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Save some PROGMEM with constexpr (#11798)

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When possible, make `active_extruder` a `constexpr` to save some PROGMEM.
This commit is contained in:
Scott Lahteine
2018-09-10 23:09:26 -05:00
committed by GitHub
parent 4f883d5971
commit d882717d98
9 changed files with 43 additions and 25 deletions
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18
Marlin/src/module/tool_change.cpp
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@ -158,7 +158,7 @@
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(4) Move to position near new extruder");
#endif
current_position[X_AXIS] += (active_extruder == 0 ? 10 : -10); // move 10mm away from parked extruder
current_position[X_AXIS] += active_extruder ? -10 : 10; // move 10mm away from parked extruder
#if ENABLED(DEBUG_LEVELING_FEATURE)
if (DEBUGGING(LEVELING)) DEBUG_POS("Move away from parked extruder", current_position);
@ -177,7 +177,7 @@
pe_activate_magnet(tmp_extruder);
// STEP 6
current_position[X_AXIS] = grabpos + (tmp_extruder == 0 ? (+10) : (-10));
current_position[X_AXIS] = grabpos + (tmp_extruder ? -10 : 10);
planner.buffer_line_kinematic(current_position, planner.max_feedrate_mm_s[X_AXIS], active_extruder);
current_position[X_AXIS] = grabpos;
#if ENABLED(DEBUG_LEVELING_FEATURE)
@ -393,9 +393,9 @@ inline void invalid_extruder_error(const uint8_t e) {
#define CUR_Z current_position[Z_AXIS]
#define CUR_E current_position[E_AXIS]
planner.buffer_line( CUR_X, CUR_Y, raised_z, CUR_E, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.buffer_line( xhome, CUR_Y, raised_z, CUR_E, planner.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.buffer_line( xhome, CUR_Y, CUR_Z, CUR_E, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.buffer_line(CUR_X, CUR_Y, raised_z, CUR_E, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.buffer_line(xhome, CUR_Y, raised_z, CUR_E, planner.max_feedrate_mm_s[X_AXIS], active_extruder);
planner.buffer_line(xhome, CUR_Y, CUR_Z, CUR_E, planner.max_feedrate_mm_s[Z_AXIS], active_extruder);
planner.synchronize();
}
@ -607,8 +607,10 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
select_multiplexed_stepper(tmp_extruder);
#endif
// Set the new active extruder
active_extruder = tmp_extruder;
#if EXTRUDERS > 1
// Set the new active extruder
active_extruder = tmp_extruder;
#endif
#endif // HOTENDS <= 1
@ -627,7 +629,7 @@ void tool_change(const uint8_t tmp_extruder, const float fr_mm_s/*=0.0*/, bool n
#endif
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, (int)active_extruder);
SERIAL_ECHOLNPAIR(MSG_ACTIVE_EXTRUDER, int(active_extruder));
#endif // !MIXING_EXTRUDER || MIXING_VIRTUAL_TOOLS <= 1
}