790 lines
27 KiB
C++
Executable File
790 lines
27 KiB
C++
Executable File
//! @file
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#include "Marlin.h"
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#include "fsensor.h"
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#include <avr/pgmspace.h>
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#include "pat9125.h"
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#include "stepper.h"
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#include "cmdqueue.h"
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#include "ultralcd.h"
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#include "mmu.h"
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#include "cardreader.h"
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#include "adc.h"
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#include "temperature.h"
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#include "config.h"
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//! @name Basic parameters
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//! @{
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#define FSENSOR_CHUNK_LEN 1.25 //!< filament sensor chunk length (mm)
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#define FSENSOR_ERR_MAX 4 //!< filament sensor maximum error/chunk count for runout detection
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#define FSENSOR_SOFTERR_CMAX 3 //!< number of contiguous soft failures before a triggering a runout
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#define FSENSOR_SOFTERR_DELTA 30000 //!< maximum interval (ms) to consider soft failures contiguous
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//! @}
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//! @name Optical quality measurement parameters
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//! @{
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#define FSENSOR_OQ_MAX_ES 2 //!< maximum sum of error blocks during filament recheck
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#define FSENSOR_OQ_MIN_YD 2 //!< minimum yd sum during filament check (counts per inch)
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#define FSENSOR_OQ_MIN_BR 80 //!< minimum brightness value
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#define FSENSOR_OQ_MAX_SH 10 //!< maximum shutter value
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//! @}
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const char ERRMSG_PAT9125_NOT_RESP[] PROGMEM = "PAT9125 not responding (%d)!\n";
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// PJ7 can not be used (does not have PinChangeInterrupt possibility)
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#define FSENSOR_INT_PIN 75 //!< filament sensor interrupt pin PJ4
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#define FSENSOR_INT_PIN_MASK 0x10 //!< filament sensor interrupt pin mask (bit4)
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#define FSENSOR_INT_PIN_PIN_REG PINJ // PIN register @ PJ4
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#define FSENSOR_INT_PIN_VECT PCINT1_vect // PinChange ISR @ PJ4
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#define FSENSOR_INT_PIN_PCMSK_REG PCMSK1 // PinChangeMaskRegister @ PJ4
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#define FSENSOR_INT_PIN_PCMSK_BIT PCINT13 // PinChange Interrupt / PinChange Enable Mask @ PJ4
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#define FSENSOR_INT_PIN_PCICR_BIT PCIE1 // PinChange Interrupt Enable / Flag @ PJ4
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//! enabled = initialized and sampled every chunk event
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bool fsensor_enabled = true;
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//! runout watching is done in fsensor_update (called from main loop)
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bool fsensor_watch_runout = true;
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//! not responding - is set if any communication error occurred during initialization or readout
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bool fsensor_not_responding = false;
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#ifdef PAT9125
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uint8_t fsensor_int_pin_old = 0;
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//! optical checking "chunk lenght" (already in steps)
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int16_t fsensor_chunk_len = 0;
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//! enable/disable quality meassurement
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bool fsensor_oq_meassure_enabled = false;
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//! number of errors, updated in ISR
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uint8_t fsensor_err_cnt = 0;
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//! variable for accumulating step count (updated callbacks from stepper and ISR)
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int16_t fsensor_st_cnt = 0;
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//! count of total sensor "soft" failures (filament status checks)
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uint8_t fsensor_softfail = 0;
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//! timestamp of last soft failure
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unsigned long fsensor_softfail_last = 0;
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//! count of soft failures within the configured time
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uint8_t fsensor_softfail_ccnt = 0;
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#endif
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#ifdef DEBUG_FSENSOR_LOG
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//! log flag: 0=log disabled, 1=log enabled
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uint8_t fsensor_log = 1;
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#endif //DEBUG_FSENSOR_LOG
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//! @name filament autoload variables
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//! @{
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//! autoload feature enabled
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bool fsensor_autoload_enabled = true;
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//! autoload watching enable/disable flag
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bool fsensor_watch_autoload = false;
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#ifdef PAT9125
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//
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uint16_t fsensor_autoload_y;
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//
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uint8_t fsensor_autoload_c;
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//
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uint32_t fsensor_autoload_last_millis;
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//
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uint8_t fsensor_autoload_sum;
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//! @}
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#endif
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//! @name filament optical quality measurement variables
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//! @{
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//! Measurement enable/disable flag
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bool fsensor_oq_meassure = false;
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//! skip-chunk counter, for accurate measurement is necessary to skip first chunk...
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uint8_t fsensor_oq_skipchunk;
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//! number of samples from start of measurement
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uint8_t fsensor_oq_samples;
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//! sum of steps in positive direction movements
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uint16_t fsensor_oq_st_sum;
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//! sum of deltas in positive direction movements
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uint16_t fsensor_oq_yd_sum;
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//! sum of errors during measurement
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uint16_t fsensor_oq_er_sum;
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//! max error counter value during measurement
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uint8_t fsensor_oq_er_max;
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//! minimum delta value
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int16_t fsensor_oq_yd_min;
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//! maximum delta value
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int16_t fsensor_oq_yd_max;
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//! sum of shutter value
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uint16_t fsensor_oq_sh_sum;
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//! @}
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#ifdef IR_SENSOR_ANALOG
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ClFsensorPCB oFsensorPCB;
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ClFsensorActionNA oFsensorActionNA;
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bool bIRsensorStateFlag=false;
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unsigned long nIRsensorLastTime;
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#endif //IR_SENSOR_ANALOG
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void fsensor_stop_and_save_print(void)
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{
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puts_P(PSTR("fsensor_stop_and_save_print"));
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stop_and_save_print_to_ram(0, 0);
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fsensor_watch_runout = false;
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}
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#ifdef PAT9125
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// Reset all internal counters to zero, including stepper callbacks
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void fsensor_reset_err_cnt()
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{
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fsensor_err_cnt = 0;
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pat9125_y = 0;
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st_reset_fsensor();
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}
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void fsensor_set_axis_steps_per_unit(float u)
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{
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fsensor_chunk_len = (int16_t)(FSENSOR_CHUNK_LEN * u);
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}
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#endif
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void fsensor_restore_print_and_continue(void)
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{
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puts_P(PSTR("fsensor_restore_print_and_continue"));
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fsensor_watch_runout = true;
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#ifdef PAT9125
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fsensor_reset_err_cnt();
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#endif
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restore_print_from_ram_and_continue(0);
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}
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// fsensor_checkpoint_print cuts the current print job at the current position,
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// allowing new instructions to be inserted in the middle
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void fsensor_checkpoint_print(void)
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{
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puts_P(PSTR("fsensor_checkpoint_print"));
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stop_and_save_print_to_ram(0, 0);
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restore_print_from_ram_and_continue(0);
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}
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#ifdef IR_SENSOR_ANALOG
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const char* FsensorIRVersionText()
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{
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switch(oFsensorPCB)
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{
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case ClFsensorPCB::_Old:
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return _T(MSG_IR_03_OR_OLDER);
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case ClFsensorPCB::_Rev04:
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return _T(MSG_IR_04_OR_NEWER);
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default:
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return _T(MSG_IR_UNKNOWN);
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}
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}
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#endif //IR_SENSOR_ANALOG
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void fsensor_init(void)
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{
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#ifdef PAT9125
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uint8_t pat9125 = pat9125_init();
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printf_P(PSTR("PAT9125_init:%hhu\n"), pat9125);
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#endif //PAT9125
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uint8_t fsensor_enabled = eeprom_read_byte((uint8_t*)EEPROM_FSENSOR);
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fsensor_autoload_enabled=eeprom_read_byte((uint8_t*)EEPROM_FSENS_AUTOLOAD_ENABLED);
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fsensor_not_responding = false;
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#ifdef PAT9125
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uint8_t oq_meassure_enabled = eeprom_read_byte((uint8_t*)EEPROM_FSENS_OQ_MEASS_ENABLED);
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fsensor_oq_meassure_enabled = (oq_meassure_enabled == 1)?true:false;
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fsensor_set_axis_steps_per_unit(cs.axis_steps_per_unit[E_AXIS]);
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if (!pat9125){
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fsensor_enabled = 0; //disable sensor
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fsensor_not_responding = true;
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}
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#endif //PAT9125
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#ifdef IR_SENSOR_ANALOG
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bIRsensorStateFlag=false;
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oFsensorPCB = (ClFsensorPCB)eeprom_read_byte((uint8_t*)EEPROM_FSENSOR_PCB);
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oFsensorActionNA = (ClFsensorActionNA)eeprom_read_byte((uint8_t*)EEPROM_FSENSOR_ACTION_NA);
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// If the fsensor is not responding even at the start of the printer,
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// set this flag accordingly to show N/A in Settings->Filament sensor.
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// This is even valid for both fsensor board revisions (0.3 or older and 0.4).
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// Must be done after reading what type of fsensor board we have
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fsensor_not_responding = ! fsensor_IR_check();
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#endif //IR_SENSOR_ANALOG
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if (fsensor_enabled){
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fsensor_enable(false); // (in this case) EEPROM update is not necessary
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} else {
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fsensor_disable(false); // (in this case) EEPROM update is not necessary
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}
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printf_P(PSTR("FSensor %S"), (fsensor_enabled?PSTR("ENABLED"):PSTR("DISABLED")));
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#ifdef IR_SENSOR_ANALOG
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printf_P(PSTR(" (sensor board revision:%S)\n"), FsensorIRVersionText());
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#else //IR_SENSOR_ANALOG
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MYSERIAL.println();
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#endif //IR_SENSOR_ANALOG
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if (check_for_ir_sensor()){
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ir_sensor_detected = true;
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}
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}
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bool fsensor_enable(bool bUpdateEEPROM)
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{
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#ifdef PAT9125
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(void)bUpdateEEPROM; // silence unused warning in this variant
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if (mmu_enabled == false) { //filament sensor is pat9125, enable only if it is working
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uint8_t pat9125 = pat9125_init();
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printf_P(PSTR("PAT9125_init:%hhu\n"), pat9125);
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if (pat9125)
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fsensor_not_responding = false;
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else
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fsensor_not_responding = true;
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fsensor_enabled = pat9125 ? true : false;
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fsensor_watch_runout = true;
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fsensor_oq_meassure = false;
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fsensor_reset_err_cnt();
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eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, fsensor_enabled ? 0x01 : 0x00);
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FSensorStateMenu = fsensor_enabled ? 1 : 0;
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}
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else //filament sensor is FINDA, always enable
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{
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fsensor_enabled = true;
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eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, 0x01);
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FSensorStateMenu = 1;
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}
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#else // PAT9125
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#ifdef IR_SENSOR_ANALOG
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if(!fsensor_IR_check())
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{
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bUpdateEEPROM=true;
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fsensor_enabled=false;
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fsensor_not_responding=true;
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FSensorStateMenu=0;
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}
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else {
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#endif //IR_SENSOR_ANALOG
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fsensor_enabled=true;
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fsensor_not_responding=false;
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FSensorStateMenu=1;
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#ifdef IR_SENSOR_ANALOG
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}
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#endif //IR_SENSOR_ANALOG
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if(bUpdateEEPROM)
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eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, FSensorStateMenu);
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#endif //PAT9125
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return fsensor_enabled;
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}
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void fsensor_disable(bool bUpdateEEPROM)
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{
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fsensor_enabled = false;
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FSensorStateMenu = 0;
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if(bUpdateEEPROM)
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eeprom_update_byte((uint8_t*)EEPROM_FSENSOR, 0x00);
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}
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void fsensor_autoload_set(bool State)
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{
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#ifdef PAT9125
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if (!State) fsensor_autoload_check_stop();
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#endif //PAT9125
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fsensor_autoload_enabled = State;
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eeprom_update_byte((unsigned char *)EEPROM_FSENS_AUTOLOAD_ENABLED, fsensor_autoload_enabled);
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}
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void pciSetup(byte pin)
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{
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// !!! "digitalPinTo?????bit()" does not provide the correct results for some MCU pins
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*digitalPinToPCMSK(pin) |= bit (digitalPinToPCMSKbit(pin)); // enable pin
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PCIFR |= bit (digitalPinToPCICRbit(pin)); // clear any outstanding interrupt
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PCICR |= bit (digitalPinToPCICRbit(pin)); // enable interrupt for the group
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}
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#ifdef PAT9125
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void fsensor_autoload_check_start(void)
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{
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// puts_P(_N("fsensor_autoload_check_start\n"));
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if (!fsensor_enabled) return;
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if (!fsensor_autoload_enabled) return;
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if (fsensor_watch_autoload) return;
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if (!pat9125_update()) //update sensor
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{
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fsensor_disable();
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fsensor_not_responding = true;
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fsensor_watch_autoload = false;
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printf_P(ERRMSG_PAT9125_NOT_RESP, 3);
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return;
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}
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puts_P(_N("fsensor_autoload_check_start - autoload ENABLED"));
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fsensor_autoload_y = pat9125_y; //save current y value
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fsensor_autoload_c = 0; //reset number of changes counter
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fsensor_autoload_sum = 0;
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fsensor_autoload_last_millis = _millis();
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fsensor_watch_runout = false;
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fsensor_watch_autoload = true;
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}
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void fsensor_autoload_check_stop(void)
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{
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// puts_P(_N("fsensor_autoload_check_stop\n"));
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if (!fsensor_enabled) return;
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// puts_P(_N("fsensor_autoload_check_stop 1\n"));
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if (!fsensor_autoload_enabled) return;
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// puts_P(_N("fsensor_autoload_check_stop 2\n"));
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if (!fsensor_watch_autoload) return;
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puts_P(_N("fsensor_autoload_check_stop - autoload DISABLED"));
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fsensor_autoload_sum = 0;
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fsensor_watch_autoload = false;
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fsensor_watch_runout = true;
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fsensor_reset_err_cnt();
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}
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#endif //PAT9125
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bool fsensor_check_autoload(void)
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{
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if (!fsensor_enabled) return false;
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if (!fsensor_autoload_enabled) return false;
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if (ir_sensor_detected) {
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if (digitalRead(IR_SENSOR_PIN) == 1) {
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fsensor_watch_autoload = true;
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}
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else if (fsensor_watch_autoload == true) {
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fsensor_watch_autoload = false;
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return true;
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}
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}
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#ifdef PAT9125
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if (!fsensor_watch_autoload)
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{
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fsensor_autoload_check_start();
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return false;
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}
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#if 0
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uint8_t fsensor_autoload_c_old = fsensor_autoload_c;
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#endif
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if ((_millis() - fsensor_autoload_last_millis) < 25) return false;
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fsensor_autoload_last_millis = _millis();
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if (!pat9125_update_y()) //update sensor
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{
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fsensor_disable();
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fsensor_not_responding = true;
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printf_P(ERRMSG_PAT9125_NOT_RESP, 2);
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return false;
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}
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int16_t dy = pat9125_y - fsensor_autoload_y;
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if (dy) //? dy value is nonzero
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{
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if (dy > 0) //? delta-y value is positive (inserting)
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{
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fsensor_autoload_sum += dy;
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fsensor_autoload_c += 3; //increment change counter by 3
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}
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else if (fsensor_autoload_c > 1)
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fsensor_autoload_c -= 2; //decrement change counter by 2
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fsensor_autoload_y = pat9125_y; //save current value
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}
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else if (fsensor_autoload_c > 0)
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fsensor_autoload_c--;
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if (fsensor_autoload_c == 0) fsensor_autoload_sum = 0;
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#if 0
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puts_P(_N("fsensor_check_autoload\n"));
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if (fsensor_autoload_c != fsensor_autoload_c_old)
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printf_P(PSTR("fsensor_check_autoload dy=%d c=%d sum=%d\n"), dy, fsensor_autoload_c, fsensor_autoload_sum);
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#endif
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// if ((fsensor_autoload_c >= 15) && (fsensor_autoload_sum > 30))
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if ((fsensor_autoload_c >= 12) && (fsensor_autoload_sum > 20))
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{
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// puts_P(_N("fsensor_check_autoload = true !!!\n"));
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return true;
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}
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#endif //PAT9125
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return false;
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}
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#ifdef PAT9125
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void fsensor_oq_meassure_set(bool State)
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{
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fsensor_oq_meassure_enabled = State;
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eeprom_update_byte((unsigned char *)EEPROM_FSENS_OQ_MEASS_ENABLED, fsensor_oq_meassure_enabled);
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}
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void fsensor_oq_meassure_start(uint8_t skip)
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{
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if (!fsensor_enabled) return;
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if (!fsensor_oq_meassure_enabled) return;
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puts_P(PSTR("fsensor_oq_meassure_start"));
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fsensor_oq_skipchunk = skip;
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fsensor_oq_samples = 0;
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fsensor_oq_st_sum = 0;
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fsensor_oq_yd_sum = 0;
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fsensor_oq_er_sum = 0;
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fsensor_oq_er_max = 0;
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fsensor_oq_yd_min = INT16_MAX;
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fsensor_oq_yd_max = 0;
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fsensor_oq_sh_sum = 0;
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pat9125_update();
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pat9125_y = 0;
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fsensor_oq_meassure = true;
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}
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void fsensor_oq_meassure_stop(void)
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{
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if (!fsensor_enabled) return;
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if (!fsensor_oq_meassure_enabled) return;
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printf_P(PSTR("fsensor_oq_meassure_stop, %hhu samples\n"), fsensor_oq_samples);
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printf_P(_N(" st_sum=%u yd_sum=%u er_sum=%u er_max=%hhu\n"), fsensor_oq_st_sum, fsensor_oq_yd_sum, fsensor_oq_er_sum, fsensor_oq_er_max);
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printf_P(_N(" yd_min=%u yd_max=%u yd_avg=%u sh_avg=%u\n"), fsensor_oq_yd_min, fsensor_oq_yd_max, (uint16_t)((uint32_t)fsensor_oq_yd_sum * fsensor_chunk_len / fsensor_oq_st_sum), (uint16_t)(fsensor_oq_sh_sum / fsensor_oq_samples));
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fsensor_oq_meassure = false;
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}
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#ifdef FSENSOR_QUALITY
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const char _OK[] PROGMEM = "OK";
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const char _NG[] PROGMEM = "NG!";
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bool fsensor_oq_result(void)
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{
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if (!fsensor_enabled) return true;
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if (!fsensor_oq_meassure_enabled) return true;
|
|
puts_P(_N("fsensor_oq_result"));
|
|
bool res_er_sum = (fsensor_oq_er_sum <= FSENSOR_OQ_MAX_ES);
|
|
printf_P(_N(" er_sum = %u %S\n"), fsensor_oq_er_sum, (res_er_sum?_OK:_NG));
|
|
bool res_er_max = (fsensor_oq_er_max <= FSENSOR_OQ_MAX_EM);
|
|
printf_P(_N(" er_max = %hhu %S\n"), fsensor_oq_er_max, (res_er_max?_OK:_NG));
|
|
uint8_t yd_avg = ((uint32_t)fsensor_oq_yd_sum * fsensor_chunk_len / fsensor_oq_st_sum);
|
|
bool res_yd_avg = (yd_avg >= FSENSOR_OQ_MIN_YD) && (yd_avg <= FSENSOR_OQ_MAX_YD);
|
|
printf_P(_N(" yd_avg = %hhu %S\n"), yd_avg, (res_yd_avg?_OK:_NG));
|
|
bool res_yd_max = (fsensor_oq_yd_max <= (yd_avg * FSENSOR_OQ_MAX_PD));
|
|
printf_P(_N(" yd_max = %u %S\n"), fsensor_oq_yd_max, (res_yd_max?_OK:_NG));
|
|
bool res_yd_min = (fsensor_oq_yd_min >= (yd_avg / FSENSOR_OQ_MAX_ND));
|
|
printf_P(_N(" yd_min = %u %S\n"), fsensor_oq_yd_min, (res_yd_min?_OK:_NG));
|
|
|
|
uint16_t yd_dev = (fsensor_oq_yd_max - yd_avg) + (yd_avg - fsensor_oq_yd_min);
|
|
printf_P(_N(" yd_dev = %u\n"), yd_dev);
|
|
|
|
uint16_t yd_qua = 10 * yd_avg / (yd_dev + 1);
|
|
printf_P(_N(" yd_qua = %u %S\n"), yd_qua, ((yd_qua >= 8)?_OK:_NG));
|
|
|
|
uint8_t sh_avg = (fsensor_oq_sh_sum / fsensor_oq_samples);
|
|
bool res_sh_avg = (sh_avg <= FSENSOR_OQ_MAX_SH);
|
|
if (yd_qua >= 8) res_sh_avg = true;
|
|
|
|
printf_P(_N(" sh_avg = %hhu %S\n"), sh_avg, (res_sh_avg?_OK:_NG));
|
|
bool res = res_er_sum && res_er_max && res_yd_avg && res_yd_max && res_yd_min && res_sh_avg;
|
|
printf_P(_N("fsensor_oq_result %S\n"), (res?_OK:_NG));
|
|
return res;
|
|
}
|
|
#endif //FSENSOR_QUALITY
|
|
|
|
FORCE_INLINE static void fsensor_isr(int st_cnt)
|
|
{
|
|
uint8_t old_err_cnt = fsensor_err_cnt;
|
|
uint8_t pat9125_res = fsensor_oq_meassure?pat9125_update():pat9125_update_y();
|
|
if (!pat9125_res)
|
|
{
|
|
fsensor_disable();
|
|
fsensor_not_responding = true;
|
|
printf_P(ERRMSG_PAT9125_NOT_RESP, 1);
|
|
}
|
|
|
|
if (st_cnt != 0)
|
|
{
|
|
// movement was planned, check for sensor movement
|
|
int8_t st_dir = st_cnt >= 0;
|
|
int8_t pat9125_dir = pat9125_y >= 0;
|
|
|
|
if (pat9125_y == 0)
|
|
{
|
|
if (st_dir)
|
|
{
|
|
// no movement detected: we might be within a blind sensor range,
|
|
// update the frame and shutter parameters we didn't earlier
|
|
if (!fsensor_oq_meassure)
|
|
pat9125_update_bs();
|
|
|
|
// increment the error count only if underexposed: filament likely missing
|
|
if ((pat9125_b < FSENSOR_OQ_MIN_BR) && (pat9125_s > FSENSOR_OQ_MAX_SH))
|
|
{
|
|
// check for a dark frame (<30% avg brightness) with long exposure
|
|
++fsensor_err_cnt;
|
|
}
|
|
else
|
|
{
|
|
// good frame, filament likely present
|
|
if(fsensor_err_cnt) --fsensor_err_cnt;
|
|
}
|
|
}
|
|
}
|
|
else if (pat9125_dir != st_dir)
|
|
{
|
|
// detected direction opposite of motor movement
|
|
if (st_dir) ++fsensor_err_cnt;
|
|
}
|
|
else if (pat9125_dir == st_dir)
|
|
{
|
|
// direction agreeing with planned movement
|
|
if (fsensor_err_cnt) --fsensor_err_cnt;
|
|
}
|
|
|
|
if (st_dir && fsensor_oq_meassure)
|
|
{
|
|
// extruding with quality assessment
|
|
if (fsensor_oq_skipchunk)
|
|
{
|
|
fsensor_oq_skipchunk--;
|
|
fsensor_err_cnt = 0;
|
|
}
|
|
else
|
|
{
|
|
if (st_cnt == fsensor_chunk_len)
|
|
{
|
|
if (pat9125_y > 0) if (fsensor_oq_yd_min > pat9125_y) fsensor_oq_yd_min = (fsensor_oq_yd_min + pat9125_y) / 2;
|
|
if (pat9125_y >= 0) if (fsensor_oq_yd_max < pat9125_y) fsensor_oq_yd_max = (fsensor_oq_yd_max + pat9125_y) / 2;
|
|
}
|
|
fsensor_oq_samples++;
|
|
fsensor_oq_st_sum += st_cnt;
|
|
if (pat9125_y > 0) fsensor_oq_yd_sum += pat9125_y;
|
|
if (fsensor_err_cnt > old_err_cnt)
|
|
fsensor_oq_er_sum += (fsensor_err_cnt - old_err_cnt);
|
|
if (fsensor_oq_er_max < fsensor_err_cnt)
|
|
fsensor_oq_er_max = fsensor_err_cnt;
|
|
fsensor_oq_sh_sum += pat9125_s;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG_FSENSOR_LOG
|
|
if (fsensor_log)
|
|
{
|
|
printf_P(_N("FSENSOR cnt=%d dy=%d err=%hhu %S\n"), st_cnt, pat9125_y, fsensor_err_cnt, (fsensor_err_cnt > old_err_cnt)?_N("NG!"):_N("OK"));
|
|
if (fsensor_oq_meassure) printf_P(_N("FSENSOR st_sum=%u yd_sum=%u er_sum=%u er_max=%hhu yd_max=%u\n"), fsensor_oq_st_sum, fsensor_oq_yd_sum, fsensor_oq_er_sum, fsensor_oq_er_max, fsensor_oq_yd_max);
|
|
}
|
|
#endif //DEBUG_FSENSOR_LOG
|
|
|
|
pat9125_y = 0;
|
|
}
|
|
|
|
ISR(FSENSOR_INT_PIN_VECT)
|
|
{
|
|
if (mmu_enabled || ir_sensor_detected) return;
|
|
if (!((fsensor_int_pin_old ^ FSENSOR_INT_PIN_PIN_REG) & FSENSOR_INT_PIN_MASK)) return;
|
|
fsensor_int_pin_old = FSENSOR_INT_PIN_PIN_REG;
|
|
|
|
// prevent isr re-entry
|
|
static bool _lock = false;
|
|
if (!_lock)
|
|
{
|
|
// fetch fsensor_st_cnt atomically
|
|
int st_cnt = fsensor_st_cnt;
|
|
fsensor_st_cnt = 0;
|
|
|
|
_lock = true;
|
|
sei();
|
|
fsensor_isr(st_cnt);
|
|
cli();
|
|
_lock = false;
|
|
}
|
|
}
|
|
|
|
void fsensor_setup_interrupt(void)
|
|
{
|
|
|
|
pinMode(FSENSOR_INT_PIN, OUTPUT);
|
|
digitalWrite(FSENSOR_INT_PIN, LOW);
|
|
fsensor_int_pin_old = 0;
|
|
|
|
//pciSetup(FSENSOR_INT_PIN);
|
|
// !!! "pciSetup()" does not provide the correct results for some MCU pins
|
|
// so interrupt registers settings:
|
|
FSENSOR_INT_PIN_PCMSK_REG |= bit(FSENSOR_INT_PIN_PCMSK_BIT); // enable corresponding PinChangeInterrupt (individual pin)
|
|
PCIFR |= bit(FSENSOR_INT_PIN_PCICR_BIT); // clear previous occasional interrupt (set of pins)
|
|
PCICR |= bit(FSENSOR_INT_PIN_PCICR_BIT); // enable corresponding PinChangeInterrupt (set of pins)
|
|
}
|
|
|
|
void fsensor_st_block_chunk(int cnt)
|
|
{
|
|
if (!fsensor_enabled) return;
|
|
fsensor_st_cnt += cnt;
|
|
|
|
// !!! bit toggling (PINxn <- 1) (for PinChangeInterrupt) does not work for some MCU pins
|
|
WRITE(FSENSOR_INT_PIN, !READ(FSENSOR_INT_PIN));
|
|
}
|
|
#endif //PAT9125
|
|
|
|
|
|
//! Common code for enqueing M600 and supplemental codes into the command queue.
|
|
//! Used both for the IR sensor and the PAT9125
|
|
void fsensor_enque_M600(){
|
|
puts_P(PSTR("fsensor_update - M600"));
|
|
eeprom_update_byte((uint8_t*)EEPROM_FERROR_COUNT, eeprom_read_byte((uint8_t*)EEPROM_FERROR_COUNT) + 1);
|
|
eeprom_update_word((uint16_t*)EEPROM_FERROR_COUNT_TOT, eeprom_read_word((uint16_t*)EEPROM_FERROR_COUNT_TOT) + 1);
|
|
enquecommand_front_P((PSTR("M600")));
|
|
}
|
|
|
|
//! @brief filament sensor update (perform M600 on filament runout)
|
|
//!
|
|
//! Works only if filament sensor is enabled.
|
|
//! When the filament sensor error count is larger then FSENSOR_ERR_MAX, pauses print, tries to move filament back and forth.
|
|
//! If there is still no plausible signal from filament sensor plans M600 (Filament change).
|
|
void fsensor_update(void)
|
|
{
|
|
#ifdef PAT9125
|
|
if (fsensor_watch_runout && (fsensor_err_cnt > FSENSOR_ERR_MAX))
|
|
{
|
|
fsensor_stop_and_save_print();
|
|
KEEPALIVE_STATE(IN_HANDLER);
|
|
|
|
bool autoload_enabled_tmp = fsensor_autoload_enabled;
|
|
fsensor_autoload_enabled = false;
|
|
bool oq_meassure_enabled_tmp = fsensor_oq_meassure_enabled;
|
|
fsensor_oq_meassure_enabled = true;
|
|
|
|
// move the nozzle away while checking the filament
|
|
current_position[Z_AXIS] += 0.8;
|
|
if(current_position[Z_AXIS] > Z_MAX_POS) current_position[Z_AXIS] = Z_MAX_POS;
|
|
plan_buffer_line_curposXYZE(max_feedrate[Z_AXIS]);
|
|
st_synchronize();
|
|
|
|
// check the filament in isolation
|
|
fsensor_reset_err_cnt();
|
|
fsensor_oq_meassure_start(0);
|
|
float e_tmp = current_position[E_AXIS];
|
|
current_position[E_AXIS] -= 3;
|
|
plan_buffer_line_curposXYZE(250/60);
|
|
current_position[E_AXIS] = e_tmp;
|
|
plan_buffer_line_curposXYZE(200/60);
|
|
st_synchronize();
|
|
fsensor_oq_meassure_stop();
|
|
|
|
bool err = false;
|
|
err |= (fsensor_err_cnt > 0); // final error count is non-zero
|
|
err |= (fsensor_oq_er_sum > FSENSOR_OQ_MAX_ES); // total error count is above limit
|
|
err |= (fsensor_oq_yd_sum < FSENSOR_OQ_MIN_YD); // total measured distance is below limit
|
|
|
|
fsensor_restore_print_and_continue();
|
|
fsensor_autoload_enabled = autoload_enabled_tmp;
|
|
fsensor_oq_meassure_enabled = oq_meassure_enabled_tmp;
|
|
unsigned long now = _millis();
|
|
if (!err && (now - fsensor_softfail_last) > FSENSOR_SOFTERR_DELTA)
|
|
fsensor_softfail_ccnt = 0;
|
|
if (!err && fsensor_softfail_ccnt <= FSENSOR_SOFTERR_CMAX)
|
|
{
|
|
puts_P(PSTR("fsensor_err_cnt = 0"));
|
|
++fsensor_softfail;
|
|
++fsensor_softfail_ccnt;
|
|
fsensor_softfail_last = now;
|
|
}
|
|
else
|
|
{
|
|
fsensor_softfail_ccnt = 0;
|
|
fsensor_softfail_last = 0;
|
|
fsensor_enque_M600();
|
|
}
|
|
}
|
|
#else //PAT9125
|
|
if (CHECK_FSENSOR && ir_sensor_detected)
|
|
{
|
|
if(digitalRead(IR_SENSOR_PIN))
|
|
{ // IR_SENSOR_PIN ~ H
|
|
#ifdef IR_SENSOR_ANALOG
|
|
if(!bIRsensorStateFlag)
|
|
{
|
|
bIRsensorStateFlag=true;
|
|
nIRsensorLastTime=_millis();
|
|
}
|
|
else
|
|
{
|
|
if((_millis()-nIRsensorLastTime)>IR_SENSOR_STEADY)
|
|
{
|
|
uint8_t nMUX1,nMUX2;
|
|
uint16_t nADC;
|
|
bIRsensorStateFlag=false;
|
|
// sequence for direct data reading from AD converter
|
|
DISABLE_TEMPERATURE_INTERRUPT();
|
|
nMUX1=ADMUX; // ADMUX saving
|
|
nMUX2=ADCSRB;
|
|
adc_setmux(VOLT_IR_PIN);
|
|
ADCSRA|=(1<<ADSC); // first conversion after ADMUX change discarded (preventively)
|
|
while(ADCSRA&(1<<ADSC))
|
|
;
|
|
ADCSRA|=(1<<ADSC); // second conversion used
|
|
while(ADCSRA&(1<<ADSC))
|
|
;
|
|
nADC=ADC;
|
|
ADMUX=nMUX1; // ADMUX restoring
|
|
ADCSRB=nMUX2;
|
|
ENABLE_TEMPERATURE_INTERRUPT();
|
|
// end of sequence for ...
|
|
// Detection of correct function of fsensor v04 - it must NOT read >4.6V
|
|
// If it does, it means a disconnected cables or faulty board
|
|
if( (oFsensorPCB == ClFsensorPCB::_Rev04) && ( (nADC*OVERSAMPLENR) > IRsensor_Hopen_TRESHOLD ) )
|
|
{
|
|
fsensor_disable();
|
|
fsensor_not_responding = true;
|
|
printf_P(PSTR("IR sensor not responding (%d)!\n"),1);
|
|
if((ClFsensorActionNA)eeprom_read_byte((uint8_t*)EEPROM_FSENSOR_ACTION_NA)==ClFsensorActionNA::_Pause)
|
|
|
|
// if we are printing and FS action is set to "Pause", force pause the print
|
|
if(oFsensorActionNA==ClFsensorActionNA::_Pause)
|
|
lcd_pause_print();
|
|
}
|
|
else
|
|
{
|
|
#endif //IR_SENSOR_ANALOG
|
|
fsensor_checkpoint_print();
|
|
fsensor_enque_M600();
|
|
#ifdef IR_SENSOR_ANALOG
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{ // IR_SENSOR_PIN ~ L
|
|
bIRsensorStateFlag=false;
|
|
#endif //IR_SENSOR_ANALOG
|
|
}
|
|
}
|
|
#endif //PAT9125
|
|
}
|
|
|
|
#ifdef IR_SENSOR_ANALOG
|
|
/// This is called only upon start of the printer or when switching the fsensor ON in the menu
|
|
/// We cannot do temporal window checks here (aka the voltage has been in some range for a period of time)
|
|
bool fsensor_IR_check(){
|
|
if( IRsensor_Lmax_TRESHOLD <= current_voltage_raw_IR && current_voltage_raw_IR <= IRsensor_Hmin_TRESHOLD ){
|
|
/// If the voltage is in forbidden range, the fsensor is ok, but the lever is mounted improperly.
|
|
/// Or the user is so creative so that he can hold a piece of fillament in the hole in such a genius way,
|
|
/// that the IR fsensor reading is within 1.5 and 3V ... this would have been highly unusual
|
|
/// and would have been considered more like a sabotage than normal printer operation
|
|
puts_P(PSTR("fsensor in forbidden range 1.5-3V - check sensor"));
|
|
return false;
|
|
}
|
|
if( oFsensorPCB == ClFsensorPCB::_Rev04 ){
|
|
/// newer IR sensor cannot normally produce 4.6-5V, this is considered a failure/bad mount
|
|
if( IRsensor_Hopen_TRESHOLD <= current_voltage_raw_IR && current_voltage_raw_IR <= IRsensor_VMax_TRESHOLD ){
|
|
puts_P(PSTR("fsensor v0.4 in fault range 4.6-5V - unconnected"));
|
|
return false;
|
|
}
|
|
/// newer IR sensor cannot normally produce 0-0.3V, this is considered a failure
|
|
#if 0 //Disabled as it has to be decided if we gonna use this or not.
|
|
if( IRsensor_Hopen_TRESHOLD <= current_voltage_raw_IR && current_voltage_raw_IR <= IRsensor_VMax_TRESHOLD ){
|
|
puts_P(PSTR("fsensor v0.4 in fault range 0.0-0.3V - wrong IR sensor"));
|
|
return false;
|
|
}
|
|
#endif
|
|
}
|
|
/// If IR sensor is "uknown state" and filament is not loaded > 1.5V return false
|
|
#if 0
|
|
if( (oFsensorPCB == ClFsensorPCB::_Undef) && ( current_voltage_raw_IR > IRsensor_Lmax_TRESHOLD ) ){
|
|
puts_P(PSTR("Unknown IR sensor version and no filament loaded detected."));
|
|
return false;
|
|
}
|
|
#endif
|
|
// otherwise the IR fsensor is considered working correctly
|
|
return true;
|
|
}
|
|
#endif //IR_SENSOR_ANALOG
|