use just short movement for unloading filament
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cb1f6d2a0e
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27c8612360
2 changed files with 7 additions and 8 deletions
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@ -377,13 +377,6 @@ void mmu_load_step() {
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plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], MMU_LOAD_FEEDRATE, active_extruder);
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st_synchronize();
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}
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void mmu_unload_step() {
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current_position[E_AXIS] = current_position[E_AXIS] - MMU_LOAD_FEEDRATE * 0.1;
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plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], MMU_LOAD_FEEDRATE, active_extruder);
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st_synchronize();
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}
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bool mmu_get_response(uint8_t move)
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{
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printf_P(PSTR("mmu_get_response - begin move:%d\n"), move);
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@ -406,7 +399,11 @@ bool mmu_get_response(uint8_t move)
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mmu_load_step();
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break;
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case MMU_UNLOAD_MOVE:
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mmu_unload_step();
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current_position[E_AXIS] = current_position[E_AXIS] - MMU_LOAD_FEEDRATE * MMU_LOAD_TIME;
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plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], MMU_LOAD_FEEDRATE, active_extruder);
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st_synchronize();
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disable_e0(); //turn off E-stepper to prevent overheating and alow filament pull-out if necessary
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move = MMU_NO_MOVE;
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break;
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case MMU_TCODE_MOVE: //first do unload and then continue with infinite loading
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current_position[E_AXIS] = current_position[E_AXIS] - MMU_LOAD_FEEDRATE * MMU_LOAD_TIME;
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@ -414,6 +411,7 @@ bool mmu_get_response(uint8_t move)
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st_synchronize();
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move = MMU_LOAD_MOVE;
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break;
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case MMU_NO_MOVE:
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default:
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delay_keep_alive(100);
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break;
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@ -17,6 +17,7 @@ extern int16_t mmu_buildnr;
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#define MMU_FILAMENT_UNKNOWN 255
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#define MMU_NO_MOVE 0
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#define MMU_UNLOAD_MOVE 1
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#define MMU_LOAD_MOVE 2
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#define MMU_TCODE_MOVE 3
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