<?php
/*********************************************************************
 *
 *  $Id: svn_id $
 *
 *  Implements YPowerOutput, the high-level API for PowerOutput functions
 *
 *  - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
 *  Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual
 *  non-exclusive license to use, modify, copy and integrate this
 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
 *
 *  You may reproduce and distribute copies of this file in
 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
 *  this notice in the distributed source file.
 *
 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
 *  obligations.
 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED 'AS IS' WITHOUT
 *  WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO
 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 *  COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR
 *  SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT
 *  LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR
 *  CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE
 *  BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
 *  WARRANTY, OR OTHERWISE.
 *
 *********************************************************************/

//--- (YPowerOutput return codes)
//--- (end of YPowerOutput return codes)
//--- (YPowerOutput definitions)
if (!defined('Y_VOLTAGE_OFF')) {
    define('Y_VOLTAGE_OFF', 0);
}
if (!defined('Y_VOLTAGE_OUT3V3')) {
    define('Y_VOLTAGE_OUT3V3', 1);
}
if (!defined('Y_VOLTAGE_OUT5V')) {
    define('Y_VOLTAGE_OUT5V', 2);
}
if (!defined('Y_VOLTAGE_OUT4V7')) {
    define('Y_VOLTAGE_OUT4V7', 3);
}
if (!defined('Y_VOLTAGE_OUT1V8')) {
    define('Y_VOLTAGE_OUT1V8', 4);
}
if (!defined('Y_VOLTAGE_INVALID')) {
    define('Y_VOLTAGE_INVALID', -1);
}
//--- (end of YPowerOutput definitions)
    #--- (YPowerOutput yapiwrapper)

   #--- (end of YPowerOutput yapiwrapper)

//--- (YPowerOutput declaration)
//vvvv YPowerOutput.php

/**
 * YPowerOutput Class: power output control interface, available for instance in the Yocto-I2C, the
 * Yocto-MaxiMicroVolt-Rx, the Yocto-SPI or the Yocto-Serial
 *
 * The YPowerOutput class allows you to control
 * the power output featured on some Yoctopuce devices.
 */
class YPowerOutput extends YFunction
{
    const VOLTAGE_OFF = 0;
    const VOLTAGE_OUT3V3 = 1;
    const VOLTAGE_OUT5V = 2;
    const VOLTAGE_OUT4V7 = 3;
    const VOLTAGE_OUT1V8 = 4;
    const VOLTAGE_INVALID = -1;
    //--- (end of YPowerOutput declaration)

    //--- (YPowerOutput attributes)
    protected $_voltage = self::VOLTAGE_INVALID;        // PowerOuputVoltage

    //--- (end of YPowerOutput attributes)

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

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

    //--- (YPowerOutput implementation)

    function _parseAttr(string $name,  $val): int
    {
        switch ($name) {
        case 'voltage':
            $this->_voltage = intval($val);
            return 1;
        }
        return parent::_parseAttr($name, $val);
    }

    /**
     * Returns the voltage on the power output featured by the module.
     *
     * @return int  a value among YPowerOutput::VOLTAGE_OFF, YPowerOutput::VOLTAGE_OUT3V3,
     * YPowerOutput::VOLTAGE_OUT5V, YPowerOutput::VOLTAGE_OUT4V7 and YPowerOutput::VOLTAGE_OUT1V8
     * corresponding to the voltage on the power output featured by the module
     *
     * On failure, throws an exception or returns YPowerOutput::VOLTAGE_INVALID.
     * @throws YAPI_Exception on error
     */
    public function get_voltage(): int
    {
        // $res                    is a enumPOWEROUPUTVOLTAGE;
        if ($this->_cacheExpiration <= YAPI::GetTickCount()) {
            if ($this->load(YAPI::$_yapiContext->GetCacheValidity()) != YAPI::SUCCESS) {
                return self::VOLTAGE_INVALID;
            }
        }
        $res = $this->_voltage;
        return $res;
    }

    /**
     * Changes the voltage on the power output provided by the
     * module. Remember to call the saveToFlash() method of the module if the
     * modification must be kept.
     *
     * @param int $newval : a value among YPowerOutput::VOLTAGE_OFF, YPowerOutput::VOLTAGE_OUT3V3,
     * YPowerOutput::VOLTAGE_OUT5V, YPowerOutput::VOLTAGE_OUT4V7 and YPowerOutput::VOLTAGE_OUT1V8
     * corresponding to the voltage on the power output provided by the
     *         module
     *
     * @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_voltage(int $newval): int
    {
        $rest_val = strval($newval);
        return $this->_setAttr("voltage", $rest_val);
    }

    /**
     * Retrieves a power output 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 power output is online at the time
     * it is invoked. The returned object is nevertheless valid.
     * Use the method isOnline() to test if the power output is
     * indeed online at a given time. In case of ambiguity when looking for
     * a power output 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 power output, for instance
     *         YI2CMK01.powerOutput.
     *
     * @return YPowerOutput  a YPowerOutput object allowing you to drive the power output.
     */
    public static function FindPowerOutput(string $func): YPowerOutput
    {
        // $obj                    is a YPowerOutput;
        $obj = YFunction::_FindFromCache('PowerOutput', $func);
        if ($obj == null) {
            $obj = new YPowerOutput($func);
            YFunction::_AddToCache('PowerOutput', $func, $obj);
        }
        return $obj;
    }

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

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

    /**
     * Continues the enumeration of power output started using yFirstPowerOutput().
     * Caution: You can't make any assumption about the returned power output order.
     * If you want to find a specific a power output, use PowerOutput.findPowerOutput()
     * and a hardwareID or a logical name.
     *
     * @return ?YPowerOutput  a pointer to a YPowerOutput object, corresponding to
     *         a power output currently online, or a null pointer
     *         if there are no more power output to enumerate.
     */
    public function nextPowerOutput(): ?YPowerOutput
    {
        $resolve = YAPI::resolveFunction($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::FindPowerOutput($next_hwid);
    }

    /**
     * Starts the enumeration of power output currently accessible.
     * Use the method YPowerOutput::nextPowerOutput() to iterate on
     * next power output.
     *
     * @return ?YPowerOutput  a pointer to a YPowerOutput object, corresponding to
     *         the first power output currently online, or a null pointer
     *         if there are none.
     */
    public static function FirstPowerOutput(): ?YPowerOutput
    {
        $next_hwid = YAPI::getFirstHardwareId('PowerOutput');
        if ($next_hwid == null) {
            return null;
        }
        return self::FindPowerOutput($next_hwid);
    }

    //--- (end of YPowerOutput implementation)

}
//^^^^ YPowerOutput.php

//--- (YPowerOutput functions)

/**
 * Retrieves a power output 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 power output is online at the time
 * it is invoked. The returned object is nevertheless valid.
 * Use the method isOnline() to test if the power output is
 * indeed online at a given time. In case of ambiguity when looking for
 * a power output 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 power output, for instance
 *         YI2CMK01.powerOutput.
 *
 * @return YPowerOutput  a YPowerOutput object allowing you to drive the power output.
 */
function yFindPowerOutput(string $func): YPowerOutput
{
    return YPowerOutput::FindPowerOutput($func);
}

/**
 * Starts the enumeration of power output currently accessible.
 * Use the method YPowerOutput::nextPowerOutput() to iterate on
 * next power output.
 *
 * @return ?YPowerOutput  a pointer to a YPowerOutput object, corresponding to
 *         the first power output currently online, or a null pointer
 *         if there are none.
 */
function yFirstPowerOutput(): ?YPowerOutput
{
    return YPowerOutput::FirstPowerOutput();
}

//--- (end of YPowerOutput functions)

