.. _program_listing_file_include_mcp230xx_mcp230xx.hh:

Program Listing for File mcp230xx.hh
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_mcp230xx_mcp230xx.hh>` (``include/mcp230xx/mcp230xx.hh``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef IPLO_MCP230XX_HH
   #define IPLO_MCP230XX_HH
   
   #include <cstdint>
   
   #include "i2c_bus/i2c.hh"
   #include "iplo/iplo.hh"
   
   namespace iplo {
   
   class MCP230XX {
   protected:
       std::uint8_t _address{}; 
       std::uint8_t _error{};   
       I2C& _bus;               
       bool writeRegister(std::uint8_t reg, uint8_t value);
   
       std::uint8_t readRegister(uint8_t reg);
   
   public:
       MCP230XX(I2C& bus, std::uint8_t address) : _bus(bus), _address(address), _error(OK){};
   
       virtual bool begin() = 0;
   
       virtual bool isConnected() = 0;
   
       virtual bool pinMode(std::uint8_t pin, PinMode mode) = 0;
   
       virtual bool digitalWrite(std::uint8_t pin, std::uint8_t value) = 0;
   
       virtual std::uint8_t digitalRead(std::uint8_t pin) = 0;
   
       virtual bool setPolarity(std::uint8_t pin, bool reversed) = 0;
   
       virtual bool getPolarity(std::uint8_t pin, bool& reversed) = 0;
   
       virtual bool setPullUp(std::uint8_t pin, bool pullUp) = 0;
   
       virtual bool getPullUp(std::uint8_t pin, bool& pullUp) = 0;
   
       virtual std::uint16_t readAll() = 0;
   
       int lastError();
   };
   
   } /* namespace iplo */
   
   #endif /* IPLO_MCP230XX_HH */