#pragma once // // FILE: ParallelPrinter.h // AUTHOR: Rob Tillaart // VERSION: 0.2.5 // PURPOSE: parallel printer class that implements the Print interface // DATE: 2013-09-30 // URL: https://github.com/RobTillaart/ParallelPrinter #include "Arduino.h" #define PARALLELPRINTER_VERSION (F("0.2.5")) #define FORMFEED 12 #define LINEFEED 10 class ParallelPrinter: public Print { public: // uint8_t dataPins[] = {3, 4, 5, 6, 7, 8, 9, 10}; // ParallelPrinter(13, 2, 12, dataPins ); // assume fixed pins for now, need 11 pins in total! ParallelPrinter(); ParallelPrinter(uint8_t STROBE, uint8_t BUSY, uint8_t OOP, uint8_t * dataPins ); void begin(uint8_t lineLength = 80, uint8_t pageLength = 60); void reset(); size_t write(uint8_t c); void setLineLength(uint8_t lineLength = 80) { _lineLength = lineLength; }; uint8_t getLineLength() { return _lineLength; }; void setPageLength(uint8_t pageLength = 60) { _pageLength = pageLength; }; uint8_t getPageLength() { return _pageLength; }; uint8_t getLineNumber() { return _lineNr; }; uint8_t getPageNumber() { return _pageNr; }; uint8_t getPosition() { return _pos; }; // n = 2,4,6,8 void setTabSize(uint8_t n) { _tabSize = n; }; uint8_t getTabSize() { return _tabSize; }; // n = 1,2,3 void setLineFeed(uint8_t n) { _lineFeed = constrain(n, 1, 3); }; uint8_t getLineFeed() { return _lineFeed; }; void printLineNumber(bool b) { _printLineNumber = b; }; void formfeed() { write(FORMFEED); }; void linefeed() { write(LINEFEED); }; bool isOutOfPaper() { return digitalRead(_busyPin) == LOW; }; bool isBusy() { return digitalRead(_oopPin) == HIGH; }; // n = typical 2000; use with care void setStrobeDelay(uint16_t n = 2000) { _strobeDelay = n; }; uint16_t getStrobeDelay() { return _strobeDelay; }; private: // COMMUNICATION uint8_t _strobePin; // inform printer new data on the line. uint8_t _busyPin; // feedback from printer uint8_t _oopPin; // Out of paper. uint8_t _pin[8]; // data pins void processSingleChar(uint8_t c); void sendByte(uint8_t c); // BEHAVIOR uint8_t _pos; uint8_t _lineLength; uint8_t _lineNr; uint8_t _pageLength; uint8_t _pageNr; uint8_t _tabSize; uint8_t _lineFeed; bool _printLineNumber; uint16_t _strobeDelay; }; // -- END OF FILE --