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55 lines
1.4 KiB
55 lines
1.4 KiB
3 years ago
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/*
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TM1640.cpp - Library implementation for TM1640.
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Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
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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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#if defined(ARDUINO) && ARDUINO >= 100
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#include "Arduino.h"
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#else
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#include "WProgram.h"
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#endif
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#include "TM1640.h"
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#include "string.h"
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TM1640::TM1640(byte dataPin, byte clockPin, boolean activateDisplay, byte intensity)
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: TM16XX(dataPin, clockPin, dataPin, 16, activateDisplay, intensity)
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{
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// nothing else to do - calling super is enough
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}
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void TM1640::sendChar(byte pos, byte data, boolean dot)
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{
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sendData(pos, data | (dot ? 0b10000000 : 0));
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// necessary for the TM1640
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digitalWrite(strobePin, LOW);
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digitalWrite(clockPin, LOW);
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digitalWrite(clockPin, HIGH);
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digitalWrite(strobePin, HIGH);
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}
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void TM1640::clearDisplay()
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{
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digitalWrite(strobePin, LOW);
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send(0xC0);
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for (int i = 0; i < 16; i++) {
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send(0x00);
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}
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digitalWrite(strobePin, HIGH);
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}
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