mirror of
https://github.com/RobTillaart/Arduino.git
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83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#pragma once
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//
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// FILE: PAR27979.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.2
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// PURPOSE: Arduino library for Parallax 27979 _serial LCD display
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// URL: https://github.com/RobTillaart/PAR27979
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//
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// HISTORY:
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// 0.1.0 2010-03-06 initial version Macro's only
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// 0.2.0 2020-06-23 complete redo as class
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// also support for 27976, 27977 (not tested)
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// 0.2.1 2021-01-03 Arduino-CI + unit test
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// 0.2.2 2021-11-10 Update Arduino-CI,
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// update readme.md + badges,
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// fix version number
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// update Print interface
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#define PAR27929_LIB_VERSION (F("0.2.2"))
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#include "Arduino.h"
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class PAR27979 : public Print
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{
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public:
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PAR27979(Stream * str) { _ser = str; };
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void on() { _ser->write(22); };
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void off() { _ser->write(21); };
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void clearHome() { _ser->write(12); delay(5); };
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void backlightOn() { _ser->write(17); };
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void backlightOff() { _ser->write(18); };
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// MOVEMENT
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void left() { _ser->write(8); };
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void right() { _ser->write(9); };
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void down() { _ser->write(10); };
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void gotoXY(uint8_t x, uint8_t y) { _ser->write(128 + y*20 + x); };
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// CUSTOM CHARS
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// array will need to be 8 bytes. - see datasheet.
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void defineCustomChar(uint8_t idx, uint8_t * arr)
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{
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_ser->write(248 + idx);
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for (int i = 0; i < 8; i++) _ser->write(arr[i]);
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}
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void customChar(uint8_t idx) { _ser->write(idx); };
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// PLAY MUSIC
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// octave = 3, 4, 5, 6, 7
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void octave(uint8_t octave) { _ser->write(212 + octave); };
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// duration is in 1/64 = 1, 2, 4, 8, 16, 32, 64
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void duration(uint8_t duration)
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{
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uint8_t ch = 207;
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while(duration) { duration /= 2; ch++; };
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_ser->write(ch);
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}
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// A = 0, A# = 1 etc, see datasheet
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void play(uint8_t note) { _ser->write(220 + note); };
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void noSound() { _ser->write(232); };
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// PRINT interface
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size_t write(const uint8_t data) { return _ser->write(data); };
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size_t write(const uint8_t * data, uint8_t length)
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{
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return _ser->write(data, length);
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};
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private:
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Stream *_ser;
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};
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// -- END OF FILE --
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