title: Reading COM Port Data in C++
body: <p>i have a device which is stethoscope digital machine, so i attach that machine with PC and get that machine data using C++ code(Algorithm), so how can i start? Can any one give me any type of tutorial or any related example link which will be help me to accomplish that task ? 
  i haven't much knowledge of this type of task so what is good for me related that task please suggest me.   </p>