telldus/telldus-core/service/ProtocolX10.cpp

//
// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "service/ProtocolX10.h"
#ifdef _MSC_VER
#else
#include <stdint.h>
#endif
#include <stdio.h>
#include <sstream>
#include <string>

const unsigned char HOUSES[] = {6, 0xE, 2, 0xA, 1, 9, 5, 0xD, 7, 0xF, 3, 0xB, 0, 8, 4, 0xC};

int ProtocolX10::methods() const {
	return TELLSTICK_TURNON | TELLSTICK_TURNOFF;
}

std::string ProtocolX10::getStringForMethod(int method, unsigned char data, Controller *controller) {
	const unsigned char S = 59, L = 169;
	const char B0[] = {S, S, 0};
	const unsigned char B1[] = {S, L, 0};
	const unsigned char START_CODE[] = {'S', 255, 1, 255, 1, 255, 1, 100, 255, 1, 180, 0};
	const unsigned char STOP_CODE[] = {S, 0};

	std::string strReturn = reinterpret_cast<const char*>(START_CODE);
	std::string strComplement = "";

	std::wstring strHouse = getStringParameter(L"house", L"A");
	int intHouse = strHouse[0] - L'A';
	if (intHouse < 0) {
		intHouse = 0;
	} else if (intHouse > 15) {
		intHouse = 15;
	}
	// Translate it
	intHouse = HOUSES[intHouse];
	int intCode = getIntParameter(L"unit", 1, 16)-1;

	for( int i = 0; i < 4; ++i ) {
		if (intHouse & 1) {
			strReturn.append(reinterpret_cast<const char *>(B1));
			strComplement.append(B0);
		} else {
			strReturn.append(B0);
			strComplement.append(reinterpret_cast<const char *>(B1));
		}
		intHouse >>= 1;
	}
	strReturn.append( B0 );
	strComplement.append( reinterpret_cast<const char *>(B1) );

	if (intCode >= 8) {
		strReturn.append(reinterpret_cast<const char *>(B1));
		strComplement.append(B0);
	} else {
		strReturn.append(B0);
		strComplement.append(reinterpret_cast<const char *>(B1));
	}

	strReturn.append( B0 );
	strComplement.append( reinterpret_cast<const char *>(B1) );
	strReturn.append( B0 );
	strComplement.append( reinterpret_cast<const char *>(B1) );

	strReturn.append( strComplement );
	strComplement = "";

	strReturn.append( B0 );
	strComplement.append( reinterpret_cast<const char *>(B1) );

	if (intCode >> 2 & 1) {  // Bit 2 of intCode
		strReturn.append(reinterpret_cast<const char *>(B1));
		strComplement.append(B0);
	} else {
		strReturn.append(B0);
		strComplement.append(reinterpret_cast<const char *>(B1));
	}

	if (method == TELLSTICK_TURNON) {
		strReturn.append(B0);
		strComplement.append(reinterpret_cast<const char *>(B1));
	} else if (method == TELLSTICK_TURNOFF) {
		strReturn.append(reinterpret_cast<const char *>(B1));
		strComplement.append(B0);
	} else {
		return "";
	}

	if (intCode & 1) {  // Bit 0 of intCode
		strReturn.append(reinterpret_cast<const char *>(B1));
		strComplement.append(B0);
	} else {
		strReturn.append(B0);
		strComplement.append(reinterpret_cast<const char *>(B1));
	}

	if (intCode >> 1 & 1) {  // Bit 1 of intCode
		strReturn.append(reinterpret_cast<const char *>(B1));
		strComplement.append(B0);
	} else {
		strReturn.append(B0);
		strComplement.append(reinterpret_cast<const char *>(B1));
	}

	for( int i = 0; i < 3; ++i ) {
		strReturn.append( B0 );
		strComplement.append( reinterpret_cast<const char *>(B1) );
	}

	strReturn.append( strComplement );
	strReturn.append( reinterpret_cast<const char*>(STOP_CODE) );
	strReturn.append("+");
	return strReturn;
}

std::string ProtocolX10::decodeData(const ControllerMessage& dataMsg) {
	uint64_t intData = 0, currentBit = 31;
	bool method = 0;

	intData = dataMsg.getInt64Parameter("data");

	int unit = 0;
	int rawHouse = 0;
	for(int i = 0; i < 4; ++i) {
		rawHouse >>= 1;
		if (checkBit(intData, currentBit--)) {
			rawHouse |= 0x8;
		}
	}

	if (checkBit(intData, currentBit--) != 0) {
		return "";
	}

	if (checkBit(intData, currentBit--)) {
		unit |= (1<<3);
	}

	if (checkBit(intData, currentBit--)) {
		return "";
	}
	if (checkBit(intData, currentBit--)) {
		return "";
	}

	currentBit = 14;

	if (checkBit(intData, currentBit--)) {
		unit |= (1<<2);
	}
	if (checkBit(intData, currentBit--)) {
		method = 1;
	}
	if (checkBit(intData, currentBit--)) {
		unit |= (1<<0);
	}
	if (checkBit(intData, currentBit--)) {
		unit |= (1<<1);
	}

	int intHouse = 0;
	for(int i = 0; i < 16; ++i) {
		if (HOUSES[i] == rawHouse) {
			intHouse = i;
			break;
		}
	}

	std::stringstream retString;
	retString << "class:command;protocol:x10;model:codeswitch;";
	retString << "house:" << static_cast<char>('A' + intHouse);
	retString << ";unit:" << unit+1;
	retString << ";method:";
	if(method == 0) {
		retString << "turnon;";
	} else {
		retString << "turnoff;";
	}

	return retString.str();
}