2017-09-17 21:54:07 +00:00
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<a name="Intval"></a>
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## Intval
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Class representing the intval3 features
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**Kind**: global class
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2017-09-17 23:51:33 +00:00
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* [Intval](#Intval)
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* [._declarePins()](#Intval+_declarePins)
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* [._undeclarePins()](#Intval+_undeclarePins)
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2017-09-19 00:46:18 +00:00
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* [._startFwd()](#Intval+_startFwd)
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* [._startBwd()](#Intval+_startBwd)
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* [._stop()](#Intval+_stop)
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2017-09-19 19:06:52 +00:00
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* [._watchMicro(err, val)](#Intval+_watchMicro)
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* [._watchRelease(err, val)](#Intval+_watchRelease)
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2017-09-17 23:51:33 +00:00
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* [.frame(dir, time, delay)](#Intval+frame)
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<a name="Intval+_declarePins"></a>
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### intval._declarePins()
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Intval._declarePins() -
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(internal function) Declares all Gpio pins that will be used
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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<a name="Intval+_undeclarePins"></a>
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### intval._undeclarePins()
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Intval._undeclarePins() -
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(internal function) Undeclares all Gpio in event of uncaught error
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that interupts the node process
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2017-09-19 00:46:18 +00:00
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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<a name="Intval+_startFwd"></a>
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### intval._startFwd()
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Intval._startFwd() -
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Start motor in forward direction by setting correct pins in h-bridge
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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<a name="Intval+_startBwd"></a>
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### intval._startBwd()
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Intval._startBwd() -
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Start motor in backward direction by setting correct pins in h-bridge
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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<a name="Intval+_stop"></a>
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### intval._stop()
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Intval._stop() -
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Stop motor by setting both motor pins to 0 (LOW)
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2017-09-17 23:51:33 +00:00
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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2017-09-19 19:06:52 +00:00
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<a name="Intval+_watchMicro"></a>
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### intval._watchMicro(err, val)
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Intval._watchMicro() -
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Callback for watching microswitch state changes
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Using GPIO 06 on raspberry pi zero w
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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| Param | Type | Description |
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| --- | --- | --- |
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| err | <code>object</code> | Error object present if problem reading pin |
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| val | <code>integer</code> | Current value of the pin |
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<a name="Intval+_watchRelease"></a>
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### intval._watchRelease(err, val)
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Intval._watchRelease() -
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Callback for watching relese switch state changes
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Using GPIO 05 on raspberry pi zero w
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* If closed, start timer.
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* If opened, check timer AND
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* If time closed longer than minimum and less than `this._releaseSequence`, start frame
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* If time closed longer than `this._releaseSequence`, start sequence
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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| Param | Type | Description |
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| --- | --- | --- |
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| err | <code>object</code> | Error object present if problem reading pin |
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| val | <code>integer</code> | Current value of the pin |
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2017-09-17 23:51:33 +00:00
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<a name="Intval+frame"></a>
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### intval.frame(dir, time, delay)
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Intval.frame() -
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Begin a single frame with set variables or defaults
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**Kind**: instance method of [<code>Intval</code>](#Intval)
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| Param | Type | Default | Description |
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| --- | --- | --- | --- |
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| dir | <code>boolean</code> | <code></code> | (optional) Direction of the frame |
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| time | <code>integer</code> | <code></code> | (optional) Exposure time, 0 = minimum |
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| delay | <code>delay</code> | <code></code> | (optional) Delay after frame before another can be started |
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