<?php
namespace Yoctopuce\YoctoAPI;

/**
 * YAccelerometer Class: accelerometer control interface, available for instance in the Yocto-3D-V2 or
 * the Yocto-Inclinometer
 *
 * The YAccelerometer class allows you to read and configure Yoctopuce accelerometers.
 * It inherits from YSensor class the core functions to read measurements,
 * to register callback functions, and to access the autonomous datalogger.
 * This class adds the possibility to access x, y and z components of the acceleration
 * vector separately.
 */
class YAccelerometer extends YSensor
{
    const BANDWIDTH_INVALID = YAPI::INVALID_UINT;
    const XVALUE_INVALID = YAPI::INVALID_DOUBLE;
    const YVALUE_INVALID = YAPI::INVALID_DOUBLE;
    const ZVALUE_INVALID = YAPI::INVALID_DOUBLE;
    const GRAVITYCANCELLATION_OFF = 0;
    const GRAVITYCANCELLATION_ON = 1;
    const GRAVITYCANCELLATION_INVALID = -1;
    //--- (end of YAccelerometer declaration)

    //--- (YAccelerometer attributes)
    protected int $_bandwidth = self::BANDWIDTH_INVALID;      // UInt31
    protected float $_xValue = self::XVALUE_INVALID;         // MeasureVal
    protected float $_yValue = self::YVALUE_INVALID;         // MeasureVal
    protected float $_zValue = self::ZVALUE_INVALID;         // MeasureVal
    protected int $_gravityCancellation = self::GRAVITYCANCELLATION_INVALID; // OnOff

    //--- (end of YAccelerometer attributes)

    function __construct(string $str_func)
    {
        //--- (YAccelerometer constructor)
        parent::__construct($str_func);
        $this->_className = 'Accelerometer';

        //--- (end of YAccelerometer constructor)
    }

    //--- (YAccelerometer implementation)

    function _parseAttr(string $name, mixed $val): int
    {
        switch ($name) {
        case 'bandwidth':
            $this->_bandwidth = intval($val);
            return 1;
        case 'xValue':
            $this->_xValue = round($val / 65.536) / 1000.0;
            return 1;
        case 'yValue':
            $this->_yValue = round($val / 65.536) / 1000.0;
            return 1;
        case 'zValue':
            $this->_zValue = round($val / 65.536) / 1000.0;
            return 1;
        case 'gravityCancellation':
            $this->_gravityCancellation = intval($val);
            return 1;
        }
        return parent::_parseAttr($name, $val);
    }

    /**
     * Returns the measure update frequency, measured in Hz.
     *
     * @return int  an integer corresponding to the measure update frequency, measured in Hz
     *
     * On failure, throws an exception or returns YAccelerometer::BANDWIDTH_INVALID.
     * @throws YAPI_Exception on error
     */
    public function get_bandwidth(): int
    {
        // $res                    is a int;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::BANDWIDTH_INVALID;
            }
        }
        $res = $this->_bandwidth;
        return $res;
    }

    /**
     * Changes the measure update frequency, measured in Hz. When the
     * frequency is lower, the device performs averaging.
     * Remember to call the saveToFlash()
     * method of the module if the modification must be kept.
     *
     * @param int $newval : an integer corresponding to the measure update frequency, measured in Hz
     *
     * @return int  YAPI::SUCCESS if the call succeeds.
     *
     * On failure, throws an exception or returns a negative error code.
     * @throws YAPI_Exception on error
     */
    public function set_bandwidth(int $newval): int
    {
        $rest_val = strval($newval);
        return $this->_setAttr("bandwidth", $rest_val);
    }

    /**
     * Returns the X component of the acceleration, as a floating point number.
     *
     * @return float  a floating point number corresponding to the X component of the acceleration, as a
     * floating point number
     *
     * On failure, throws an exception or returns YAccelerometer::XVALUE_INVALID.
     * @throws YAPI_Exception on error
     */
    public function get_xValue(): float
    {
        // $res                    is a double;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::XVALUE_INVALID;
            }
        }
        $res = $this->_xValue;
        return $res;
    }

    /**
     * Returns the Y component of the acceleration, as a floating point number.
     *
     * @return float  a floating point number corresponding to the Y component of the acceleration, as a
     * floating point number
     *
     * On failure, throws an exception or returns YAccelerometer::YVALUE_INVALID.
     * @throws YAPI_Exception on error
     */
    public function get_yValue(): float
    {
        // $res                    is a double;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::YVALUE_INVALID;
            }
        }
        $res = $this->_yValue;
        return $res;
    }

    /**
     * Returns the Z component of the acceleration, as a floating point number.
     *
     * @return float  a floating point number corresponding to the Z component of the acceleration, as a
     * floating point number
     *
     * On failure, throws an exception or returns YAccelerometer::ZVALUE_INVALID.
     * @throws YAPI_Exception on error
     */
    public function get_zValue(): float
    {
        // $res                    is a double;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::ZVALUE_INVALID;
            }
        }
        $res = $this->_zValue;
        return $res;
    }

    /**
     * @throws YAPI_Exception on error
     */
    public function get_gravityCancellation(): int
    {
        // $res                    is a enumONOFF;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::GRAVITYCANCELLATION_INVALID;
            }
        }
        $res = $this->_gravityCancellation;
        return $res;
    }

    /**
     * @throws YAPI_Exception
     */
    public function set_gravityCancellation(int $newval): int
    {
        $rest_val = strval($newval);
        return $this->_setAttr("gravityCancellation", $rest_val);
    }

    /**
     * Retrieves an accelerometer for a given identifier.
     * The identifier can be specified using several formats:
     *
     * - FunctionLogicalName
     * - ModuleSerialNumber.FunctionIdentifier
     * - ModuleSerialNumber.FunctionLogicalName
     * - ModuleLogicalName.FunctionIdentifier
     * - ModuleLogicalName.FunctionLogicalName
     *
     *
     * This function does not require that the accelerometer is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method isOnline() to test if the accelerometer is
     * indeed online at a given time. In case of ambiguity when looking for
     * an accelerometer by logical name, no error is notified: the first instance
     * found is returned. The search is performed first by hardware name,
     * then by logical name.
     *
     * If a call to this object's is_online() method returns FALSE although
     * you are certain that the matching device is plugged, make sure that you did
     * call registerHub() at application initialization time.
     *
     * @param string $func : a string that uniquely characterizes the accelerometer, for instance
     *         Y3DMK002.accelerometer.
     *
     * @return YAccelerometer  a YAccelerometer object allowing you to drive the accelerometer.
     */
    public static function FindAccelerometer(string $func): YAccelerometer
    {
        // $obj                    is a YAccelerometer;
        $obj = YFunction::_FindFromCache('Accelerometer', $func);
        if ($obj == null) {
            $obj = new YAccelerometer($func);
            YFunction::_AddToCache('Accelerometer', $func, $obj);
        }
        return $obj;
    }

    /**
     * @throws YAPI_Exception
     */
    public function bandwidth(): int
{
    return $this->get_bandwidth();
}

    /**
     * @throws YAPI_Exception
     */
    public function setBandwidth(int $newval): int
{
    return $this->set_bandwidth($newval);
}

    /**
     * @throws YAPI_Exception
     */
    public function xValue(): float
{
    return $this->get_xValue();
}

    /**
     * @throws YAPI_Exception
     */
    public function yValue(): float
{
    return $this->get_yValue();
}

    /**
     * @throws YAPI_Exception
     */
    public function zValue(): float
{
    return $this->get_zValue();
}

    /**
     * @throws YAPI_Exception
     */
    public function gravityCancellation(): int
{
    return $this->get_gravityCancellation();
}

    /**
     * @throws YAPI_Exception
     */
    public function setGravityCancellation(int $newval): int
{
    return $this->set_gravityCancellation($newval);
}

    /**
     * Continues the enumeration of accelerometers started using yFirstAccelerometer().
     * Caution: You can't make any assumption about the returned accelerometers order.
     * If you want to find a specific an accelerometer, use Accelerometer.findAccelerometer()
     * and a hardwareID or a logical name.
     *
     * @return ?YAccelerometer  a pointer to a YAccelerometer object, corresponding to
     *         an accelerometer currently online, or a null pointer
     *         if there are no more accelerometers to enumerate.
     */
    public function nextAccelerometer(): ?YAccelerometer
    {
        $resolve = YAPI::resolveFunction($this->_className, $this->_func);
        if ($resolve->errorType != YAPI::SUCCESS) {
            return null;
        }
        $next_hwid = YAPI::getNextHardwareId($this->_className, $resolve->result);
        if ($next_hwid == null) {
            return null;
        }
        return self::FindAccelerometer($next_hwid);
    }

    /**
     * Starts the enumeration of accelerometers currently accessible.
     * Use the method YAccelerometer::nextAccelerometer() to iterate on
     * next accelerometers.
     *
     * @return ?YAccelerometer  a pointer to a YAccelerometer object, corresponding to
     *         the first accelerometer currently online, or a null pointer
     *         if there are none.
     */
    public static function FirstAccelerometer(): ?YAccelerometer
    {
        $next_hwid = YAPI::getFirstHardwareId('Accelerometer');
        if ($next_hwid == null) {
            return null;
        }
        return self::FindAccelerometer($next_hwid);
    }

    //--- (end of YAccelerometer implementation)

}
