add launch.json for basic test

.vscode/launch.json

@@ -0,0 +1,22 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "C++ Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/cmake-build-debug/test/first/basic",
+            "args": [],
+            "environment": [{ "name": "config", "value": "Debug" }],
+            "cwd": "${workspaceFolder}",
+            "externalConsole" :true,
+            "osx": {
+                "MIMode": "lldb"
+              },
+          }
+          
+    ]
+}

src/hardware_serial.h

@@ -66,7 +66,7 @@ private:
     termios t_saved;
 #else
     unsigned long _consoleMode;
-#endif _MSC_VER
+#endif
 
     std::queue<char> input;
 };

test/first/first.cpp

@@ -4,8 +4,11 @@ int main() {
     initialize_mock_arduino();
     delay(100);
     char s[10] = "123123\0";
-    Serial.printf("Hello %s", s);
+    Serial.printf("Hello %s\n", s);
     int m = millis();
-    Serial.printf("Hello %d", m);
+    Serial.printf("Please type a sentance.... %d\n", m);
+
+    String s2 = Serial.readStringUntil('\n');
+    Serial.printf("Thank you for your response '%s' \n", s2.c_str());
     return 0;
 }