telldus/telldus-core/service/ProtocolEverflourish.cpp

133 lines
2.8 KiB
C++

//
// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "service/ProtocolEverflourish.h"
#include <stdio.h>
#include <sstream>
#include <string>
#include "service/ControllerMessage.h"
int ProtocolEverflourish::methods() const {
return TELLSTICK_TURNON | TELLSTICK_TURNOFF | TELLSTICK_LEARN;
}
std::string ProtocolEverflourish::getStringForMethod(int method, unsigned char, Controller *) {
unsigned int deviceCode = this->getIntParameter(L"house", 0, 16383);
unsigned int intCode = this->getIntParameter(L"unit", 1, 4)-1;
unsigned char action;
if (method == TELLSTICK_TURNON) {
action = 15;
} else if (method == TELLSTICK_TURNOFF) {
action = 0;
} else if (method == TELLSTICK_LEARN) {
action = 10;
} else {
return "";
}
const char ssss = 85;
const char sssl = 84; // 0
const char slss = 69; // 1
const char bits[2] = {sssl, slss};
int i, check;
std::string strCode;
deviceCode = (deviceCode << 2) | intCode;
check = calculateChecksum(deviceCode);
char preamble[] = {'R', 5, 'T', 114, 60, 1, 1, 105, ssss, ssss, 0};
strCode.append(preamble);
for(i = 15; i >= 0; i--) {
strCode.append(1, bits[(deviceCode >> i)&0x01]);
}
for(i = 3; i >= 0; i--) {
strCode.append(1, bits[(check >> i)&0x01]);
}
for(i = 3; i >= 0; i--) {
strCode.append(1, bits[(action >> i)&0x01]);
}
strCode.append(1, ssss);
strCode.append(1, '+');
return strCode;
}
// The calculation used in this function is provided by Frank Stevenson
unsigned int ProtocolEverflourish::calculateChecksum(unsigned int x) {
unsigned int bits[16] = {
0xf, 0xa, 0x7, 0xe,
0xf, 0xd, 0x9, 0x1,
0x1, 0x2, 0x4, 0x8,
0x3, 0x6, 0xc, 0xb
};
unsigned int bit = 1;
unsigned int res = 0x5;
int i;
unsigned int lo, hi;
if ((x & 0x3) == 3) {
lo = x & 0x00ff;
hi = x & 0xff00;
lo += 4;
if (lo>0x100) {
lo = 0x12;
}
x = lo | hi;
}
for(i = 0; i < 16; i++) {
if (x & bit) {
res = res ^ bits[i];
}
bit = bit << 1;
}
return res;
}
std::string ProtocolEverflourish::decodeData(const ControllerMessage &dataMsg) {
uint64_t allData;
unsigned int house = 0;
unsigned int unit = 0;
unsigned int method = 0;
allData = dataMsg.getInt64Parameter("data");
house = allData & 0xFFFC00;
house >>= 10;
unit = allData & 0x300;
unit >>= 8;
unit++; // unit from 1 to 4
method = allData & 0xF;
if(house > 16383 || unit < 1 || unit > 4) {
// not everflourish
return "";
}
std::stringstream retString;
retString << "class:command;protocol:everflourish;model:selflearning;house:" << house << ";unit:" << unit << ";method:";
if(method == 0) {
retString << "turnoff;";
} else if(method == 15) {
retString << "turnon;";
} else if(method == 10) {
retString << "learn;";
} else {
// not everflourish
return "";
}
return retString.str();
}