purged some unneeded files

gcode/zoetrope.gcode

@@ -1,112 +0,0 @@
-G90
-F1000
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-G1 X-13.7952 Y1.99803 
-G1 X-27.7814 Y11.3222 
-G1 X-27.7814 Y1.99803 
-G1 X-27.7814 Y11.3222 
-G1 X-27.7814 Y1.99803 
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-G1 X-13.7952 Y1.99803 
-G1 X-10.8055 Y21.1219 
-G1 X-11.3961 Y19.7548 
-G1 X-11.558 Y17.878 
-G1 X-10.7814 Y15.9202 
-G1 X-9.92396 Y14.9009 
-G1 X-8.12809 Y13.8007 
-G1 X-6.25129 Y13.6388 
-G1 X-4.80324 Y13.9866 
-G1 X-3.27425 Y15.2728 
-G1 X-2.68367 Y16.64 
-G1 X-2.52182 Y18.5168 
-G1 X-3.29837 Y20.4745 
-G1 X-4.15584 Y21.4938 
-G1 X-5.95171 Y22.5941 
-G1 X-7.8285 Y22.7559 
-G1 X-9.27656 Y22.4081 
-G1 X-10.8055 Y21.1219 
-G1 X4.27576 Y18.746 
-G1 X12.2103 Y17.788 
-G1 X12.3699 Y19.1104 
-G1 X11.8684 Y20.5127 
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-G1 X6.65853 Y21.8125 
-G1 X5.17645 Y20.6498 
-G1 X4.27576 Y18.746 
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-G1 X8.9268 Y12.8177 
-G1 X10.329 Y13.3192 
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-G1 X23.6509 Y14.951 
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-G1 X18.7737 Y13.5584 
-G1 X23.2352 Y1.31533 
-G1 X14.0474 Y-0.273848 
-G1 X23.2352 Y1.31533 
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-G1 X22.9194 Y-0.766981 
-G1 X23.8027 Y-1.966 
-G1 X24.1433 Y-3.9348 
-G1 X18.6913 Y-14.6127 
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-G1 X-10.9479 Y-15.8062 
-G1 X-10.3074 Y-14.6383 
-G1 X-9.93052 Y-12.5662 
-G1 X-10.4579 Y-10.7577 
-G1 X-11.3055 Y-9.53325 
-G1 X-13.0573 Y-8.57243 
-G1 X-14.5455 Y-8.51583

notes/acceleration.c

@@ -1,61 +0,0 @@
-/*
-  acceleration.c - support methods for acceleration-related calcul
-  Part of Grbl
-
-  Copyright (c) 2009-2011 Simen Svale Skogsrud
-
-  Grbl is free software: you can redistribute it and/or modify
-  it under the terms of the GNU General Public License as published by
-  the Free Software Foundation, either version 3 of the License, or
-  (at your option) any later version.
-
-  Grbl is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License for more details.
-
-  You should have received a copy of the GNU General Public License
-  along with Grbl.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-
-// Estimate the maximum speed at a given distance when you need to reach the given 
-// target_velocity with max_acceleration.
-double estimate_max_speed(double max_acceleration, double target_velocity, double distance) {
-  return(sqrt(-2*max_acceleration*distance+target_velocity*target_velocity))
-}
-
-// At what distance must we start accelerating/braking to reach target_speed from current_speed given the 
-// specified constant acceleration.
-double estimate_acceleration_distance(double current_speed, double target_speed, double acceleration) {
-  return((target_speed*target_speed-current_speed*current_speed)/(2*acceleration));
-}
-
-// Calculate feed rate in length-units/second for a single axis
-double axis_feed_rate(double steps_per_stepping, uint32_t stepping_rate, double steps_per_unit) {
-  if (stepping_rate == 0) { return(0.0); }
-  return((TICKS_PER_MICROSECOND*1000000)*steps_per_stepping/(stepping_rate*steps_per_unit));
-}
-
-// The 'swerve' of a joint is equal to the maximum acceleration of any single
-// single axis in the corner between the outgoing and the incoming line. Accelleration control
-// will regulate speed to avoid excessive swerve.
-double calculate_swerve(struct Line* outgoing, struct Line* incoming) {  
-  double x_swerve = abs(
-    axis_feed_rate(
-      ((double)incoming->steps_x)/incoming->maximum_steps, incoming->rate, settings.steps_per_mm[X_AXIS])
-    - axis_feed_rate(
-      ((double)incoming->steps_x)/incoming->maximum_steps, outgoing-> rate, settings.steps_per_mm[X_AXIS]));
-  double y_swerve = abs(
-    axis_feed_rate(
-      ((double)incoming->steps_y)/incoming->maximum_steps, incoming->rate, settings.steps_per_mm[Y_AXIS])
-    - axis_feed_rate(
-      ((double)incoming->steps_y)/incoming->maximum_steps, outgoing-> rate, settings.steps_per_mm[Y_AXIS]));
-  double z_swerve = abs(
-    axis_feed_rate(
-      ((double)incoming->steps_z)/incoming->maximum_steps, incoming->rate, settings.steps_per_mm[Z_AXIS])
-    - axis_feed_rate(
-      ((double)incoming->steps_z)/incoming->maximum_steps, outgoing-> rate, settings.steps_per_mm[Z_AXIS]));
-  return max(x_swerve, max(y_swerve, z_swerve));
-}
-

notes/acceleration.h

@@ -1,12 +0,0 @@
-#ifndef acceleration_h
-#define acceleration_h
-
-// Estimate the maximum speed at a given distance when you need to reach the given 
-// target_velocity with max_accelleration.
-double estimate_max_speed(double max_accelleration, double target_velocity, double distance);
-
-// At what distance must we start accellerating/braking to reach target_speed from current_speed given the 
-// specified constant accelleration.
-double estimate_brake_distance(double current_speed, double target_speed, double acceleration);
-
-#endif