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Merge pull request #1559 from mkbel/detect_bad_load 

Move extruder forth and back after filament detected by sensor to det…
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PavelSindler 2019-03-01 14:21:04 +01:00 committed by GitHub
parent 3cbcbba738 8f5fbe569c
commit 0db721b244
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1 changed files with 12 additions and 1 deletions
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13
Firmware/mmu.cpp
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@ -1461,15 +1461,26 @@ bFilamentAction=false; // NOT in "mmu_fil_eject_menu(
} }
} }
//! @brief load more
//!
//! Try to feed more filament from MMU if it is not detected by filament sensor.
//! Move filament back and forth to nozzle in order to detect jam.
//! If PTFE tube is jammed, this cause filament to be unloaded and no longer
//! detected by pulley IR sensor in next step.
static void load_more() static void load_more()
{ {
for (uint8_t i = 0; i < MMU_IDLER_SENSOR_ATTEMPTS_NR; i++) for (uint8_t i = 0; i < MMU_IDLER_SENSOR_ATTEMPTS_NR; i++)
{ {
if (PIN_GET(IR_SENSOR_PIN) == 0) return; if (PIN_GET(IR_SENSOR_PIN) == 0) break;
DEBUG_PRINTF_P(PSTR("Additional load attempt nr. %d\n"), i); DEBUG_PRINTF_P(PSTR("Additional load attempt nr. %d\n"), i);
mmu_command(MmuCmd::C0); mmu_command(MmuCmd::C0);
manage_response(true, true, MMU_LOAD_MOVE); manage_response(true, true, MMU_LOAD_MOVE);
} }
current_position[E_AXIS] += 60;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], MMU_LOAD_FEEDRATE, active_extruder);
current_position[E_AXIS] -= 58;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], MMU_LOAD_FEEDRATE, active_extruder);
st_synchronize();
} }
void mmu_continue_loading() void mmu_continue_loading()