| 
							
							
							
						 |  |  | @@ -1,7 +1,7 @@ | 
		
	
		
			
				|  |  |  |  | /** | 
		
	
		
			
				|  |  |  |  |  * planner.cpp - Buffer movement commands and manage the acceleration profile plan | 
		
	
		
			
				|  |  |  |  |  * Part of Grbl | 
		
	
		
			
				|  |  |  |  |  *  | 
		
	
		
			
				|  |  |  |  |  * | 
		
	
		
			
				|  |  |  |  |  * Copyright (c) 2009-2011 Simen Svale Skogsrud | 
		
	
		
			
				|  |  |  |  |  * | 
		
	
		
			
				|  |  |  |  |  * Grbl is free software: you can redistribute it and/or modify | 
		
	
	
		
			
				
					
					|  |  |  | @@ -134,14 +134,14 @@ unsigned char g_uc_extruder_last_move[4] = {0,0,0,0}; | 
		
	
		
			
				|  |  |  |  | FORCE_INLINE int8_t next_block_index(int8_t block_index) { return BLOCK_MOD(block_index + 1); } | 
		
	
		
			
				|  |  |  |  | FORCE_INLINE int8_t prev_block_index(int8_t block_index) { return BLOCK_MOD(block_index - 1); } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // Calculates the distance (not time) it takes to accelerate from initial_rate to target_rate using the  | 
		
	
		
			
				|  |  |  |  | // Calculates the distance (not time) it takes to accelerate from initial_rate to target_rate using the | 
		
	
		
			
				|  |  |  |  | // given acceleration: | 
		
	
		
			
				|  |  |  |  | FORCE_INLINE float estimate_acceleration_distance(float initial_rate, float target_rate, float acceleration) { | 
		
	
		
			
				|  |  |  |  |   if (acceleration == 0) return 0; // acceleration was 0, set acceleration distance to 0 | 
		
	
		
			
				|  |  |  |  |   return (target_rate * target_rate - initial_rate * initial_rate) / (acceleration * 2); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // This function gives you the point at which you must start braking (at the rate of -acceleration) if  | 
		
	
		
			
				|  |  |  |  | // This function gives you the point at which you must start braking (at the rate of -acceleration) if | 
		
	
		
			
				|  |  |  |  | // you started at speed initial_rate and accelerated until this point and want to end at the final_rate after | 
		
	
		
			
				|  |  |  |  | // a total travel of distance. This can be used to compute the intersection point between acceleration and | 
		
	
		
			
				|  |  |  |  | // deceleration in the cases where the trapezoid has no plateau (i.e. never reaches maximum speed) | 
		
	
	
		
			
				
					
					|  |  |  | @@ -179,7 +179,7 @@ void calculate_trapezoid_for_block(block_t *block, float entry_factor, float exi | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | #if ENABLED(ADVANCE) | 
		
	
		
			
				|  |  |  |  |   volatile long initial_advance = block->advance * entry_factor * entry_factor;  | 
		
	
		
			
				|  |  |  |  |   volatile long initial_advance = block->advance * entry_factor * entry_factor; | 
		
	
		
			
				|  |  |  |  |   volatile long final_advance = block->advance * exit_factor * exit_factor; | 
		
	
		
			
				|  |  |  |  | #endif // ADVANCE | 
		
	
		
			
				|  |  |  |  |  | 
		
	
	
		
			
				
					
					|  |  |  | @@ -197,16 +197,16 @@ void calculate_trapezoid_for_block(block_t *block, float entry_factor, float exi | 
		
	
		
			
				|  |  |  |  |     #endif | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |   CRITICAL_SECTION_END; | 
		
	
		
			
				|  |  |  |  | }                     | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // Calculates the maximum allowable speed at this point when you must be able to reach target_velocity using the  | 
		
	
		
			
				|  |  |  |  | // Calculates the maximum allowable speed at this point when you must be able to reach target_velocity using the | 
		
	
		
			
				|  |  |  |  | // acceleration within the allotted distance. | 
		
	
		
			
				|  |  |  |  | FORCE_INLINE float max_allowable_speed(float acceleration, float target_velocity, float distance) { | 
		
	
		
			
				|  |  |  |  |   return sqrt(target_velocity * target_velocity - 2 * acceleration * distance); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // "Junction jerk" in this context is the immediate change in speed at the junction of two blocks. | 
		
	
		
			
				|  |  |  |  | // This method will calculate the junction jerk as the euclidean distance between the nominal  | 
		
	
		
			
				|  |  |  |  | // This method will calculate the junction jerk as the euclidean distance between the nominal | 
		
	
		
			
				|  |  |  |  | // velocities of the respective blocks. | 
		
	
		
			
				|  |  |  |  | //inline float junction_jerk(block_t *before, block_t *after) { | 
		
	
		
			
				|  |  |  |  | //  return sqrt( | 
		
	
	
		
			
				
					
					|  |  |  | @@ -217,6 +217,7 @@ FORCE_INLINE float max_allowable_speed(float acceleration, float target_velocity | 
		
	
		
			
				|  |  |  |  | // The kernel called by planner_recalculate() when scanning the plan from last to first entry. | 
		
	
		
			
				|  |  |  |  | void planner_reverse_pass_kernel(block_t *previous, block_t *current, block_t *next) { | 
		
	
		
			
				|  |  |  |  |   if (!current) return; | 
		
	
		
			
				|  |  |  |  |   UNUSED(previous); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   if (next) { | 
		
	
		
			
				|  |  |  |  |     // If entry speed is already at the maximum entry speed, no need to recheck. Block is cruising. | 
		
	
	
		
			
				
					
					|  |  |  | @@ -229,7 +230,7 @@ void planner_reverse_pass_kernel(block_t *previous, block_t *current, block_t *n | 
		
	
		
			
				|  |  |  |  |       if (!current->nominal_length_flag && current->max_entry_speed > next->entry_speed) { | 
		
	
		
			
				|  |  |  |  |         current->entry_speed = min(current->max_entry_speed, | 
		
	
		
			
				|  |  |  |  |           max_allowable_speed(-current->acceleration, next->entry_speed, current->millimeters)); | 
		
	
		
			
				|  |  |  |  |       }  | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
		
			
				|  |  |  |  |       else { | 
		
	
		
			
				|  |  |  |  |         current->entry_speed = current->max_entry_speed; | 
		
	
		
			
				|  |  |  |  |       } | 
		
	
	
		
			
				
					
					|  |  |  | @@ -239,16 +240,16 @@ void planner_reverse_pass_kernel(block_t *previous, block_t *current, block_t *n | 
		
	
		
			
				|  |  |  |  |   } // Skip last block. Already initialized and set for recalculation. | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // planner_recalculate() needs to go over the current plan twice. Once in reverse and once forward. This  | 
		
	
		
			
				|  |  |  |  | // planner_recalculate() needs to go over the current plan twice. Once in reverse and once forward. This | 
		
	
		
			
				|  |  |  |  | // implements the reverse pass. | 
		
	
		
			
				|  |  |  |  | void planner_reverse_pass() { | 
		
	
		
			
				|  |  |  |  |   uint8_t block_index = block_buffer_head; | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   //Make a local copy of block_buffer_tail, because the interrupt can alter it | 
		
	
		
			
				|  |  |  |  |   CRITICAL_SECTION_START; | 
		
	
		
			
				|  |  |  |  |     unsigned char tail = block_buffer_tail; | 
		
	
		
			
				|  |  |  |  |   CRITICAL_SECTION_END | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   if (BLOCK_MOD(block_buffer_head - tail + BLOCK_BUFFER_SIZE) > 3) { // moves queued | 
		
	
		
			
				|  |  |  |  |     block_index = BLOCK_MOD(block_buffer_head - 3); | 
		
	
		
			
				|  |  |  |  |     block_t *block[3] = { NULL, NULL, NULL }; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -265,6 +266,7 @@ void planner_reverse_pass() { | 
		
	
		
			
				|  |  |  |  | // The kernel called by planner_recalculate() when scanning the plan from first to last entry. | 
		
	
		
			
				|  |  |  |  | void planner_forward_pass_kernel(block_t *previous, block_t *current, block_t *next) { | 
		
	
		
			
				|  |  |  |  |   if (!previous) return; | 
		
	
		
			
				|  |  |  |  |   UNUSED(next); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // If the previous block is an acceleration block, but it is not long enough to complete the | 
		
	
		
			
				|  |  |  |  |   // full speed change within the block, we need to adjust the entry speed accordingly. Entry | 
		
	
	
		
			
				
					
					|  |  |  | @@ -300,8 +302,8 @@ void planner_forward_pass() { | 
		
	
		
			
				|  |  |  |  |   planner_forward_pass_kernel(block[1], block[2], NULL); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // Recalculates the trapezoid speed profiles for all blocks in the plan according to the  | 
		
	
		
			
				|  |  |  |  | // entry_factor for each junction. Must be called by planner_recalculate() after  | 
		
	
		
			
				|  |  |  |  | // Recalculates the trapezoid speed profiles for all blocks in the plan according to the | 
		
	
		
			
				|  |  |  |  | // entry_factor for each junction. Must be called by planner_recalculate() after | 
		
	
		
			
				|  |  |  |  | // updating the blocks. | 
		
	
		
			
				|  |  |  |  | void planner_recalculate_trapezoids() { | 
		
	
		
			
				|  |  |  |  |   int8_t block_index = block_buffer_tail; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -332,22 +334,22 @@ void planner_recalculate_trapezoids() { | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | // Recalculates the motion plan according to the following algorithm: | 
		
	
		
			
				|  |  |  |  | // | 
		
	
		
			
				|  |  |  |  | //   1. Go over every block in reverse order and calculate a junction speed reduction (i.e. block_t.entry_factor)  | 
		
	
		
			
				|  |  |  |  | //   1. Go over every block in reverse order and calculate a junction speed reduction (i.e. block_t.entry_factor) | 
		
	
		
			
				|  |  |  |  | //      so that: | 
		
	
		
			
				|  |  |  |  | //     a. The junction jerk is within the set limit | 
		
	
		
			
				|  |  |  |  | //     b. No speed reduction within one block requires faster deceleration than the one, true constant  | 
		
	
		
			
				|  |  |  |  | //     b. No speed reduction within one block requires faster deceleration than the one, true constant | 
		
	
		
			
				|  |  |  |  | //        acceleration. | 
		
	
		
			
				|  |  |  |  | //   2. Go over every block in chronological order and dial down junction speed reduction values if  | 
		
	
		
			
				|  |  |  |  | //     a. The speed increase within one block would require faster acceleration than the one, true  | 
		
	
		
			
				|  |  |  |  | //   2. Go over every block in chronological order and dial down junction speed reduction values if | 
		
	
		
			
				|  |  |  |  | //     a. The speed increase within one block would require faster acceleration than the one, true | 
		
	
		
			
				|  |  |  |  | //        constant acceleration. | 
		
	
		
			
				|  |  |  |  | // | 
		
	
		
			
				|  |  |  |  | // When these stages are complete all blocks have an entry_factor that will allow all speed changes to  | 
		
	
		
			
				|  |  |  |  | // be performed using only the one, true constant acceleration, and where no junction jerk is jerkier than  | 
		
	
		
			
				|  |  |  |  | // When these stages are complete all blocks have an entry_factor that will allow all speed changes to | 
		
	
		
			
				|  |  |  |  | // be performed using only the one, true constant acceleration, and where no junction jerk is jerkier than | 
		
	
		
			
				|  |  |  |  | // the set limit. Finally it will: | 
		
	
		
			
				|  |  |  |  | // | 
		
	
		
			
				|  |  |  |  | //   3. Recalculate trapezoids for all blocks. | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | void planner_recalculate() {    | 
		
	
		
			
				|  |  |  |  | void planner_recalculate() { | 
		
	
		
			
				|  |  |  |  |   planner_reverse_pass(); | 
		
	
		
			
				|  |  |  |  |   planner_forward_pass(); | 
		
	
		
			
				|  |  |  |  |   planner_recalculate_trapezoids(); | 
		
	
	
		
			
				
					
					|  |  |  | @@ -356,7 +358,7 @@ void planner_recalculate() { | 
		
	
		
			
				|  |  |  |  | void plan_init() { | 
		
	
		
			
				|  |  |  |  |   block_buffer_head = block_buffer_tail = 0; | 
		
	
		
			
				|  |  |  |  |   memset(position, 0, sizeof(position)); // clear position | 
		
	
		
			
				|  |  |  |  |   for (int i=0; i<NUM_AXIS; i++) previous_speed[i] = 0.0;  | 
		
	
		
			
				|  |  |  |  |   for (int i=0; i<NUM_AXIS; i++) previous_speed[i] = 0.0; | 
		
	
		
			
				|  |  |  |  |   previous_nominal_speed = 0.0; | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
	
		
			
				
					
					|  |  |  | @@ -469,7 +471,7 @@ void check_axes_activity() { | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  | // Add a new linear movement to the buffer. steps[X_AXIS], _y and _z is the absolute position in  | 
		
	
		
			
				|  |  |  |  | // Add a new linear movement to the buffer. steps[X_AXIS], _y and _z is the absolute position in | 
		
	
		
			
				|  |  |  |  | // mm. Microseconds specify how many microseconds the move should take to perform. To aid acceleration | 
		
	
		
			
				|  |  |  |  | // calculation the caller must also provide the physical length of the line in millimeters. | 
		
	
		
			
				|  |  |  |  | #if ENABLED(ENABLE_AUTO_BED_LEVELING) || ENABLED(MESH_BED_LEVELING) | 
		
	
	
		
			
				
					
					|  |  |  | @@ -481,7 +483,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |   // Calculate the buffer head after we push this byte | 
		
	
		
			
				|  |  |  |  |   int next_buffer_head = next_block_index(block_buffer_head); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // If the buffer is full: good! That means we are well ahead of the robot.  | 
		
	
		
			
				|  |  |  |  |   // If the buffer is full: good! That means we are well ahead of the robot. | 
		
	
		
			
				|  |  |  |  |   // Rest here until there is room in the buffer. | 
		
	
		
			
				|  |  |  |  |   while (block_buffer_tail == next_buffer_head) idle(); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
	
		
			
				
					
					|  |  |  | @@ -497,7 +499,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |   long target[NUM_AXIS]; | 
		
	
		
			
				|  |  |  |  |   target[X_AXIS] = lround(x * axis_steps_per_unit[X_AXIS]); | 
		
	
		
			
				|  |  |  |  |   target[Y_AXIS] = lround(y * axis_steps_per_unit[Y_AXIS]); | 
		
	
		
			
				|  |  |  |  |   target[Z_AXIS] = lround(z * axis_steps_per_unit[Z_AXIS]);      | 
		
	
		
			
				|  |  |  |  |   target[Z_AXIS] = lround(z * axis_steps_per_unit[Z_AXIS]); | 
		
	
		
			
				|  |  |  |  |   target[E_AXIS] = lround(e * axis_steps_per_unit[E_AXIS]); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   float dx = target[X_AXIS] - position[X_AXIS], | 
		
	
	
		
			
				
					
					|  |  |  | @@ -569,7 +571,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |     block->e_to_p_pressure = EtoPPressure; | 
		
	
		
			
				|  |  |  |  |   #endif | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Compute direction bits for this block  | 
		
	
		
			
				|  |  |  |  |   // Compute direction bits for this block | 
		
	
		
			
				|  |  |  |  |   uint8_t db = 0; | 
		
	
		
			
				|  |  |  |  |   #if ENABLED(COREXY) | 
		
	
		
			
				|  |  |  |  |     if (dx < 0) db |= BIT(X_HEAD); // Save the real Extruder (head) direction in X Axis | 
		
	
	
		
			
				
					
					|  |  |  | @@ -585,10 +587,10 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |     if (dx - dz < 0) db |= BIT(C_AXIS); // Motor B direction | 
		
	
		
			
				|  |  |  |  |   #else | 
		
	
		
			
				|  |  |  |  |     if (dx < 0) db |= BIT(X_AXIS); | 
		
	
		
			
				|  |  |  |  |     if (dy < 0) db |= BIT(Y_AXIS);  | 
		
	
		
			
				|  |  |  |  |     if (dy < 0) db |= BIT(Y_AXIS); | 
		
	
		
			
				|  |  |  |  |     if (dz < 0) db |= BIT(Z_AXIS); | 
		
	
		
			
				|  |  |  |  |   #endif | 
		
	
		
			
				|  |  |  |  |   if (de < 0) db |= BIT(E_AXIS);  | 
		
	
		
			
				|  |  |  |  |   if (de < 0) db |= BIT(E_AXIS); | 
		
	
		
			
				|  |  |  |  |   block->direction_bits = db; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   block->active_extruder = extruder; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -622,7 +624,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |       for (int i=0; i<EXTRUDERS; i++) | 
		
	
		
			
				|  |  |  |  |         if (g_uc_extruder_last_move[i] > 0) g_uc_extruder_last_move[i]--; | 
		
	
		
			
				|  |  |  |  |        | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |       switch(extruder) { | 
		
	
		
			
				|  |  |  |  |         case 0: | 
		
	
		
			
				|  |  |  |  |           enable_e0(); | 
		
	
	
		
			
				
					
					|  |  |  | @@ -686,13 +688,13 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |     NOLESS(feed_rate, mintravelfeedrate); | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   /** | 
		
	
		
			
				|  |  |  |  |    * This part of the code calculates the total length of the movement.  | 
		
	
		
			
				|  |  |  |  |    * This part of the code calculates the total length of the movement. | 
		
	
		
			
				|  |  |  |  |    * For cartesian bots, the X_AXIS is the real X movement and same for Y_AXIS. | 
		
	
		
			
				|  |  |  |  |    * But for corexy bots, that is not true. The "X_AXIS" and "Y_AXIS" motors (that should be named to A_AXIS | 
		
	
		
			
				|  |  |  |  |    * and B_AXIS) cannot be used for X and Y length, because A=X+Y and B=X-Y. | 
		
	
		
			
				|  |  |  |  |    * So we need to create other 2 "AXIS", named X_HEAD and Y_HEAD, meaning the real displacement of the Head.  | 
		
	
		
			
				|  |  |  |  |    * So we need to create other 2 "AXIS", named X_HEAD and Y_HEAD, meaning the real displacement of the Head. | 
		
	
		
			
				|  |  |  |  |    * Having the real displacement of the head, we can calculate the total movement length and apply the desired speed. | 
		
	
		
			
				|  |  |  |  |    */  | 
		
	
		
			
				|  |  |  |  |    */ | 
		
	
		
			
				|  |  |  |  |   #if ENABLED(COREXY) | 
		
	
		
			
				|  |  |  |  |     float delta_mm[6]; | 
		
	
		
			
				|  |  |  |  |     delta_mm[X_HEAD] = dx / axis_steps_per_unit[A_AXIS]; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -717,7 +719,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   if (block->steps[X_AXIS] <= dropsegments && block->steps[Y_AXIS] <= dropsegments && block->steps[Z_AXIS] <= dropsegments) { | 
		
	
		
			
				|  |  |  |  |     block->millimeters = fabs(delta_mm[E_AXIS]); | 
		
	
		
			
				|  |  |  |  |   }  | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |   else { | 
		
	
		
			
				|  |  |  |  |     block->millimeters = sqrt( | 
		
	
		
			
				|  |  |  |  |       #if ENABLED(COREXY) | 
		
	
	
		
			
				
					
					|  |  |  | @@ -729,7 +731,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |       #endif | 
		
	
		
			
				|  |  |  |  |     ); | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |   float inverse_millimeters = 1.0 / block->millimeters;  // Inverse millimeters to remove multiple divides  | 
		
	
		
			
				|  |  |  |  |   float inverse_millimeters = 1.0 / block->millimeters;  // Inverse millimeters to remove multiple divides | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Calculate speed in mm/second for each axis. No divide by zero due to previous checks. | 
		
	
		
			
				|  |  |  |  |   float inverse_second = feed_rate * inverse_millimeters; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -762,7 +764,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   #if ENABLED(FILAMENT_SENSOR) | 
		
	
		
			
				|  |  |  |  |     //FMM update ring buffer used for delay with filament measurements | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     if (extruder == FILAMENT_SENSOR_EXTRUDER_NUM && delay_index2 > -1) {  //only for extruder with filament sensor and if ring buffer is initialized | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |       const int MMD = MAX_MEASUREMENT_DELAY + 1, MMD10 = MMD * 10; | 
		
	
	
		
			
				
					
					|  |  |  | @@ -803,7 +805,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |     unsigned char direction_change = block->direction_bits ^ old_direction_bits; | 
		
	
		
			
				|  |  |  |  |     old_direction_bits = block->direction_bits; | 
		
	
		
			
				|  |  |  |  |     segment_time = lround((float)segment_time / speed_factor); | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |     long xs0 = axis_segment_time[X_AXIS][0], | 
		
	
		
			
				|  |  |  |  |          xs1 = axis_segment_time[X_AXIS][1], | 
		
	
		
			
				|  |  |  |  |          xs2 = axis_segment_time[X_AXIS][2], | 
		
	
	
		
			
				
					
					|  |  |  | @@ -834,14 +836,14 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |     } | 
		
	
		
			
				|  |  |  |  |   #endif // XY_FREQUENCY_LIMIT | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Correct the speed   | 
		
	
		
			
				|  |  |  |  |   // Correct the speed | 
		
	
		
			
				|  |  |  |  |   if (speed_factor < 1.0) { | 
		
	
		
			
				|  |  |  |  |     for (unsigned char i = 0; i < NUM_AXIS; i++) current_speed[i] *= speed_factor; | 
		
	
		
			
				|  |  |  |  |     block->nominal_speed *= speed_factor; | 
		
	
		
			
				|  |  |  |  |     block->nominal_rate *= speed_factor; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Compute and limit the acceleration rate for the trapezoid generator.   | 
		
	
		
			
				|  |  |  |  |   // Compute and limit the acceleration rate for the trapezoid generator. | 
		
	
		
			
				|  |  |  |  |   float steps_per_mm = block->step_event_count / block->millimeters; | 
		
	
		
			
				|  |  |  |  |   long bsx = block->steps[X_AXIS], bsy = block->steps[Y_AXIS], bsz = block->steps[Z_AXIS], bse = block->steps[E_AXIS]; | 
		
	
		
			
				|  |  |  |  |   if (bsx == 0 && bsy == 0 && bsz == 0) { | 
		
	
	
		
			
				
					
					|  |  |  | @@ -863,7 +865,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |   if ((float)acc_st * bsy / block->step_event_count > ysteps) acc_st = ysteps; | 
		
	
		
			
				|  |  |  |  |   if ((float)acc_st * bsz / block->step_event_count > zsteps) acc_st = zsteps; | 
		
	
		
			
				|  |  |  |  |   if ((float)acc_st * bse / block->step_event_count > esteps) acc_st = esteps; | 
		
	
		
			
				|  |  |  |  |   | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   block->acceleration_st = acc_st; | 
		
	
		
			
				|  |  |  |  |   block->acceleration = acc_st / steps_per_mm; | 
		
	
		
			
				|  |  |  |  |   block->acceleration_rate = (long)(acc_st * 16777216.0 / (F_CPU / 8.0)); | 
		
	
	
		
			
				
					
					|  |  |  | @@ -911,7 +913,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Start with a safe speed | 
		
	
		
			
				|  |  |  |  |   float vmax_junction = max_xy_jerk / 2; | 
		
	
		
			
				|  |  |  |  |   float vmax_junction_factor = 1.0;  | 
		
	
		
			
				|  |  |  |  |   float vmax_junction_factor = 1.0; | 
		
	
		
			
				|  |  |  |  |   float mz2 = max_z_jerk / 2, me2 = max_e_jerk / 2; | 
		
	
		
			
				|  |  |  |  |   float csz = current_speed[Z_AXIS], cse = current_speed[E_AXIS]; | 
		
	
		
			
				|  |  |  |  |   if (fabs(csz) > mz2) vmax_junction = min(vmax_junction, mz2); | 
		
	
	
		
			
				
					
					|  |  |  | @@ -949,7 +951,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |   // block nominal speed limits both the current and next maximum junction speeds. Hence, in both | 
		
	
		
			
				|  |  |  |  |   // the reverse and forward planners, the corresponding block junction speed will always be at the | 
		
	
		
			
				|  |  |  |  |   // the maximum junction speed and may always be ignored for any speed reduction checks. | 
		
	
		
			
				|  |  |  |  |   block->nominal_length_flag = (block->nominal_speed <= v_allowable);  | 
		
	
		
			
				|  |  |  |  |   block->nominal_length_flag = (block->nominal_speed <= v_allowable); | 
		
	
		
			
				|  |  |  |  |   block->recalculate_flag = true; // Always calculate trapezoid for new block | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   // Update previous path unit_vector and nominal speed | 
		
	
	
		
			
				
					
					|  |  |  | @@ -1029,7 +1031,7 @@ float junction_deviation = 0.1; | 
		
	
		
			
				|  |  |  |  |   } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | void plan_set_e_position(const float &e) { | 
		
	
		
			
				|  |  |  |  |   position[E_AXIS] = lround(e * axis_steps_per_unit[E_AXIS]);   | 
		
	
		
			
				|  |  |  |  |   position[E_AXIS] = lround(e * axis_steps_per_unit[E_AXIS]); | 
		
	
		
			
				|  |  |  |  |   st_set_e_position(position[E_AXIS]); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
				|  |  |  |  |  | 
		
	
	
		
			
				
					
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