Working with hardware

project/device.cpp

@@ -0,0 +1,52 @@
+#include<fstream>
+#include<iostream>
+#include<string>
+
+class Device
+{
+public:
+
+  Device(std::string name): root_path("/dev/" + name) {  }
+
+  void send_command(std::string command)
+  {
+    std::ofstream out;
+    out.open(root_path);
+
+    if(!out.is_open()) {
+    std::cerr << "**ERROR** file is not open to output." << std::endl;
+    } else {
+    out << command;
+    out.close();
+    }
+  }
+
+  std::string accept_command()
+  {
+    std::ifstream in;
+    in.open(root_path);
+
+    if(!in.is_open()) {
+    std::cerr << "**ERROR** file is not open to input." << std::endl;
+    } else {
+    std::getline(in, buffer);
+    in.close();
+    }
+
+    return buffer;
+  }
+
+private:
+  std::string root_path;
+  std::string buffer;
+};
+
+int main()
+{
+  Device generator("usbtmc0");
+  generator.send_command("*IDN?");
+
+  std::cout << generator.accept_command() << std::endl;
+
+  return 0;
+}