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branch: master
Casey Callendrello
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/*
Apple Remote Sender:
Copyright Casey Callendrello 2008
c1 at caseyc dot net
For more information, see http://www.caseyc.net/home/node/10
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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/>.
*/
#include "WProgram.h"
#include "AppleRemoteSender.h"
AppleRemoteSender::AppleRemoteSender(int pin)
{
_irpin = pin;
_remote_id = 0x01;
//ready the pin
pinMode(_irpin, OUTPUT);
digitalWrite(_irpin, LOW);
}
AppleRemoteSender::AppleRemoteSender(int pin, byte remote_id)
{
_irpin = pin;
_remote_id = remote_id;
//ready the pin
pinMode(_irpin, OUTPUT);
digitalWrite(_irpin, LOW);
}
void AppleRemoteSender::set_remote_id(byte remote_id)
{
_remote_id = remote_id;
}
void AppleRemoteSender::send(byte remote_id, byte key)
{
//prepare data
long temp = remote_id;
temp = temp << 8;
temp += key;
temp = temp << 16;
temp += APPLE_ID;
//send preamble
oscWrite(9000);
delayMicroseconds(3040);
byte bit = 0;
//send data
for(int i = 0; i < 32; i++)
{
bit = temp % 2;
temp = temp >> 1;
//space
oscWrite(560);
//data
if(bit == 0)
{
delayMicroseconds(565);
}
else
{
delayMicroseconds(1690);
}
}
//end of data header
oscWrite(560);
}
void AppleRemoteSender::send(byte key)
{
send(_remote_id, key);
}
void AppleRemoteSender::menu(byte remote_id) { send(remote_id, MENU);}
void AppleRemoteSender::menu(){ send(MENU); }
void AppleRemoteSender::play(byte remote_id){ send(remote_id, PLAY); }
void AppleRemoteSender::play(){ send(PLAY); }
void AppleRemoteSender::right(byte remote_id){ send(remote_id, RIGHT); }
void AppleRemoteSender::right(){ send(RIGHT); }
void AppleRemoteSender::left(byte remote_id){ send(remote_id, LEFT); }
void AppleRemoteSender::left(){ send(LEFT); }
void AppleRemoteSender::up(byte remote_id){ send(remote_id, UP); }
void AppleRemoteSender::up(){ send(UP); }
void AppleRemoteSender::down(byte remote_id){ send(remote_id, DOWN); }
void AppleRemoteSender::down(){ send(DOWN); }
void AppleRemoteSender::oscWrite(int time)
{
/*
Sends a 38khz carrier pulse
*/
for(int i = 0; i < (time / 26) - 1; i++)
{
digitalWrite(_irpin, HIGH);
delayMicroseconds(13);
digitalWrite(_irpin, LOW);
delayMicroseconds(13);
}
}
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