Defer updated ADC
This commit is contained in:
Scott Lahteine
parent
ddce1c6ef2
commit
4360142bd1
@ -2798,133 +2798,23 @@ void Temperature::tick() {
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if ((do_buttons ^= true)) ui.update_buttons();
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if ((do_buttons ^= true)) ui.update_buttons();
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/**
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/**
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* On each call to the ISR one sensor is Sampled and
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* One sensor is sampled on every other call of the ISR.
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* the next sensor is Prepared.
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* Each sensor is read 16 (OVERSAMPLENR) times, taking the average.
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*
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*
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* Sensors are read 16 (OVERSAMPLENR) times and the
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* On each Prepare pass, ADC is started for a sensor pin.
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* final reading takes the average.
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* On the next pass, the ADC value is read and accumulated.
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*
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*
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* Extra do-nothing passes may exist when there are
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* This gives each ADC 0.9765ms to charge up.
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* only a few sensors. This is set by MIN_ADC_ISR_LOOPS.
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*
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* The timing of this ISR gives ADCs 0.9765ms to charge up.
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*/
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*/
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#define ACCUMULATE_ADC(obj) do{ \
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#define ACCUMULATE_ADC(obj) do{ \
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if (HAL_ADC_READY()) \
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if (!HAL_ADC_READY()) next_sensor_state = adc_sensor_state; \
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obj.sample(HAL_READ_ADC()); \
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else obj.sample(HAL_READ_ADC()); \
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else \
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next_sensor_state = adc_sensor_state; \
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}while(0)
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}while(0)
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#define NEXT_ENUM(A) (typeof(A))(int(A) + 1)
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ADCSensorState next_sensor_state = adc_sensor_state < SensorsReady ? (ADCSensorState)(int(adc_sensor_state) + 1) : StartSampling;
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#define NEXT_ADC_STATE(N) ((N) >= SensorsReady ? StartSampling : NEXT_ENUM(N))
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// Assume the machine will go on to the next state
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ADCSensorState next_sensor_state = NEXT_ADC_STATE(adc_sensor_state);
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switch (adc_sensor_state) {
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switch (adc_sensor_state) {
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default: break;
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#if HAS_TEMP_ADC_0
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case MeasureTemp_0: ACCUMULATE_ADC(temp_hotend[0]); break;
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#endif
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#if HAS_HEATED_BED
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case MeasureTemp_BED: ACCUMULATE_ADC(temp_bed); break;
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#endif
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#if HAS_TEMP_CHAMBER
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case MeasureTemp_CHAMBER: ACCUMULATE_ADC(temp_chamber); break;
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#endif
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#if HAS_TEMP_PROBE
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case MeasureTemp_PROBE: ACCUMULATE_ADC(temp_probe); break;
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#endif
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#if HAS_TEMP_ADC_1
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case MeasureTemp_1: ACCUMULATE_ADC(temp_hotend[1]); break;
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#endif
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#if HAS_TEMP_ADC_2
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case MeasureTemp_2: ACCUMULATE_ADC(temp_hotend[2]); break;
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#endif
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#if HAS_TEMP_ADC_3
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case MeasureTemp_3: ACCUMULATE_ADC(temp_hotend[3]); break;
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#endif
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#if HAS_TEMP_ADC_4
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case MeasureTemp_4: ACCUMULATE_ADC(temp_hotend[4]); break;
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#endif
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#if HAS_TEMP_ADC_5
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case MeasureTemp_5: ACCUMULATE_ADC(temp_hotend[5]); break;
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#endif
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#if HAS_TEMP_ADC_6
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case MeasureTemp_6: ACCUMULATE_ADC(temp_hotend[6]); break;
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#endif
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#if HAS_TEMP_ADC_7
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case MeasureTemp_7: ACCUMULATE_ADC(temp_hotend[7]); break;
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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case Measure_FILWIDTH:
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if (HAL_ADC_READY())
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filwidth.accumulate(HAL_READ_ADC());
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else
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next_sensor_state = adc_sensor_state; // redo this state
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break;
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#endif
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#if HAS_JOY_ADC_X
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case MeasureJoy_X: ACCUMULATE_ADC(joystick.x); break;
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#endif
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#if HAS_JOY_ADC_Y
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case MeasureJoy_Y: ACCUMULATE_ADC(joystick.y); break;
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#endif
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#if HAS_JOY_ADC_Z
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case MeasureJoy_Z: ACCUMULATE_ADC(joystick.z); break;
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#endif
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#if HAS_ADC_BUTTONS
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#ifndef ADC_BUTTON_DEBOUNCE_DELAY
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#define ADC_BUTTON_DEBOUNCE_DELAY 16
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#endif
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case Measure_ADC_KEY: {
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if (HAL_ADC_READY()) {
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if (ADCKey_count < ADC_BUTTON_DEBOUNCE_DELAY) {
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raw_ADCKey_value = HAL_READ_ADC();
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if (raw_ADCKey_value <= (HAL_ADC_RANGE) * 900UL / 1024UL) {
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NOMORE(current_ADCKey_raw, raw_ADCKey_value);
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ADCKey_count++;
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}
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else { // ADC Key release
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if (ADCKey_count > 0) {
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if (ADCKey_pressed) {
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ADCKey_count = 0;
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current_ADCKey_raw = HAL_ADC_RANGE;
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}
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else
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ADCKey_count++;
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}
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else
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ADCKey_pressed = false;
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}
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if (ADCKey_count == ADC_BUTTON_DEBOUNCE_DELAY) ADCKey_pressed = true;
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}
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}
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else
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next_sensor_state = adc_sensor_state; // redo this state
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} break;
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#endif // HAS_ADC_BUTTONS
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} // switch(adc_sensor_state)
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// Go to the next state (may be unchanged)
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adc_sensor_state = next_sensor_state;
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// Assume that the state advances
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next_sensor_state = NEXT_ADC_STATE(adc_sensor_state);
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switch (adc_sensor_state) {
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default: break;
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case SensorsReady: {
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case SensorsReady: {
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// All sensors have been read. Stay in this state for a few
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// All sensors have been read. Stay in this state for a few
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// ISRs to save on calls to temp update/checking code below.
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// ISRs to save on calls to temp update/checking code below.
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@ -2934,72 +2824,128 @@ void Temperature::tick() {
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if (delay_count == 0) delay_count = extra_loops; // Init this delay
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if (delay_count == 0) delay_count = extra_loops; // Init this delay
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if (--delay_count) // While delaying...
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if (--delay_count) // While delaying...
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next_sensor_state = SensorsReady; // retain this state (else, next state will be 0)
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next_sensor_state = SensorsReady; // retain this state (else, next state will be 0)
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break; // No fallthru
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break;
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}
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}
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else {
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else {
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adc_sensor_state = StartSampling; // Fall through to count up oversamples
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adc_sensor_state = StartSampling; // Fall-through to start sampling
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next_sensor_state = NEXT_ENUM(StartSampling); // and possibly send the final readings.
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next_sensor_state = (ADCSensorState)(int(StartSampling) + 1);
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}
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}
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}
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}
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// fallthru
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case StartSampling: // Start of sampling loops. Do updates/checks.
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case StartSampling: // Start of sampling loops. Do updates/checks.
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if (++temp_count >= OVERSAMPLENR) { // 10 * 16 * 1/(16000000/64/256) = 164ms.
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if (++temp_count >= OVERSAMPLENR) { // 10 * 16 * 1/(16000000/64/256) = 164ms.
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temp_count = 0;
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temp_count = 0;
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readings_ready();
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readings_ready();
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}
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}
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adc_sensor_state = NEXT_ENUM(StartSampling); // Do one Prepare phase before exiting
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break;
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next_sensor_state = NEXT_ENUM(adc_sensor_state); // Also update the next state
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// fallthru
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#if HAS_TEMP_ADC_0
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#if HAS_TEMP_ADC_0
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case PrepareTemp_0: HAL_START_ADC(TEMP_0_PIN); break;
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case PrepareTemp_0: HAL_START_ADC(TEMP_0_PIN); break;
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case MeasureTemp_0: ACCUMULATE_ADC(temp_hotend[0]); break;
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#endif
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#endif
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#if HAS_HEATED_BED
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#if HAS_HEATED_BED
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case PrepareTemp_BED: HAL_START_ADC(TEMP_BED_PIN); break;
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case PrepareTemp_BED: HAL_START_ADC(TEMP_BED_PIN); break;
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case MeasureTemp_BED: ACCUMULATE_ADC(temp_bed); break;
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#endif
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#endif
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#if HAS_TEMP_CHAMBER
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#if HAS_TEMP_CHAMBER
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case PrepareTemp_CHAMBER: HAL_START_ADC(TEMP_CHAMBER_PIN); break;
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case PrepareTemp_CHAMBER: HAL_START_ADC(TEMP_CHAMBER_PIN); break;
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case MeasureTemp_CHAMBER: ACCUMULATE_ADC(temp_chamber); break;
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#endif
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#endif
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#if HAS_TEMP_PROBE
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#if HAS_TEMP_PROBE
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case PrepareTemp_PROBE: HAL_START_ADC(TEMP_PROBE_PIN); break;
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case PrepareTemp_PROBE: HAL_START_ADC(TEMP_PROBE_PIN); break;
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case MeasureTemp_PROBE: ACCUMULATE_ADC(temp_probe); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_1
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#if HAS_TEMP_ADC_1
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case PrepareTemp_1: HAL_START_ADC(TEMP_1_PIN); break;
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case PrepareTemp_1: HAL_START_ADC(TEMP_1_PIN); break;
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case MeasureTemp_1: ACCUMULATE_ADC(temp_hotend[1]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_2
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#if HAS_TEMP_ADC_2
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case PrepareTemp_2: HAL_START_ADC(TEMP_2_PIN); break;
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case PrepareTemp_2: HAL_START_ADC(TEMP_2_PIN); break;
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case MeasureTemp_2: ACCUMULATE_ADC(temp_hotend[2]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_3
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#if HAS_TEMP_ADC_3
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case PrepareTemp_3: HAL_START_ADC(TEMP_3_PIN); break;
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case PrepareTemp_3: HAL_START_ADC(TEMP_3_PIN); break;
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case MeasureTemp_3: ACCUMULATE_ADC(temp_hotend[3]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_4
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#if HAS_TEMP_ADC_4
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case PrepareTemp_4: HAL_START_ADC(TEMP_4_PIN); break;
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case PrepareTemp_4: HAL_START_ADC(TEMP_4_PIN); break;
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case MeasureTemp_4: ACCUMULATE_ADC(temp_hotend[4]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_5
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#if HAS_TEMP_ADC_5
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case PrepareTemp_5: HAL_START_ADC(TEMP_5_PIN); break;
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case PrepareTemp_5: HAL_START_ADC(TEMP_5_PIN); break;
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case MeasureTemp_5: ACCUMULATE_ADC(temp_hotend[5]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_6
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#if HAS_TEMP_ADC_6
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case PrepareTemp_6: HAL_START_ADC(TEMP_6_PIN); break;
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case PrepareTemp_6: HAL_START_ADC(TEMP_6_PIN); break;
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case MeasureTemp_6: ACCUMULATE_ADC(temp_hotend[6]); break;
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#endif
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#endif
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#if HAS_TEMP_ADC_7
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#if HAS_TEMP_ADC_7
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case PrepareTemp_7: HAL_START_ADC(TEMP_7_PIN); break;
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case PrepareTemp_7: HAL_START_ADC(TEMP_7_PIN); break;
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case MeasureTemp_7: ACCUMULATE_ADC(temp_hotend[7]); break;
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#endif
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#endif
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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#if ENABLED(FILAMENT_WIDTH_SENSOR)
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case Prepare_FILWIDTH: HAL_START_ADC(FILWIDTH_PIN); break;
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case Prepare_FILWIDTH: HAL_START_ADC(FILWIDTH_PIN); break;
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case Measure_FILWIDTH:
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if (!HAL_ADC_READY())
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next_sensor_state = adc_sensor_state; // redo this state
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else
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filwidth.accumulate(HAL_READ_ADC());
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break;
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#endif
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#endif
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#if HAS_JOY_ADC_X
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#if HAS_JOY_ADC_X
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case PrepareJoy_X: HAL_START_ADC(JOY_X_PIN); break;
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case PrepareJoy_X: HAL_START_ADC(JOY_X_PIN); break;
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case MeasureJoy_X: ACCUMULATE_ADC(joystick.x); break;
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#endif
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#endif
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#if HAS_JOY_ADC_Y
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#if HAS_JOY_ADC_Y
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case PrepareJoy_Y: HAL_START_ADC(JOY_Y_PIN); break;
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case PrepareJoy_Y: HAL_START_ADC(JOY_Y_PIN); break;
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case MeasureJoy_Y: ACCUMULATE_ADC(joystick.y); break;
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#endif
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#endif
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#if HAS_JOY_ADC_Z
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#if HAS_JOY_ADC_Z
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case PrepareJoy_Z: HAL_START_ADC(JOY_Z_PIN); break;
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case PrepareJoy_Z: HAL_START_ADC(JOY_Z_PIN); break;
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case MeasureJoy_Z: ACCUMULATE_ADC(joystick.z); break;
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#endif
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#endif
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#if HAS_ADC_BUTTONS
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#if HAS_ADC_BUTTONS
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case Prepare_ADC_KEY: HAL_START_ADC(ADC_KEYPAD_PIN); break;
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#ifndef ADC_BUTTON_DEBOUNCE_DELAY
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#define ADC_BUTTON_DEBOUNCE_DELAY 16
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#endif
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#endif
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case Prepare_ADC_KEY: HAL_START_ADC(ADC_KEYPAD_PIN); break;
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case Measure_ADC_KEY:
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if (!HAL_ADC_READY())
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next_sensor_state = adc_sensor_state; // redo this state
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else if (ADCKey_count < ADC_BUTTON_DEBOUNCE_DELAY) {
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raw_ADCKey_value = HAL_READ_ADC();
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if (raw_ADCKey_value <= 900UL * HAL_ADC_RANGE / 1024UL) {
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NOMORE(current_ADCKey_raw, raw_ADCKey_value);
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ADCKey_count++;
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}
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else { //ADC Key release
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if (ADCKey_count > 0) ADCKey_count++; else ADCKey_pressed = false;
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if (ADCKey_pressed) {
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ADCKey_count = 0;
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current_ADCKey_raw = HAL_ADC_RANGE;
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}
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}
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}
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if (ADCKey_count == ADC_BUTTON_DEBOUNCE_DELAY) ADCKey_pressed = true;
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break;
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#endif // HAS_ADC_BUTTONS
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case StartupDelay: break;
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} // switch(adc_sensor_state)
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} // switch(adc_sensor_state)
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