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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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16
Marlin/fastio.h
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@@ -44,9 +44,23 @@
// why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html
/// Read a pin wrapper
#define READ(IO) _READ(IO)
#define READ(IO) _READ(IO)
/// Write to a pin wrapper
#define WRITE(IO, v) _WRITE(IO, v)
#if EXTRUDERS > 2
#define WRITE_E_STEP(v) { if(ACTIVE_EXTRUDER == 2) { WRITE(E2_STEP_PIN, v); } else { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_STEP_PIN, v); } else { WRITE(E0_STEP_PIN, v); }}}
#define NORM_E_DIR() { if(ACTIVE_EXTRUDER == 2) { WRITE(E2_DIR_PIN, INVERT_E2_DIR); } else { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_DIR_PIN, INVERT_E1_DIR); } else { WRITE(E0_DIR_PIN, INVERT_E0_DIR); }}}
#define REV_E_DIR() { if(ACTIVE_EXTRUDER == 2) { WRITE(E2_DIR_PIN, !INVERT_E2_DIR); } else { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_DIR_PIN, !INVERT_E1_DIR); } else { WRITE(E0_DIR_PIN, !INVERT_E0_DIR); }}}
#elif EXTRUDERS > 1
#define WRITE_E_STEP(v) { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_STEP_PIN, v); } else { WRITE(E0_STEP_PIN, v); }}
#define NORM_E_DIR() { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_DIR_PIN, INVERT_E1_DIR); } else { WRITE(E0_DIR_PIN, INVERT_E0_DIR); }}
#define REV_E_DIR() { if(ACTIVE_EXTRUDER == 1) { WRITE(E1_DIR_PIN, !INVERT_E1_DIR); } else { WRITE(E0_DIR_PIN, !INVERT_E0_DIR); }}
#else
#define WRITE_E_STEP(v) WRITE(E0_STEP_PIN, v)
#define NORM_E_DIR() WRITE(E0_DIR_PIN, INVERT_E0_DIR)
#define REV_E_DIR() WRITE(E0_DIR_PIN, !INVERT_E0_DIR)
#endif
/// toggle a pin wrapper
#define TOGGLE(IO) _TOGGLE(IO)