changed int checkData to bool checkDataAvailable

src/DidacticNet.cpp

@@ -35,7 +35,7 @@ void DidacticPSNet::setStream(Stream& stream){
 
 bool DidacticPSNet::handleNetwork(){
   //if(_waitingTime <= millis()){
-  	if(checkData()){
+  	if(checkDataAvailable()){
   		if(recieveData()){
         //Serial.print("Message filter: ");Serial.println(_readBufferMessage[1]);
         //Serial.print("Check Message filter: ");Serial.println(getMessageFilter(_readBufferMessage[1]));
@@ -52,7 +52,7 @@ bool DidacticPSNet::handleNetwork(){
       unsigned long delayStartTime = micros();
       while(micros() < delayStartTime + CSMA_CHECK_DELAY_US);
       //delayMicroseconds(CSMA_CHECK_DELAY_US); //removed: blocking SoftSerial-interrupts
-      if(!checkData()){
+      if(!checkDataAvailable()){
           sendData();
           _dataToSend = false;
           //_waitingTime = millis()+ random(CSMA_MID_DELAY_MS, CSMA_MAX_DELAY_MS);
@@ -111,8 +111,8 @@ int DidacticPSNet::extractData(int startCounter, int maxLength, char* buffer, ch
 	return counter-startCounter; //length
 }
 
-int DidacticPSNet::checkData(){
-	return (int)_port->available();
+bool DidacticPSNet::checkDataAvailable(){
+	return _port->available() > 0;
 }
 
 bool  DidacticPSNet::recieveData() {
@@ -122,7 +122,7 @@ bool  DidacticPSNet::recieveData() {
 	//if(msgCounter == NULL){	msgCounter = 0;	}
 	//if(topicCounter == NULL){ topicCounter = 0; }
 	//if(dataCounter == NULL){ dataCounter = 0; }
-	while (checkData()) {
+	while (checkDataAvailable()) {
 		char localBuffer = _port->read();
 		if (localBuffer == MSG_PRELIMITER) {
 			msgCounter = 0;
@@ -321,7 +321,7 @@ bool DidacticPSNetClient::handleData(){
 
 int DidacticPSNetClient::getTopicOrWildcardNr(char* topic){
 	for (int i = 0; i < MAX_NR_TOPICS_CLIENT; i++) {
-    if (strcmp(_topic[i], topic) == 0 || _topic[i][0] == MSG_TOPIC_MULTI) { //TODO: check ... or equal MSG_TOPIC_MULTI
+    if (strcmp(_topic[i], topic) == 0 || _topic[i][0] == MSG_TOPIC_MULTI) { 
       return i;
 		}
 	}

src/DidacticNet.h

@@ -127,7 +127,7 @@ class DidacticPSNet
 
 		void setStream(Stream& _port);
 
-		int checkData();
+		bool checkDataAvailable();
 		bool recieveData();
 		void sendData();
 		int extractData(int, int, char*, char);