bissen21/Marlin_Firmware
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Add support for Průša MK2 Multiplexer

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This commit is contained in:
Scott Lahteine
2017-06-02 13:57:31 -05:00
parent a4a587a897
commit 5b11b33854
38 changed files with 714 additions and 41 deletions
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64
Marlin/Marlin_main.cpp
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@ -9436,6 +9436,39 @@ inline void gcode_M503() {
#endif // ADVANCED_PAUSE_FEATURE
#if ENABLED(MK2_MULTIPLEXER)
inline void select_multiplexed_stepper(const uint8_t e) {
stepper.synchronize();
disable_e_steppers();
WRITE(E_MUX0_PIN, TEST(e, 0) ? HIGH : LOW);
WRITE(E_MUX1_PIN, TEST(e, 1) ? HIGH : LOW);
WRITE(E_MUX2_PIN, TEST(e, 2) ? HIGH : LOW);
safe_delay(100);
}
/**
* M702: Unload all extruders
*/
inline void gcode_M702() {
for (uint8_t s = 0; s < E_STEPPERS; s++) {
select_multiplexed_stepper(e);
// TODO: standard unload filament function
// MK2 firmware behavior:
// - Make sure temperature is high enough
// - Raise Z to at least 15 to make room
// - Extrude 1cm of filament in 1 second
// - Under 230C quickly purge ~12mm, over 230C purge ~10mm
// - Change E max feedrate to 80, eject the filament from the tube. Sync.
// - Restore E max feedrate to 50
}
// Go back to the last active extruder
select_multiplexed_stepper(active_extruder);
disable_e_steppers();
}
#endif // MK2_MULTIPLEXER
#if ENABLED(DUAL_X_CARRIAGE)
/**
@ -10257,14 +10290,23 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
UNUSED(fr_mm_s);
UNUSED(no_move);
// Set the new active extruder
active_extruder = tmp_extruder;
#if ENABLED(SWITCHING_EXTRUDER) && !DONT_SWITCH
stepper.synchronize();
move_extruder_servo(tmp_extruder);
#elif ENABLED(MK2_MULTIPLEXER)
if (tmp_extruder >= E_STEPPERS)
return invalid_extruder_error(tmp_extruder);
select_multiplexed_stepper(tmp_extruder);
#endif
#endif // HOTENDS <= 1
#if ENABLED(SWITCHING_EXTRUDER) && !DONT_SWITCH
move_extruder_servo(active_extruder);
#endif
active_extruder = tmp_extruder;
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, (int)active_extruder);
@ -11001,6 +11043,12 @@ void process_next_command() {
break;
#endif // DUAL_X_CARRIAGE
#if ENABLED(MK2_MULTIPLEXER)
case 702: // M702: Unload all extruders
gcode_M702();
break;
#endif
#if ENABLED(LIN_ADVANCE)
case 900: // M900: Set advance K factor.
gcode_M900();
@ -12968,6 +13016,12 @@ void setup() {
#endif
#endif
#if ENABLED(MK2_MULTIPLEXER)
SET_OUTPUT(E_MUX0_PIN);
SET_OUTPUT(E_MUX1_PIN);
SET_OUTPUT(E_MUX2_PIN);
#endif
lcd_init();
#if ENABLED(SHOW_BOOTSCREEN)
#if ENABLED(DOGLCD)