bissen21/Marlin_Firmware
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Working version of multiple extruders (up to 3)

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- The temperature control is pretty much complete
  (not sure what to do w/ autotemp though)
  Changed the pins assignment to clearly separate bed and extruder heaters
  and temp sensors, changed a bit how termistor tables are handled.
- The steppers control is rudimentary
  (only chanages what pins it uses depending on the active_extruder var,
   but that's enough for switching extruder in the start.gcode in the
   the profiles)
- Tested only w/ RAMPS 1.4
This commit is contained in:
Denis B
2011-12-05 23:33:33 -05:00
parent 12e8edcac3
commit 4fd75dc813
12 changed files with 703 additions and 548 deletions
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20
Marlin/planner.cpp
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@ -56,9 +56,9 @@
//#include <math.h>
//#include <stdlib.h>
#include "Marlin.h"
#include "Configuration.h"
#include "pins.h"
#include "Marlin.h"
#include "fastio.h"
#include "planner.h"
#include "stepper.h"
@ -81,8 +81,6 @@ float max_z_jerk;
float mintravelfeedrate;
unsigned long axis_steps_per_sqr_second[NUM_AXIS];
uint8_t active_extruder = 0;
// The current position of the tool in absolute steps
long position[4]; //rescaled from extern when axis_steps_per_unit are changed by gcode
static float previous_speed[4]; // Speed of previous path line segment
@ -95,7 +93,6 @@ static float previous_nominal_speed; // Nominal speed of previous path line segm
bool autotemp_enabled=false;
#endif
//===========================================================================
//=================semi-private variables, used in inline functions =====
//===========================================================================
@ -437,7 +434,7 @@ void check_axes_activity() {
if((DISABLE_X) && (x_active == 0)) disable_x();
if((DISABLE_Y) && (y_active == 0)) disable_y();
if((DISABLE_Z) && (z_active == 0)) disable_z();
if((DISABLE_E) && (e_active == 0)) disable_e();
if((DISABLE_E) && (e_active == 0)) { disable_e0();disable_e1();disable_e2(); }
}
@ -496,15 +493,10 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
if(block->steps_x != 0) enable_x();
if(block->steps_y != 0) enable_y();
if(block->steps_z != 0) enable_z();
if(extruder == 0) {
if(block->steps_e != 0) enable_e();
}
#if (EXTRUDERS > 1)
if(extruder == 1) {
if(block->steps_e != 0) enable_e1();
}
#endif
// Enable all
if(block->steps_e != 0) { enable_e0();enable_e1();enable_e2(); }
float delta_mm[4];
delta_mm[X_AXIS] = (target[X_AXIS]-position[X_AXIS])/axis_steps_per_unit[X_AXIS];
delta_mm[Y_AXIS] = (target[Y_AXIS]-position[Y_AXIS])/axis_steps_per_unit[Y_AXIS];