diff --git a/ProjetsKEIL/Drivers/inc/UART.h b/ProjetsKEIL/Drivers/inc/UART.h
new file mode 100644
index 0000000..70aa2d7
--- /dev/null
+++ b/ProjetsKEIL/Drivers/inc/UART.h
@@ -0,0 +1,27 @@
+#ifndef UART_H
+#define UART_H
+#include "stm32f10x.h"
+
+typedef struct {
+	USART_TypeDef * UART;
+	unsigned int BaudRate;
+	unsigned char Wlengh;
+	unsigned char Wparity;
+	unsigned char Wstop;
+	
+}MyUART_Struct_Typedef;
+
+#define parity_none 0x0
+#define parity_even 0x1
+#define parity_odd 0x2
+#define Wlengh8 0x0
+#define Wlengh9 0X1
+#define stop1b 0x0
+#define stop2b 0x2
+
+void MyUART_Init(MyUART_Struct_Typedef * UARTStructPtr);
+void USART1_IRQHandler(void);
+void USART2_IRQHandler(void);
+void USART3_IRQHandler(void);
+char MyUART_Read(MyUART_Struct_Typedef * UARTStructPtr);
+#endif
\ No newline at end of file
diff --git a/ProjetsKEIL/Drivers/src/UART.c b/ProjetsKEIL/Drivers/src/UART.c
new file mode 100644
index 0000000..bf073e0
--- /dev/null
+++ b/ProjetsKEIL/Drivers/src/UART.c
@@ -0,0 +1,91 @@
+#include "UART.h"
+#include "gpio.h"
+//faire GPIO
+
+
+char data1 = 0x00;
+char data2 = 0x00;
+char data3 = 0x00;
+
+void MyUART_Init(MyUART_Struct_Typedef * UARTStructPtr){
+	if (UARTStructPtr->UART == USART1)
+		RCC->APB2ENR |= RCC_APB2ENR_USART1EN;
+	if (UARTStructPtr->UART == USART2)
+		RCC->APB2ENR |= RCC_APB1ENR_USART2EN;
+	if (UARTStructPtr->UART == USART3)
+		RCC->APB2ENR |= RCC_APB1ENR_USART3EN; 
+
+		UARTStructPtr->UART->BRR = 72000000/(UARTStructPtr->BaudRate);
+		UARTStructPtr->UART->CR1 |= ((UARTStructPtr->Wlengh)<<12);
+		UARTStructPtr->UART->CR1 |= (0x1<<10);
+	
+	if(UARTStructPtr->Wparity == parity_none)
+		UARTStructPtr->UART->CR1 &= ~(0x1<<10);
+	if(UARTStructPtr->Wparity == parity_odd)
+		UARTStructPtr->UART->CR1 |= (0x1<<9);
+	if(UARTStructPtr->Wparity == parity_even)
+		UARTStructPtr->UART->CR1 &= ~(0x1<<9);
+	
+	if(UARTStructPtr->Wstop == stop1b)
+		UARTStructPtr->UART->CR2 &= ~(0x3<<12);
+	if(UARTStructPtr->Wstop == stop2b){
+		UARTStructPtr->UART->CR2 &= ~(0x3<<12);
+		UARTStructPtr->UART->CR2 |= (0x1<<13);
+	}
+	UARTStructPtr->UART->CR1 |= (USART_CR1_TE | USART_CR1_RE | USART_CR1_UE | USART_CR1_RXNEIE);
+	
+	NVIC_EnableIRQ(USART1_IRQn);
+}
+
+void USART1_IRQHandler(void)
+{
+  // Check if receive data register not empty
+  if(USART1->SR & USART_SR_RXNE)
+  {
+    data1 = USART1->DR; // read received data
+    // do something with received data
+  }
+}
+
+void USART2_IRQHandler(void)
+{
+  // Check if receive data register not empty
+  if(USART2->SR & USART_SR_RXNE)
+  {
+    data2 = USART2->DR; // read received data
+    // do something with received data
+  }
+}
+
+void USART3_IRQHandler(void)
+{
+  // Check if receive data register not empty
+  if(USART3->SR & USART_SR_RXNE)
+  {
+    data3 = USART3->DR; // read received data
+    // do something with received data
+  }
+}
+
+char MyUART_Read(MyUART_Struct_Typedef * UARTStructPtr)
+{
+	if(UARTStructPtr->UART == USART1)
+		return data1;
+	else if(UARTStructPtr->UART == USART2)
+		return data2;
+	else if(UARTStructPtr->UART == USART3)
+		return data3;
+	else 
+		return 0xFF;
+}
+
+/* exemple utilisation fonction :
+	
+	UART1.UART = USART1; // choix UART (USART1, USART2, USART3)
+	UART1.BaudRate = 9600; // Vitesse de communication MAX 118200
+	UART1.Wlengh = Wlengh8; // longeur du mot (Wlengh8 ,Wlengh9)
+	UART1.Wparity = parity_even; // parité (parity_even, parity_odd, parity_none)
+	UART1.Wstop = stop1b; // nombre bit de stop (stop1b, stop2b)
+	MyUART_Init(&UART1); // initialisation
+*/
+
diff --git a/ProjetsKEIL/Projet/src/Principal.c b/ProjetsKEIL/Projet/src/Principal.c
index 58d1fe0..cb17134 100644
--- a/ProjetsKEIL/Projet/src/Principal.c
+++ b/ProjetsKEIL/Projet/src/Principal.c
@@ -1,6 +1,7 @@
 #include "stm32f10x.h"
 #include "gpio.h"
 #include "timer.h" 
+#include "UART.h"
 
 void changer_led(void);
 
@@ -8,6 +9,8 @@ int main(void) {
 	MyGPIO_Struct_TypeDef led2;
 	MyGPIO_Struct_TypeDef b1;
 	MyTimer_Struct_Typedef t3;
+	MyUART_Struct_Typedef UART1;
+	
 	
 	MyGPIO_InitClock();
 	
@@ -29,6 +32,12 @@ int main(void) {
 	MyTimer_DutyCycle(TIM1,1,10);
 	MyTimer_Base_Start(t3);
 	
+	UART1.UART = USART1;
+	UART1.BaudRate = 9600;
+	UART1.Wlengh = Wlengh8;
+	UART1.Wparity = parity_even;
+	UART1.Wstop = stop1b;
+	MyUART_Init(&UART1);
 	
 	do
 	{
diff --git a/ProjetsKEIL/Projet/tp1.uvoptx b/ProjetsKEIL/Projet/tp1.uvoptx
index 64877fb..1a4ab04 100644
--- a/ProjetsKEIL/Projet/tp1.uvoptx
+++ b/ProjetsKEIL/Projet/tp1.uvoptx
@@ -125,7 +125,7 @@
         <SetRegEntry>
           <Number>0</Number>
           <Key>DLGDARM</Key>
-          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=920,358,1341,785,0)(121=-1,-1,-1,-1,0)(122=-1,-1,-1,-1,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=105,137,504,482,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=120,153,405,449,0)(130=624,173,1218,924,0)(131=931,121,1525,872,0)(132=973,161,1567,912,0)(133=-1,-1,-1,-1,0)(160=-1,-1,-1,-1,0)(161=-1,-1,-1,-1,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(234=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
+          <Name>(1010=-1,-1,-1,-1,0)(1007=-1,-1,-1,-1,0)(1008=-1,-1,-1,-1,0)(1009=-1,-1,-1,-1,0)(100=-1,-1,-1,-1,0)(110=-1,-1,-1,-1,0)(111=-1,-1,-1,-1,0)(1011=-1,-1,-1,-1,0)(180=-1,-1,-1,-1,0)(120=920,358,1341,785,0)(121=-1,-1,-1,-1,0)(122=-1,-1,-1,-1,0)(123=-1,-1,-1,-1,0)(140=-1,-1,-1,-1,0)(240=105,137,504,482,0)(190=-1,-1,-1,-1,0)(200=-1,-1,-1,-1,0)(170=120,153,405,449,0)(130=624,173,1218,924,0)(131=931,121,1525,872,0)(132=973,161,1567,912,0)(133=-1,-1,-1,-1,0)(160=767,440,1215,854,0)(161=-1,-1,-1,-1,0)(162=-1,-1,-1,-1,0)(210=-1,-1,-1,-1,0)(211=-1,-1,-1,-1,0)(220=-1,-1,-1,-1,0)(221=-1,-1,-1,-1,0)(230=-1,-1,-1,-1,0)(234=-1,-1,-1,-1,0)(231=-1,-1,-1,-1,0)(232=-1,-1,-1,-1,0)(233=-1,-1,-1,-1,0)(150=-1,-1,-1,-1,0)(151=-1,-1,-1,-1,0)</Name>
         </SetRegEntry>
         <SetRegEntry>
           <Number>0</Number>
@@ -378,7 +378,7 @@
 
   <Group>
     <GroupName>MesSources</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -406,7 +406,7 @@
       <GroupNumber>2</GroupNumber>
       <FileNumber>2</FileNumber>
       <FileType>1</FileType>
-      <tvExp>1</tvExp>
+      <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>..\Drivers\src\gpio.c</PathWithFileName>
@@ -418,7 +418,7 @@
       <GroupNumber>2</GroupNumber>
       <FileNumber>3</FileNumber>
       <FileType>1</FileType>
-      <tvExp>1</tvExp>
+      <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
       <PathWithFileName>..\Drivers\src\timer.c</PathWithFileName>
@@ -426,6 +426,18 @@
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
+    <File>
+      <GroupNumber>2</GroupNumber>
+      <FileNumber>4</FileNumber>
+      <FileType>1</FileType>
+      <tvExp>0</tvExp>
+      <tvExpOptDlg>0</tvExpOptDlg>
+      <bDave2>0</bDave2>
+      <PathWithFileName>..\Drivers\src\UART.c</PathWithFileName>
+      <FilenameWithoutPath>UART.c</FilenameWithoutPath>
+      <RteFlg>0</RteFlg>
+      <bShared>0</bShared>
+    </File>
   </Group>
 
   <Group>
diff --git a/ProjetsKEIL/Projet/tp1.uvprojx b/ProjetsKEIL/Projet/tp1.uvprojx
index 3fe9bc3..1932d6b 100644
--- a/ProjetsKEIL/Projet/tp1.uvprojx
+++ b/ProjetsKEIL/Projet/tp1.uvprojx
@@ -403,6 +403,11 @@
               <FileType>1</FileType>
               <FilePath>..\Drivers\src\timer.c</FilePath>
             </File>
+            <File>
+              <FileName>UART.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\src\UART.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>
@@ -810,6 +815,11 @@
               <FileType>1</FileType>
               <FilePath>..\Drivers\src\timer.c</FilePath>
             </File>
+            <File>
+              <FileName>UART.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\Drivers\src\UART.c</FilePath>
+            </File>
           </Files>
         </Group>
         <Group>