main.cpp

#include <cstdio>
#include <iostream>
#include <chrono>
#include <thread>
#include <string>
using namespace std;

#include <libcec/cec.h>
#include <libcec/cecloader.h>
#include <libcec/cectypes.h>
using namespace CEC;

ICECAdapter * parser = 0;

libcec_configuration config;
ICECCallbacks callbacks;

bool debug = false;
bool stop = false;

void Close()
{
        if (debug)
		cout << "Closing CEC adapter..." << endl;
	parser->Close();

	if (debug)
		cout << "Destroying CEC library..." << endl;
	CECDestroy(parser);

	if (debug)
		cout << "Done." << endl;
}

int CecLogMessage(void *, const cec_log_message message)
{
	if (debug)
		cout << "MESSAGE: " << message.message << endl;

	if (string(message.message).compare(">> AA:BB:CC:DD") == 0)
		stop = true;

	return 0;
}

int CecKeyPress(void *, const cec_keypress key)
{
	if (debug)
		cout << "KEY: " << key.keycode << endl;

	if (key.keycode == 0)
		stop = true;

	return 0;
}

int CecCommand(void *, const cec_command command)
{
	if (debug)
		cout << "COMMAND: " << command.opcode << endl;

	return 0;
}

int CecAlert(void *, const libcec_alert type, const libcec_parameter)
{
	switch (type)
	{
	case CEC_ALERT_CONNECTION_LOST:
		cout << "ERROR: Connection lost!" << endl;
		break;
	default:
		break;
	}
	return 0;
}

unsigned int Start()
{
	if (debug)
		cout << "Starting..." << endl;

	if (debug)
		cout << "Configuring..." << endl;
	config.Clear();
	callbacks.Clear();
	snprintf(config.strDeviceName, 13, "CECTester");
	config.clientVersion = CEC_CLIENT_VERSION_CURRENT;
	config.bActivateSource = 0;
	callbacks.CBCecLogMessage = &CecLogMessage;
	callbacks.CBCecKeyPress = &CecKeyPress;
	callbacks.CBCecCommand = &CecCommand;
	callbacks.CBCecAlert = &CecAlert;
	config.callbacks = &callbacks;
	config.deviceTypes.Add(CEC_DEVICE_TYPE_RECORDING_DEVICE);

	if (debug)
		cout << "Initializing CEC library..." << endl;

	parser = (CEC::ICECAdapter *) CECInitialise(&config);

	if (!parser)
	{
		cout << "ERROR: Can't initialize CEC parser." << endl;
		return 1;
	}

	if (debug)
		cout << "Initializing video..." << endl;
	parser->InitVideoStandalone();

	if (debug)
		cout << "Finding adapters..." << endl;
	cec_adapter devices[10];
	uint8_t iDevicesFound = parser->FindAdapters(devices, 10, NULL);
	if (iDevicesFound <= 0)
	{
		cout << "ERROR: No devices detected." << endl;
		UnloadLibCec(parser);
		return 1;
	}

	if (debug)
		cout << "Found adapter: " << devices[0].comm << endl;

	if (debug)
		cout << "Opening adapter..." << endl;
	if (!parser->Open(devices[0].comm))
	{
		cout << "ERROR: Unable to open device on port " << devices[0].comm << "." << endl;
		UnloadLibCec(parser);
		return 1;
	}

	if (parser->PingAdapter())
	{
		if (debug)
			cout << "Listening..." << endl;
	}
	else
		cout << "WARNING: Pinging the adapter failed." << endl;

	return 0;
}

void Activate()
{
	if (debug)
		cout << "Activating source..." << endl;
	parser->SetActiveSource();
	this_thread::sleep_for(chrono::milliseconds(1000));
	parser->SetActiveSource();
	this_thread::sleep_for(chrono::milliseconds(2000));

	if (parser->IsLibCECActiveSource())
	{
		if (debug)
			cout << "Activated." << endl;
	}
	else
		cout << "ERROR: Could not activate!" << endl;
}

int main()
{
	if (!Start())
	{
		while (!stop)
			this_thread::sleep_for(chrono::milliseconds(1000));

		Close();
		
		return 0;	
	}

	return 1;
}

Makefile

CC=g++
CPPFLAGS=-std=c++11 -ggdb -Wall -Wextra
LDFLAGS=-ldl -lcec

main: main.o