intval3/lib/intval

Intval

Class representing the intval3 features

Kind: global class

• Intval
  • ._declarePins()
  • ._undeclarePins()
  • ._startFwd()
  • ._startBwd()
  • ._stop()
  • ._watchMicro(err, val)
  • ._watchRelease(err, val)
  • .frame(dir, time, delay)

intval._declarePins()

Intval._declarePins() - (internal function) Declares all Gpio pins that will be used

Kind: instance method of Intval

intval._undeclarePins()

Intval._undeclarePins() - (internal function) Undeclares all Gpio in event of uncaught error that interupts the node process

Kind: instance method of Intval

intval._startFwd()

Intval._startFwd() - Start motor in forward direction by setting correct pins in h-bridge

Kind: instance method of Intval

intval._startBwd()

Intval._startBwd() - Start motor in backward direction by setting correct pins in h-bridge

Kind: instance method of Intval

intval._stop()

Intval._stop() - Stop motor by setting both motor pins to 0 (LOW)

Kind: instance method of Intval

intval._watchMicro(err, val)

Intval._watchMicro() - Callback for watching microswitch state changes Using GPIO 06 on raspberry pi zero w

Kind: instance method of Intval

Param	Type	Description
err	object	Error object present if problem reading pin
val	integer	Current value of the pin

intval._watchRelease(err, val)

Intval._watchRelease() - Callback for watching relese switch state changes Using GPIO 05 on raspberry pi zero w

• If closed, start timer.
• If opened, check timer AND
• If time closed longer than minimum and less than this._releaseSequence, start frame
• If time closed longer than this._releaseSequence, start sequence

Kind: instance method of Intval

Param	Type	Description
err	object	Error object present if problem reading pin
val	integer	Current value of the pin

intval.frame(dir, time, delay)

Intval.frame() - Begin a single frame with set variables or defaults

Kind: instance method of Intval

Param	Type	Default	Description
dir	boolean		(optional) Direction of the frame
time	integer		(optional) Exposure time, 0 = minimum
delay	delay		(optional) Delay after frame before another can be started