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- #ifndef PORTINTERFACE_H
- #define PORTINTERFACE_H
- #include <Arduino.h>
- #include <inttypes.h>
- #include <PortWriteInterface.h>
-
- /*
- Port classes are the keybrd library's interface to microcontroller ports or I/O expander ports.
-
- Port classes that can read and write, inherit from PortInterface.
- Port classes that can only write, inherit from PortWriteInterface.
-
- write() interface emulates Arduino's digitalWrite().
- */
- class PortInterface : public PortWriteInterface
- {
- public:
- virtual void beginProtocol()=0; //SPI bus or I2C bus
- virtual void begin(const uint8_t strobeOn)=0; //configure GPIO pins
- virtual void write(const uint8_t pin, const bool pinLogicLevel)=0;
- virtual uint8_t read()=0;
- };
- #endif
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