84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#pragma once
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//
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// FILE: ParallelPrinter.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.4
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// PURPOSE: parallel printer class that implements the Print interface
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// DATE: 2013-09-30
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// URL: https://github.com/RobTillaart/ParallelPrinter
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#include "Arduino.h"
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#define PARALLELPRINTER_VERSION (F("0.2.4"))
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#define FORMFEED 12
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#define LINEFEED 10
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class ParallelPrinter: public Print
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{
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public:
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ParallelPrinter(); // assume fixed pins for now, need 11 pins in total!
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ParallelPrinter(uint8_t STROBE, uint8_t BUSY, uint8_t OOP, uint8_t * dataPins );
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void begin(uint8_t lineLength = 80, uint8_t pageLength = 60);
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void reset();
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size_t write(uint8_t c);
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void setLineLength(uint8_t lineLength = 80) { _lineLength = lineLength; };
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uint8_t getLineLength() { return _lineLength; };
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void setPageLength(uint8_t pageLength = 60) { _pageLength = pageLength; };
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uint8_t getPageLength() { return _pageLength; };
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uint8_t getLineNumber() { return _lineNr; };
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uint8_t getPageNumber() { return _pageNr; };
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uint8_t getPosition() { return _pos; };
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// n = 2,4,6,8
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void setTabSize(uint8_t n) { _tabSize = n; };
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uint8_t getTabSize() { return _tabSize; };
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// n = 1,2,3
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void setLineFeed(uint8_t n) { _lineFeed = constrain(n, 1, 3); };
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uint8_t getLineFeed() { return _lineFeed; };
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void printLineNumber(bool b) { _printLineNumber = b; };
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void formfeed() { write(FORMFEED); };
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void linefeed() { write(LINEFEED); };
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bool isOutOfPaper() { return digitalRead(_busyPin) == LOW; };
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bool isBusy() { return digitalRead(_oopPin) == HIGH; };
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// n = typical 2000; use with care
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void setStrobeDelay(uint16_t n = 2000) { _strobeDelay = n; };
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uint16_t getStrobeDelay() { return _strobeDelay; };
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private:
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// COMMUNICATION
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uint8_t _strobePin; // inform printer new data on the line.
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uint8_t _busyPin; // feedback from printer
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uint8_t _oopPin; // Out of paper.
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uint8_t _pin[8]; // data pins
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void processSingleChar(uint8_t c);
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void sendByte(uint8_t c);
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// BEHAVIOR
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uint8_t _pos;
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uint8_t _lineLength;
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uint8_t _lineNr;
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uint8_t _pageLength;
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uint8_t _pageNr;
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uint8_t _tabSize;
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uint8_t _lineFeed;
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bool _printLineNumber;
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uint16_t _strobeDelay;
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};
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// -- END OF FILE --
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