71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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TM1638.h - Library for TM1638.
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Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
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Based on a sketch by: Martin Hubacek (http://www.martinhubacek.cz)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the version 3 GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TM1638_h
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#define TM1638_h
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#include <WProgram.h>
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#define TM1638_COLOR_RED 1
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#define TM1638_COLOR_GREEN 2
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class TM1638
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{
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public:
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/** Instantiate a tm1638 module specifying the display state, the starting intensity (0-7) data, clock and stobe pins. */
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TM1638(byte dataPin, byte clockPin, byte strobePin, boolean activateDisplay = true, byte intensity = 7);
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/** Set the display (segments and LEDs) active or off and intensity (range from 0-7). */
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void setupDisplay(boolean active, byte intensity);
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/** Set the display to a unsigned hexadecimal number */
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void setDisplayToHexNumber(unsigned long number, byte dots);
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/** Set the display to a unsigned decimal number */
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void setDisplayToDecNumber(unsigned long number, byte dots);
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/** Set the display to a unsigned binary number */
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void setDisplayToBinNumber(byte number, byte dots);
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/** Set a single display at pos (starting at 0) to a digit (left to right) */
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void setDisplayDigit(byte digit, byte pos, boolean dot);
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/** Set the display to the 8 values (left to right) */
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void setDisplay(const byte values[]);
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/** Set the LED at pos to color (TM1638_COLOR_RED, TM1638_COLOR_GREEN or both) */
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void setLED(byte color, byte pos);
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/** Set the LEDs. MSB byte for the green LEDs, LSB for the red LEDs */
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void setLEDs(word led);
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/** Returns the pressed buttons as a bit set (left to right). */
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byte getButtons();
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protected:
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void sendCommand(byte led);
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void sendData(byte add, byte data);
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void send(byte data);
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byte receive();
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private:
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byte dataPin;
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byte clockPin;
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byte strobePin;
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};
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#endif
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