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Added G29 command

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This commit is contained in:
Edward Patel 2015-03-21 14:50:47 +01:00
parent c516747847
commit 3d0a060a7a
1 changed files with 89 additions and 0 deletions
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89
Marlin/Marlin_main.cpp
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@ -1983,6 +1983,89 @@ inline void gcode_G28() {
endstops_hit_on_purpose();
}
#if defined(MESH_BED_LEVELING)
inline void gcode_G29() {
static int probe_point = -1;
int state = 0;
if (code_seen('S') || code_seen('s')) {
state = code_value_long();
if (state < 0 || state > 2) {
SERIAL_PROTOCOLPGM("S out of range (0-2).\n");
return;
}
}
if (state == 0) { // Dump mesh_bed_leveling
if (mbl.active) {
SERIAL_PROTOCOLPGM("Num X,Y: ");
SERIAL_PROTOCOL(MESH_NUM_X_POINTS);
SERIAL_PROTOCOLPGM(",");
SERIAL_PROTOCOL(MESH_NUM_Y_POINTS);
SERIAL_PROTOCOLPGM("\nZ search height: ");
SERIAL_PROTOCOL(MESH_HOME_SEARCH_Z);
SERIAL_PROTOCOLPGM("\nMeasured points:\n");
for (int y=0; y<MESH_NUM_Y_POINTS; y++) {
for (int x=0; x<MESH_NUM_X_POINTS; x++) {
SERIAL_PROTOCOLPGM(" ");
SERIAL_PROTOCOL_F(mbl.z_values[y][x], 5);
}
SERIAL_EOL;
}
} else {
SERIAL_PROTOCOLPGM("Mesh bed leveling not active.\n");
}
} else if (state == 1) { // Begin probing mesh points
mbl.reset();
probe_point = 0;
enquecommands_P(PSTR("G28"));
enquecommands_P(PSTR("G29 S2"));
} else if (state == 2) { // Goto next point
if (probe_point < 0) {
SERIAL_PROTOCOLPGM("Mesh probing not started.\n");
return;
}
int ix, iy;
if (probe_point == 0) {
current_position[Z_AXIS] = MESH_HOME_SEARCH_Z;
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
} else {
ix = (probe_point-1) % MESH_NUM_X_POINTS;
iy = (probe_point-1) / MESH_NUM_X_POINTS;
if (iy&1) { // Zig zag
ix = (MESH_NUM_X_POINTS - 1) - ix;
}
mbl.set_z(ix, iy, current_position[Z_AXIS]);
current_position[Z_AXIS] = MESH_HOME_SEARCH_Z;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], homing_feedrate[X_AXIS]/60, active_extruder);
st_synchronize();
}
if (probe_point == MESH_NUM_X_POINTS*MESH_NUM_Y_POINTS) {
SERIAL_PROTOCOLPGM("Mesh done.\n");
probe_point = -1;
mbl.active = 1;
enquecommands_P(PSTR("G28"));
return;
}
ix = probe_point % MESH_NUM_X_POINTS;
iy = probe_point / MESH_NUM_X_POINTS;
if (iy&1) { // Zig zag
ix = (MESH_NUM_X_POINTS - 1) - ix;
}
current_position[X_AXIS] = mbl.get_x(ix);
current_position[Y_AXIS] = mbl.get_y(iy);
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], homing_feedrate[X_AXIS]/60, active_extruder);
st_synchronize();
probe_point++;
}
}
#endif
#ifdef ENABLE_AUTO_BED_LEVELING
// Define the possible boundaries for probing based on set limits
@ -4687,6 +4770,12 @@ void process_commands() {
gcode_G28();
break;
#if defined(MESH_BED_LEVELING)
case 29: // G29 Handle mesh based leveling
gcode_G29();
break;
#endif
#ifdef ENABLE_AUTO_BED_LEVELING
case 29: // G29 Detailed Z-Probe, probes the bed at 3 or more points.