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81 lines
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C++

/*
Copyright 2012 Kasper Skårhøj, SKAARHOJ, kasperskaarhoj@gmail.com
This file is part of the ATEM library for Arduino
The ATEM library 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.
The ATEM library 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 the ATEM library. If not, see http://www.gnu.org/licenses/.
*/
/**
Version 1 beta
**/
#ifndef ATEM_h
#define ATEM_h
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#include <EthernetUdp.h>
class ATEM
{
private:
EthernetUDP _Udp; // Udp Object for communication, see constructor.
uint16_t _localPort; // local port to send from
IPAddress _switcherIP; // IP address of the switcher
boolean _serialOutput;
uint8_t _sessionID; // Used internally for storing packet size during communication
char _packetBuffer[96]; // Buffer for storing segments of the packets from ATEM. Has the size of the largest known "segment" of a packet the ATEM sends.
uint16_t _localPacketIdCounter; // This is our counter for the command packages we might like to send to ATEM.
boolean _hasInitialized; // If true, the initial reception of the ATEM memory has passed and we can begin to respond during the runLoop()
uint8_t _answer[24]; // Little buffer for creating answers back to the ATEM
// Selected ATEM Status values:
uint8_t _ATEM_PrgI; // Program input channel
uint8_t _ATEM_PrvI; // Preview input channel
public:
ATEM(IPAddress ip, uint16_t localPort);
void connect();
void runLoop();
void serialOutput(boolean serialOutput);
private:
void _sendAnswerPacket(uint16_t remotePacketID);
void _parsePacket(uint16_t packetLength);
void _sendCommandPacket(char cmd[4], uint8_t commandBytes[16], uint8_t cmdBytes);
public:
void setATEM_PrgI(uint8_t inputNumber);
uint8_t getATEM_PrgI();
void setATEM_PrvI(uint8_t inputNumber);
uint8_t getATEM_PrvI();
void send_cut();
};
#endif