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- #ifndef PORTREAD_H
- #define PORTREAD_H
- #include <Arduino.h>
- #include <inttypes.h>
-
- /*
- PortRead is an abstract base class.
- Port classes are the keybrd library's interface to microcontroller ports or I/O expander ports.
-
- If your 8-bit AVR (Teensy 2) is running low on memory, using a smaller read_pins_t type saves SRAM.
- Details are in config_key.h
- */
- class PortRead
- {
- protected:
- const uint8_t readPins; //bitwise pin configuration, 1 means read pin
- public:
- PortRead(const uint8_t readPins): readPins(readPins) {}
- virtual uint8_t read()=0;
- };
- #endif
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