diff --git a/ProjetsKEIL/Drivers/inc/gpio.h b/ProjetsKEIL/Drivers/inc/gpio.h
index e787241..6f362de 100644
--- a/ProjetsKEIL/Drivers/inc/gpio.h
+++ b/ProjetsKEIL/Drivers/inc/gpio.h
@@ -9,8 +9,8 @@ typedef struct {
 } MyGPIO_Struct_TypeDef;
 
 #define In_Floating		0x4
-#define In_PullDown		0x101  //faire
-#define In_PullUp			0x102  //faire
+#define In_PullDown		0x7  //faire
+#define In_PullUp			0x8  //faire
 #define In_Analog			0x0
 #define Out_Ppull			0x2
 #define Out_OD				0x6
@@ -23,4 +23,4 @@ void MyGPIO_Set(GPIO_TypeDef * GPIO, char GPIO_Pin);
 void MyGPIO_Reset(GPIO_TypeDef * GPIO, char GPIO_Pin);
 void MyGPIO_Toggle(GPIO_TypeDef * GPIO, char GPIO_Pin);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/ProjetsKEIL/Drivers/src/gpio.c b/ProjetsKEIL/Drivers/src/gpio.c
index 42b0293..5ecf4f0 100644
--- a/ProjetsKEIL/Drivers/src/gpio.c
+++ b/ProjetsKEIL/Drivers/src/gpio.c
@@ -1,30 +1,70 @@
 #include "gpio.h"
 
 void MyGPIO_Init(MyGPIO_Struct_TypeDef * GPIOStructPtr) {
-	if (GPIOStructPtr->GPIO_Pin >= 8) {
+	if (GPIOStructPtr->GPIO_Pin >= 8) {		
 		switch (GPIOStructPtr->GPIO_Conf) {
 			case In_PullDown:
+				GPIOStructPtr->GPIO->CRH &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
+				GPIOStructPtr->GPIO->CRH |= (0x8 << (4 * (GPIOStructPtr->GPIO_Pin % 8)));	
+				GPIOStructPtr->GPIO->ODR &= (0x0 << GPIOStructPtr->GPIO_Pin);
+				break;
+			
 			case In_PullUp:
+				GPIOStructPtr->GPIO->CRH &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
+				GPIOStructPtr->GPIO->CRH |= (0x8 << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
+				GPIOStructPtr->GPIO->ODR |= (0x1 << GPIOStructPtr->GPIO_Pin);
+				break;
+			
+			case In_Floating:
+			case In_Analog:
+			case Out_Ppull:
+			case Out_OD:
+			case AltOut_Ppull:
+			case AltOut_OD:
+				GPIOStructPtr->GPIO->CRH &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
+				GPIOStructPtr->GPIO->CRH |= (GPIOStructPtr->GPIO_Conf << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
 				break;
 		}
 	}
 	else {
-		//suite
+		switch (GPIOStructPtr->GPIO_Conf) {
+			case In_PullDown:
+				GPIOStructPtr->GPIO->CRH &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin % 8)));
+				GPIOStructPtr->GPIO->CRH |= (0x8 << (4 * (GPIOStructPtr->GPIO_Pin % 8)));	
+				GPIOStructPtr->GPIO->ODR &= (0x0 << GPIOStructPtr->GPIO_Pin);			
+				break;
+			
+			case In_PullUp:
+				GPIOStructPtr->GPIO->CRL &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin)));
+				GPIOStructPtr->GPIO->CRL |= (0x8 << (4 * (GPIOStructPtr->GPIO_Pin)));
+				GPIOStructPtr->GPIO->ODR |= (0x1 << GPIOStructPtr->GPIO_Pin);
+				break;
+			
+			case In_Floating:
+			case In_Analog:
+			case Out_Ppull:
+			case Out_OD:
+			case AltOut_Ppull:
+			case AltOut_OD:
+				GPIOStructPtr->GPIO->CRL &= ~(0xF << (4 * (GPIOStructPtr->GPIO_Pin)));
+				GPIOStructPtr->GPIO->CRL |= (GPIOStructPtr->GPIO_Conf << (4 * (GPIOStructPtr->GPIO_Pin)));
+				break;
+		}
 	}
-	
 }
 
 int MyGPIO_Read(GPIO_TypeDef * GPIO, char GPIO_Pin) {
+	return ((GPIO->IDR & (0x1 << GPIO_Pin)) >> GPIO_Pin);
 }
 
 void MyGPIO_Set(GPIO_TypeDef * GPIO, char GPIO_Pin) {
-
+	GPIO->ODR |= (0x1 << GPIO_Pin);
 }
 
 void MyGPIO_Reset(GPIO_TypeDef * GPIO, char GPIO_Pin) {
-
+	GPIO->ODR &= (0x0 << GPIO_Pin);
 }
 
 void MyGPIO_Toggle(GPIO_TypeDef * GPIO, char GPIO_Pin) {
-
-}
\ No newline at end of file
+	
+}
diff --git a/ProjetsKEIL/Projet/src/Principal.c b/ProjetsKEIL/Projet/src/Principal.c
index dd96fbd..33756d5 100644
--- a/ProjetsKEIL/Projet/src/Principal.c
+++ b/ProjetsKEIL/Projet/src/Principal.c
@@ -1,22 +1,33 @@
 #include "stm32f10x.h"
+#include "gpio.h"
 
 int main(void) {
+	MyGPIO_Struct_TypeDef * led2;
+	MyGPIO_Struct_TypeDef * b1;
+	
 	RCC->APB2ENR |= (0x01 << 2) | (0x01 << 3) | (0x01 << 4);
 	
-	GPIOA->CRL &= ~(0xF << (4 * 5));
+	/*GPIOA->CRL &= ~(0xF << (4 * 5));
 	GPIOA->CRL |= (0x3 << (4 * 5));
 	GPIOA->ODR &= (0x0 << 5);
 	
 	GPIOC->CRH &= ~(0xF << (4 * (13%8)));
-	GPIOC->CRH |= (0x8 << (4 * (13%8)));
+	GPIOC->CRH |= (0x8 << (4 * (13%8)));*/
+	
+	led2->GPIO = GPIOA;
+	led2->GPIO_Pin = 5;
+	led2->GPIO_Conf = Out_Ppull;
+	b1->GPIO = GPIOC;
+	b1->GPIO_Pin = 13;
+	b1->GPIO_Conf = In_PullUp;
 	
 	do
 	{
-		if (((GPIOC->IDR & (0x1 << 13)) >> 13) == 0x1) {
-			GPIOA->ODR &= (0x0 << 5);
+		if (MyGPIO_Read(GPIOC, 13) == 0x1) {
+			MyGPIO_Reset(GPIOA, 5);
 		}
 		else {
-			GPIOA->ODR |= (0x1 << 5);
+			MyGPIO_Set(GPIOA, 5);
 		}
 	} while (1);
 }
diff --git a/ProjetsKEIL/Projet/tp1.uvoptx b/ProjetsKEIL/Projet/tp1.uvoptx
index f6f81c7..a6d95d1 100644
--- a/ProjetsKEIL/Projet/tp1.uvoptx
+++ b/ProjetsKEIL/Projet/tp1.uvoptx
@@ -196,7 +196,7 @@
     <ToolsetNumber>0x4</ToolsetNumber>
     <ToolsetName>ARM-ADS</ToolsetName>
     <TargetOption>
-      <CLKADS>25000000</CLKADS>
+      <CLKADS>8000000</CLKADS>
       <OPTTT>
         <gFlags>1</gFlags>
         <BeepAtEnd>1</BeepAtEnd>
@@ -378,7 +378,7 @@
 
   <Group>
     <GroupName>MesSources</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -389,7 +389,7 @@
       <tvExp>1</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>.\Source\Principal.c</PathWithFileName>
+      <PathWithFileName>.\src\Principal.c</PathWithFileName>
       <FilenameWithoutPath>Principal.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
@@ -398,10 +398,22 @@
 
   <Group>
     <GroupName>MesDrivers</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
+    <File>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>2</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\Drivers\src\gpio.c</PathWithFileName>
+      <FilenameWithoutPath>gpio.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
diff --git a/ProjetsKEIL/Projet/tp1.uvprojx b/ProjetsKEIL/Projet/tp1.uvprojx
index ce97dc0..f5fb201 100644
--- a/ProjetsKEIL/Projet/tp1.uvprojx
+++ b/ProjetsKEIL/Projet/tp1.uvprojx
@@ -386,12 +386,19 @@
             <File>
               <FileName>Principal.c</FileName>
               <FileType>1</FileType>
-              <FilePath>.\Source\Principal.c</FilePath>
+              <FilePath>.\src\Principal.c</FilePath>
             </File>
           </Files>
         </Group>
         <Group>
           <GroupName>MesDrivers</GroupName>
+          <Files>
+            <File>
+              <FileName>gpio.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\src\gpio.c</FilePath>
+            </File>
+          </Files>
         </Group>
         <Group>
           <GroupName>::CMSIS</GroupName>
@@ -734,7 +741,7 @@
               <MiscControls></MiscControls>
               <Define></Define>
               <Undefine></Undefine>
-              <IncludePath>.\Include</IncludePath>
+              <IncludePath>..\Drivers\inc;.\inc</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -781,12 +788,19 @@
             <File>
               <FileName>Principal.c</FileName>
               <FileType>1</FileType>
-              <FilePath>.\Source\Principal.c</FilePath>
+              <FilePath>.\src\Principal.c</FilePath>
             </File>
           </Files>
         </Group>
         <Group>
           <GroupName>MesDrivers</GroupName>
+          <Files>
+            <File>
+              <FileName>gpio.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\src\gpio.c</FilePath>
+            </File>
+          </Files>
         </Group>
         <Group>
           <GroupName>::CMSIS</GroupName>