Libraries for MCP23S17 & MCP23017 with 2 x Expanders (or more)

[AlbertoFS]

They are libraries whose structure is prepared to increase the number of expanders MCP23S17 or MCP23017 to more than 2 units.
The experienced user will be able to expand the registers variables and add more code.

The configuration of the registers has been simplified to 3 parameters only.
There are many controls that will make your applications easier.
It has been specially studied for its use for interrupts.
You have to overcome the MCP_Init() command only.