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/*
TM1640.cpp - Library implementation for TM1640.
Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
This program is free software: you can redistribute it and/or modify
it under the terms of the version 3 GNU General Public License as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include "TM1640.h"
#include "string.h"
TM1640::TM1640(byte dataPin, byte clockPin, boolean activateDisplay, byte intensity)
: TM16XX(dataPin, clockPin, dataPin, 16, activateDisplay, intensity)
{
// nothing else to do - calling super is enough
}
void TM1640::sendChar(byte pos, byte data, boolean dot)
{
sendData(pos, data | (dot ? 0b10000000 : 0));
// necessary for the TM1640
digitalWrite(strobePin, LOW);
digitalWrite(clockPin, LOW);
digitalWrite(clockPin, HIGH);
digitalWrite(strobePin, HIGH);
}
void TM1640::clearDisplay()
{
digitalWrite(strobePin, LOW);
send(0xC0);
for (int i = 0; i < 16; i++) {
send(0x00);
}
digitalWrite(strobePin, HIGH);
}