diff --git a/KED_structure_idea/Makefile b/KED_structure_idea/Makefile
deleted file mode 100644
index db99c6d..0000000
--- a/KED_structure_idea/Makefile
+++ /dev/null
@@ -1,29 +0,0 @@
-cpp_src = $(wildcard *.cpp) 
-#cpp_src += $(wildcard ./utils/*.cpp)
-#cpp_src += $(wildcard ./driver/*.cpp)
-
-cpp_obj = $(cpp_src:.cpp=.o)
-c_obj = $(c_src:.c=.o)
-CC = g++ 
-CFLAGS = -Wall -pedantic -li2c 
-LDFLAGS = 
-EXEC = runtest
-
-
-all : $(EXEC)
-
-$(EXEC): $(cpp_obj) $(c_obj)
-	$(CC) -o $@ $^ $(LDFLAGS) 
-
-debug : $(EXEC)
-
-$(EXEC): $(cpp_obj) $(c_obj)
-	$(CC) -g -o $@ $^ $(LDFLAGS) 
-
-clean: 
-	rm -rf $(c_obj) $(cpp_obj) $(EXEC)
-	clear
-
-cleanall: 
-	rm -rf $(c_obj) $(cpp_obj) $(EXEC)
-	clear
diff --git a/KED_structure_idea/bsl/hw_plattform.hpp b/KED_structure_idea/bsl/hw_plattform.hpp
deleted file mode 100644
index 31d711d..0000000
--- a/KED_structure_idea/bsl/hw_plattform.hpp
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef __HW_PLATTFORM_HPP__
-#define __HW_PLATTFORM_HPP__
-
-#include <iostream>
-
-//
-// csl ressources
-//
-
-#include "./../csl/implementations/dummy/dummy_pin.hpp"
-
-//
-// drivers
-//
-
-#include "./../drivers/LED.hpp"
-
-struct HW_plattform
-{
-    HW_plattform():
-        pin_0(),
-        pin_1(),
-        led_0(pin_0)
-    {}
-
-    void init()
-    {
-        std::cout << "bsl init..." << std::endl;
-        pin_0.set(false);
-        pin_1.set(false);
-        std::cout << "...done!" << std::endl;
-    };
-
-    private:
-    Dummy_Pin pin_0, pin_1;
-    public:
-
-    LED<Dummy_Pin> led_0;
-};
-
-
-#endif // __HW_PLATTFORM_HPP__
diff --git a/KED_structure_idea/csl/implementations/avr/avr_pin.hpp b/KED_structure_idea/csl/implementations/avr/avr_pin.hpp
deleted file mode 100644
index 42c49ec..0000000
--- a/KED_structure_idea/csl/implementations/avr/avr_pin.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef __AVR_PIN_HPP__
-#define __AVR_PIN_HPP__
-
-#include <iostream>
-#include "./../../interfaces/pin.hpp"
-
-
-
-struct AVR_Pin : Pin<AVR_Pin>
-{
-    AVR_Pin()
-    {
-        std::cout << "created AVR_Pin" << std::endl;
-    }
-
-    void setImp(bool logic)
-    {
-        std::cout << "AVR pin set to " << logic << std::endl;
-    }
-
-    void toggleImp()
-    {
-        std::cout << "toggled AVR pin" << std::endl;
-    }
-
-    bool getImp()
-    {
-        return true;
-    }
-
-    void avr_stuff()
-    {
-        std::cout << "AVR specific stuff" << std::endl;
-    }
-};
-
-#endif // __AVR_PIN_HPP__
\ No newline at end of file
diff --git a/KED_structure_idea/csl/implementations/dummy/dummy_pin.hpp b/KED_structure_idea/csl/implementations/dummy/dummy_pin.hpp
deleted file mode 100644
index 96b1cb6..0000000
--- a/KED_structure_idea/csl/implementations/dummy/dummy_pin.hpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef __DUMMY_PIN_HPP__
-#define __DUMMY_PIN_HPP__
-
-#include "./../../interfaces/pin.hpp"
-
-#include <iostream>
-
-
-struct Dummy_Pin : Pin<Dummy_Pin>
-{
-    Dummy_Pin()
-    {
-        std::cout << "created Dummy_Pin" << std::endl;
-    }
-
-    void setImp(bool logic)
-    {
-        std::cout << "Dummy pin set to " << logic << std::endl;
-    }
-
-    void toggleImp()
-    {
-        std::cout << "toggled Dummy pin" << std::endl;
-    }
-
-    bool getImp()
-    {
-        return true;
-    }
-
-    void dummy_stuff()
-    {
-        std::cout << "dummy specific stuff" << std::endl;
-    }
-};
-
-
-#endif // __DUMMY_PIN_HPP__
diff --git a/KED_structure_idea/csl/implementations/stm/stm_pin.hpp b/KED_structure_idea/csl/implementations/stm/stm_pin.hpp
deleted file mode 100644
index 2d4cf74..0000000
--- a/KED_structure_idea/csl/implementations/stm/stm_pin.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef __STM_PIN_HPP__
-#define __STM_PIN_HPP__
-
-#include "./../../interfaces/pin.hpp"
-
-#include <iostream>
-
-truct STM32_Pin : Pin<STM32_Pin>
-{
-    STM32_Pin()
-    {
-        std::cout << "created STM32_Pin" << std::endl;
-    }
-
-    void setImp(bool logic)
-    {
-        std::cout << "stm32 pin set to " << logic << std::endl;
-    }
-
-    void toggleImp()
-    {
-        std::cout << "toggled stm32 pin" << std::endl;
-    }
-
-    bool getImp()
-    {
-        return true;
-    }
-
-
-    void STM32_stuff()
-    {
-        std::cout << "STM_32 specific stuff" << std::endl;
-    }
-};
-
-#endif // __STM_PIN_HPP__
diff --git a/KED_structure_idea/csl/interfaces/pin.hpp b/KED_structure_idea/csl/interfaces/pin.hpp
deleted file mode 100644
index 3c9c76d..0000000
--- a/KED_structure_idea/csl/interfaces/pin.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef __PIN_HPP__
-#define __PIN_HPP__
-
-template <typename Derived>
-struct Pin
-{
-    void set(bool logic)
-    {
-        static_cast<Derived*>(this)->setImp(logic);
-    }
-
-    void toggle()
-    {
-        static_cast<Derived*>(this)->toggleImp();
-    }
-
-    bool get(void)
-    {
-        return static_cast<Derived*>(this)->getImp();
-    }
-};
-
-#endif // __PIN_HPP__
diff --git a/KED_structure_idea/drivers/LED.hpp b/KED_structure_idea/drivers/LED.hpp
deleted file mode 100644
index dfaec72..0000000
--- a/KED_structure_idea/drivers/LED.hpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef __LED_HPP__
-#define __LED_HPP__
-
-#include "./../csl/interfaces/pin.hpp"
-
-template <typename T>
-class LED
-{
-    public:
-
-    LED(Pin<T>& pin) :
-        pin(pin)
-    {}
-
-    void turnOn()
-    {
-        pin.set(true);
-    }
-
-    void turnOff()
-    {
-        pin.set(false);
-    }
-
-    void toggle()
-    {
-        pin.toggle();
-    }
-
-    private:
-
-    Pin<T>& pin;
-};
-
-#endif // __LED_HPP__
diff --git a/KED_structure_idea/main.cpp b/KED_structure_idea/main.cpp
deleted file mode 100644
index 522a52f..0000000
--- a/KED_structure_idea/main.cpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <iostream>
-
-#include "./bsl/hw_plattform.hpp"
-
-
-int main()
-{
-    HW_plattform hw;
-    hw.init();
-
-    //hw.pin_1.set(true);
-
-    hw.led_0.turnOn();
-    
-    return 1;
-}
\ No newline at end of file
diff --git a/KED_structure_idea/runtest b/KED_structure_idea/runtest
deleted file mode 100755
index 13f81ba..0000000
Binary files a/KED_structure_idea/runtest and /dev/null differ
diff --git a/bsl/csl/stm32f042/Src/CMakeLists.txt b/bsl/csl/stm32f042/Src/CMakeLists.txt
index 01cfe22..04f13cb 100644
--- a/bsl/csl/stm32f042/Src/CMakeLists.txt
+++ b/bsl/csl/stm32f042/Src/CMakeLists.txt
@@ -1,7 +1,10 @@
 set (STMSRC_INCLUDES
-	../Inc )
+	../Inc
+	${INTERFACES_DIR}	
+	)
 
 set(STMSRC_SOURCES
+	gpio.cpp
 	stm32f0xx_csl.c
 	stm32f0xx_it.c 
 	system_stm32f0xx.c)
@@ -13,3 +16,11 @@ target_include_directories(stmSources PUBLIC ${STMSRC_INCLUDES})
 target_link_libraries(stmSources sub::drivers)
 
 add_library(sub::sources ALIAS stmSources)
+
+
+add_library(stmGpio gpio.cpp)
+
+target_compile_options(stmGpio PRIVATE ${C_FLAGS})
+target_compile_definitions(stmGpio PRIVATE ${C_DEFS})
+target_include_directories(stmGpio PUBLIC ${INTERFACES_DIR} ${CSL_INCLUDES})
+add_library(sub::gpio ALIAS stmGpio)
diff --git a/bsl/nucleo_f042k6/periferals/gpio/gpio.cpp b/bsl/csl/stm32f042/Src/gpio.cpp
similarity index 96%
rename from bsl/nucleo_f042k6/periferals/gpio/gpio.cpp
rename to bsl/csl/stm32f042/Src/gpio.cpp
index 2a97e46..193c7a4 100644
--- a/bsl/nucleo_f042k6/periferals/gpio/gpio.cpp
+++ b/bsl/csl/stm32f042/Src/gpio.cpp
@@ -1,6 +1,5 @@
 #include "gpio.hpp" 
-#include "../../bsl_nucleo_f042k6.h"
-#include "./../../../csl/stm32f042/Drivers/CMSIS/Device/ST/STM32F0xx/Include/stm32f042x6.h"
+#include "../Drivers/CMSIS/Device/ST/STM32F0xx/Include/stm32f042x6.h"
 
 #define PIN_COUNT 20
 
diff --git a/bsl/csl/stm32f042/gpio/CMakeLists.txt b/bsl/csl/stm32f042/gpio/CMakeLists.txt
new file mode 100644
index 0000000..e69de29
diff --git a/bsl/nucleo_f042k6/periferals/gpio/gpioMap.hpp b/bsl/csl/stm32f042/gpio/gpioMap.hpp
similarity index 100%
rename from bsl/nucleo_f042k6/periferals/gpio/gpioMap.hpp
rename to bsl/csl/stm32f042/gpio/gpioMap.hpp
diff --git a/bsl/nucleo_f042k6/CMakeLists.txt b/bsl/nucleo_f042k6/CMakeLists.txt
index 77e1af5..9c34ff3 100644
--- a/bsl/nucleo_f042k6/CMakeLists.txt
+++ b/bsl/nucleo_f042k6/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_subdirectory(periferals)
+#add_subdirectory(periferals)
 
 add_library(stmTranslator bsl_nucleo_f042k6.cpp)
 target_compile_options(stmTranslator PRIVATE ${C_FLAGS})
diff --git a/bsl/nucleo_f042k6/bsl_nucleo_f042k6.cmake b/bsl/nucleo_f042k6/bsl_nucleo_f042k6.cmake
index 679c545..dd163a6 100644
--- a/bsl/nucleo_f042k6/bsl_nucleo_f042k6.cmake
+++ b/bsl/nucleo_f042k6/bsl_nucleo_f042k6.cmake
@@ -1,3 +1,7 @@
+####################################################################################################
+# bsl_nucleo_f042k6.cmake
+####################################################################################################
+
 set(CPU_MCU "-mcpu=cortex-m0")
 
 set(IDIR_BIN "/home/key/Git/ked/bsl/nucleo_f042k6/bin")
@@ -13,6 +17,7 @@ set(CMAKE_SYSTEM_PROCESSOR arm)
 set(CMAKE_CROSSCOMPILING TRUE)
 
 set(LINKER ${CMAKE_SOURCE_DIR}/bsl/csl/stm32f042/startup/STM32F042K6Tx_FLASH.ld)
+set(BSL_INC_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 ####################################################################################################
 #VARIABLES : defined by user
 ####################################################################################################
diff --git a/bsl/nucleo_f042k6/periferals/CMakeLists.txt b/bsl/nucleo_f042k6/periferals/CMakeLists.txt
deleted file mode 100644
index f1cfec5..0000000
--- a/bsl/nucleo_f042k6/periferals/CMakeLists.txt
+++ /dev/null
@@ -1 +0,0 @@
-add_subdirectory(gpio)
diff --git a/bsl/nucleo_f042k6/periferals/gpio/CMakeLists.txt b/bsl/nucleo_f042k6/periferals/gpio/CMakeLists.txt
deleted file mode 100644
index 7c94c87..0000000
--- a/bsl/nucleo_f042k6/periferals/gpio/CMakeLists.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-add_library(stmGpio gpio.cpp)
-
-target_compile_options(stmGpio PRIVATE ${C_FLAGS})
-target_compile_definitions(stmGpio PRIVATE ${C_DEFS})
-target_include_directories(stmGpio PUBLIC ${INTERFACES_DIR} ${CSL_INCLUDES})
-add_library(sub::gpio ALIAS stmGpio)
diff --git a/main.cpp b/main.cpp
index 638263c..785d79c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,9 +8,9 @@ int main(int argc, char *argv[])
 
 	while(1)
 	{
-		LL_mDelay(500); 
+		LL_mDelay(50); 
 		gpio.writePin(1,1);
-		LL_mDelay(500); 
+		LL_mDelay(50); 
 		gpio.writePin(1,0);
 	}	
 	return 1;