diff --git a/developpment/$ b/developpment/$
new file mode 100644
index 0000000..18046a5
--- /dev/null
+++ b/developpment/$
@@ -0,0 +1,126 @@
+/*
+ * Authors : Kerem Yollu & Edwin Koch
+ * Date : 07.03.2021
+ *
+ * Description : 
+ * TODO : Write description or doxygene 
+ *
+ */
+
+#include <iostream>
+#include <stdint.h>
+#include <unistd.h>
+#include <bitset>
+#include "./management/errorHandling.h"
+#include "./management/commandManager.h"
+//#include "./drivers/bh1750/bh1750.h"
+//#include "./drivers/pf8574/pf8574lcd.h"
+#include "./algorithms/bitgestion.h"
+//#include "./periferals/i2c/i2c.hpp"
+#include "./pimpl/implementation.hpp"
+
+
+ErrorHandler errorHandle;
+CommandManager commander; 
+
+Device pimplTest; 
+
+//i2c_ch1_pImpL i2c(1, &errorHandle);
+
+/*
+char char_array[TOTAL_CHAR_CAP];
+int freq = 0; 
+
+int initPlatform()
+{
+	lcd_init(&i2c); 
+	return 0; 
+}
+
+
+void pca9685_test()
+{
+	Pca9685 pwmGenarator(&i2c, &errorHandle);
+	pwmGenarator.setOnDutyPercent(0,50);
+	for(int i = 3 ; i <= 255; i++)
+	{	
+		pwmGenarator.setPwmRaw(i);
+		strcpy(char_array, "Pwm Freq: ");
+		lcd_display_string(1,0,char_array,0); 
+		std::string Msg = std::to_string(pwmGenarator.getPwmFreq()); 
+		strcpy(char_array, Msg.c_str());
+		lcd_display_string(1,10, char_array, 7); 
+		strcpy(char_array, "Hz");
+		lcd_display_string(1,18, char_array, 7); 
+		usleep(200000);
+		freq = getchar();
+	}
+}
+
+void bh1750_test()
+{
+	Bh1750 lightSens(&i2c);
+	while(1)
+	{
+//		std::cout << "value "<< lightSens.continious(BH1750_CONTINUOUS_HIGH_RES_MODE_1,1) << " Lux" <<std::endl; 
+		std::string Msg = std::to_string(lightSens.continious(BH1750_CONTINUOUS_HIGH_RES_MODE_1,1)); 
+		char char_array[TOTAL_CHAR_CAP];
+		strcpy(char_array, Msg.c_str());
+		lcd_display_string(2,0, char_array,5); 
+		usleep(150*1000);
+	}
+}
+
+void dummy() 
+{
+	uint16_t conf = 0;
+	float conv = 0; 
+	Ads1015 adc(&i2c,&errorHandle);	
+	conf = adc.getConfig(); 
+	adc.setOperationMode(ADS1015_MODE_SINGLE);
+	adc.setMultiplexer(ADS1015_MUX_AIN0_GND);
+	adc.setGain(ADS1015_GAIN_6144);
+	adc.writeConfig();
+	adc.pointToConvReg();
+	conv = adc.getConversion(); 
+	conv = (5.0 * conv)/2047.0;
+	std::cout << "Convertion " << conv << std::endl; 
+	exit(1); 
+}
+
+
+int main(int argc, char *argv[])
+{
+	// Init 
+	initPlatform(); 
+	std::cout << "Main Begin" << std::endl;
+	commander.addNewCommand("bh1750", "The test command for testing the bh1750", bh1750_test);
+	commander.addNewCommand("pca9685", "The test command for testing the pca8695", pca9685_test);
+	commander.addNewCommand("dummy", "The test command for testing the test", dummy);
+	commander(argv[1]); 	
+	std::cout << "Main End" << std::endl;
+
+	return 1; 
+}
+*/
+int initPlatform()
+{
+	return 0; 
+}
+
+void dummy() 
+{
+
+}
+
+int main(int argc, char *argv[])
+{
+	// Init 
+	initPlatform(); 
+	std::cout << "Main Begin" << std::endl;
+	commander.addNewCommand("dummy", "The test command for testing the test", dummy);
+	commander(argv[1]); 	
+	std::cout << "Main End" << std::endl;
+
+	return 1; 
+}
diff --git a/developpment/Makefile b/developpment/Makefile
index a796f8a..73f5358 100644
--- a/developpment/Makefile
+++ b/developpment/Makefile
@@ -1,10 +1,11 @@
-cpp_src = $(wildcard *.cpp) $(wildcard ./drivers/bh1750/*.cpp) $(wildcard ./drivers/pca9685/*.cpp) $(wildcard ./management/*.cpp) $(wildcard ./systems/*.cpp) $(wildcard ./periferals/i2c/*.cpp) 
-cpp_src += $(wildcard ./drivers/ads1015/*.cpp)
+cpp_src += $(wildcard ./pimpl/*.cpp)
+cpp_src += $(wildcard *.cpp) 
+cpp_src += $(wildcard ./management/*.cpp) $(wildcard ./systems/*.cpp) 
 
-c_src = $(wildcard ./drivers/pf8574/*.c)
 c_src += $(wildcard ./algorithms/*.c)
 
 cpp_obj = $(cpp_src:.cpp=.o)
+impl_obj = $(impl_src:.cpp=.o)
 c_obj = $(c_src:.c=.o)
 CC = g++ 
 CFLAGS = -Wall -pedantic -li2c 
@@ -14,7 +15,7 @@ EXEC = runtest
 
 all : $(EXEC)
 
-$(EXEC): $(cpp_obj) $(c_obj)
+$(EXEC): $(impl_obj) $(cpp_obj) $(c_obj)
 	$(CC) -o $@ $^ $(LDFLAGS) 
  
 clean: 
diff --git a/developpment/config.h b/developpment/config.h
new file mode 100644
index 0000000..8648b52
--- /dev/null
+++ b/developpment/config.h
@@ -0,0 +1,15 @@
+#define STM 0
+#define LINUX 1
+
+
+#define PLATFORM STM
+
+
+
+
+
+
+
+
+
+
diff --git a/developpment/drivers/ads1015/ads1050.cpp b/developpment/drivers/ads1015/ads1050.cpp
index da06af9..17a3886 100644
--- a/developpment/drivers/ads1015/ads1050.cpp
+++ b/developpment/drivers/ads1015/ads1050.cpp
@@ -13,7 +13,6 @@ Ads1015::Ads1015(i2c_ch1_pImpL* i2c,ErrorHandler* err)
 
 void Ads1015::writeConfig()
 {
-	std::cout << "To be written conf = "<< unsigned(configuration) << std::endl; 
 	i2c_ads1015->writeWordWithReg(ADS1015_I2C_ADRS,ADS1015_REG_CONFIG,configuration);
 }
 
@@ -79,10 +78,16 @@ void Ads1015::setComparatorQueue(uint8_t queue)
 {
 	
 }
+
+void Ads1015::pointToConvReg()
+{
+	i2c_ads1015 -> writeByte(ADS1015_I2C_ADRS,ADS1015_REG_CONVERSION);
+}
  
-uint8_t Ads1015::checkConversion()
+uint16_t Ads1015::checkConversion()
 {
 	bitNo = ADS1015_OS_CONVERTING; 
+	getConfig();
 	return getBitUint16(&configuration,bitNo);
 }
 
diff --git a/developpment/drivers/ads1015/ads1050.h b/developpment/drivers/ads1015/ads1050.h
index 6ec328f..4c56c8a 100644
--- a/developpment/drivers/ads1015/ads1050.h
+++ b/developpment/drivers/ads1015/ads1050.h
@@ -106,7 +106,8 @@ class Ads1015
 		void setComparatorLatch(uint8_t latch); 
 		void setComparatorQueue(uint8_t queue); 
 		void startSingleConvertion(); 
-		uint8_t checkConversion();
+		void pointToConvReg();
+		uint16_t checkConversion();
 		int16_t getConversion();
 		uint16_t getConfig();
 		void configMode();
diff --git a/developpment/interfacer.cpp b/developpment/interfacer.cpp
index e530cfc..c844927 100644
--- a/developpment/interfacer.cpp
+++ b/developpment/interfacer.cpp
@@ -13,17 +13,22 @@
 #include <bitset>
 #include "./management/errorHandling.h"
 #include "./management/commandManager.h"
-#include "./drivers/bh1750/bh1750.h"
-#include "./drivers/pf8574/pf8574lcd.h"
-#include "./drivers/pca9685/pca9685.h"
-#include "./drivers/ads1015/ads1050.h"
+//#include "./drivers/bh1750/bh1750.h"
+//#include "./drivers/pf8574/pf8574lcd.h"
 #include "./algorithms/bitgestion.h"
+//#include "./periferals/i2c/i2c.hpp"
+//#include "./pimpl/implementation.hpp"
+#include "./pimpl/interface.hpp"
+
 
 ErrorHandler errorHandle;
 CommandManager commander; 
-i2c_ch1_pImpL i2c(1, &errorHandle);
-Ads1015 adc(&i2c,&errorHandle);	
 
+Device pimplTest; 
+
+//i2c_ch1_pImpL i2c(1, &errorHandle);
+
+/*
 char char_array[TOTAL_CHAR_CAP];
 int freq = 0; 
 
@@ -70,24 +75,21 @@ void bh1750_test()
 void dummy() 
 {
 	uint16_t conf = 0;
+	float conv = 0; 
+	Ads1015 adc(&i2c,&errorHandle);	
 	conf = adc.getConfig(); 
 	adc.setOperationMode(ADS1015_MODE_SINGLE);
 	adc.setMultiplexer(ADS1015_MUX_AIN0_GND);
 	adc.setGain(ADS1015_GAIN_6144);
 	adc.writeConfig();
-
-	while(adc.checkConversion() == 0)
-	{
-		std::cout << "converting" << std::endl;
-		usleep(100000);		
-	}
-	uint16_t conv = adc.getConversion(); 
-	std::cout << "Convertion " << unsigned(conv) << std::endl; 
+	adc.pointToConvReg();
+	conv = adc.getConversion(); 
+	conv = (5.0 * conv)/2047.0;
+	std::cout << "Convertion " << conv << std::endl; 
 	exit(1); 
 }
 
 
-
 int main(int argc, char *argv[])
 {
 	// Init 
@@ -101,3 +103,25 @@ int main(int argc, char *argv[])
 
 	return 1; 
 }
+*/
+int initPlatform()
+{
+	return 0; 
+}
+
+void dummy() 
+{
+	pimplTest.printNumber(3); 
+}
+
+int main(int argc, char *argv[])
+{
+	// Init 
+	initPlatform(); 
+	std::cout << "Main Begin" << std::endl;
+	commander.addNewCommand("dummy", "The test command for testing the test", dummy);
+	commander(argv[1]); 	
+	std::cout << "Main End" << std::endl;
+
+	return 1; 
+}
diff --git a/developpment/periferals/i2c/i2c.hpp b/developpment/periferals/i2c/i2c.hpp
index be49920..d81d09f 100644
--- a/developpment/periferals/i2c/i2c.hpp
+++ b/developpment/periferals/i2c/i2c.hpp
@@ -1,5 +1,6 @@
 #ifndef _I2C_H_
 #define _I2C_H_
+#include <memory>
 
 namespace serial
 {
@@ -33,24 +34,24 @@ namespace serial
 	class I2C <i2c_ch0>
 	{
 		public:
-			I2C(const uint8_t& mode):pImpL(mode)
+			I2C(const uint8_t& mode)
 			{
 			}
 			uint8_t readByte(const uint8_t& address, const uint8_t& reg)
 			{
-				return pImpL -> readByte(address, reg); 
+				return pImpL.readByte(address, reg); 
 			}
 			uint16_t readWord(const uint8_t& address, const uint8_t& reg)
 			{
-				return pImpL -> readWord(address,reg); 
+				return pImpL.readWord(address,reg); 
 			}
 			uint8_t writeByte(const uint8_t& address, const uint8_t& data)
 			{
-				return pImpL -> writeByte(address, data); 
+				return pImpL.writeByte(address, data); 
 			}
 			uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data)
 			{
-				return pImpL -> writeWord(address, reg, data); 
+				return pImpL.writeWord(address, reg, data); 
 			}
 
 		private:
@@ -65,24 +66,24 @@ namespace serial
 	class I2C <i2c_ch1>
 	{
 		public:
-			I2C(const uint8_t& mode):pImpL(mode)
+			I2C(const uint8_t& mode)
 			{
 			}
 			uint8_t readByte(const uint8_t& address, const uint8_t& reg)
 			{
-				return pImpL -> readByte(address, reg); 
+				return pImpL.readByte(address, reg); 
 			}
 			uint16_t readWord(const uint8_t& address, const uint8_t& reg)
 			{
-				return pImpL -> readWord(address,reg); 
+				return pImpL.readWord(address,reg); 
 			}
 			uint8_t writeByte(const uint8_t& address, const uint8_t& data)
 			{
-				return pImpL -> writeByte(address, data); 
+				return pImpL.writeByte(address, data); 
 			}
 			uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data)
 			{
-				return pImpL -> writeWord(address, reg, data); 
+				return pImpL.writeWord(address, reg, data); 
 			}
 
 		private:
diff --git a/developpment/periferals/i2c/i2c_ch0_pImpL.cpp b/developpment/periferals/i2c/i2c_ch0_pImpL.cpp
index 6201bc8..0e2aeab 100644
--- a/developpment/periferals/i2c/i2c_ch0_pImpL.cpp
+++ b/developpment/periferals/i2c/i2c_ch0_pImpL.cpp
@@ -1,18 +1,5 @@
-#include "i2c_ch0_pImpL.h"
-
-#include <cstdio>
-#include <ostream>
-#include <iostream>
-#include <linux/i2c-dev.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-
-#define PORT_I2C "/dev/i2c-1"
 
+#include "i2c_ch0_pImpL.hpp"
 // some curious things https://www.john.geek.nz/2012/12/update-reading-data-from-a-bosch-bmp085-with-a-raspberry-pi/
 
 
diff --git a/developpment/periferals/i2c/i2c_ch0_pImpL.h b/developpment/periferals/i2c/i2c_ch0_pImpL.hpp
similarity index 77%
rename from developpment/periferals/i2c/i2c_ch0_pImpL.h
rename to developpment/periferals/i2c/i2c_ch0_pImpL.hpp
index 51fa22a..a560b1d 100644
--- a/developpment/periferals/i2c/i2c_ch0_pImpL.h
+++ b/developpment/periferals/i2c/i2c_ch0_pImpL.hpp
@@ -2,10 +2,23 @@
 #define _I2C_CH0_PIMPL_H_
 
 #include <stdint.h>
+#include <unistd.h>
+#include <cstdio>
+#include <ostream>
 #include <iostream>
-#include <string>
-#include "../../management/errorHandling.h"
+
+#include <linux/i2c-dev.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+
+#define PORT_I2C "/dev/i2c-1"
 #include "../../systems/systemCall.h"
+#include "../../management/errorHandling.h"
+
+#include "i2c.hpp"
 
 class i2c_ch0_pImpL
 {
diff --git a/developpment/periferals/i2c/i2c_ch1_pImpL.cpp b/developpment/periferals/i2c/i2c_ch1_pImpL.cpp
index 350f87f..897472d 100644
--- a/developpment/periferals/i2c/i2c_ch1_pImpL.cpp
+++ b/developpment/periferals/i2c/i2c_ch1_pImpL.cpp
@@ -1,18 +1,4 @@
 #include "i2c_ch1_pImpL.hpp"
-
-#include <cstdio>
-#include <ostream>
-#include <iostream>
-#include <linux/i2c-dev.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-
-#define PORT_I2C "/dev/i2c-1"
-
 // some curious things https://www.john.geek.nz/2012/12/update-reading-data-from-a-bosch-bmp085-with-a-raspberry-pi/
 
 
diff --git a/developpment/periferals/i2c/i2c_ch1_pImpL.hpp b/developpment/periferals/i2c/i2c_ch1_pImpL.hpp
index eabd91e..8ba2952 100644
--- a/developpment/periferals/i2c/i2c_ch1_pImpL.hpp
+++ b/developpment/periferals/i2c/i2c_ch1_pImpL.hpp
@@ -2,11 +2,24 @@
 #define _I2C_CH1_PIMPL_H_
 
 #include <stdint.h>
+#include <unistd.h>
+#include <cstdio>
+#include <ostream>
 #include <iostream>
-#include <string>
+
+#include <linux/i2c-dev.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+
+#define PORT_I2C "/dev/i2c-1"
 #include "../../systems/systemCall.h"
 #include "../../management/errorHandling.h"
 
+#include "i2c.hpp"
+
 class i2c_ch1_pImpL
 {
 	public: 
diff --git a/developpment/periferals/i2c/i2c_driver.o b/developpment/periferals/i2c/i2c_driver.o
new file mode 100644
index 0000000..57c9c26
Binary files /dev/null and b/developpment/periferals/i2c/i2c_driver.o differ
diff --git a/developpment/pimpl/implementations.hpp b/developpment/pimpl/implementations.hpp
new file mode 100644
index 0000000..f47214d
--- /dev/null
+++ b/developpment/pimpl/implementations.hpp
@@ -0,0 +1,20 @@
+#ifndef _IMPLEMENTATION_H_
+#define _IMPLEMENTATION_H_
+
+#include "interface.hpp" 
+#include <iostream>
+#include <unistd.h>
+
+struct Device::deviceImpl
+{
+	deviceImpl() 
+	{
+		std::cout << "Device implementation Constarctor For Liunx "<< std::endl;
+	}
+	void printNumber(const uint8_t& no)
+	{
+		std::cout << "selected no: "<< unsigned(no*2) << std::endl;
+	}
+}; 
+
+#endif // _IMPLEMENTATION_H_
diff --git a/developpment/pimpl/implementations2.hpp b/developpment/pimpl/implementations2.hpp
new file mode 100644
index 0000000..777d5af
--- /dev/null
+++ b/developpment/pimpl/implementations2.hpp
@@ -0,0 +1,20 @@
+#ifndef _IMPLEMENTATION2_H_
+#define _IMPLEMENTATION2_H_
+
+#include "interface.hpp" 
+#include <iostream>
+#include <unistd.h>
+
+struct Device::deviceImpl
+{
+	deviceImpl()  
+	{
+		std::cout << "Device implementation Constarctor For STM "<< std::endl;
+	}
+	void printNumber(const uint8_t& no)
+	{
+		std::cout << "selected no: "<< unsigned(no) << std::endl;
+	}
+}; 
+
+#endif // _IMPLEMENTATION2_H_
diff --git a/developpment/pimpl/interface.cpp b/developpment/pimpl/interface.cpp
new file mode 100644
index 0000000..effcc05
--- /dev/null
+++ b/developpment/pimpl/interface.cpp
@@ -0,0 +1,24 @@
+#include "interface.hpp"
+
+#if PLATFORM == STM
+#include "implementations2.hpp"
+#endif 
+
+#if PLATFORM == LINUX
+#include "implementations.hpp"
+#endif 
+
+Device::Device()
+	:pImpl(new deviceImpl())
+{
+}
+
+void Device::printNumber(const uint8_t& no)
+{
+	pImpl->printNumber(no);
+}
+
+Device::~Device()
+{
+
+}
diff --git a/developpment/pimpl/interface.hpp b/developpment/pimpl/interface.hpp
new file mode 100644
index 0000000..4dbc73b
--- /dev/null
+++ b/developpment/pimpl/interface.hpp
@@ -0,0 +1,22 @@
+#ifndef _INTERFACE_H_
+#define _INTERFACE_H_
+
+#include "../config.h"
+#include <stdint.h>
+#include <memory>
+
+class Device
+{
+	public: 
+		Device(); 
+		~Device(); 
+		void printNumber(const uint8_t& no); 
+
+	private:
+		struct deviceImpl; 
+		std::unique_ptr<deviceImpl> pImpl; 
+};
+
+
+
+#endif // _INTERFACE_H_