The following functions are used to work with iButtons.
•owiButtonEnableLED
Enables or disables the use of the iButton reader LED.
•owiButtonGetID
Queries iButton for its ID.
•owiButtonReadData
Reads data from a memory iButton.
•owiButtonSetLed
Controls the iButton LED.
•owiButtonWriteData
Writes data to a memory iButton.
