Rob Tillaart
GitHub
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LICENSE
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LICENSE
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MIT License
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Copyright (c) 2013-2021 Rob Tillaart
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Copyright (c) 2013-2022 Rob Tillaart
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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//
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// FILE: ParallelPrinter.cpp
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.3
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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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@ -13,6 +13,7 @@
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// 0.2.2 2021-01-14 update readme, add linefeed(), add keywords.txt
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// 0.2.3 2021-11-11 update Arduino-CI, readme,md
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// add isBusy();
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// 0.2.4 2021-12-23 update library.json, license, minor edits
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#include "ParallelPrinter.h"
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@ -34,7 +35,7 @@ ParallelPrinter::ParallelPrinter(uint8_t STROBE, uint8_t BUSY, uint8_t OOP, uint
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pinMode(_oopPin, INPUT);
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pinMode(_busyPin, INPUT);
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pinMode(_strobePin, OUTPUT);
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// DATA LINES
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for (uint8_t i = 0; i < 8; i++)
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{
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@ -143,7 +144,7 @@ void ParallelPrinter::sendByte(uint8_t c)
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// BLOCK WHEN OUT OF PAPER TODO
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// while (digitalRead(_oopPin) == LOW) yield();
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// indication in hardware?
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Serial.write(c); // debugging
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return;
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@ -168,3 +169,4 @@ void ParallelPrinter::sendByte(uint8_t c)
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// -- END OF FILE --
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//
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// FILE: ParallelPrinter.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.3
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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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@ -11,10 +11,10 @@
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#include "Arduino.h"
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#define PARALLELPRINTER_VERSION (F("0.2.3"))
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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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#define FORMFEED 12
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#define LINEFEED 10
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class ParallelPrinter: public Print
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@ -36,7 +36,7 @@ public:
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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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@ -54,6 +54,7 @@ public:
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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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@ -72,10 +73,11 @@ private:
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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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13
README.md
13
README.md
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@ -86,13 +86,18 @@ https://en.wikipedia.org/wiki/Parallel_port#Centronics
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- update documentation
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- extend unit tests?
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- test more
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- extend simulator sketch
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- test more.
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- extend simulator sketch.
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- Make a front end of a parallel printer,
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- Accepts the clocked bytes and print them e.g. over serial.
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- derive e.g. an HP or an EPSON printer from this class.
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- special modes e.g. bold italic underline
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- special modes e.g. bold italic underline.
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- **write(uint8_t \* buf, uint8_t length)** should be added
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- might not really add to performance..
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- fix blocking TODO in sendByte
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## Operation
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See examples
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See examples.
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//
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// FILE: ParPrinter_test.ino
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// PURPOSE: demo
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// DATE: 2020-05-26
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// (c) : MIT
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//
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#include "ParallelPrinter.h"
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@ -59,7 +57,7 @@ void test3()
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for (int i = 0; i < 100; i++) PP.print("Hello World ");
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PP.printLineNumber(false);
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for (int i = 0; i < 100; i++) PP.print("Hello World ");
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PP.setTabSize(4);
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PP.printLineNumber(true);
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for (int i = 0; i < 100; i++) PP.print("Hello World ");
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@ -83,3 +81,4 @@ void test3()
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// -- END OF FILE --
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//
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// FILE: PrinterSimulator.ino
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// PURPOSE: demo
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// DATE: 2020-06-24
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// (c) : MIT
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//
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// Simple parallel printer simulator, prints to serial...
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// version could be made with a shiftin register ....
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//
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// FILE: Serial2ParPrinter.ino
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.1
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// PURPOSE: demo
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// DATE: 2020-05-26
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// (c) : MIT
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//
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#include "ParallelPrinter.h"
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@ -32,3 +30,4 @@ void loop()
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// -- END OF FILE --
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"type": "git",
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"url": "https://github.com/RobTillaart/ParallelPrinter.git"
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},
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"version": "0.2.3",
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"version": "0.2.4",
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"license": "MIT",
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"frameworks": "arduino",
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"platforms": "*",
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name=ParallelPrinter
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version=0.2.3
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version=0.2.4
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author=Rob Tillaart <rob.tillaart@gmail.com>
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maintainer=Rob Tillaart <rob.tillaart@gmail.com>
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sentence=Experimental (not complete) library to connect a parallel printer to Arduino.
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unittest_setup()
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{
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fprintf(stderr, "PARALLELPRINTER_VERSION: %s\n", (char *) PARALLELPRINTER_VERSION);
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}
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unittest_teardown()
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{
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}
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/*
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unittest(test_new_operator)
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{
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assertEqualINF(exp(800));
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assertEqualINF(0.0/0.0);
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assertEqualINF(42);
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assertEqualNAN(INFINITY - INFINITY);
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assertEqualNAN(0.0/0.0);
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assertEqualNAN(42);
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}
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*/
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// minimal
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// minimal
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unittest(test_constructor_basic)
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{
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fprintf(stderr, "VERSION: %s\n", PARALLELPRINTER_VERSION);
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ParallelPrinter PP;
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PP.begin();
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assertEqual(80, PP.getLineLength());
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assertEqual(60, PP.getPageLength());
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// fprintf(stderr, "%d\n", PP.getLineNumber());
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// fprintf(stderr, "%d\n", PP.getPageNumber());
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// fprintf(stderr, "%d\n", PP.getPosition());
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assertEqual(3, PP.getLineNumber()); // 0 based
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assertEqual(4, PP.getPageNumber()); // 0 based
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assertEqual(11, PP.getPosition()); // 0 based
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fprintf(stderr, "0\t");
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PP.setLineFeed(0);
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assertEqual(1, PP.getLineFeed()); // minimum LF size
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for (int LF = 1; LF < 4; LF +=2 )
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{
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fprintf(stderr, "%d\t", LF);
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// TODO
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// state->digitalPin[12] = 0;
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// assertFalse(PP.isOutOfPaper());
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//
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//
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// state->digitalPin[12] = 1;
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// assertTrue(PP.isOutOfPaper());
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}
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unittest_main()
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// --------
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