-Bottom: d0b029a8140f01e21d7551a3244bc0dfc44861e3
-Top: d4c7ea1a64c2179833d726dac6e9a76d170ff23b
+Bottom: 52539e835a54ac0f6858a1c830cc03875bec4769
+Top: 52539e835a54ac0f6858a1c830cc03875bec4769
Author: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: 2012-08-08 18:30:34 +0100
---
-diff --git a/Marlin/Marlin.pde b/Marlin/Marlin.pde
-index 5af15f0..d481aae 100644
---- a/Marlin/Marlin.pde
-+++ b/Marlin/Marlin.pde
-@@ -551,8 +551,14 @@ bool code_seen(char code)
- return (strchr_pointer != NULL); //Return True if a character was found
- }
-
--static const float base_min_pos[3] = { X_MIN_POS, Y_MIN_POS, Z_MIN_POS };
--static const float base_home_pos[3] = { X_HOME_POS, Y_HOME_POS, Z_HOME_POS };
-+#define XYZ_CONSTS_FROM_CONFIG(type, array, CONFIG) \
-+static const type array[3] = { X_##CONFIG, Y_##CONFIG, Z_##CONFIG };
-+
-+XYZ_CONSTS_FROM_CONFIG(float, base_min_pos, MIN_POS);
-+XYZ_CONSTS_FROM_CONFIG(float, base_home_pos, HOME_POS);
-+XYZ_CONSTS_FROM_CONFIG(float, max_length, MAX_LENGTH);
-+XYZ_CONSTS_FROM_CONFIG(float, home_retract_mm, HOME_RETRACT_MM);
-+XYZ_CONSTS_FROM_CONFIG(signed char, home_dir, HOME_DIR);
-
- static void axis_is_at_home(int axis) {
- current_position[axis] = base_home_pos[axis] + add_homeing[axis];
-@@ -560,32 +566,41 @@ static void axis_is_at_home(int axis) {
- if (add_homeing[axis] < 0) min_pos[axis] += add_homeing[axis];
- }
-
--#define HOMEAXIS(LETTER) \
-- if ((LETTER##_MIN_PIN > -1 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > -1 && LETTER##_HOME_DIR==1))\
-- { \
-- 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] = 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();\
-- \
-- axis_is_at_home(LETTER##_AXIS); \
-- destination[LETTER##_AXIS] = current_position[LETTER##_AXIS]; \
-- feedrate = 0.0;\
-- endstops_hit_on_purpose();\
-+static void homeaxis(int axis) {
-+#define HOMEAXIS_DO_BIT(LETTER) \
-+ ((LETTER##_MIN_PIN > -1 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > -1 && LETTER##_HOME_DIR==1) ? 1 << LETTER##_AXIS : 0)
-+
-+ static const unsigned char doaxis =
-+ HOMEAXIS_DO_BIT(X) |
-+ HOMEAXIS_DO_BIT(Y) |
-+ HOMEAXIS_DO_BIT(Z);
-+
-+ if (doaxis & (1<<axis)) {
-+ current_position[axis] = 0;
-+ plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
-+ destination[axis] = 1.5 * max_length[axis] * home_dir[axis];
-+ feedrate = homing_feedrate[axis];
-+ plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
-+ st_synchronize();
-+
-+ current_position[axis] = 0;
-+ plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
-+ destination[axis] = -home_retract_mm[axis] * home_dir[axis];
-+ plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
-+ st_synchronize();
-+
-+ destination[axis] = 2*home_retract_mm[axis] * home_dir[axis];
-+ feedrate = homing_feedrate[axis]/2 ;
-+ plan_buffer_line(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], destination[E_AXIS], feedrate/60, active_extruder);
-+ st_synchronize();
-+
-+ axis_is_at_home(axis);
-+ destination[axis] = current_position[axis];
-+ feedrate = 0.0;
-+ endstops_hit_on_purpose();
- }
-+}
-+#define HOMEAXIS(LETTER) homeaxis(LETTER##_AXIS)
-
- void process_commands()
- {
+