added foo for example of the interface principle

bsl/csl/PC/peripherals/pinPC.hpp

@@ -0,0 +1,15 @@
+#ifndef __PINPC_HPP__
+#define __PINPC_HPP__
+
+#include <iostream>
+
+struct Pin_PC : Pin<Pin_PC>
+{
+    void writeImpl(bool logic)
+    {
+        std::cout << "PC pin set to " << logic << std::endl;
+    }
+};
+
+
+#endif // __PINPC_HPP__

main.cpp

@@ -16,6 +16,14 @@ CommandManager commander;
 
 Pin_Raspberry rpin; 
 
+Pin_PC pcpin;
+
+template<typename derivation>
+void baa(Pin<derivation>& p)
+{
+	p.write(true);
+}
+
 void dummy() 
 {
 	rpin.write(1);
@@ -23,10 +31,19 @@ void dummy()
 	
 }
 
+void foo()
+{
+	std::cout << "foo" << std::endl;
+
+	baa(rpin);
+	baa(pcpin);
+}
+
 int main(int argc, char *argv[])
 {
 	std::cout << "Main Begin" << std::endl;
 	commander.addNewCommand("dummy", "The test command for testing the test", dummy);
+	commander.addNewCommand("foo", "The test command for foo was called", foo);
 	commander(argv[1]);
 	std::cout << "Main End" << std::endl;
 	return 1; 

main.hpp

@@ -7,5 +7,6 @@
 #include "./utils/commandManager.h"
 #include "./interfaces/pin.hpp"
 #include "bsl/csl/raspberry/peripherals/pinRaspberry.hpp"
+#include "bsl/csl/PC/peripherals/pinPC.hpp"
 #endif // __MAIN_HPP__