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use progmem instead of sram for mesh_index_to_x/ypos array;

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fix maximum mesh_index_ array size at 16 (15+1);
This commit is contained in:
Brian
2017-04-22 19:01:39 -04:00
committed by Roxy-3D
parent d5ec34e7ed
commit f1a4758cef
5 changed files with 77 additions and 55 deletions
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16
Marlin/ubl_motion.cpp Normal file → Executable file
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@ -154,7 +154,7 @@
* to create a 1-over number for us. That will allow us to do a floating point multiply instead of a floating point divide.
*/
const float xratio = (RAW_X_POSITION(end[X_AXIS]) - ubl.mesh_index_to_xpos[cell_dest_xi]) * (1.0 / (MESH_X_DIST)),
const float xratio = (RAW_X_POSITION(end[X_AXIS]) - pgm_read_float(&(ubl.mesh_index_to_xpos[cell_dest_xi]))) * (1.0 / (MESH_X_DIST)),
z1 = ubl.z_values[cell_dest_xi ][cell_dest_yi ] + xratio *
(ubl.z_values[cell_dest_xi + 1][cell_dest_yi ] - ubl.z_values[cell_dest_xi][cell_dest_yi ]),
z2 = ubl.z_values[cell_dest_xi ][cell_dest_yi + 1] + xratio *
@ -163,7 +163,7 @@
// we are done with the fractional X distance into the cell. Now with the two Z-Heights we have calculated, we
// are going to apply the Y-Distance into the cell to interpolate the final Z correction.
const float yratio = (RAW_Y_POSITION(end[Y_AXIS]) - ubl.mesh_index_to_ypos[cell_dest_yi]) * (1.0 / (MESH_Y_DIST));
const float yratio = (RAW_Y_POSITION(end[Y_AXIS]) - pgm_read_float(&(ubl.mesh_index_to_ypos[cell_dest_yi]))) * (1.0 / (MESH_Y_DIST));
float z0 = z1 + (z2 - z1) * yratio;
@ -262,7 +262,7 @@
current_yi += down_flag; // Line is heading down, we just want to go to the bottom
while (current_yi != cell_dest_yi + down_flag) {
current_yi += dyi;
const float next_mesh_line_y = LOGICAL_Y_POSITION(ubl.mesh_index_to_ypos[current_yi]);
const float next_mesh_line_y = LOGICAL_Y_POSITION(pgm_read_float(&(ubl.mesh_index_to_ypos[current_yi])));
/**
* inf_m_flag? the slope of the line is infinite, we won't do the calculations
@ -304,7 +304,7 @@
*/
if (isnan(z0)) z0 = 0.0;
const float y = LOGICAL_Y_POSITION(ubl.mesh_index_to_ypos[current_yi]);
const float y = LOGICAL_Y_POSITION(pgm_read_float(&(ubl.mesh_index_to_ypos[current_yi])));
/**
* Without this check, it is possible for the algorithm to generate a zero length move in the case
@ -353,7 +353,7 @@
// edge of this cell for the first move.
while (current_xi != cell_dest_xi + left_flag) {
current_xi += dxi;
const float next_mesh_line_x = LOGICAL_X_POSITION(ubl.mesh_index_to_xpos[current_xi]),
const float next_mesh_line_x = LOGICAL_X_POSITION(pgm_read_float(&(ubl.mesh_index_to_xpos[current_xi]))),
y = m * next_mesh_line_x + c; // Calculate X at the next Y mesh line
float z0 = ubl.z_correction_for_y_on_vertical_mesh_line(y, current_xi, current_yi);
@ -389,7 +389,7 @@
*/
if (isnan(z0)) z0 = 0.0;
const float x = LOGICAL_X_POSITION(ubl.mesh_index_to_xpos[current_xi]);
const float x = LOGICAL_X_POSITION(pgm_read_float(&(ubl.mesh_index_to_xpos[current_xi])));
/**
* Without this check, it is possible for the algorithm to generate a zero length move in the case
@ -439,8 +439,8 @@
while (xi_cnt > 0 || yi_cnt > 0) {
const float next_mesh_line_x = LOGICAL_X_POSITION(ubl.mesh_index_to_xpos[current_xi + dxi]),
next_mesh_line_y = LOGICAL_Y_POSITION(ubl.mesh_index_to_ypos[current_yi + dyi]),
const float next_mesh_line_x = LOGICAL_X_POSITION(pgm_read_float(&(ubl.mesh_index_to_xpos[current_xi + dxi]))),
next_mesh_line_y = LOGICAL_Y_POSITION(pgm_read_float(&(ubl.mesh_index_to_ypos[current_yi + dyi]))),
y = m * next_mesh_line_x + c, // Calculate Y at the next X mesh line
x = (next_mesh_line_y - c) / m; // Calculate X at the next Y mesh line
// (No need to worry about m being zero.