27 lines
955 B
C
27 lines
955 B
C
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#ifndef ROWSCANNER_PINSBITWISE_H
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#define ROWSCANNER_PINSBITWISE_H
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#include <Arduino.h>
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#include <inttypes.h>
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#include <RowScannerInterface.h>
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#include <RowPort.h>
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#include <ColPort.h>
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/* RowScanner_PinsBitwise uses bit manipulation to read all pins of one port.
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*/
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class RowScanner_PinsBitwise : public RowScannerInterface
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{
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private:
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static const bool activeHigh; //logic level of strobe pin: 0=activeLow, 1=activeHigh
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RowPort& refRowPort; //this row's IC port
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const uint8_t strobePin; //bitwise, 1 indicates IC pin connected to this row
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ColPort& refColPort;
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public:
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RowScanner_PinsBitwise(RowPort &refRowPort, const uint8_t strobePin,
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ColPort& refColPort)
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: refRowPort(refRowPort), strobePin(strobePin),
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refColPort(refColPort) {}
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virtual uint8_t scan(uint16_t& rowEnd);
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uint8_t getRowState(uint16_t& rowEnd);
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};
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#endif
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