AMiRo-OS

        chprintf(stream, " %d", test8 & AT42QT1050_LLD_FINFOUTMAXCALGUARD_GUARD);

    chprintf(stream, "\n\n\tkey\tgroup\tintegr.\tdelay\tthresh.\tpulse\tscale\n");

    }

}

    apalDbgAssert(first_key<5);

    event_listener_t event_listener;

    uint8_t keyStatus, detectionStatus;

    uint16_t signal, reference;

    uint8_t threshold[AT42QT1050_LLD_NUM_KEYS];

    //get thresholds

    for (uint8_t key = 0; key < AT42QT1050_LLD_NUM_KEYS; ++key) {

        *status |= at42qt1050_lld_read_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, txbuf, &threshold[key], ((ut_at42qt1050data_t*)ut->data)->timeout);

    }

    chEvtRegister(((ut_at42qt1050data_t*)ut->data)->evtsource, &event_listener, INTERRUPT_EVENT_ID);

        for (uint8_t key = first_key; key < AT42QT1050_LLD_NUM_KEYS; ++key) {

            chprintf(stream, "\n\033[0m");

        }

        const eventflags_t eflags = chEvtGetAndClearFlags(&event_listener);

        if (emask == EVENT_MASK(INTERRUPT_EVENT_ID) && eflags == ((ut_at42qt1050data_t*)ut->data)->evtflags) {

            // interrupt detected

            chprintf(stream, "calibrate");

        chprintf(stream, "\033[K");

            break;

        chprintf(stream, "\033[%dF", 5-first_key); //cursor up

    // local variables

    aos_utresult_t result = {0, 0};

    apalExitStatus_t status;

    bool error;

    chprintf(stream, "read register...\n");

        const at42qt1050_lld_register_t txbuf = at42qt1050_lld_addr_calc(AT42QT1050_LLD_REG_INTEGRATOR_AKS_0, key);

        detectionintegrator.aks = 1;                  //on touch per group-id simultaneous

        detectionintegrator.detection_integrator = 4; //4 times > threshold => touchevent

    }

    if (status == APAL_STATUS_SUCCESS) {

        aosUtPassed(stream, &result);

    }

    status = APAL_STATUS_OK;

    at42qt1050_lld_pulsescalereg_t pulse_scale;

    //values stored as exponent of 2

    pulse_scale.pulse = 0; // accumulate #pulses -> increase resolution & time to acquire

    pulse_scale.scale = 0; // scale = average factor n: NewAvg = (NewData/n) + [OldAvg*(n-1/n)] -> decrease noise

    status  = at42qt1050_lld_write_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, AT42QT1050_LLD_REG_PULSE_SCALE_0, pulse_scale.raw , ((ut_at42qt1050data_t*)ut->data)->timeout);

    pulse_scale.pulse = 4;

    status |= at42qt1050_lld_write_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, AT42QT1050_LLD_REG_PULSE_SCALE_1, pulse_scale.raw , ((ut_at42qt1050data_t*)ut->data)->timeout);

    status |= at42qt1050_lld_write_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, AT42QT1050_LLD_REG_PULSE_SCALE_2, pulse_scale.raw , ((ut_at42qt1050data_t*)ut->data)->timeout);

    status |= at42qt1050_lld_write_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, AT42QT1050_LLD_REG_PULSE_SCALE_4, pulse_scale.raw , ((ut_at42qt1050data_t*)ut->data)->timeout);

    for (uint8_t key = 0; key < AT42QT1050_LLD_NUM_KEYS; ++key) {

        const at42qt1050_lld_register_t txbuf = at42qt1050_lld_addr_calc(AT42QT1050_LLD_REG_NEGATIVETHRESHOLD_0, key);

    }

    chprintf(stream, "disable guard key\n");

    status |= at42qt1050_lld_write_reg(((ut_at42qt1050data_t*)ut->data)->at42qt1050d, AT42QT1050_LLD_REG_INTEGRATOR_AKS_0, 0 , ((ut_at42qt1050data_t*)ut->data)->timeout); //disable key

    chprintf(stream, "shutdown touch\n");

    test_8 = 0; //Power down

    if (status == APAL_STATUS_SUCCESS) {

        aosUtPassed(stream, &result);

    } else {