/**
* M900: Get or Set Linear Advance K-factor
*
* K<factor> Set advance K factor
*/
void GcodeSuite::M900() {
#if EXTRUDERS < 2
constexpr uint8_t tmp_extruder = 0;
#else
const uint8_t tmp_extruder = parser.seenval('T') ? parser.value_int() : active_extruder;
if (tmp_extruder >= EXTRUDERS) {
SERIAL_ECHOLNPGM("?T value out of range.");
return;
}
#endif
if (parser.seenval('K')) {
const float newK = parser.floatval('K');
if (WITHIN(newK, 0, 10)) {
planner.synchronize();
planner.extruder_advance_K[tmp_extruder] = newK;
}
else
SERIAL_ECHOLNPGM("?K value out of range (0-10).");
}
else {
SERIAL_ECHO_START();
#if EXTRUDERS < 2
SERIAL_ECHOLNPAIR("Advance K=", planner.extruder_advance_K[0]);
#else
SERIAL_ECHOPGM("Advance K");
LOOP_L_N(i, EXTRUDERS) {
SERIAL_CHAR(' '); SERIAL_ECHO(int(i));
SERIAL_CHAR('='); SERIAL_ECHO(planner.extruder_advance_K[i]);
}
SERIAL_EOL();
#endif
}
void dac_print_values() {
if (!dac_present) return;
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM("Stepper current values in % (Amps):");
SERIAL_ECHO_START();
SERIAL_ECHOPAIR(" X:", dac_perc(X_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(X_AXIS));
SERIAL_ECHOPAIR(") Y:", dac_perc(Y_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(Y_AXIS));
SERIAL_ECHOPAIR(") Z:", dac_perc(Z_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(Z_AXIS));
SERIAL_ECHOPAIR(") E:", dac_perc(E_AXIS));
SERIAL_ECHOPAIR(" (", dac_amps(E_AXIS));
SERIAL_ECHOLN(")");
}
/**
* M0: Unconditional stop - Wait for user button press on LCD
* M1: Conditional stop - Wait for user button press on LCD
*/
void GcodeSuite::M0_M1() {
const char * const args = parser.string_arg;
millis_t ms = 0;
bool hasP = false, hasS = false;
if (parser.seenval('P')) {
ms = parser.value_millis(); // milliseconds to wait
hasP = ms > 0;
}
if (parser.seenval('S')) {
ms = parser.value_millis_from_seconds(); // seconds to wait
hasS = ms > 0;
}
#if ENABLED(ULTIPANEL)
if (!hasP && !hasS && args && *args)
lcd_setstatus(args, true);
else {
LCD_MESSAGEPGM(MSG_USERWAIT);
#if ENABLED(LCD_PROGRESS_BAR) && PROGRESS_MSG_EXPIRE > 0
dontExpireStatus();
#endif
}
#else
if (!hasP && !hasS && args && *args) {
SERIAL_ECHO_START();
SERIAL_ECHOLN(args);
}
#endif
KEEPALIVE_STATE(PAUSED_FOR_USER);
wait_for_user = true;
stepper.synchronize();
refresh_cmd_timeout();
if (ms > 0) {
ms += previous_cmd_ms; // wait until this time for a click
while (PENDING(millis(), ms) && wait_for_user) idle();
}
else {
#if ENABLED(ULTIPANEL)
if (lcd_detected()) {
while (wait_for_user) idle();
IS_SD_PRINTING ? LCD_MESSAGEPGM(MSG_RESUMING) : LCD_MESSAGEPGM(WELCOME_MSG);
}
#else
while (wait_for_user) idle();
#endif
}
wait_for_user = false;
KEEPALIVE_STATE(IN_HANDLER);
}
FORCE_INLINE void mod_zprobe_zoffset(const float &offs) {
if (true
#if ENABLED(BABYSTEP_HOTEND_Z_OFFSET)
&& active_extruder == 0
#endif
) {
zprobe_zoffset += offs;
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_PROBE_Z_OFFSET ": ", zprobe_zoffset);
}
#if ENABLED(BABYSTEP_HOTEND_Z_OFFSET)
else {
hotend_offset[Z_AXIS][active_extruder] -= offs;
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_IDEX_Z_OFFSET ": ", hotend_offset[Z_AXIS][active_extruder]);
}
#endif
}
/**
* M113: Get or set Host Keepalive interval (0 to disable)
*
* S<seconds> Optional. Set the keepalive interval.
*/
void GcodeSuite::M113() {
if (parser.seenval('S')) {
host_keepalive_interval = parser.value_byte();
NOMORE(host_keepalive_interval, 60);
}
else {
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR("M113 S", (unsigned long)host_keepalive_interval);
}
}
bool write_data(int &pos, const uint8_t *value, uint16_t size, uint16_t *crc) {
while (size--) {
uint8_t * const p = (uint8_t * const)pos;
uint8_t v = *value;
// EEPROM has only ~100,000 write cycles,
// so only write bytes that have changed!
if (v != eeprom_read_byte(p)) {
eeprom_write_byte(p, v);
if (eeprom_read_byte(p) != v) {
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_ERR_EEPROM_WRITE);
return true;
}
}
crc16(crc, &v, 1);
pos++;
value++;
};
return false;
}
/**
* Perform a tool-change, which may result in moving the
* previous tool out of the way and the new tool into place.
*/
void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool no_move/*=false*/) {
#if ENABLED(MIXING_EXTRUDER)
UNUSED(fr_mm_s); UNUSED(no_move);
if (tmp_extruder >= MIXING_VIRTUAL_TOOLS)
return invalid_extruder_error(tmp_extruder);
#if MIXING_VIRTUAL_TOOLS > 1
// T0-Tnnn: Switch virtual tool by changing the index to the mix
mixer.T(tmp_extruder);
#endif
#elif ENABLED(PRUSA_MMU2)
UNUSED(fr_mm_s); UNUSED(no_move);
mmu2.toolChange(tmp_extruder);
#elif EXTRUDERS < 2
UNUSED(fr_mm_s); UNUSED(no_move);
if (tmp_extruder) invalid_extruder_error(tmp_extruder);
return;
#else // EXTRUDERS > 1
planner.synchronize();
#if ENABLED(DUAL_X_CARRIAGE) // Only T0 allowed if the Printer is in DXC_DUPLICATION_MODE or DXC_MIRRORED_MODE
if (tmp_extruder != 0 && dxc_is_duplicating())
return invalid_extruder_error(tmp_extruder);
#endif
#if HAS_LEVELING
// Set current position to the physical position
const bool leveling_was_active = planner.leveling_active;
set_bed_leveling_enabled(false);
#endif
if (tmp_extruder >= EXTRUDERS)
return invalid_extruder_error(tmp_extruder);
if (!no_move && !all_axes_homed()) {
no_move = true;
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("No move on toolchange");
}
#if HAS_LCD_MENU
ui.return_to_status();
#endif
#if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
const bool should_swap = !no_move && toolchange_settings.swap_length;
#if ENABLED(PREVENT_COLD_EXTRUSION)
const bool too_cold = !DEBUGGING(DRYRUN) && (thermalManager.targetTooColdToExtrude(active_extruder) || thermalManager.targetTooColdToExtrude(tmp_extruder));
#else
constexpr bool too_cold = false;
#endif
if (should_swap) {
if (too_cold) {
SERIAL_ECHO_MSG(MSG_ERR_HOTEND_TOO_COLD);
#if ENABLED(SINGLENOZZLE)
active_extruder = tmp_extruder;
return;
#endif
}
else {
#if ENABLED(ADVANCED_PAUSE_FEATURE)
do_pause_e_move(-toolchange_settings.swap_length, MMM_TO_MMS(toolchange_settings.retract_speed));
#else
current_position[E_AXIS] -= toolchange_settings.swap_length / planner.e_factor[active_extruder];
planner.buffer_line(current_position, MMM_TO_MMS(toolchange_settings.retract_speed), active_extruder);
#endif
}
}
#endif // TOOLCHANGE_FILAMENT_SWAP
if (tmp_extruder != active_extruder) {
#if SWITCHING_NOZZLE_TWO_SERVOS
raise_nozzle(active_extruder);
#endif
const float old_feedrate_mm_s = fr_mm_s > 0.0 ? fr_mm_s : feedrate_mm_s;
feedrate_mm_s = fr_mm_s > 0.0 ? fr_mm_s : XY_PROBE_FEEDRATE_MM_S;
#if HAS_SOFTWARE_ENDSTOPS && ENABLED(DUAL_X_CARRIAGE)
update_software_endstops(X_AXIS, active_extruder, tmp_extruder);
#endif
set_destination_from_current();
if (!no_move) {
#if DISABLED(SWITCHING_NOZZLE)
// Do a small lift to avoid the workpiece in the move back (below)
#if ENABLED(TOOLCHANGE_PARK)
current_position[X_AXIS] = toolchange_settings.change_point.x;
current_position[Y_AXIS] = toolchange_settings.change_point.y;
#endif
current_position[Z_AXIS] += toolchange_settings.z_raise;
#if HAS_SOFTWARE_ENDSTOPS
NOMORE(current_position[Z_AXIS], soft_endstop[Z_AXIS].max);
#endif
planner.buffer_line(current_position, feedrate_mm_s, active_extruder);
#endif
planner.synchronize();
}
#if HAS_HOTEND_OFFSET
#if ENABLED(DUAL_X_CARRIAGE)
constexpr float xdiff = 0;
#else
const float xdiff = hotend_offset[X_AXIS][tmp_extruder] - hotend_offset[X_AXIS][active_extruder];
#endif
const float ydiff = hotend_offset[Y_AXIS][tmp_extruder] - hotend_offset[Y_AXIS][active_extruder],
zdiff = hotend_offset[Z_AXIS][tmp_extruder] - hotend_offset[Z_AXIS][active_extruder];
#else
constexpr float xdiff = 0, ydiff = 0, zdiff = 0;
#endif
#if ENABLED(DUAL_X_CARRIAGE)
dualx_tool_change(tmp_extruder, no_move);
#elif ENABLED(PARKING_EXTRUDER) // Dual Parking extruder
parking_extruder_tool_change(tmp_extruder, no_move);
#elif ENABLED(MAGNETIC_PARKING_EXTRUDER) // Magnetic Parking extruder
magnetic_parking_extruder_tool_change(tmp_extruder);
#elif ENABLED(SWITCHING_TOOLHEAD) // Switching Toolhead
switching_toolhead_tool_change(tmp_extruder, fr_mm_s, no_move);
#elif ENABLED(SWITCHING_NOZZLE) && !SWITCHING_NOZZLE_TWO_SERVOS
// Raise by a configured distance to avoid workpiece, except with
// SWITCHING_NOZZLE_TWO_SERVOS, as both nozzles will lift instead.
current_position[Z_AXIS] += MAX(-zdiff, 0.0) + toolchange_settings.z_raise;
#if HAS_SOFTWARE_ENDSTOPS
NOMORE(current_position[Z_AXIS], soft_endstop[Z_AXIS].max);
#endif
if (!no_move) fast_line_to_current(Z_AXIS);
move_nozzle_servo(tmp_extruder);
#endif
if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR("Offset Tool XY by { ", xdiff, ", ", ydiff, ", ", zdiff, " }");
// The newly-selected extruder XY is actually at...
current_position[X_AXIS] += xdiff;
current_position[Y_AXIS] += ydiff;
current_position[Z_AXIS] += zdiff;
// Set the new active extruder if not already done in tool specific function above
active_extruder = tmp_extruder;
// Tell the planner the new "current position"
sync_plan_position();
#if ENABLED(DELTA)
//LOOP_XYZ(i) update_software_endstops(i); // or modify the constrain function
const bool safe_to_move = current_position[Z_AXIS] < delta_clip_start_height - 1;
#else
constexpr bool safe_to_move = true;
#endif
// Return to position and lower again
if (safe_to_move && !no_move && IsRunning()) {
if (DEBUGGING(LEVELING)) DEBUG_POS("Move back", destination);
#if ENABLED(SINGLENOZZLE)
#if FAN_COUNT > 0
singlenozzle_fan_speed[active_extruder] = thermalManager.fan_speed[0];
thermalManager.fan_speed[0] = singlenozzle_fan_speed[tmp_extruder];
#endif
singlenozzle_temp[active_extruder] = thermalManager.temp_hotend[0].target;
if (singlenozzle_temp[tmp_extruder] && singlenozzle_temp[tmp_extruder] != singlenozzle_temp[active_extruder]) {
thermalManager.setTargetHotend(singlenozzle_temp[tmp_extruder], 0);
#if EITHER(ULTRA_LCD, EXTENSIBLE_UI)
thermalManager.set_heating_message(0);
#endif
(void)thermalManager.wait_for_hotend(0, false); // Wait for heating or cooling
}
active_extruder = tmp_extruder;
#endif
#if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
if (should_swap && !too_cold) {
#if ENABLED(ADVANCED_PAUSE_FEATURE)
do_pause_e_move(toolchange_settings.swap_length + TOOLCHANGE_FIL_EXTRA_PRIME, toolchange_settings.prime_speed);
#else
current_position[E_AXIS] += (toolchange_settings.swap_length + TOOLCHANGE_FIL_EXTRA_PRIME) / planner.e_factor[tmp_extruder];
planner.buffer_line(current_position, toolchange_settings.prime_speed, tmp_extruder);
#endif
planner.synchronize();
#if TOOLCHANGE_FIL_EXTRA_PRIME
planner.set_e_position_mm((destination[E_AXIS] = current_position[E_AXIS] = current_position[E_AXIS] - (TOOLCHANGE_FIL_EXTRA_PRIME)));
#endif
}
#endif
// Prevent a move outside physical bounds
apply_motion_limits(destination);
// Move back to the original (or tweaked) position
do_blocking_move_to(destination);
#if ENABLED(DUAL_X_CARRIAGE)
active_extruder_parked = false;
#endif
feedrate_mm_s = old_feedrate_mm_s;
}
#if ENABLED(SWITCHING_NOZZLE)
else {
// Move back down. (Including when the new tool is higher.)
do_blocking_move_to_z(destination[Z_AXIS], planner.settings.max_feedrate_mm_s[Z_AXIS]);
}
#endif
#if ENABLED(PRUSA_MMU2)
mmu2.toolChange(tmp_extruder);
#endif
#if SWITCHING_NOZZLE_TWO_SERVOS
lower_nozzle(active_extruder);
#endif
#if ENABLED(TOOLCHANGE_FILAMENT_SWAP) && ADVANCED_PAUSE_RESUME_PRIME != 0
if (should_swap && !too_cold) {
const float resume_eaxis = current_position[E_AXIS];
#if ENABLED(ADVANCED_PAUSE_FEATURE)
do_pause_e_move(toolchange_settings.swap_length, toolchange_settings.prime_speed);
#else
current_position[E_AXIS] += (ADVANCED_PAUSE_RESUME_PRIME) / planner.e_factor[active_extruder];
planner.buffer_line(current_position, ADVANCED_PAUSE_PURGE_FEEDRATE, active_extruder);
#endif
planner.synchronize();
planner.set_e_position_mm((destination[E_AXIS] = current_position[E_AXIS] = resume_eaxis));
}
#endif
} // (tmp_extruder != active_extruder)
planner.synchronize();
#if ENABLED(EXT_SOLENOID) && DISABLED(PARKING_EXTRUDER)
disable_all_solenoids();
enable_solenoid_on_active_extruder();
#endif
#if ENABLED(MK2_MULTIPLEXER)
if (tmp_extruder >= E_STEPPERS) return invalid_extruder_error(tmp_extruder);
select_multiplexed_stepper(tmp_extruder);
#endif
#if DO_SWITCH_EXTRUDER
planner.synchronize();
move_extruder_servo(active_extruder);
#endif
#if HAS_FANMUX
fanmux_switch(active_extruder);
#endif
#if HAS_LEVELING
// Restore leveling to re-establish the logical position
set_bed_leveling_enabled(leveling_was_active);
#endif
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, int(active_extruder));
#endif // EXTRUDERS > 1
}
inline void invalid_extruder_error(const uint8_t e) {
SERIAL_ECHO_START();
SERIAL_CHAR('T'); SERIAL_ECHO(int(e));
SERIAL_CHAR(' '); SERIAL_ECHOLNPGM(MSG_INVALID_EXTRUDER);
}
/**
* M420: Enable/Disable Bed Leveling and/or set the Z fade height.
*
* S[bool] Turns leveling on or off
* Z[height] Sets the Z fade height (0 or none to disable)
* V[bool] Verbose - Print the leveling grid
*
* With AUTO_BED_LEVELING_UBL only:
*
* L[index] Load UBL mesh from index (0 is default)
* T[map] 0:Human-readable 1:CSV 2:"LCD" 4:Compact
*
* With mesh-based leveling only:
*
* C Center mesh on the mean of the lowest and highest
*
* With MARLIN_DEV_MODE:
* S2 Create a simple random mesh and enable
*/
void GcodeSuite::M420() {
const bool seen_S = parser.seen('S'),
to_enable = seen_S ? parser.value_bool() : planner.leveling_active;
#if ENABLED(MARLIN_DEV_MODE)
if (parser.intval('S') == 2) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
bilinear_start[X_AXIS] = MIN_PROBE_X;
bilinear_start[Y_AXIS] = MIN_PROBE_Y;
bilinear_grid_spacing[X_AXIS] = (MAX_PROBE_X - (MIN_PROBE_X)) / (GRID_MAX_POINTS_X - 1);
bilinear_grid_spacing[Y_AXIS] = (MAX_PROBE_Y - (MIN_PROBE_Y)) / (GRID_MAX_POINTS_Y - 1);
#endif
for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
Z_VALUES(x, y) = 0.001 * random(-200, 200);
SERIAL_ECHOPGM("Simulated " STRINGIFY(GRID_MAX_POINTS_X) "x" STRINGIFY(GRID_MAX_POINTS_X) " mesh ");
SERIAL_ECHOPAIR(" (", MIN_PROBE_X);
SERIAL_CHAR(','); SERIAL_ECHO(MIN_PROBE_Y);
SERIAL_ECHOPAIR(")-(", MAX_PROBE_X);
SERIAL_CHAR(','); SERIAL_ECHO(MAX_PROBE_Y);
SERIAL_ECHOLNPGM(")");
}
#endif
// If disabling leveling do it right away
// (Don't disable for just M420 or M420 V)
if (seen_S && !to_enable) set_bed_leveling_enabled(false);
const float oldpos[] = { current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS] };
#if ENABLED(AUTO_BED_LEVELING_UBL)
// L to load a mesh from the EEPROM
if (parser.seen('L')) {
set_bed_leveling_enabled(false);
#if ENABLED(EEPROM_SETTINGS)
const int8_t storage_slot = parser.has_value() ? parser.value_int() : ubl.storage_slot;
const int16_t a = settings.calc_num_meshes();
if (!a) {
SERIAL_ECHOLNPGM("?EEPROM storage not available.");
return;
}
if (!WITHIN(storage_slot, 0, a - 1)) {
SERIAL_ECHOLNPGM("?Invalid storage slot.");
SERIAL_ECHOLNPAIR("?Use 0 to ", a - 1);
return;
}
settings.load_mesh(storage_slot);
ubl.storage_slot = storage_slot;
#else
SERIAL_ECHOLNPGM("?EEPROM storage not available.");
return;
#endif
}
// L or V display the map info
if (parser.seen('L') || parser.seen('V')) {
ubl.display_map(parser.byteval('T'));
SERIAL_ECHOPGM("Mesh is ");
if (!ubl.mesh_is_valid()) SERIAL_ECHOPGM("in");
SERIAL_ECHOLNPAIR("valid\nStorage slot: ", ubl.storage_slot);
}
#endif // AUTO_BED_LEVELING_UBL
const bool seenV = parser.seen('V');
#if HAS_MESH
if (leveling_is_valid()) {
// Subtract the given value or the mean from all mesh values
if (parser.seen('C')) {
const float cval = parser.value_float();
#if ENABLED(AUTO_BED_LEVELING_UBL)
set_bed_leveling_enabled(false);
ubl.adjust_mesh_to_mean(true, cval);
#else
#if ENABLED(M420_C_USE_MEAN)
// Get the sum and average of all mesh values
float mesh_sum = 0;
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
mesh_sum += Z_VALUES(x, y);
const float zmean = mesh_sum / float(GRID_MAX_POINTS);
#else
// Find the low and high mesh values
float lo_val = 100, hi_val = -100;
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;) {
const float z = Z_VALUES(x, y);
NOMORE(lo_val, z);
NOLESS(hi_val, z);
}
// Take the mean of the lowest and highest
const float zmean = (lo_val + hi_val) / 2.0 + cval;
#endif
// If not very close to 0, adjust the mesh
if (!NEAR_ZERO(zmean)) {
set_bed_leveling_enabled(false);
// Subtract the mean from all values
for (uint8_t x = GRID_MAX_POINTS_X; x--;)
for (uint8_t y = GRID_MAX_POINTS_Y; y--;)
Z_VALUES(x, y) -= zmean;
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
bed_level_virt_interpolate();
#endif
}
#endif
}
}
else if (to_enable || seenV) {
SERIAL_ECHO_MSG("Invalid mesh.");
goto EXIT_M420;
}
#endif // HAS_MESH
// V to print the matrix or mesh
if (seenV) {
#if ABL_PLANAR
planner.bed_level_matrix.debug(PSTR("Bed Level Correction Matrix:"));
#else
if (leveling_is_valid()) {
#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
print_bilinear_leveling_grid();
#if ENABLED(ABL_BILINEAR_SUBDIVISION)
print_bilinear_leveling_grid_virt();
#endif
#elif ENABLED(MESH_BED_LEVELING)
SERIAL_ECHOLNPGM("Mesh Bed Level data:");
mbl.report_mesh();
#endif
}
#endif
}
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
if (parser.seen('Z')) set_z_fade_height(parser.value_linear_units(), false);
#endif
// Enable leveling if specified, or if previously active
set_bed_leveling_enabled(to_enable);
#if HAS_MESH
EXIT_M420:
#endif
// Error if leveling failed to enable or reenable
if (to_enable && !planner.leveling_active)
SERIAL_ERROR_MSG(MSG_ERR_M420_FAILED);
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Bed Leveling ");
serialprintln_onoff(planner.leveling_active);
#if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Fade Height ");
if (planner.z_fade_height > 0.0)
SERIAL_ECHOLN(planner.z_fade_height);
else
SERIAL_ECHOLNPGM(MSG_OFF);
#endif
// Report change in position
if (memcmp(oldpos, current_position, sizeof(oldpos)))
report_current_position();
}
void GCodeParser::unknown_command_error() {
SERIAL_ECHO_START();
SERIAL_ECHOPAIR(MSG_UNKNOWN_COMMAND, command_ptr);
SERIAL_CHAR('"');
SERIAL_EOL();
}
/**
* M92: Set axis steps-per-unit for one or more axes, X, Y, Z, and E.
* (Follows the same syntax as G92)
*
* With multiple extruders use T to specify which one.
*
* If no argument is given print the current values.
*
* With MAGIC_NUMBERS_GCODE:
* Use 'H' and/or 'L' to get ideal layer-height information.
* 'H' specifies micro-steps to use. We guess if it's not supplied.
* 'L' specifies a desired layer height. Nearest good heights are shown.
*/
void GcodeSuite::M92() {
const int8_t target_extruder = get_target_extruder_from_command();
if (target_extruder < 0) return;
// No arguments? Show M92 report.
if (!parser.seen("XYZE"
#if ENABLED(MAGIC_NUMBERS_GCODE)
"HL"
#endif
)) return report_M92(
#if NUM_SERIAL > 1
command_queue_port[cmd_queue_index_r],
#endif
true, target_extruder
);
LOOP_XYZE(i) {
if (parser.seenval(axis_codes[i])) {
if (i == E_AXIS) {
const float value = parser.value_per_axis_units((AxisEnum)(E_AXIS_N(target_extruder)));
if (value < 20) {
float factor = planner.settings.axis_steps_per_mm[E_AXIS_N(target_extruder)] / value; // increase e constants if M92 E14 is given for netfab.
#if HAS_CLASSIC_JERK && (DISABLED(JUNCTION_DEVIATION) || DISABLED(LIN_ADVANCE))
planner.max_jerk[E_AXIS] *= factor;
#endif
planner.settings.max_feedrate_mm_s[E_AXIS_N(target_extruder)] *= factor;
planner.max_acceleration_steps_per_s2[E_AXIS_N(target_extruder)] *= factor;
}
planner.settings.axis_steps_per_mm[E_AXIS_N(target_extruder)] = value;
}
else {
planner.settings.axis_steps_per_mm[i] = parser.value_per_axis_units((AxisEnum)i);
}
}
}
planner.refresh_positioning();
#if ENABLED(MAGIC_NUMBERS_GCODE)
#ifndef Z_MICROSTEPS
#define Z_MICROSTEPS 16
#endif
const float wanted = parser.floatval('L');
if (parser.seen('H') || wanted) {
const uint16_t argH = parser.ushortval('H'),
micro_steps = argH ? argH : Z_MICROSTEPS;
const float z_full_step_mm = micro_steps * planner.steps_to_mm[Z_AXIS];
SERIAL_ECHO_START();
SERIAL_ECHOPAIR("{ micro_steps:", micro_steps);
SERIAL_ECHOPAIR(", z_full_step_mm:", z_full_step_mm);
if (wanted) {
const float best = uint16_t(wanted / z_full_step_mm) * z_full_step_mm;
SERIAL_ECHOPGM(", best:[");
SERIAL_ECHO(best);
if (best != wanted) { SERIAL_CHAR(','); SERIAL_ECHO(best + z_full_step_mm); }
SERIAL_CHAR(']');
}
SERIAL_ECHOLNPGM(" }");
}
#endif
}
