char query() { Serial.println("#S|QUERY|[1]#"); //RLFIN Gobetwino if (Serial.available()) { linequery = char(Serial.read()); //Read the file Serial.println(linequery); //Print the file (For checking purpose only) } return (linequery); } I'll be using the return value of method query for th…

RLFIN Command always returns 0 value to ardunio

nickgammon March 7, 2013, 10:13pm 4

Can we see the whole sketch please? In code tags? How to use this forum

Once you call "query", how do you know if serial was available? Is linequery just some undefined value then?

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