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Implemented M220 B / M220 R for backup / restore of the speed override

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at the firmware. The M220 B / M220 R are only applied for MM prints
without any flex or soluble (PVA, BVOH) material, as for these materials
the MMU slows down the print using the M220 code.
fixes "LCD Speed Modifier Lost on Tool Change #421"
This commit is contained in:
bubnikv 2018-12-17 10:30:20 +01:00
parent 45e611c9fc
commit d0edc36400
2 changed files with 38 additions and 9 deletions
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41
src/libslic3r/GCode/WipeTowerPrusaMM.cpp
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@ -315,6 +315,20 @@ public:
return *this;
};
// Let the firmware back up the active speed override value.
Writer& speed_override_backup()
{
m_gcode += "M220 B\n";
return *this;
};
// Let the firmware restore the active speed override value.
Writer& speed_override_restore()
{
m_gcode += "M220 R\n";
return *this;
};
// Set digital trimpot motor
Writer& set_extruder_trimpot(int current)
{
@ -501,8 +515,10 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
.set_initial_tool(m_current_tool)
.append(";--------------------\n"
"; CP PRIMING START\n")
.append(";--------------------\n")
.speed_override(100);
.append(";--------------------\n");
if (m_retain_speed_override)
writer.speed_override_backup();
writer.speed_override(100);
writer.set_initial_position(xy(0.f, 0.f)) // Always move to the starting position
.travel(cleaning_box.ld, 7200);
@ -536,6 +552,8 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
// Reset the extruder current to a normal value.
if (m_set_extruder_trimpot)
writer.set_extruder_trimpot(550);
if (m_retain_speed_override)
writer.speed_override_restore();
writer.feedrate(6000)
.flush_planner_queue()
.reset_extruder()
@ -602,8 +620,10 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
"; CP TOOLCHANGE START\n")
.comment_with_value(" toolchange #", m_num_tool_changes + 1) // the number is zero-based
.comment_material(m_filpar[m_current_tool].material)
.append(";--------------------\n")
.speed_override(100);
.append(";--------------------\n");
if (m_retain_speed_override)
writer.speed_override_backup();
writer.speed_override(100);
xy initial_position = cleaning_box.ld + WipeTower::xy(0.f,m_depth_traversed);
writer.set_initial_position(initial_position, m_wipe_tower_width, m_wipe_tower_depth, m_internal_rotation);
@ -640,6 +660,8 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
if (m_set_extruder_trimpot)
writer.set_extruder_trimpot(550); // Reset the extruder current to a normal value.
if (m_retain_speed_override)
writer.speed_override_restore();
writer.feedrate(6000)
.flush_planner_queue()
.reset_extruder()
@ -885,14 +907,15 @@ void WipeTowerPrusaMM::toolchange_Change(
case FLEX: speed_override = 35; break;
default: speed_override = 100;
}
writer.set_tool(new_tool)
.speed_override(speed_override)
.flush_planner_queue();
writer.set_tool(new_tool);
if (m_retain_speed_override)
assert(speed_override == 100);
else
writer.speed_override(speed_override);
writer.flush_planner_queue();
m_current_tool = new_tool;
}
void WipeTowerPrusaMM::toolchange_Load(
PrusaMultiMaterial::Writer &writer,
const box_coordinates &cleaning_box)