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- #ifndef COLPORT_H
- #define COLPORT_H
- #include <Arduino.h>
- #include <inttypes.h>
-
- /*
- ColPort is an abstract base class.
- Port classes are the keybrd library's interface to microcontoller ports or I/O expander ports.
- */
- class ColPort
- {
- protected:
- const uint8_t colPins; //bitwise pin configuration, 1 means read column
- uint8_t portState; //bitwise pin values, which is set in read()
- public:
- ColPort(const uint8_t colPins): colPins(colPins), portState(0) {}
-
- //read port and store it's pins values in portState
- virtual void read()=0;
- uint8_t getColPins();
- uint8_t getPortState();
- };
- #endif
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