Change commit and FW version

Set it to BETA so user will have to confirm on LCD after start up.

Firmware/Configuration.h

@@ -16,8 +16,8 @@ extern uint16_t nPrinterType;
 extern PGM_P sPrinterName;
 
 // Firmware version
-#define FW_VERSION "3.9.0"
-#define FW_COMMIT_NR 3421
+#define FW_VERSION "3.9.1-BETA"
+#define FW_COMMIT_NR 3459
 // FW_VERSION_UNKNOWN means this is an unofficial build.
 // The firmware should only be checked into github with this symbol.
 #define FW_DEV_VERSION FW_VERSION_UNKNOWN
@@ -70,7 +70,7 @@ extern PGM_P sPrinterName;
 //#define STRING_VERSION "1.0.2"
 
 #define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
-#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "(FW390+LA_acc_/belt fix)" // Who made the changes.
 
 // SERIAL_PORT selects which serial port should be used for communication with the host.
 // This allows the connection of wireless adapters (for instance) to non-default port pins.

Firmware/planner.cpp

@@ -226,11 +226,14 @@ void calculate_trapezoid_for_block(block_t *block, float entry_speed, float exit
   // Size of Plateau of Nominal Rate.
   uint32_t plateau_steps     = 0;
 
+  float max_speed;
+
   // Is the Plateau of Nominal Rate smaller than nothing? That means no cruising, and we will
   // have to use intersection_distance() to calculate when to abort acceleration and start braking
   // in order to reach the final_rate exactly at the end of this block.
   if (accel_decel_steps < block->step_event_count.wide) {
     plateau_steps = block->step_event_count.wide - accel_decel_steps;
+    max_speed = block->nominal_speed;
   } else {
     uint32_t acceleration_x4  = acceleration << 2;
     // Avoid negative numbers
@@ -263,12 +266,18 @@ void calculate_trapezoid_for_block(block_t *block, float entry_speed, float exit
             decelerate_steps = block->step_event_count.wide;
         accelerate_steps = block->step_event_count.wide - decelerate_steps;
     }
+
+    // TODO: not for production
+    float dist = intersection_distance(entry_speed, exit_speed, block->acceleration, block->millimeters);
+    max_speed = sqrt(2 * block->acceleration * dist + entry_speed*entry_speed);
   }
 
 #ifdef LIN_ADVANCE
   uint16_t final_adv_steps = 0;
+  uint16_t max_adv_steps = 0;
   if (block->use_advance_lead) {
       final_adv_steps = exit_speed * block->adv_comp;
+      max_adv_steps = max_speed * block->adv_comp;
   }
 #endif
 
@@ -284,6 +293,7 @@ void calculate_trapezoid_for_block(block_t *block, float entry_speed, float exit
     block->final_rate = final_rate;
 #ifdef LIN_ADVANCE
     block->final_adv_steps = final_adv_steps;
+    block->max_adv_steps = max_adv_steps;
 #endif
   }
   CRITICAL_SECTION_END;
@@ -1169,13 +1179,13 @@ Having the real displacement of the head, we can calculate the total movement le
           block->advance_step_loops = 1;
       }
 
-      #ifdef LA_DEBUG
-      if (block->advance_step_loops > 2)
+      #if 1
+      if (block->advance_step_loops != 1)
           // @wavexx: we should really check for the difference between step_loops and
           //          advance_step_loops instead. A difference of more than 1 will lead
           //          to uneven speed and *should* be adjusted here by furthermore
           //          reducing the speed.
-          SERIAL_ECHOLNPGM("LA: More than 2 steps per eISR loop executed.");
+          SERIAL_ECHOLNPGM("LA: More than 1 steps per eISR loop executed.");
       #endif
   }
 #endif

Firmware/variants/1_75mm_MK3-EINSy10a-E3Dv6full.h

@@ -265,7 +265,7 @@
 //new settings is possible for vsense = 1, running current value > 31 set vsense to zero and shift both currents by 1 bit right (Z axis only)
 #define TMC2130_CURRENTS_H {16, 20, 35, 30}  // default holding currents for all axes
 #define TMC2130_CURRENTS_R {16, 20, 35, 30}  // default running currents for all axes
-#define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
+#define TMC2130_CURRENTS_R_HOME {12, 15, 20, 18}  // homing running currents for all axes
 // #define TMC2130_UNLOAD_CURRENT_R 12			 // lower current for M600 to protect filament sensor - Unused
 
 #define TMC2130_STEALTH_Z

Firmware/variants/1_75mm_MK3S-EINSy10a-E3Dv6full.h

@@ -267,7 +267,7 @@
 //new settings is possible for vsense = 1, running current value > 31 set vsense to zero and shift both currents by 1 bit right (Z axis only)
 #define TMC2130_CURRENTS_H {16, 20, 35, 30}  // default holding currents for all axes
 #define TMC2130_CURRENTS_R {16, 20, 35, 30}  // default running currents for all axes
-#define TMC2130_CURRENTS_R_HOME {8, 10, 20, 18}  // homing running currents for all axes
+#define TMC2130_CURRENTS_R_HOME {12, 15, 20, 18}  // homing running currents for all axes
 // #define TMC2130_UNLOAD_CURRENT_R 12			 // lower current for M600 to protect filament sensor - Unused
 
 #define TMC2130_STEALTH_Z