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Allow backwards compatibility with legacy MMU g-codes 

This piece just changes the default extra load length on the MK3 side.
The same needs to be done on the MMU side but:
- the MMU exposes its register for this (so we can change the extra load distance by writing into the register via G-code)
- the printer shall probably set this value on its own after line up of MMU communication
This commit is contained in:
D.R.racer 2022-10-10 12:38:35 +02:00 committed by DRracer
parent 013ce588a5
commit c7e4c9ce99
1 changed files with 2 additions and 2 deletions
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4
Firmware/mmu2.cpp
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@ -39,7 +39,7 @@ static constexpr float MMU2_LOAD_TO_NOZZLE_LENGTH = 87.0F + 5.0F;
// - ToolChange shall not try to push filament into the very tip of the nozzle
// to have some space for additional G-code to tune the extruded filament length
// in the profile
static constexpr float MMU2_TOOL_CHANGE_LOAD_LENGTH = 30.0F;
static constexpr float MMU2_TOOL_CHANGE_LOAD_LENGTH = 5.0F;//30.0F;
static constexpr float MMU2_LOAD_TO_NOZZLE_FEED_RATE = 20.0F; // mm/s
static constexpr float MMU2_UNLOAD_TO_FINDA_FEED_RATE = 120.0F; // mm/s
@ -907,7 +907,7 @@ void MMU2::OnMMUProgressMsgSame(ProgressCode pc){
// After the MMU knows the FSENSOR is triggered it will:
// 1. Push the filament by additional 30mm (see fsensorToNozzle)
// 2. Disengage the idler and push another 5mm.
current_position[E_AXIS] += 30.0f + 2.0f;
current_position[E_AXIS] += MMU2_TOOL_CHANGE_LOAD_LENGTH + 2.0f;
plan_buffer_line_curposXYZE(MMU2_LOAD_TO_NOZZLE_FEED_RATE);
break;
case FilamentState::NOT_PRESENT: