Program Listing for File mcp23017.hh

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#ifndef IPLO_MCP23017_HH
#define IPLO_MCP23017_HH

#include <cstdint>

#include "i2c_bus/i2c.hh"
#include "iplo/iplo.hh"
#include "mcp230xx/mcp230xx.hh"

namespace iplo {

class MCP23017 : public MCP230XX {
    enum MCP23017Port : std::uint8_t {
        DDRA = 0,
        DDRB = 1,
    };

    enum MCP23017Registers : std::uint8_t {
        DDR_A = 0x00,
        DDR_B = 0x01,
        POL_A = 0x02,
        POL_B = 0x03,
        GPINTEN_A = 0x04,
        GPINTEN_B = 0x05,
        DEFVAL_A = 0x06,
        DEFVAL_B = 0x07,
        INTCON_A = 0x08,
        INTCON_B = 0x09,
        IOCR = 0x0A,
        IOCR2 = 0x0B,
        PUR_A = 0x0C,
        PUR_B = 0x0D,
        INTF_A = 0x0E,
        INTF_B = 0x0F,
        INTCAP_A = 0x10,
        INTCAP_B = 0x11,
        GPIO_A = 0x12,
        GPIO_B = 0x13,
        OLAT_A = 0x14,
        OLAT_B = 0x15,
    };

public:
    static const std::uint8_t PINS = 16;
    MCP23017(I2C& bus, std::uint8_t address);

    bool begin() override;

    bool isConnected() override;

    bool pinMode(std::uint8_t pin, PinMode mode) override;

    bool digitalWrite(std::uint8_t pin, std::uint8_t value) override;

    std::uint8_t digitalRead(std::uint8_t pin) override;

    bool setPolarity(std::uint8_t pin, bool reversed) override;

    bool getPolarity(std::uint8_t pin, bool& reversed) override;

    bool setPullUp(std::uint8_t pin, bool pullUp) override;

    bool getPullUp(std::uint8_t pin, bool& pullUp) override;

    bool pinMode8(MCP23017Port port, std::uint8_t value);

    bool digitalWrite8(MCP23017Port port, std::uint8_t value);

    std::uint8_t digitalRead8(MCP23017Port port);

    bool setPolarity8(MCP23017Port port, std::uint8_t mask);

    bool getPolarity8(MCP23017Port port, std::uint8_t& mask);

    bool setPullUp8(MCP23017Port port, std::uint8_t mask);

    bool getPullUp8(MCP23017Port port, std::uint8_t& mask);


    bool pinMode16(std::uint16_t value);

    bool digitalWrite16(std::uint16_t value);

    std::uint16_t digitalRead16();

    bool setPolarity16(std::uint16_t mask);

    bool getPolarity16(std::uint16_t& mask);

    bool setPullUp16(std::uint16_t mask);

    bool getPullUp16(std::uint16_t& mask);

    std::uint16_t readAll() override;

    static std::uint8_t extractPinValue(std::uint16_t registerValue, std::uint8_t pin);
};

} /* namespace iplo */

#endif /* IPLO_MCP23017_HH */