diff --git a/bsl/csl/rpi/Src/CMakeLists.txt b/bsl/csl/rpi/Src/CMakeLists.txt
index 14c745f..b09716a 100644
--- a/bsl/csl/rpi/Src/CMakeLists.txt
+++ b/bsl/csl/rpi/Src/CMakeLists.txt
@@ -1,9 +1,9 @@
-#add_library(rpiGpio gpio.cpp)
+add_library(rpiGpio gpio.cpp)
 
-#target_compile_options(rpiGpio PRIVATE ${C_FLAGS})
-#target_compile_definitions(rpiGpio PRIVATE ${C_DEFS})
-#target_include_directories(rpiGpio PRIVATE ${INTERFACES_DIR} ../Inc)
-#add_library(sub::gpio ALIAS rpiGpio)
+target_compile_options(rpiGpio PRIVATE ${C_FLAGS})
+target_compile_definitions(rpiGpio PRIVATE ${C_DEFS})
+target_include_directories(rpiGpio PRIVATE ${INTERFACES_DIR} ../Inc)
+add_library(sub::gpio ALIAS rpiGpio)
 
 add_library(rpiDelay delay.cpp)
 
diff --git a/bsl/csl/rpi/Src/gpio.cpp b/bsl/csl/rpi/Src/gpio.cpp
index 4bb4f7a..81dd2b7 100644
--- a/bsl/csl/rpi/Src/gpio.cpp
+++ b/bsl/csl/rpi/Src/gpio.cpp
@@ -1,12 +1,17 @@
 #include "pin.hpp"
 #include "systemCall.hpp"
+#include <fstream>
+#include <iostream>
+
+
+char buffer[50];
+char gpioNo = 17; 
+uint8_t currentPin = 0; 
+int ck = 0; 
+std::ifstream bufFile; 
 
 Pin::Pin()
 {
-	char buffer[50];
-	uint8_t currentPin = 0; 
-	int ck = 0; 
-    std::ifstream bufFile; 
 } 
 
 Pin::~Pin()
@@ -20,12 +25,10 @@ void Pin::setMode(mode mode)
 	{
 		case input:
 			sprintf(buffer, "echo \"in\" > /sys/class/gpio/gpio%d/direction",gpioNo);
-			pins[gpioNo].mode = mode; 
 			system(buffer);
 			break; 
 		case output:
 			sprintf(buffer, "echo \"out\" > /sys/class/gpio/gpio%d/direction",gpioNo);
-			pins[gpioNo].mode = mode; 
 			system(buffer);
 			break; 
 		case analog:
@@ -35,7 +38,6 @@ void Pin::setMode(mode mode)
 			std::cout << "No analog pins are awailable for raspberry" << std::endl;
 			break; 
 		default :
-			throwError(__LINE__,notValidMode); 
 			break; 
 	}
 }
@@ -91,11 +93,11 @@ void Pin::write(bool state)
 {
 	if(state == 1)
 	{
-		sprintf(buffer, "echo \"%d\" > /sys/class/gpio/gpio%d/value",value,gpioNo);
+		sprintf(buffer, "echo \"%d\" > /sys/class/gpio/gpio%d/value",state,gpioNo);
 		system(buffer);
 		return;
 	}
-	sprintf(buffer, "echo \"%d\" > /sys/class/gpio/gpio%d/value",value,gpioNo);
+	sprintf(buffer, "echo \"%d\" > /sys/class/gpio/gpio%d/value",state,gpioNo);
 	system(buffer);
 }
 
@@ -124,10 +126,6 @@ void Pin::deInit()
 		sprintf(buffer, "echo \"%d\" > /sys/class/gpio/unexport",gpioNo);
 		system(buffer);
 	}
-	else
-	{
-		throwError(__LINE__,pinNotDeclared); 
-	}
 }
 
 
diff --git a/bsl/raspberry/bslConfig.cmake b/bsl/raspberry/bslConfig.cmake
index c5882ce..e8a7c13 100644
--- a/bsl/raspberry/bslConfig.cmake
+++ b/bsl/raspberry/bslConfig.cmake
@@ -27,3 +27,4 @@ set (CPP_DEFS ${C_DEFS})
 
 list(APPEND EXTRA_LIBS sub::translator)
 list(APPEND EXTRA_LIBS sub::delay)
+list(APPEND EXTRA_LIBS sub::gpio)
diff --git a/bsl/raspberry/bsl_raspberry.cpp b/bsl/raspberry/bsl_raspberry.cpp
index c4c97d0..30bdcb4 100644
--- a/bsl/raspberry/bsl_raspberry.cpp
+++ b/bsl/raspberry/bsl_raspberry.cpp
@@ -1,10 +1,11 @@
 #include "bsl_raspberry.hpp"
 #include "../csl/interfaces/delay.hpp" 
+#include "../csl/interfaces/pin.hpp" 
 
 int startBSL()
 {
 	int i = 0; 
-
+	Pin pin; 
 	Delay delay; 
 
 	for(i=0; i < 5; i++)