAS_TRINAMIC (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2208))
+#define HAS_TRINAMIC (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2208) || HAS_DRIVER(TMC2660))
 
 #define AXIS_IS_TMC(A) ( AXIS_DRIVER_TYPE_##A(TMC2130) || \
-                         AXIS_DRIVER_TYPE_##A(TMC2208) )
+                         AXIS_DRIVER_TYPE_##A(TMC2208) || \
+                         AXIS_DRIVER_TYPE_##A(TMC2660) )

Marlin/src/feature/pause.cpp

@@ -310,7 +310,7 @@ bool unload_filament(const float &unload_length, const bool show_lcd/*=false*/,
   #endif
 
   // Disable extruders steppers for manual filament changing (only on boards that have separate ENABLE_PINS)
-  #if E0_ENABLE_PIN != X_ENABLE_PIN && E1_ENABLE_PIN != Y_ENABLE_PIN
+  #if (E0_ENABLE_PIN != X_ENABLE_PIN && E1_ENABLE_PIN != Y_ENABLE_PIN) || AXIS_DRIVER_TYPE(E0, TMC2660) || AXIS_DRIVER_TYPE(E1, TMC2660) || AXIS_DRIVER_TYPE(E2, TMC2660) || AXIS_DRIVER_TYPE(E3, TMC2660) || AXIS_DRIVER_TYPE(E4, TMC2660) || AXIS_DRIVER_TYPE(E5, TMC2660)
     disable_e_stepper(active_extruder);
     safe_delay(100);
   #endif

Marlin/src/feature/tmc_util.cpp

@@ -53,8 +53,10 @@
     bool is_error;
   };
   #if HAS_DRIVER(TMC2130)
-    static uint32_t get_pwm_scale(TMC2130Stepper &st) { return st.PWM_SCALE(); }
-    static uint8_t get_status_response(TMC2130Stepper &st) { return st.status_response & 0xF; }
+    #if ENABLED(TMC_DEBUG)
+      static uint32_t get_pwm_scale(TMC2130Stepper &st) { return st.PWM_SCALE(); }
+      static uint8_t get_status_response(TMC2130Stepper &st) { return st.status_response & 0xF; }
+    #endif
     static TMC_driver_data get_driver_data(TMC2130Stepper &st) {
       constexpr uint32_t OTPW_bm = 0x4000000UL;
       constexpr uint8_t OTPW_bp = 26;
@@ -71,15 +73,17 @@
     }
   #endif
   #if HAS_DRIVER(TMC2208)
-    static uint32_t get_pwm_scale(TMC2208Stepper &st) { return st.pwm_scale_sum(); }
-    static uint8_t get_status_response(TMC2208Stepper &st) {
-      uint32_t drv_status = st.DRV_STATUS();
-      uint8_t gstat = st.GSTAT();
-      uint8_t response = 0;
-      response |= (drv_status >> (31-3)) & 0b1000;
-      response |= gstat & 0b11;
-      return response;
-    }
+    #if ENABLED(TMC_DEBUG)
+      static uint32_t get_pwm_scale(TMC2208Stepper &st) { return st.pwm_scale_sum(); }
+      static uint8_t get_status_response(TMC2208Stepper &st) {
+        uint32_t drv_status = st.DRV_STATUS();
+        uint8_t gstat = st.GSTAT();
+        uint8_t response = 0;
+        response |= (drv_status >> (31-3)) & 0b1000;
+        response |= gstat & 0b11;
+        return response;
+      }
+    #endif
     static TMC_driver_data get_driver_data(TMC2208Stepper &st) {
       constexpr uint32_t OTPW_bm = 0b1ul;
       constexpr uint8_t OTPW_bp = 0;
@@ -93,6 +97,25 @@
       return data;
     }
   #endif
+  #if HAS_DRIVER(TMC2660)
+    #if ENABLED(TMC_DEBUG)
+      static uint32_t get_pwm_scale(TMC2660Stepper) { return 0; }
+      static uint8_t get_status_response(TMC2660Stepper) { return 0; }
+    #endif
+    static TMC_driver_data get_driver_data(TMC2660Stepper &st) {
+      constexpr uint32_t OTPW_bm = 0x4UL;
+      constexpr uint8_t OTPW_bp = 2;
+      constexpr uint32_t OT_bm = 0x2UL;
+      constexpr uint8_t OT_bp = 1;
+      constexpr uint8_t DRIVER_ERROR_bm = 0x1EUL;
+      TMC_driver_data data;
+      data.drv_status = st.DRVSTATUS();
+      data.is_otpw = (data.drv_status & OTPW_bm) >> OTPW_bp;
+      data.is_ot = (data.drv_status & OT_bm) >> OT_bp;
+      data.is_error = data.drv_status & DRIVER_ERROR_bm;
+      return data;
+    }
+  #endif
 
   template<typename TMC>
   void monitor_tmc_driver(TMC &st) {
@@ -161,7 +184,7 @@
     #endif
   }
 
-  #define HAS_HW_COMMS(ST) AXIS_DRIVER_TYPE(ST, TMC2130) || (AXIS_DRIVER_TYPE(ST, TMC2208) && defined(ST##_HARDWARE_SERIAL))
+  #define HAS_HW_COMMS(ST) AXIS_DRIVER_TYPE(ST, TMC2130) || AXIS_DRIVER_TYPE(ST, TMC2660) || (AXIS_DRIVER_TYPE(ST, TMC2208) && defined(ST##_HARDWARE_SERIAL))
 
   void monitor_tmc_driver() {
     static millis_t next_cOT = 0;
@@ -217,6 +240,16 @@
 
 #if ENABLED(TMC_DEBUG)
 
+  /**
+   * M122 S[1,0] Enable periodic status reports
+   */
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    void tmc_set_report_status(const bool status) {
+      if ((report_tmc_status = status))
+        SERIAL_ECHOLNPGM("axis:pwm_scale |status_response|");
+    }
+  #endif
+
   enum TMC_debug_enum : char {
     TMC_CODES,
     TMC_ENABLED,
@@ -291,6 +324,7 @@
         case TMC_STALLGUARD: if (st.stallguard()) SERIAL_CHAR('X'); break;
         case TMC_SG_RESULT:  SERIAL_PRINT(st.sg_result(), DEC);   break;
         case TMC_FSACTIVE:   if (st.fsactive())   SERIAL_CHAR('X'); break;
+        case TMC_DRV_CS_ACTUAL: SERIAL_PRINT(st.cs_actual(), DEC); break;
         default: break;
       }
     }
@@ -312,11 +346,16 @@
         case TMC_T150: if (st.t150()) SERIAL_CHAR('X'); break;
         case TMC_T143: if (st.t143()) SERIAL_CHAR('X'); break;
         case TMC_T120: if (st.t120()) SERIAL_CHAR('X'); break;
+        case TMC_DRV_CS_ACTUAL: SERIAL_PRINT(st.cs_actual(), DEC); break;
         default: break;
       }
     }
   #endif
 
+  #if HAS_DRIVER(TMC2660)
+    static void _tmc_parse_drv_status(TMC2660Stepper, const TMC_drv_status_enum) { }
+  #endif
+
   template <typename TMC>
   static void tmc_status(TMC &st, const TMC_debug_enum i, const float spmm) {
     SERIAL_ECHO('\t');
@@ -355,7 +394,9 @@
         }
         break;
       case TMC_OTPW: serialprintPGM(st.otpw() ? PSTR("true") : PSTR("false")); break;
-      case TMC_OTPW_TRIGGERED: serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false")); break;
+      #if ENABLED(MONITOR_DRIVER_STATUS)
+        case TMC_OTPW_TRIGGERED: serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false")); break;
+      #endif
       case TMC_TOFF: SERIAL_PRINT(st.toff(), DEC); break;
       case TMC_TBL: SERIAL_PRINT(st.blank_time(), DEC); break;
       case TMC_HEND: SERIAL_PRINT(st.hysteresis_end(), DEC); break;
@@ -364,6 +405,34 @@
     }
   }
 
+  #if HAS_DRIVER(TMC2660)
+    template<char AXIS_LETTER, char DRIVER_ID>
+    void tmc_status(TMCMarlin<TMC2660Stepper, AXIS_LETTER, DRIVER_ID> &st, const TMC_debug_enum i, const float) {
+      SERIAL_ECHO('\t');
+      switch (i) {
+        case TMC_CODES: st.printLabel(); break;
+        case TMC_ENABLED: serialprintPGM(st.isEnabled() ? PSTR("true") : PSTR("false")); break;
+        case TMC_CURRENT: SERIAL_ECHO(st.getMilliamps()); break;
+        case TMC_RMS_CURRENT: SERIAL_PROTOCOL(st.rms_current()); break;
+        case TMC_MAX_CURRENT: SERIAL_PRINT((float)st.rms_current() * 1.41, 0); break;
+        case TMC_IRUN:
+          SERIAL_PRINT(st.cs(), DEC);
+          SERIAL_ECHOPGM("/31");
+          break;
+        case TMC_VSENSE: serialprintPGM(st.vsense() ? PSTR("1=.165") : PSTR("0=.310")); break;
+        case TMC_MICROSTEPS: SERIAL_ECHO(st.microsteps()); break;
+        //case TMC_OTPW: serialprintPGM(st.otpw() ? PSTR("true") : PSTR("false")); break;
+        //case TMC_OTPW_TRIGGERED: serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false")); break;
+        case TMC_SGT: SERIAL_PRINT(st.sgt(), DEC); break;
+        case TMC_TOFF: SERIAL_PRINT(st.toff(), DEC); break;
+        case TMC_TBL: SERIAL_PRINT(st.blank_time(), DEC); break;
+        case TMC_HEND: SERIAL_PRINT(st.hysteresis_end(), DEC); break;
+        case TMC_HSTRT: SERIAL_PRINT(st.hysteresis_start(), DEC); break;
+        default: break;
+      }
+    }
+  #endif
+
   template <typename TMC>
   static void tmc_parse_drv_status(TMC &st, const TMC_drv_status_enum i) {
     SERIAL_CHAR('\t');
@@ -376,7 +445,6 @@
       case TMC_S2GA:          if (st.s2ga())         SERIAL_CHAR('X'); break;
       case TMC_DRV_OTPW:      if (st.otpw())         SERIAL_CHAR('X'); break;
       case TMC_OT:            if (st.ot())           SERIAL_CHAR('X'); break;
-      case TMC_DRV_CS_ACTUAL: SERIAL_PRINT(st.cs_actual(), DEC);       break;
       case TMC_DRV_STATUS_HEX:
         st.printLabel();
         SERIAL_ECHOPGM("\t0x");
@@ -503,10 +571,6 @@
   /**
    * M122 report functions
    */
-  void tmc_set_report_status(const bool status) {
-    if ((report_tmc_status = status))
-      SERIAL_ECHOLNPGM("axis:pwm_scale |status_response|");
-  }
 
   void tmc_report_all() {
     #define TMC_REPORT(LABEL, ITEM) do{ SERIAL_ECHOPGM(LABEL);  tmc_debug_loop(ITEM); }while(0)
@@ -527,8 +591,10 @@
     TMC_REPORT("pwm\nthreshold\t",   TMC_TPWMTHRS);
     TMC_REPORT("[mm/s]\t",           TMC_TPWMTHRS_MMS);
     TMC_REPORT("OT prewarn",         TMC_OTPW);
-    TMC_REPORT("OT prewarn has\n"
-               "been triggered",     TMC_OTPW_TRIGGERED);
+    #if ENABLED(MONITOR_DRIVER_STATUS)
+      TMC_REPORT("OT prewarn has\n"
+                 "been triggered",   TMC_OTPW_TRIGGERED);
+    #endif
     TMC_REPORT("off time\t",         TMC_TOFF);
     TMC_REPORT("blank time",         TMC_TBL);
     TMC_REPORT("hysteresis\n-end\t", TMC_HEND);
@@ -571,53 +637,55 @@
     #endif
     st.diag1_stall(enable ? 1 : 0);
   }
+  void tmc_sensorless_homing(TMC2660Stepper &st, const bool enable) {
+    // TODO
+  }
 
 #endif // USE_SENSORLESS
 
-#if HAS_DRIVER(TMC2130)
-  #define IS_TMC_SPI(ST) AXIS_DRIVER_TYPE(ST, TMC2130)
+#if TMC_HAS_SPI
   #define SET_CS_PIN(st) OUT_WRITE(st##_CS_PIN, HIGH)
   void tmc_init_cs_pins() {
-    #if IS_TMC_SPI(X)
+    #if AXIS_HAS_SPI(X)
       SET_CS_PIN(X);
     #endif
-    #if IS_TMC_SPI(Y)
+    #if AXIS_HAS_SPI(Y)
       SET_CS_PIN(Y);
     #endif
-    #if IS_TMC_SPI(Z)
+    #if AXIS_HAS_SPI(Z)
       SET_CS_PIN(Z);
     #endif
-    #if IS_TMC_SPI(X2)
+    #if AXIS_HAS_SPI(X2)
       SET_CS_PIN(X2);
     #endif
-    #if IS_TMC_SPI(Y2)
+    #if AXIS_HAS_SPI(Y2)
       SET_CS_PIN(Y2);
     #endif
-    #if IS_TMC_SPI(Z2)
+    #if AXIS_HAS_SPI(Z2)
       SET_CS_PIN(Z2);
     #endif
-    #if IS_TMC_SPI(Z3)
+    #if AXIS_HAS_SPI(Z3)
       SET_CS_PIN(Z3);
     #endif
-    #if IS_TMC_SPI(E0)
+    #if AXIS_HAS_SPI(E0)
       SET_CS_PIN(E0);
     #endif
-    #if IS_TMC_SPI(E1)
+    #if AXIS_HAS_SPI(E1)
       SET_CS_PIN(E1);
     #endif
-    #if IS_TMC_SPI(E2)
+    #if AXIS_HAS_SPI(E2)
       SET_CS_PIN(E2);
     #endif
-    #if IS_TMC_SPI(E3)
+    #if AXIS_HAS_SPI(E3)
       SET_CS_PIN(E3);
     #endif
-    #if IS_TMC_SPI(E4)
+    #if AXIS_HAS_SPI(E4)
       SET_CS_PIN(E4);
     #endif
-    #if IS_TMC_SPI(E5)
+    #if AXIS_HAS_SPI(E5)
       SET_CS_PIN(E5);
     #endif
   }
-#endif // TMC2130
+#endif // TMC_HAS_SPI
 
 #endif // HAS_TRINAMIC

Marlin/src/feature/tmc_util.h

@@ -158,7 +158,9 @@ void tmc_set_sgt(TMC &st, const int8_t sgt_val) {
 void monitor_tmc_driver();
 
 #if ENABLED(TMC_DEBUG)
-  void tmc_set_report_status(const bool status);
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    void tmc_set_report_status(const bool status);
+  #endif
   void tmc_report_all();
 #endif
 
@@ -171,9 +173,10 @@ void monitor_tmc_driver();
  */
 #if USE_SENSORLESS
   void tmc_stallguard(TMC2130Stepper &st, const bool enable=true);
+  void tmc_stallguard(TMC2660Stepper &st, const bool enable=true);
 #endif
 
-#if HAS_DRIVER(TMC2130)
+#if TMC_HAS_SPI
   void tmc_init_cs_pins();
 #endif
 

Marlin/src/gcode/control/M17_M18_M84.cpp

@@ -54,7 +54,8 @@ void GcodeSuite::M18_M84() {
       if (parser.seen('X')) disable_X();
       if (parser.seen('Y')) disable_Y();
       if (parser.seen('Z')) disable_Z();
-      #if E0_ENABLE_PIN != X_ENABLE_PIN && E1_ENABLE_PIN != Y_ENABLE_PIN // Only disable on boards that have separate ENABLE_PINS
+      // Only disable on boards that have separate ENABLE_PINS or another method for disabling the driver
+      #if (E0_ENABLE_PIN != X_ENABLE_PIN && E1_ENABLE_PIN != Y_ENABLE_PIN) || AXIS_DRIVER_TYPE(E0, TMC2660) || AXIS_DRIVER_TYPE(E1, TMC2660) || AXIS_DRIVER_TYPE(E2, TMC2660) || AXIS_DRIVER_TYPE(E3, TMC2660) || AXIS_DRIVER_TYPE(E4, TMC2660) || AXIS_DRIVER_TYPE(E5, TMC2660)
         if (parser.seen('E')) disable_e_steppers();
       #endif
     }

Marlin/src/gcode/feature/trinamic/M122.cpp

@@ -31,10 +31,14 @@
  * M122: Debug TMC drivers
  */
 void GcodeSuite::M122() {
-  if (parser.seen('S'))
-    tmc_set_report_status(parser.value_bool());
-  else
-    tmc_report_all();
+
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    if (parser.seen('S'))
+      tmc_set_report_status(parser.value_bool());
+    else
+  #endif
+      tmc_report_all();
+
 }
 
 #endif // TMC_DEBUG

Marlin/src/inc/Conditionals_post.h

@@ -461,7 +461,7 @@
  *       Preserve this ordering when adding new drivers.
  */
 
-#define TRINAMICS (HAS_TRINAMIC || HAS_DRIVER(TMC2660) || HAS_DRIVER(TMC2130_STANDALONE) || HAS_DRIVER(TMC2208_STANDALONE) || HAS_DRIVER(TMC26X_STANDALONE) || HAS_DRIVER(TMC2660_STANDALONE))
+#define TRINAMICS (HAS_TRINAMIC || HAS_DRIVER(TMC2130_STANDALONE) || HAS_DRIVER(TMC2208_STANDALONE) || HAS_DRIVER(TMC26X_STANDALONE) || HAS_DRIVER(TMC2660_STANDALONE))
 
 #ifndef MINIMUM_STEPPER_DIR_DELAY
   #if HAS_DRIVER(TB6560)
@@ -867,20 +867,24 @@
 #define HAS_SOLENOID_5    (PIN_EXISTS(SOL5))
 
 // Trinamic Stepper Drivers
-#define HAS_STEALTHCHOP (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2208))
-#define HAS_STALLGUARD  HAS_DRIVER(TMC2130)
-#define AXIS_HAS_STEALTHCHOP(ST) ( AXIS_DRIVER_TYPE(ST, TMC2130) || AXIS_DRIVER_TYPE(ST, TMC2208) )
-#define AXIS_HAS_STALLGUARD(ST) AXIS_DRIVER_TYPE(ST, TMC2130)
-
-#define USE_SENSORLESS (ENABLED(SENSORLESS_HOMING) || ENABLED(SENSORLESS_PROBING))
-#if USE_SENSORLESS
-  // Disable Z axis sensorless homing if a probe is used to home the Z axis
-  #if HOMING_Z_WITH_PROBE
-    #undef Z_STALL_SENSITIVITY
-  #endif
-  #define X_SENSORLESS (AXIS_HAS_STALLGUARD(X) && defined(X_STALL_SENSITIVITY))
-  #define Y_SENSORLESS (AXIS_HAS_STALLGUARD(Y) && defined(Y_STALL_SENSITIVITY))
-  #define Z_SENSORLESS (AXIS_HAS_STALLGUARD(Z) && defined(Z_STALL_SENSITIVITY))
+#if HAS_TRINAMIC
+  #define TMC_HAS_SPI     (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2660))
+  #define HAS_STALLGUARD  (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2660))
+  #define HAS_STEALTHCHOP (HAS_DRIVER(TMC2130) || HAS_DRIVER(TMC2208))
+  #define AXIS_HAS_SPI(ST)         (AXIS_DRIVER_TYPE(ST, TMC2130) || AXIS_DRIVER_TYPE(ST, TMC2660))
+  #define AXIS_HAS_STALLGUARD(ST)  (AXIS_DRIVER_TYPE(ST, TMC2130) || AXIS_DRIVER_TYPE(ST, TMC2660))
+  #define AXIS_HAS_STEALTHCHOP(ST) (AXIS_DRIVER_TYPE(ST, TMC2130) || AXIS_DRIVER_TYPE(ST, TMC2208))
+
+  #define USE_SENSORLESS (ENABLED(SENSORLESS_HOMING) || ENABLED(SENSORLESS_PROBING))
+  #if USE_SENSORLESS
+    // Disable Z axis sensorless homing if a probe is used to home the Z axis
+    #if HOMING_Z_WITH_PROBE
+      #undef Z_STALL_SENSITIVITY
+    #endif
+    #define X_SENSORLESS (AXIS_HAS_STALLGUARD(X) && defined(X_STALL_SENSITIVITY))
+    #define Y_SENSORLESS (AXIS_HAS_STALLGUARD(Y) && defined(Y_STALL_SENSITIVITY))
+    #define Z_SENSORLESS (AXIS_HAS_STALLGUARD(Z) && defined(Z_STALL_SENSITIVITY))
+  #endif
 #endif
 
 // Endstops and bed probe

Marlin/src/module/stepper_indirection.cpp

@@ -487,6 +487,74 @@
   }
 #endif // TMC2208
 
+//
+// TMC2660 Driver objects and inits
+//
+#if HAS_DRIVER(TMC2660)
+
+  #include <SPI.h>
+  #include "planner.h"
+  #include "../core/enum.h"
+
+  #if ENABLED(TMC_USE_SW_SPI)
+    #define _TMC2660_DEFINE(ST, L) TMCMarlin<TMC2660Stepper, L> stepper##ST(ST##_CS_PIN, R_SENSE, TMC_SW_MOSI, TMC_SW_MISO, TMC_SW_SCK)
+    #define TMC2660_DEFINE(ST) _TMC2660_DEFINE(ST, TMC_##ST##_LABEL)
+  #else
+    #define _TMC2660_DEFINE(ST, L) TMCMarlin<TMC2660Stepper, L> stepper##ST(ST##_CS_PIN, R_SENSE)
+    #define TMC2660_DEFINE(ST) _TMC2660_DEFINE(ST, TMC_##ST##_LABEL)
+  #endif
+
+  // Stepper objects of TMC2660 steppers used
+  #if AXIS_DRIVER_TYPE(X, TMC2660)
+    TMC2660_DEFINE(X);
+  #endif
+  #if AXIS_DRIVER_TYPE(X2, TMC2660)
+    TMC2660_DEFINE(X2);
+  #endif
+  #if AXIS_DRIVER_TYPE(Y, TMC2660)
+    TMC2660_DEFINE(Y);
+  #endif
+  #if AXIS_DRIVER_TYPE(Y2, TMC2660)
+    TMC2660_DEFINE(Y2);
+  #endif
+  #if AXIS_DRIVER_TYPE(Z, TMC2660)
+    TMC2660_DEFINE(Z);
+  #endif
+  #if AXIS_DRIVER_TYPE(Z2, TMC2660)
+    TMC2660_DEFINE(Z2);
+  #endif
+  #if AXIS_DRIVER_TYPE(E0, TMC2660)
+    TMC2660_DEFINE(E0);
+  #endif
+  #if AXIS_DRIVER_TYPE(E1, TMC2660)
+    TMC2660_DEFINE(E1);
+  #endif
+  #if AXIS_DRIVER_TYPE(E2, TMC2660)
+    TMC2660_DEFINE(E2);
+  #endif
+  #if AXIS_DRIVER_TYPE(E3, TMC2660)
+    TMC2660_DEFINE(E3);
+  #endif
+  #if AXIS_DRIVER_TYPE(E4, TMC2660)
+    TMC2660_DEFINE(E4);
+  #endif
+  #if AXIS_DRIVER_TYPE(E5, TMC2660)
+    TMC2660_DEFINE(E5);
+  #endif
+
+  template<char AXIS_LETTER, char DRIVER_ID>
+  void tmc_init(TMCMarlin<TMC2660Stepper, AXIS_LETTER, DRIVER_ID> &st, const uint16_t mA, const uint16_t microsteps, const uint32_t, const float) {
+    st.begin();
+    st.rms_current(mA);
+    st.microsteps(microsteps);
+    st.blank_time(24);
+    st.toff(5); // Only enables the driver if used with stealthChop
+    st.intpol(INTERPOLATE);
+    //st.hysteresis_start(3);
+    //st.hysteresis_end(2);
+  }
+#endif // TMC2660
+
 void restore_stepper_drivers() {
   #if AXIS_IS_TMC(X)
     stepperX.push();

Marlin/src/module/stepper_indirection.h

@@ -101,6 +101,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define X_ENABLE_INIT NOOP
     #define X_ENABLE_WRITE(STATE) stepperX.setEnabled(STATE)
     #define X_ENABLE_READ stepperX.isEnabled()
+  #elif AXIS_DRIVER_TYPE(X, TMC2660)
+    #define X_ENABLE_INIT NOOP
+    #define X_ENABLE_WRITE(STATE) stepperX.toff((STATE)==X_ENABLE_ON ? stepperX.savedToff() : 0)
+    #define X_ENABLE_READ stepperX.isEnabled()
   #else
     #define X_ENABLE_INIT SET_OUTPUT(X_ENABLE_PIN)
     #define X_ENABLE_WRITE(STATE) WRITE(X_ENABLE_PIN,STATE)
@@ -132,6 +136,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define Y_ENABLE_INIT NOOP
     #define Y_ENABLE_WRITE(STATE) stepperY.setEnabled(STATE)
     #define Y_ENABLE_READ stepperY.isEnabled()
+  #elif AXIS_DRIVER_TYPE(Y, TMC2660)
+    #define Y_ENABLE_INIT NOOP
+    #define Y_ENABLE_WRITE(STATE) stepperY.toff((STATE)==Y_ENABLE_ON ? stepperY.savedToff() : 0)
+    #define Y_ENABLE_READ stepperY.isEnabled()
   #else
     #define Y_ENABLE_INIT SET_OUTPUT(Y_ENABLE_PIN)
     #define Y_ENABLE_WRITE(STATE) WRITE(Y_ENABLE_PIN,STATE)
@@ -163,6 +171,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define Z_ENABLE_INIT NOOP
     #define Z_ENABLE_WRITE(STATE) stepperZ.setEnabled(STATE)
     #define Z_ENABLE_READ stepperZ.isEnabled()
+  #elif AXIS_DRIVER_TYPE(Z, TMC2660)
+    #define Z_ENABLE_INIT NOOP
+    #define Z_ENABLE_WRITE(STATE) stepperZ.toff((STATE)==Z_ENABLE_ON ? stepperZ.savedToff() : 0)
+    #define Z_ENABLE_READ stepperZ.isEnabled()
   #else
     #define Z_ENABLE_INIT SET_OUTPUT(Z_ENABLE_PIN)
     #define Z_ENABLE_WRITE(STATE) WRITE(Z_ENABLE_PIN,STATE)
@@ -195,6 +207,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
       #define X2_ENABLE_INIT NOOP
       #define X2_ENABLE_WRITE(STATE) stepperX2.setEnabled(STATE)
       #define X2_ENABLE_READ stepperX2.isEnabled()
+    #elif AXIS_DRIVER_TYPE(X2, TMC2660)
+      #define X2_ENABLE_INIT NOOP
+      #define X2_ENABLE_WRITE(STATE) stepperX2.toff((STATE)==X_ENABLE_ON ? stepperX2.savedToff() : 0)
+      #define X2_ENABLE_READ stepperX2.isEnabled()
     #else
       #define X2_ENABLE_INIT SET_OUTPUT(X2_ENABLE_PIN)
       #define X2_ENABLE_WRITE(STATE) WRITE(X2_ENABLE_PIN,STATE)
@@ -228,6 +244,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
       #define Y2_ENABLE_INIT NOOP
       #define Y2_ENABLE_WRITE(STATE) stepperY2.setEnabled(STATE)
       #define Y2_ENABLE_READ stepperY2.isEnabled()
+    #elif AXIS_DRIVER_TYPE(Y2, TMC2660)
+      #define Y2_ENABLE_INIT NOOP
+      #define Y2_ENABLE_WRITE(STATE) stepperY2.toff((STATE)==Y_ENABLE_ON ? stepperY2.savedToff() : 0)
+      #define Y2_ENABLE_READ stepperY2.isEnabled()
     #else
       #define Y2_ENABLE_INIT SET_OUTPUT(Y2_ENABLE_PIN)
       #define Y2_ENABLE_WRITE(STATE) WRITE(Y2_ENABLE_PIN,STATE)
@@ -261,6 +281,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
       #define Z2_ENABLE_INIT NOOP
       #define Z2_ENABLE_WRITE(STATE) stepperZ2.setEnabled(STATE)
       #define Z2_ENABLE_READ stepperZ2.isEnabled()
+    #elif AXIS_DRIVER_TYPE(Z2, TMC2660)
+      #define Z2_ENABLE_INIT NOOP
+      #define Z2_ENABLE_WRITE(STATE) stepperZ2.toff((STATE)==Z_ENABLE_ON ? stepperZ2.savedToff() : 0)
+      #define Z2_ENABLE_READ stepperZ2.isEnabled()
     #else
       #define Z2_ENABLE_INIT SET_OUTPUT(Z2_ENABLE_PIN)
       #define Z2_ENABLE_WRITE(STATE) WRITE(Z2_ENABLE_PIN,STATE)
@@ -294,6 +318,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
       #define Z3_ENABLE_INIT NOOP
       #define Z3_ENABLE_WRITE(STATE) stepperZ3.setEnabled(STATE)
       #define Z3_ENABLE_READ stepperZ3.isEnabled()
+    #elif AXIS_DRIVER_TYPE(Z3, TMC2660)
+      #define Z3_ENABLE_INIT NOOP
+      #define Z3_ENABLE_WRITE(STATE) stepperZ3.toff((STATE)==Z_ENABLE_ON ? stepperZ3.savedToff() : 0)
+      #define Z3_ENABLE_READ stepperZ3.isEnabled()
     #else
       #define Z3_ENABLE_INIT SET_OUTPUT(Z3_ENABLE_PIN)
       #define Z3_ENABLE_WRITE(STATE) WRITE(Z3_ENABLE_PIN,STATE)
@@ -326,6 +354,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E0_ENABLE_INIT NOOP
     #define E0_ENABLE_WRITE(STATE) stepperE0.setEnabled(STATE)
     #define E0_ENABLE_READ stepperE0.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E0, TMC2660)
+    #define E0_ENABLE_INIT NOOP
+    #define E0_ENABLE_WRITE(STATE) stepperE0.toff((STATE)==E_ENABLE_ON ? stepperE0.savedToff() : 0)
+    #define E0_ENABLE_READ stepperE0.isEnabled()
   #else
     #define E0_ENABLE_INIT SET_OUTPUT(E0_ENABLE_PIN)
     #define E0_ENABLE_WRITE(STATE) WRITE(E0_ENABLE_PIN,STATE)
@@ -357,6 +389,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E1_ENABLE_INIT NOOP
     #define E1_ENABLE_WRITE(STATE) stepperE1.setEnabled(STATE)
     #define E1_ENABLE_READ stepperE1.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E1, TMC2660)
+    #define E1_ENABLE_INIT NOOP
+    #define E1_ENABLE_WRITE(STATE) stepperE1.toff((STATE)==E_ENABLE_ON ? stepperE1.savedToff() : 0)
+    #define E1_ENABLE_READ stepperE1.isEnabled()
   #else
     #define E1_ENABLE_INIT SET_OUTPUT(E1_ENABLE_PIN)
     #define E1_ENABLE_WRITE(STATE) WRITE(E1_ENABLE_PIN,STATE)
@@ -388,6 +424,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E2_ENABLE_INIT NOOP
     #define E2_ENABLE_WRITE(STATE) stepperE2.setEnabled(STATE)
     #define E2_ENABLE_READ stepperE2.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E2, TMC2660)
+    #define E2_ENABLE_INIT NOOP
+    #define E2_ENABLE_WRITE(STATE) stepperE2.toff((STATE)==E_ENABLE_ON ? stepperE2.savedToff() : 0)
+    #define E2_ENABLE_READ stepperE2.isEnabled()
   #else
     #define E2_ENABLE_INIT SET_OUTPUT(E2_ENABLE_PIN)
     #define E2_ENABLE_WRITE(STATE) WRITE(E2_ENABLE_PIN,STATE)
@@ -419,6 +459,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E3_ENABLE_INIT NOOP
     #define E3_ENABLE_WRITE(STATE) stepperE3.setEnabled(STATE)
     #define E3_ENABLE_READ stepperE3.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E3, TMC2660)
+    #define E3_ENABLE_INIT NOOP
+    #define E3_ENABLE_WRITE(STATE) stepperE3.toff((STATE)==E_ENABLE_ON ? stepperE3.savedToff() : 0)
+    #define E3_ENABLE_READ stepperE3.isEnabled()
   #else
     #define E3_ENABLE_INIT SET_OUTPUT(E3_ENABLE_PIN)
     #define E3_ENABLE_WRITE(STATE) WRITE(E3_ENABLE_PIN,STATE)
@@ -450,6 +494,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E4_ENABLE_INIT NOOP
     #define E4_ENABLE_WRITE(STATE) stepperE4.setEnabled(STATE)
     #define E4_ENABLE_READ stepperE4.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E4, TMC2660)
+    #define E4_ENABLE_INIT NOOP
+    #define E4_ENABLE_WRITE(STATE) stepperE4.toff((STATE)==E_ENABLE_ON ? stepperE4.savedToff() : 0)
+    #define E4_ENABLE_READ stepperE4.isEnabled()
   #else
     #define E4_ENABLE_INIT SET_OUTPUT(E4_ENABLE_PIN)
     #define E4_ENABLE_WRITE(STATE) WRITE(E4_ENABLE_PIN,STATE)
@@ -481,6 +529,10 @@ void reset_stepper_drivers();    // Called by settings.load / settings.reset
     #define E5_ENABLE_INIT NOOP
     #define E5_ENABLE_WRITE(STATE) stepperE5.setEnabled(STATE)
     #define E5_ENABLE_READ stepperE5.isEnabled()
+  #elif AXIS_DRIVER_TYPE(E5, TMC2660)
+    #define E5_ENABLE_INIT NOOP
+    #define E5_ENABLE_WRITE(STATE) stepperE5.toff((STATE)==E_ENABLE_ON ? stepperE5.savedToff() : 0)
+    #define E5_ENABLE_READ stepperE5.isEnabled()
   #else
     #define E5_ENABLE_INIT SET_OUTPUT(E5_ENABLE_PIN)
     #define E5_ENABLE_WRITE(STATE) WRITE(E5_ENABLE_PIN,STATE)

Marlin/src/pins/pins_AZTEEG_X5_GT.h

@@ -58,22 +58,37 @@
 #define X_STEP_PIN         P2_01
 #define X_DIR_PIN          P0_11
 #define X_ENABLE_PIN       P0_10
+#ifndef X_CS_PIN
+  #define X_CS_PIN         P0_10 // BSD2660 default
+#endif
 
 #define Y_STEP_PIN         P2_02
 #define Y_DIR_PIN          P0_20
 #define Y_ENABLE_PIN       P0_19
+#ifndef Y_CS_PIN
+  #define Y_CS_PIN         P0_19 // BSD2660 default
+#endif
 
 #define Z_STEP_PIN         P2_03
 #define Z_DIR_PIN          P0_22
 #define Z_ENABLE_PIN       P0_21
+#ifndef Z_CS_PIN
+  #define Z_CS_PIN         P0_21 // BSD2660 default
+#endif
 
 #define E0_STEP_PIN        P2_00
 #define E0_DIR_PIN         P0_05
 #define E0_ENABLE_PIN      P0_04
+#ifndef E0_CS_PIN
+  #define E0_CS_PIN        P0_04 // BSD2660 default
+#endif
 
 #define E1_STEP_PIN        P2_08
 #define E1_DIR_PIN         P2_13
 #define E1_ENABLE_PIN      P4_29
+#ifndef E1_CS_PIN
+  #define E1_CS_PIN        P4_29 // BSD2660 default
+#endif
 
 //
 // Temperature Sensors