Fixed math
This is why I wanted to sleep on the code I wrote while falling asleep rather than immediately submitting a pull request.
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@ -202,7 +202,7 @@ extern float homing_feedrate[];
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extern bool axis_relative_modes[];
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extern int feedmultiply;
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extern int extrudemultiply; // Sets extrude multiply factor (in percent)
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extern float filament_area[EXTRUDERS]; // cross-sectional area of filament (in cubic millimeters)
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extern float volumetric_multiplier[EXTRUDERS]; // reciprocal of cross-sectional area of filament (in square millimeters), stored this way to reduce computational burden in planner
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extern float current_position[NUM_AXIS] ;
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extern float add_homeing[3];
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#ifdef DELTA
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@ -188,7 +188,7 @@ bool axis_relative_modes[] = AXIS_RELATIVE_MODES;
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int feedmultiply=100; //100->1 200->2
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int saved_feedmultiply;
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int extrudemultiply=100; //100->1 200->2
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float filament_area[EXTRUDERS] = {1.0
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float volumetric_multiplier[EXTRUDERS] = {1.0
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#if EXTRUDERS > 1
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, 1.0
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#if EXTRUDERS > 2
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@ -2222,7 +2222,7 @@ void process_commands()
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SERIAL_ECHOLN(tmp_extruder);
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break;
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}
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filament_area[tmp_extruder] = area;
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volumetric_multiplier[tmp_extruder] = 1 / area;
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}
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break;
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case 201: // M201
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@ -593,7 +593,7 @@ block->steps_y = labs((target[X_AXIS]-position[X_AXIS]) - (target[Y_AXIS]-positi
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#endif
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block->steps_z = labs(target[Z_AXIS]-position[Z_AXIS]);
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block->steps_e = labs(target[E_AXIS]-position[E_AXIS]);
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block->steps_e *= filament_area[active_extruder];
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block->steps_e *= volumetric_multiplier[active_extruder];
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block->steps_e *= extrudemultiply;
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block->steps_e /= 100;
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block->step_event_count = max(block->steps_x, max(block->steps_y, max(block->steps_z, block->steps_e)));
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@ -683,7 +683,7 @@ block->steps_y = labs((target[X_AXIS]-position[X_AXIS]) - (target[Y_AXIS]-positi
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delta_mm[Y_AXIS] = ((target[X_AXIS]-position[X_AXIS]) - (target[Y_AXIS]-position[Y_AXIS]))/axis_steps_per_unit[Y_AXIS];
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#endif
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delta_mm[Z_AXIS] = (target[Z_AXIS]-position[Z_AXIS])/axis_steps_per_unit[Z_AXIS];
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delta_mm[E_AXIS] = ((target[E_AXIS]-position[E_AXIS])/axis_steps_per_unit[E_AXIS])*filament_area[active_extruder]*extrudemultiply/100.0;
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delta_mm[E_AXIS] = ((target[E_AXIS]-position[E_AXIS])/axis_steps_per_unit[E_AXIS])*volumetric_multiplier[active_extruder]*extrudemultiply/100.0;
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if ( block->steps_x <=dropsegments && block->steps_y <=dropsegments && block->steps_z <=dropsegments )
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{
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block->millimeters = fabs(delta_mm[E_AXIS]);
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