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@@ -379,6 +379,11 @@ void mmu_load_step() {
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}
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bool mmu_get_response(uint8_t move)
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{
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+ bool sensor_pin = false;
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+ #ifdef MMU_IDLER_SENSOR_PIN
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+ sensor_pin = true;
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+ #endif //MMU_IDLER_SENSOR_PIN
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+
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printf_P(PSTR("mmu_get_response - begin move:%d\n"), move);
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KEEPALIVE_STATE(IN_PROCESS);
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while (mmu_cmd != 0)
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@@ -399,7 +404,7 @@ 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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- if (PIN_GET(MMU_IDLER_SENSOR_PIN) == 0) //filament is still detected by idler sensor, printer helps with unlading
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+ if (PIN_GET(MMU_IDLER_SENSOR_PIN) == 0 && sensor_pin) //filament is still detected by idler sensor, printer helps with unlading
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{
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printf_P(PSTR("Unload 1\n"));
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current_position[E_AXIS] = current_position[E_AXIS] - MMU_LOAD_FEEDRATE * MMU_LOAD_TIME_MS*0.001;
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@@ -414,7 +419,7 @@ bool mmu_get_response(uint8_t move)
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}
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break;
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case MMU_TCODE_MOVE: //first do unload and then continue with infinite loading movements
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- if (PIN_GET(MMU_IDLER_SENSOR_PIN) == 0) //filament detected by idler sensor, we must unload first
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+ if (PIN_GET(MMU_IDLER_SENSOR_PIN) == 0 && sensor_pin) //filament detected by idler sensor, we must unload first
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{
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printf_P(PSTR("Unload 2\n"));
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current_position[E_AXIS] = current_position[E_AXIS] - MMU_LOAD_FEEDRATE * MMU_LOAD_TIME_MS*0.001;
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PavelSindler