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Add M428 to set home_offset logically

pull/1/head
Scott Lahteine 10 years ago
parent
commit
d065d37822
  1. 30
      Marlin/Marlin_main.cpp
  2. 2
      Marlin/configuration_store.cpp
  3. 1
      Marlin/language.h
  4. 15
      Marlin/ultralcd.cpp

30
Marlin/Marlin_main.cpp

@ -189,6 +189,7 @@
* M410 - Quickstop. Abort all the planned moves
* M420 - Enable/Disable Mesh Leveling (with current values) S1=enable S0=disable
* M421 - Set a single Z coordinate in the Mesh Leveling grid. X<mm> Y<mm> Z<mm>
* M428 - Set the home_offset logically based on the current_position
* M500 - Store parameters in EEPROM
* M501 - Read parameters from EEPROM (if you need reset them after you changed them temporarily).
* M502 - Revert to the default "factory settings". You still need to store them in EEPROM afterwards if you want to.
@ -4504,6 +4505,31 @@ inline void gcode_M410() { quickStop(); }
#endif
/**
* M428: Set home_offset based on the distance between the
* current_position and the nearest "reference position."
* If an axis is past center the endstop position
* is the reference-point. Otherwise it uses 0. This allows
* the Z offset to be set near the bed when using a max endstop.
*
* Use M206 to set these values directly.
*/
inline void gcode_M428() {
for (int8_t i = X_AXIS; i <= Z_AXIS; i++) {
float base = (current_position[i] > (min_pos[i] + max_pos[i]) / 2) ? base_home_pos(i) : 0,
diff = current_position[i] - base;
if (diff > -20 && diff < 20) {
home_offset[i] -= diff;
current_position[i] = base;
}
else {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM(MSG_ERR_M428_TOO_FAR);
}
}
sync_plan_position();
}
/**
* M500: Store settings in EEPROM
*/
@ -5353,6 +5379,10 @@ void process_commands() {
break;
#endif
case 428: // M428 Apply current_position to home_offset
gcode_M428();
break;
case 500: // M500 Store settings in EEPROM
gcode_M500();
break;

2
Marlin/configuration_store.cpp

@ -676,7 +676,7 @@ void Config_PrintSettings(bool forReplay) {
SERIAL_ECHOLNPGM("Mesh bed leveling:");
CONFIG_ECHO_START;
}
SERIAL_ECHOPAIR(" M420 S", (int32_t)mbl.active);
SERIAL_ECHOPAIR(" M420 S", (unsigned long)mbl.active);
SERIAL_ECHOPAIR(" X", MESH_NUM_X_POINTS);
SERIAL_ECHOPAIR(" Y", MESH_NUM_Y_POINTS);
SERIAL_EOL;

1
Marlin/language.h

@ -162,6 +162,7 @@
#define MSG_ERR_MATERIAL_INDEX "M145 S<index> out of range (0-1)"
#define MSG_ERR_M421_REQUIRES_XYZ "M421 requires XYZ parameters"
#define MSG_ERR_MESH_INDEX_OOB "Mesh XY index is out of bounds"
#define MSG_ERR_M428_TOO_FAR "Too far from home or origin position"
#define MSG_M119_REPORT "Reporting endstop status"
#define MSG_ENDSTOP_HIT "TRIGGERED"
#define MSG_ENDSTOP_OPEN "open"

15
Marlin/ultralcd.cpp

@ -438,17 +438,12 @@ static void lcd_main_menu() {
}
#endif
/**
* Set the home offset based on the current_position
*/
void lcd_set_home_offsets() {
for (int8_t i=0; i < NUM_AXIS; i++) {
if (i != E_AXIS) {
home_offset[i] -= current_position[i];
current_position[i] = 0.0;
}
}
plan_set_position(0.0, 0.0, 0.0, current_position[E_AXIS]);
// Audio feedback
enqueuecommands_P(PSTR("M300 S659 P200\nM300 S698 P200"));
// Command with Audio feedback
enqueuecommands_P(PSTR("M428\nM300 S659 P200\nM300 S698 P200"));
lcd_return_to_status();
}

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