void Sensor::Sensing(SensingInfo* info) {
uint32_t currentTime = millis();
if ( (currentTime - lastTime) > 2000 ) {
if (count >= MAX_COUNT) {
StaticJsonBuffer<SENSORDATA_JSON_SIZE>* jsonBuffer = new StaticJsonBuffer<SENSORDATA_JSON_SIZE>;
JsonObject& root = jsonBuffer->createObject();
root[FPSTR(TEMPERATURE_KEY)] = prevTemp = nomalization(temperature);
root[FPSTR(HUMIDITY_KEY)] = prevHumid = nomalization(humidity);
String SensingData = "";
root.printTo(SensingData);
info->deserialize(SensingData);
delete jsonBuffer;
requireUpdate = true;
count = 0;
}
checkHumData(count);
checkTemData(count);
count++;
lastTime = currentTime;
}
}
void Adaboost(TrainData *data,int T){
InitWi(data);
double temptheta=0.0,theta1=0.0;
double error,beta;
int p=0; //p=0 <=> '<' p=0 <=> '>'
double min;
//////////////left is positive & right is nagitive//////////////
for(int i=0;i<T;i++){
//get theta first
p=0;
min=DBL_MAX;//////Be careful
nomalization(data);
for(int j=0;j<Data_Size_G;j++){
InitStatus(data);
temptheta=data[j].property;
for(int k=0;k<Data_Size_G;k++){
if((data[k].property<=temptheta)&&(data[k].label==0))
data[k].status=MISS;
if((data[k].property>temptheta)&&(data[k].label))
data[k].status=MISS;
}
error=getError(data);
if(error<=min&&error<0.5){
theta1=temptheta;
min=error;
}
}
//////////////right is positive & left is nagitive//////////////
temptheta=0.0;
double theta2=0.0;
for(int j=0;j<Data_Size_G;j++){
InitStatus(data);
temptheta=data[j].property;
for(int k=0;k<Data_Size_G;k++){
if((data[k].property>=temptheta)&&(data[k].label==0))
data[k].status=MISS;
if((data[k].property<temptheta)&&(data[k].label))
data[k].status=MISS;
}
error=getError(data);
if(error<=min){
theta2=temptheta;
min=error;
p=1;
}
}
//////////////////////////////////////////////////////////////////////////
InitStatus(data);
double theta=p?theta2:theta1;
if(p)
for(int k=0;k<Data_Size_G;k++){
if((data[k].property>=theta)&&(data[k].label==0))
data[k].status=MISS;
if((data[k].property<theta)&&(data[k].label))
data[k].status=MISS;
}
else
for(int k=0;k<Data_Size_G;k++){
if((data[k].property<=theta)&&(data[k].label==0))
data[k].status=MISS;
if((data[k].property>theta)&&(data[k].label))
data[k].status=MISS;
}
error=getError(data);
beta=getBeta(error);
updataWi(data, beta);
if(p)
printf("|>=| |Threshold:%9lf|error:%9lf |Alpha:%9lf|\n",theta,error,getAlpha(beta));
else
printf("|<=| |Threshold:%9lf|error:%9lf |Alpha:%9lf|\n",theta,error,getAlpha(beta));
}
}