GY-63_MS5611/libraries/FastShiftOut/FastShiftOut.h
2023-11-01 12:28:08 +01:00

58 lines
1.1 KiB
C++

#pragma once
//
// FILE: FastShiftOut.h
// AUTHOR: Rob Tillaart
// VERSION: 0.3.2
// PURPOSE: shiftOut class that implements the Print interface
// DATE: 2013-08-22
// URL: https://github.com/RobTillaart/FastShiftOut
#include "Arduino.h"
#include "Print.h"
#define FASTSHIFTOUT_LIB_VERSION (F("0.3.2"))
class FastShiftOut : public Print
{
public:
// bitOrder = { LSBFIRST, MSBFIRST };
FastShiftOut(uint8_t dataOut, uint8_t clockPin, uint8_t bitOrder = LSBFIRST);
size_t write(uint8_t data);
// experimental
// size_t write(const uint8_t \*buffer, size_t size);
uint8_t lastWritten(void);
bool setBitOrder(uint8_t bitOrder);
uint8_t getBitOrder(void);
// overrule bitOrder (most optimized).
size_t writeLSBFIRST(uint8_t data);
size_t writeMSBFIRST(uint8_t data);
private:
uint8_t _bitOrder;
int _lastValue;
#if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_MEGAAVR)
volatile uint8_t *_dataOutRegister;
uint8_t _dataOutBit;
volatile uint8_t *_clockRegister;
uint8_t _clockBit;
#else
uint8_t _dataPinOut;
uint8_t _clockPin;
#endif
};
// -- END OF FILE --