B4R Library rMCP27017 a wrapper for MCP23017

rMCP23017 is a wrapper for MCP23017 based on library from :https://github.com/wollewald/MCP23017_WE/tree/master

this library can manage MCP23017 by I2C and MCP23S17 by SPI

ports A and B in MCP23017 can be managed by pin, by port or globally.
interrupts inside MCP23017 are also managed and a check of pins connected to ITA/ITB will highlight in case of interrupt on a pin of globally on a port.


  • rMCP23017.zip
    57.5 KB · Views: 75