bissen21/Marlin_Firmware
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Fixed homing

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This commit is contained in:
Erik van der Zalm
2012-02-27 18:31:40 +01:00
parent 071eec7aa7
commit b48d67ce10
4 changed files with 32 additions and 17 deletions
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20
Marlin/Marlin.pde
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@@ -513,20 +513,22 @@ bool code_seen(char code)
destination[LETTER##_AXIS] = 1.5 * LETTER##_MAX_LENGTH * LETTER##_HOME_DIR; \
feedrate = homing_feedrate[LETTER##_AXIS]; \
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); \
st_synchronize();\
\
current_position[LETTER##_AXIS] = 0;\
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);\
destination[LETTER##_AXIS] = -LETTER##_HOME_RETRACT_MM * LETTER##_HOME_DIR;\
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); \
st_synchronize();\
\
destination[LETTER##_AXIS] = 2*LETTER##_HOME_RETRACT_MM * LETTER##_HOME_DIR;\
feedrate = homing_feedrate[LETTER##_AXIS]/2 ; \
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); \
st_synchronize();\
\
current_position[LETTER##_AXIS] = (LETTER##_HOME_DIR == -1) ? LETTER##_HOME_POS : LETTER##_MAX_LENGTH;\
destination[LETTER##_AXIS] = current_position[LETTER##_AXIS];\
feedrate = 0.0;\
st_synchronize();\
endstops_hit_on_purpose();\
}
@@ -589,13 +591,15 @@ void process_commands()
feedrate = homing_feedrate[X_AXIS];
if(homing_feedrate[Y_AXIS]<feedrate)
feedrate =homing_feedrate[Y_AXIS];
prepare_move();
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); \
st_synchronize();
current_position[X_AXIS] = (X_HOME_DIR == -1) ? X_HOME_POS : X_MAX_LENGTH;
current_position[Y_AXIS] = (Y_HOME_DIR == -1) ? Y_HOME_POS : Y_MAX_LENGTH;
plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
destination[X_AXIS] = current_position[X_AXIS];
destination[Y_AXIS] = current_position[Y_AXIS];
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder); \
feedrate = 0.0;
st_synchronize();
endstops_hit_on_purpose();
@@ -1273,6 +1277,18 @@ void get_arc_coordinates()
void prepare_move()
{
if (min_software_endstops) {
if (destination[X_AXIS] < X_HOME_POS) destination[X_AXIS] = X_HOME_POS;
if (destination[Y_AXIS] < Y_HOME_POS) destination[Y_AXIS] = Y_HOME_POS;
if (destination[Z_AXIS] < Z_HOME_POS) destination[Z_AXIS] = Z_HOME_POS;
}
if (max_software_endstops) {
if (destination[X_AXIS] > X_MAX_LENGTH) destination[X_AXIS] = X_MAX_LENGTH;
if (destination[Y_AXIS] > Y_MAX_LENGTH) destination[Y_AXIS] = Y_MAX_LENGTH;
if (destination[Z_AXIS] > Z_MAX_LENGTH) destination[Z_AXIS] = Z_MAX_LENGTH;
}
plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate*feedmultiply/60/100.0, active_extruder);
for(int8_t i=0; i < NUM_AXIS; i++) {
current_position[i] = destination[i];