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HEV - High Energy Ventilator
Commit 7d7b28f7 authored by Derick's avatar Derick
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averaging adc value of differential pressure over a breath cycle and displaying it instead of FiO2

parent ff1f0719
Pipeline #885 canceled with stage
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    Showing with 10 additions and 6 deletions
    arduino/hev_prototype_v1/src/BreathingLoop.cpp
    View file @ 7d7b28f7
    ......@@ -95,7 +95,7 @@ BreathingLoop::BreathingLoop()
    _sum_airway_pressure = 0;
    _ap_readings_N = 0;
    _readings_N_ADC = 0;
    _running_index = 0;
    _running_index_peep = 0;
    ......@@ -197,8 +197,9 @@ void BreathingLoop::updateReadings()
    _readings_sums.temperature_buffer += static_cast<float>(analogRead(pin_temperature_buffer) );
    _readings_sums.pressure_o2_regulated += static_cast<float>(analogRead(pin_pressure_o2_regulated) );
    _readings_sums.pressure_diff_patient += static_cast<float>(analogRead(pin_pressure_diff_patient) );
    _readings_sums.o2_percent += static_cast<float>(analogRead(pin_o2_sensor) );
    // CHANGED
    _readings_sums.o2_percent += static_cast<float>(analogRead(pin_pressure_diff_patient) );
    _readings_N_ADC++;
    }
    ......@@ -277,13 +278,13 @@ void BreathingLoop::updateCycleReadings()
    if (_bl_state == BL_STATES::BUFF_PRE_INHALE){
    if(_cycle_done == false){
    logMsg("hello\n");
    logMsg("hello\n");
    uint32_t tnow = static_cast<uint32_t>(millis());
    _cycle_index = (_cycle_index == CYCLE_AVG_READINGS-1 ) ? 0 : _cycle_index+1;
    _cycle_readings.timestamp = tnow;
    _cycle_readings.fiO2_percent = _readings_avgs.o2_percent;// FIXME
    _cycle_readings.fiO2_percent = _readings_sums.o2_percent / _readings_N_ADC ;// FIXME
    _running_inhale_minute_volume[_cycle_index] = _volume_inhale ;
    _running_exhale_minute_volume[_cycle_index] = _volume_exhale ;
    //logMsg(" I, E "+String(_volume_inhale)+ " "+String(_volume_exhale));
    ......@@ -333,6 +334,8 @@ void BreathingLoop::updateCycleReadings()
    //reset
    _cycle_done = true;
    _readings_sums.o2_percent = 0;
    _readings_N_ADC = 0;
    }
    /* } else if ((_bl_state == BL_STATES::IDLE ) || (_bl_state == BL_STATES::CALIBRATION ) || (_bl_state == BL_STATES::STOP) ){
    _sum_airway_pressure = 0;
    ......@@ -436,7 +439,7 @@ void BreathingLoop::resetReadingSums()
    _readings_sums.pressure_o2_supply = 0;
    _readings_sums.pressure_o2_regulated = 0;
    _readings_sums.pressure_diff_patient = 0;
    _readings_sums.o2_percent = 0;
    //_readings_sums.o2_percent = 0;
    }
    //This is used to assign the transitions of the fsm
    ......
    arduino/hev_prototype_v1/src/BreathingLoop.h
    View file @ 7d7b28f7
    ......@@ -168,6 +168,7 @@ private:
    uint32_t _readings_avgs_timeout;
    uint32_t _readings_cycle_time;
    uint32_t _readings_cycle_timeout;
    uint32_t _readings_N_ADC;
    uint32_t _tsig_time;
    uint32_t _tsig_timeout;
    uint32_t _calculations_time;
    ......
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