diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.axf b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.axf
index ec939d2..4b874de 100644
Binary files a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.axf and b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.axf differ
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.build_log.htm b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.build_log.htm
index c0f09ee..5160803 100644
--- a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.build_log.htm
+++ b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.build_log.htm
@@ -27,14 +27,14 @@ Project File Date:  11/11/2020
 <h2>Output:</h2>
 *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
 Build target 'Simulateur'
-compiling emetteur_rf.c...
+compiling main.c...
 ..\Services\emetteur_rf.h(9): warning:  #1295-D: Deprecated declaration emetteur_rf_init - give arg types
   void emetteur_rf_init();
 ..\Services\emetteur_rf.h(14): warning:  #1-D: last line of file ends without a newline
   #endif
-..\Services\emetteur_rf.c: 2 warnings, 0 errors
+../Src/main.c: 2 warnings, 0 errors
 linking...
-Program Size: Code=2264 RO-data=292 RW-data=20 ZI-data=1028  
+Program Size: Code=2308 RO-data=292 RW-data=20 ZI-data=1028  
 "NUCLEO-F103RB\NUCLEO-F103RB.axf" - 0 Error(s), 2 Warning(s).
 
 <h2>Software Packages used:</h2>
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.htm b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.htm
index 708922b..b8a8a48 100644
--- a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.htm
+++ b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.htm
@@ -3,7 +3,7 @@
 <title>Static Call Graph - [NUCLEO-F103RB\NUCLEO-F103RB.axf]</title></head>
 <body><HR>
 <H1>Static Call Graph for image NUCLEO-F103RB\NUCLEO-F103RB.axf</H1><HR>
-<BR><P>#&#060CALLGRAPH&#062# ARM Linker, 5060750: Last Updated: Wed Nov 11 16:59:22 2020
+<BR><P>#&#060CALLGRAPH&#062# ARM Linker, 5060750: Last Updated: Wed Nov 11 17:20:06 2020
 <BR><P>
 <H3>Maximum Stack Usage =        128 bytes + Unknown(Cycles, Untraceable Function Pointers)</H3><H3>
 Call chain for Maximum Stack Depth:</H3>
@@ -90,7 +90,7 @@ Global Symbols
 <P><STRONG><a name="[37]"></a>__main</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry.o(.ARM.Collect$$$$00000000))
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f103xb.o(.text)
 </UL>
-<P><STRONG><a name="[4d]"></a>_main_stk</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))
+<P><STRONG><a name="[4e]"></a>_main_stk</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))
 
 <P><STRONG><a name="[38]"></a>_main_scatterload</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
 <BR><BR>[Calls]<UL><LI><a href="#[39]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload
@@ -100,15 +100,15 @@ Global Symbols
 <BR><BR>[Called By]<UL><LI><a href="#[39]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload
 </UL>
 
-<P><STRONG><a name="[4e]"></a>_main_clock</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))
+<P><STRONG><a name="[4f]"></a>_main_clock</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))
 
-<P><STRONG><a name="[4f]"></a>_main_cpp_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry8b.o(.ARM.Collect$$$$0000000A))
+<P><STRONG><a name="[50]"></a>_main_cpp_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry8b.o(.ARM.Collect$$$$0000000A))
 
-<P><STRONG><a name="[50]"></a>_main_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry9a.o(.ARM.Collect$$$$0000000B))
+<P><STRONG><a name="[51]"></a>_main_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry9a.o(.ARM.Collect$$$$0000000B))
 
-<P><STRONG><a name="[51]"></a>__rt_final_cpp</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000D))
+<P><STRONG><a name="[52]"></a>__rt_final_cpp</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000D))
 
-<P><STRONG><a name="[52]"></a>__rt_final_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$0000000F))
+<P><STRONG><a name="[53]"></a>__rt_final_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$0000000F))
 
 <P><STRONG><a name="[0]"></a>Reset_Handler</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, startup_stm32f103xb.o(.text))
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f103xb.o(RESET)
@@ -303,7 +303,7 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_main_scatterload
 </UL>
 
-<P><STRONG><a name="[53]"></a>__scatterload_rt2</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)
+<P><STRONG><a name="[54]"></a>__scatterload_rt2</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)
 
 <P><STRONG><a name="[3b]"></a>LL_GPIO_Init</STRONG> (Thumb, 442 bytes, Stack size 24 bytes, stm32f1xx_ll_gpio.o(i.LL_GPIO_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = LL_GPIO_Init
@@ -343,6 +343,12 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;emetteur_rf_init
 </UL>
 
+<P><STRONG><a name="[4d]"></a>LL_mDelay</STRONG> (Thumb, 40 bytes, Stack size 8 bytes, stm32f1xx_ll_utils.o(i.LL_mDelay))
+<BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = LL_mDelay
+</UL>
+<BR>[Called By]<UL><LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
+</UL>
+
 <P><STRONG><a name="[3f]"></a>RCC_GetHCLKClockFreq</STRONG> (Thumb, 24 bytes, Stack size 0 bytes, stm32f1xx_ll_rcc.o(i.RCC_GetHCLKClockFreq))
 <BR><BR>[Called By]<UL><LI><a href="#[3d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LL_RCC_GetSystemClocksFreq
 </UL>
@@ -407,11 +413,11 @@ Global Symbols
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f103xb.o(RESET)
 </UL>
-<P><STRONG><a name="[54]"></a>__scatterload_copy</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)
+<P><STRONG><a name="[55]"></a>__scatterload_copy</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)
 
-<P><STRONG><a name="[55]"></a>__scatterload_null</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)
+<P><STRONG><a name="[56]"></a>__scatterload_null</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)
 
-<P><STRONG><a name="[56]"></a>__scatterload_zeroinit</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)
+<P><STRONG><a name="[57]"></a>__scatterload_zeroinit</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)
 
 <P><STRONG><a name="[3c]"></a>assert_failed</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, main.o(i.assert_failed))
 <BR><BR>[Called By]<UL><LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LL_USART_Init
@@ -434,11 +440,12 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[35]"></a>main</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, main.o(i.main))
+<P><STRONG><a name="[35]"></a>main</STRONG> (Thumb, 28 bytes, Stack size 0 bytes, main.o(i.main))
 <BR><BR>[Stack]<UL><LI>Max Depth = 128<LI>Call Chain = main &rArr; emetteur_rf_init &rArr; LL_USART_Init &rArr; LL_RCC_GetSystemClocksFreq &rArr; RCC_GetSystemClockFreq
 </UL>
 <BR>[Calls]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;emetteur_send_bytes
 <LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;emetteur_rf_init
+<LI><a href="#[4d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;LL_mDelay
 <LI><a href="#[46]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> entry9a.o(.ARM.Collect$$$$0000000B)
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.map b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.map
index a14d164..c4ecb93 100644
--- a/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.map
+++ b/keil_project/MDK-ARM/NUCLEO-F103RB/NUCLEO-F103RB.map
@@ -9,6 +9,7 @@ Section Cross References
     main.o(i.main) refers to main.o(i.SystemClock_Config) for SystemClock_Config
     main.o(i.main) refers to emetteur_rf.o(i.emetteur_rf_init) for emetteur_rf_init
     main.o(i.main) refers to emetteur_rf.o(i.emetteur_send_bytes) for emetteur_send_bytes
+    main.o(i.main) refers to stm32f1xx_ll_utils.o(i.LL_mDelay) for LL_mDelay
     chrono.o(i.Chrono_Background) refers to chrono.o(i.LL_GPIO_IsInputPinSet) for LL_GPIO_IsInputPinSet
     chrono.o(i.Chrono_Background) refers to chrono.o(i.Chrono_Stop) for Chrono_Stop
     chrono.o(i.Chrono_Background) refers to chrono.o(i.Chrono_Start) for Chrono_Start
@@ -212,7 +213,6 @@ Removing Unused input sections from the image.
     Removing stm32f1xx_ll_utils.o(i.LL_RCC_HSI_IsReady), (16 bytes).
     Removing stm32f1xx_ll_utils.o(i.LL_RCC_PLL_ConfigDomain_SYS), (28 bytes).
     Removing stm32f1xx_ll_utils.o(i.LL_RCC_PLL_IsReady), (16 bytes).
-    Removing stm32f1xx_ll_utils.o(i.LL_mDelay), (40 bytes).
     Removing stm32f1xx_ll_utils.o(i.UTILS_EnablePLLAndSwitchSystem), (416 bytes).
     Removing stm32f1xx_ll_utils.o(i.UTILS_GetPLLOutputFrequency), (228 bytes).
     Removing stm32f1xx_ll_utils.o(i.UTILS_PLL_IsBusy), (16 bytes).
@@ -281,7 +281,7 @@ Removing Unused input sections from the image.
     Removing system_stm32f1xx.o(i.SystemCoreClockUpdate), (164 bytes).
     Removing startup_stm32f103xb.o(HEAP), (512 bytes).
 
-116 unused section(s) (total 11190 bytes) removed from the image.
+115 unused section(s) (total 11150 bytes) removed from the image.
 
 ==============================================================================
 
@@ -293,19 +293,19 @@ Image Symbol Table
 
     ../Src/main.c                            0x00000000   Number         0  main.o ABSOLUTE
     ../Src/system_stm32f1xx.c                0x00000000   Number         0  system_stm32f1xx.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry2.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8a.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7a.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry5.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry2.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10a.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11b.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7a.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry5.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9a.o ABSOLUTE
     ..\LLDrivers\src\stm32f1xx_ll_adc.c      0x00000000   Number         0  stm32f1xx_ll_adc.o ABSOLUTE
     ..\LLDrivers\src\stm32f1xx_ll_gpio.c     0x00000000   Number         0  stm32f1xx_ll_gpio.o ABSOLUTE
     ..\LLDrivers\src\stm32f1xx_ll_rcc.c      0x00000000   Number         0  stm32f1xx_ll_rcc.o ABSOLUTE
@@ -356,25 +356,26 @@ Image Symbol Table
     LL_USART_IsEnabled                       0x08000561   Thumb Code    10  stm32f1xx_ll_usart.o(i.LL_USART_IsEnabled)
     i.LL_USART_SetBaudRate                   0x0800056a   Section        0  stm32f1xx_ll_usart.o(i.LL_USART_SetBaudRate)
     LL_USART_SetBaudRate                     0x0800056b   Thumb Code   158  stm32f1xx_ll_usart.o(i.LL_USART_SetBaudRate)
-    i.RCC_GetHCLKClockFreq                   0x08000608   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetHCLKClockFreq)
-    i.RCC_GetPCLK1ClockFreq                  0x08000628   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK1ClockFreq)
-    i.RCC_GetPCLK2ClockFreq                  0x0800064c   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK2ClockFreq)
-    i.RCC_GetSystemClockFreq                 0x08000670   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetSystemClockFreq)
-    i.RCC_PLL_GetFreqDomain_SYS              0x080006ac   Section        0  stm32f1xx_ll_rcc.o(i.RCC_PLL_GetFreqDomain_SYS)
-    i.SystemClock_Config                     0x08000704   Section        0  main.o(i.SystemClock_Config)
-    i.SystemInit                             0x080007f4   Section        0  system_stm32f1xx.o(i.SystemInit)
-    i.TIM1_UP_IRQHandler                     0x0800084c   Section        0  mytimer.o(i.TIM1_UP_IRQHandler)
-    i.TIM2_IRQHandler                        0x08000864   Section        0  mytimer.o(i.TIM2_IRQHandler)
-    i.TIM3_IRQHandler                        0x0800087c   Section        0  mytimer.o(i.TIM3_IRQHandler)
-    i.TIM4_IRQHandler                        0x08000894   Section        0  mytimer.o(i.TIM4_IRQHandler)
-    i.__scatterload_copy                     0x080008ac   Section       14  handlers.o(i.__scatterload_copy)
-    i.__scatterload_null                     0x080008ba   Section        2  handlers.o(i.__scatterload_null)
-    i.__scatterload_zeroinit                 0x080008bc   Section       14  handlers.o(i.__scatterload_zeroinit)
-    i.assert_failed                          0x080008ca   Section        0  main.o(i.assert_failed)
-    i.emetteur_rf_init                       0x080008d0   Section        0  emetteur_rf.o(i.emetteur_rf_init)
-    i.emetteur_send_bytes                    0x0800095c   Section        0  emetteur_rf.o(i.emetteur_send_bytes)
-    i.main                                   0x080009a0   Section        0  main.o(i.main)
-    .constdata                               0x080009c4   Section       24  system_stm32f1xx.o(.constdata)
+    i.LL_mDelay                              0x08000608   Section        0  stm32f1xx_ll_utils.o(i.LL_mDelay)
+    i.RCC_GetHCLKClockFreq                   0x08000630   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetHCLKClockFreq)
+    i.RCC_GetPCLK1ClockFreq                  0x08000650   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK1ClockFreq)
+    i.RCC_GetPCLK2ClockFreq                  0x08000674   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK2ClockFreq)
+    i.RCC_GetSystemClockFreq                 0x08000698   Section        0  stm32f1xx_ll_rcc.o(i.RCC_GetSystemClockFreq)
+    i.RCC_PLL_GetFreqDomain_SYS              0x080006d4   Section        0  stm32f1xx_ll_rcc.o(i.RCC_PLL_GetFreqDomain_SYS)
+    i.SystemClock_Config                     0x0800072c   Section        0  main.o(i.SystemClock_Config)
+    i.SystemInit                             0x0800081c   Section        0  system_stm32f1xx.o(i.SystemInit)
+    i.TIM1_UP_IRQHandler                     0x08000874   Section        0  mytimer.o(i.TIM1_UP_IRQHandler)
+    i.TIM2_IRQHandler                        0x0800088c   Section        0  mytimer.o(i.TIM2_IRQHandler)
+    i.TIM3_IRQHandler                        0x080008a4   Section        0  mytimer.o(i.TIM3_IRQHandler)
+    i.TIM4_IRQHandler                        0x080008bc   Section        0  mytimer.o(i.TIM4_IRQHandler)
+    i.__scatterload_copy                     0x080008d4   Section       14  handlers.o(i.__scatterload_copy)
+    i.__scatterload_null                     0x080008e2   Section        2  handlers.o(i.__scatterload_null)
+    i.__scatterload_zeroinit                 0x080008e4   Section       14  handlers.o(i.__scatterload_zeroinit)
+    i.assert_failed                          0x080008f2   Section        0  main.o(i.assert_failed)
+    i.emetteur_rf_init                       0x080008f8   Section        0  emetteur_rf.o(i.emetteur_rf_init)
+    i.emetteur_send_bytes                    0x08000984   Section        0  emetteur_rf.o(i.emetteur_send_bytes)
+    i.main                                   0x080009c8   Section        0  main.o(i.main)
+    .constdata                               0x080009f0   Section       24  system_stm32f1xx.o(.constdata)
     .data                                    0x20000000   Section       16  mytimer.o(.data)
     .data                                    0x20000010   Section        4  system_stm32f1xx.o(.data)
     STACK                                    0x20000018   Section     1024  startup_stm32f103xb.o(STACK)
@@ -458,28 +459,29 @@ Image Symbol Table
     LL_RCC_GetSystemClocksFreq               0x08000379   Thumb Code    36  stm32f1xx_ll_rcc.o(i.LL_RCC_GetSystemClocksFreq)
     LL_SetSystemCoreClock                    0x0800039d   Thumb Code     6  stm32f1xx_ll_utils.o(i.LL_SetSystemCoreClock)
     LL_USART_Init                            0x080003b1   Thumb Code   376  stm32f1xx_ll_usart.o(i.LL_USART_Init)
-    RCC_GetHCLKClockFreq                     0x08000609   Thumb Code    24  stm32f1xx_ll_rcc.o(i.RCC_GetHCLKClockFreq)
-    RCC_GetPCLK1ClockFreq                    0x08000629   Thumb Code    26  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK1ClockFreq)
-    RCC_GetPCLK2ClockFreq                    0x0800064d   Thumb Code    26  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK2ClockFreq)
-    RCC_GetSystemClockFreq                   0x08000671   Thumb Code    52  stm32f1xx_ll_rcc.o(i.RCC_GetSystemClockFreq)
-    RCC_PLL_GetFreqDomain_SYS                0x080006ad   Thumb Code    76  stm32f1xx_ll_rcc.o(i.RCC_PLL_GetFreqDomain_SYS)
-    SystemClock_Config                       0x08000705   Thumb Code   226  main.o(i.SystemClock_Config)
-    SystemInit                               0x080007f5   Thumb Code    70  system_stm32f1xx.o(i.SystemInit)
-    TIM1_UP_IRQHandler                       0x0800084d   Thumb Code    16  mytimer.o(i.TIM1_UP_IRQHandler)
-    TIM2_IRQHandler                          0x08000865   Thumb Code    18  mytimer.o(i.TIM2_IRQHandler)
-    TIM3_IRQHandler                          0x0800087d   Thumb Code    16  mytimer.o(i.TIM3_IRQHandler)
-    TIM4_IRQHandler                          0x08000895   Thumb Code    16  mytimer.o(i.TIM4_IRQHandler)
-    __scatterload_copy                       0x080008ad   Thumb Code    14  handlers.o(i.__scatterload_copy)
-    __scatterload_null                       0x080008bb   Thumb Code     2  handlers.o(i.__scatterload_null)
-    __scatterload_zeroinit                   0x080008bd   Thumb Code    14  handlers.o(i.__scatterload_zeroinit)
-    assert_failed                            0x080008cb   Thumb Code     4  main.o(i.assert_failed)
-    emetteur_rf_init                         0x080008d1   Thumb Code   122  emetteur_rf.o(i.emetteur_rf_init)
-    emetteur_send_bytes                      0x0800095d   Thumb Code    60  emetteur_rf.o(i.emetteur_send_bytes)
-    main                                     0x080009a1   Thumb Code    22  main.o(i.main)
-    AHBPrescTable                            0x080009c4   Data          16  system_stm32f1xx.o(.constdata)
-    APBPrescTable                            0x080009d4   Data           8  system_stm32f1xx.o(.constdata)
-    Region$$Table$$Base                      0x080009dc   Number         0  anon$$obj.o(Region$$Table)
-    Region$$Table$$Limit                     0x080009fc   Number         0  anon$$obj.o(Region$$Table)
+    LL_mDelay                                0x08000609   Thumb Code    40  stm32f1xx_ll_utils.o(i.LL_mDelay)
+    RCC_GetHCLKClockFreq                     0x08000631   Thumb Code    24  stm32f1xx_ll_rcc.o(i.RCC_GetHCLKClockFreq)
+    RCC_GetPCLK1ClockFreq                    0x08000651   Thumb Code    26  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK1ClockFreq)
+    RCC_GetPCLK2ClockFreq                    0x08000675   Thumb Code    26  stm32f1xx_ll_rcc.o(i.RCC_GetPCLK2ClockFreq)
+    RCC_GetSystemClockFreq                   0x08000699   Thumb Code    52  stm32f1xx_ll_rcc.o(i.RCC_GetSystemClockFreq)
+    RCC_PLL_GetFreqDomain_SYS                0x080006d5   Thumb Code    76  stm32f1xx_ll_rcc.o(i.RCC_PLL_GetFreqDomain_SYS)
+    SystemClock_Config                       0x0800072d   Thumb Code   226  main.o(i.SystemClock_Config)
+    SystemInit                               0x0800081d   Thumb Code    70  system_stm32f1xx.o(i.SystemInit)
+    TIM1_UP_IRQHandler                       0x08000875   Thumb Code    16  mytimer.o(i.TIM1_UP_IRQHandler)
+    TIM2_IRQHandler                          0x0800088d   Thumb Code    18  mytimer.o(i.TIM2_IRQHandler)
+    TIM3_IRQHandler                          0x080008a5   Thumb Code    16  mytimer.o(i.TIM3_IRQHandler)
+    TIM4_IRQHandler                          0x080008bd   Thumb Code    16  mytimer.o(i.TIM4_IRQHandler)
+    __scatterload_copy                       0x080008d5   Thumb Code    14  handlers.o(i.__scatterload_copy)
+    __scatterload_null                       0x080008e3   Thumb Code     2  handlers.o(i.__scatterload_null)
+    __scatterload_zeroinit                   0x080008e5   Thumb Code    14  handlers.o(i.__scatterload_zeroinit)
+    assert_failed                            0x080008f3   Thumb Code     4  main.o(i.assert_failed)
+    emetteur_rf_init                         0x080008f9   Thumb Code   122  emetteur_rf.o(i.emetteur_rf_init)
+    emetteur_send_bytes                      0x08000985   Thumb Code    60  emetteur_rf.o(i.emetteur_send_bytes)
+    main                                     0x080009c9   Thumb Code    28  main.o(i.main)
+    AHBPrescTable                            0x080009f0   Data          16  system_stm32f1xx.o(.constdata)
+    APBPrescTable                            0x08000a00   Data           8  system_stm32f1xx.o(.constdata)
+    Region$$Table$$Base                      0x08000a08   Number         0  anon$$obj.o(Region$$Table)
+    Region$$Table$$Limit                     0x08000a28   Number         0  anon$$obj.o(Region$$Table)
     Ptr_ItFct_TIM1                           0x20000000   Data           4  mytimer.o(.data)
     Ptr_ItFct_TIM2                           0x20000004   Data           4  mytimer.o(.data)
     Ptr_ItFct_TIM3                           0x20000008   Data           4  mytimer.o(.data)
@@ -495,9 +497,9 @@ Memory Map of the image
 
   Image Entry point : 0x080000ed
 
-  Load Region LR_IROM1 (Base: 0x08000000, Size: 0x00000a10, Max: 0x00020000, ABSOLUTE)
+  Load Region LR_IROM1 (Base: 0x08000000, Size: 0x00000a3c, Max: 0x00020000, ABSOLUTE)
 
-    Execution Region ER_IROM1 (Exec base: 0x08000000, Load base: 0x08000000, Size: 0x000009fc, Max: 0x00020000, ABSOLUTE)
+    Execution Region ER_IROM1 (Exec base: 0x08000000, Load base: 0x08000000, Size: 0x00000a28, Max: 0x00020000, ABSOLUTE)
 
     Exec Addr    Load Addr    Size         Type   Attr      Idx    E Section Name        Object
 
@@ -522,36 +524,37 @@ Memory Map of the image
     0x080003b0   0x080003b0   0x000001b0   Code   RO          811    i.LL_USART_Init     stm32f1xx_ll_usart.o
     0x08000560   0x08000560   0x0000000a   Code   RO          812    i.LL_USART_IsEnabled  stm32f1xx_ll_usart.o
     0x0800056a   0x0800056a   0x0000009e   Code   RO          813    i.LL_USART_SetBaudRate  stm32f1xx_ll_usart.o
-    0x08000608   0x08000608   0x00000020   Code   RO          334    i.RCC_GetHCLKClockFreq  stm32f1xx_ll_rcc.o
-    0x08000628   0x08000628   0x00000024   Code   RO          335    i.RCC_GetPCLK1ClockFreq  stm32f1xx_ll_rcc.o
-    0x0800064c   0x0800064c   0x00000024   Code   RO          336    i.RCC_GetPCLK2ClockFreq  stm32f1xx_ll_rcc.o
-    0x08000670   0x08000670   0x0000003c   Code   RO          337    i.RCC_GetSystemClockFreq  stm32f1xx_ll_rcc.o
-    0x080006ac   0x080006ac   0x00000058   Code   RO          338    i.RCC_PLL_GetFreqDomain_SYS  stm32f1xx_ll_rcc.o
-    0x08000704   0x08000704   0x000000f0   Code   RO            4    i.SystemClock_Config  main.o
-    0x080007f4   0x080007f4   0x00000058   Code   RO          881    i.SystemInit        system_stm32f1xx.o
-    0x0800084c   0x0800084c   0x00000018   Code   RO          227    i.TIM1_UP_IRQHandler  mytimer.o
-    0x08000864   0x08000864   0x00000018   Code   RO          228    i.TIM2_IRQHandler   mytimer.o
-    0x0800087c   0x0800087c   0x00000018   Code   RO          229    i.TIM3_IRQHandler   mytimer.o
-    0x08000894   0x08000894   0x00000018   Code   RO          230    i.TIM4_IRQHandler   mytimer.o
-    0x080008ac   0x080008ac   0x0000000e   Code   RO          942    i.__scatterload_copy  mc_w.l(handlers.o)
-    0x080008ba   0x080008ba   0x00000002   Code   RO          943    i.__scatterload_null  mc_w.l(handlers.o)
-    0x080008bc   0x080008bc   0x0000000e   Code   RO          944    i.__scatterload_zeroinit  mc_w.l(handlers.o)
-    0x080008ca   0x080008ca   0x00000004   Code   RO            5    i.assert_failed     main.o
-    0x080008ce   0x080008ce   0x00000002   PAD
-    0x080008d0   0x080008d0   0x0000008c   Code   RO          177    i.emetteur_rf_init  emetteur_rf.o
-    0x0800095c   0x0800095c   0x00000044   Code   RO          178    i.emetteur_send_bytes  emetteur_rf.o
-    0x080009a0   0x080009a0   0x00000024   Code   RO            6    i.main              main.o
-    0x080009c4   0x080009c4   0x00000018   Data   RO          882    .constdata          system_stm32f1xx.o
-    0x080009dc   0x080009dc   0x00000020   Data   RO          940    Region$$Table       anon$$obj.o
+    0x08000608   0x08000608   0x00000028   Code   RO          420    i.LL_mDelay         stm32f1xx_ll_utils.o
+    0x08000630   0x08000630   0x00000020   Code   RO          334    i.RCC_GetHCLKClockFreq  stm32f1xx_ll_rcc.o
+    0x08000650   0x08000650   0x00000024   Code   RO          335    i.RCC_GetPCLK1ClockFreq  stm32f1xx_ll_rcc.o
+    0x08000674   0x08000674   0x00000024   Code   RO          336    i.RCC_GetPCLK2ClockFreq  stm32f1xx_ll_rcc.o
+    0x08000698   0x08000698   0x0000003c   Code   RO          337    i.RCC_GetSystemClockFreq  stm32f1xx_ll_rcc.o
+    0x080006d4   0x080006d4   0x00000058   Code   RO          338    i.RCC_PLL_GetFreqDomain_SYS  stm32f1xx_ll_rcc.o
+    0x0800072c   0x0800072c   0x000000f0   Code   RO            4    i.SystemClock_Config  main.o
+    0x0800081c   0x0800081c   0x00000058   Code   RO          881    i.SystemInit        system_stm32f1xx.o
+    0x08000874   0x08000874   0x00000018   Code   RO          227    i.TIM1_UP_IRQHandler  mytimer.o
+    0x0800088c   0x0800088c   0x00000018   Code   RO          228    i.TIM2_IRQHandler   mytimer.o
+    0x080008a4   0x080008a4   0x00000018   Code   RO          229    i.TIM3_IRQHandler   mytimer.o
+    0x080008bc   0x080008bc   0x00000018   Code   RO          230    i.TIM4_IRQHandler   mytimer.o
+    0x080008d4   0x080008d4   0x0000000e   Code   RO          942    i.__scatterload_copy  mc_w.l(handlers.o)
+    0x080008e2   0x080008e2   0x00000002   Code   RO          943    i.__scatterload_null  mc_w.l(handlers.o)
+    0x080008e4   0x080008e4   0x0000000e   Code   RO          944    i.__scatterload_zeroinit  mc_w.l(handlers.o)
+    0x080008f2   0x080008f2   0x00000004   Code   RO            5    i.assert_failed     main.o
+    0x080008f6   0x080008f6   0x00000002   PAD
+    0x080008f8   0x080008f8   0x0000008c   Code   RO          177    i.emetteur_rf_init  emetteur_rf.o
+    0x08000984   0x08000984   0x00000044   Code   RO          178    i.emetteur_send_bytes  emetteur_rf.o
+    0x080009c8   0x080009c8   0x00000028   Code   RO            6    i.main              main.o
+    0x080009f0   0x080009f0   0x00000018   Data   RO          882    .constdata          system_stm32f1xx.o
+    0x08000a08   0x08000a08   0x00000020   Data   RO          940    Region$$Table       anon$$obj.o
 
 
-    Execution Region RW_IRAM1 (Exec base: 0x20000000, Load base: 0x080009fc, Size: 0x00000418, Max: 0x00005000, ABSOLUTE)
+    Execution Region RW_IRAM1 (Exec base: 0x20000000, Load base: 0x08000a28, Size: 0x00000418, Max: 0x00005000, ABSOLUTE)
 
     Exec Addr    Load Addr    Size         Type   Attr      Idx    E Section Name        Object
 
-    0x20000000   0x080009fc   0x00000010   Data   RW          232    .data               mytimer.o
-    0x20000010   0x08000a0c   0x00000004   Data   RW          883    .data               system_stm32f1xx.o
-    0x20000014   0x08000a10   0x00000004   PAD
+    0x20000000   0x08000a28   0x00000010   Data   RW          232    .data               mytimer.o
+    0x20000010   0x08000a38   0x00000004   Data   RW          883    .data               system_stm32f1xx.o
+    0x20000014   0x08000a3c   0x00000004   PAD
     0x20000018        -       0x00000400   Zero   RW          914    STACK               startup_stm32f103xb.o
 
 
@@ -564,17 +567,17 @@ Image component sizes
 
          0          0          0          0          0       2520   chrono.o
        236         30          0          0          0      21985   emetteur_rf.o
-       280         28          0          0          0     356196   main.o
+       284         26          0          0          0     356200   main.o
        104         30          0         16          0      27113   mytimer.o
         36          8        236          0       1024        772   startup_stm32f103xb.o
        504         62          0          0          0      10387   stm32f1xx_ll_gpio.o
        288         48          0          0          0      13117   stm32f1xx_ll_rcc.o
        600         56          0          0          0      24640   stm32f1xx_ll_usart.o
-        40          6          0          0          0       2073   stm32f1xx_ll_utils.o
+        80          6          0          0          0       5133   stm32f1xx_ll_utils.o
         88         18         24          4          0       1147   system_stm32f1xx.o
 
     ----------------------------------------------------------------------
-      2178        286        292         20       1028     459950   Object Totals
+      2222        284        292         20       1028     463014   Object Totals
          0          0         32          0          0          0   (incl. Generated)
          2          0          0          0          4          0   (incl. Padding)
 
@@ -613,15 +616,15 @@ Image component sizes
 
       Code (inc. data)   RO Data    RW Data    ZI Data      Debug   
 
-      2264        302        292         20       1028     459078   Grand Totals
-      2264        302        292         20       1028     459078   ELF Image Totals
-      2264        302        292         20          0          0   ROM Totals
+      2308        300        292         20       1028     462142   Grand Totals
+      2308        300        292         20       1028     462142   ELF Image Totals
+      2308        300        292         20          0          0   ROM Totals
 
 ==============================================================================
 
-    Total RO  Size (Code + RO Data)                 2556 (   2.50kB)
+    Total RO  Size (Code + RO Data)                 2600 (   2.54kB)
     Total RW  Size (RW Data + ZI Data)              1048 (   1.02kB)
-    Total ROM Size (Code + RO Data + RW Data)       2576 (   2.52kB)
+    Total ROM Size (Code + RO Data + RW Data)       2620 (   2.56kB)
 
 ==============================================================================
 
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/Project_Simulateur.dep b/keil_project/MDK-ARM/NUCLEO-F103RB/Project_Simulateur.dep
index 8539c46..618da51 100644
--- a/keil_project/MDK-ARM/NUCLEO-F103RB/Project_Simulateur.dep
+++ b/keil_project/MDK-ARM/NUCLEO-F103RB/Project_Simulateur.dep
@@ -1,6 +1,6 @@
 Dependencies for Project 'Project', Target 'Simulateur': (DO NOT MODIFY !)
 CompilerVersion: 5060750::V5.06 update 6 (build 750)::ARMCC
-F (../Src/main.c)(0x5FAC0A56)(-c --cpu Cortex-M3 -D__EVAL -D__MICROLIB -g -O0 --apcs=interwork --split_sections -I ..\Inc -I ..\LLDrivers\inc -I ..\Services -I ..\MyDrivers -I ..\MDK-ARM --C99-I.\RTE\_Simulateur-IC:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include-IC:\Users\momof\AppData\Local\Arm\Packs\Keil\STM32F1xx_DFP\2.3.0\Device\Include-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F10X_MD -DSTM32F103xB -DUSE_FULL_LL_DRIVER -DHSE_VALUE="8000000U" -DUSE_FULL_ASSERT-o nucleo-f103rb\main.o --omf_browse nucleo-f103rb\main.crf --depend nucleo-f103rb\main.d)
+F (../Src/main.c)(0x5FAC0F30)(-c --cpu Cortex-M3 -D__EVAL -D__MICROLIB -g -O0 --apcs=interwork --split_sections -I ..\Inc -I ..\LLDrivers\inc -I ..\Services -I ..\MyDrivers -I ..\MDK-ARM --C99-I.\RTE\_Simulateur-IC:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include-IC:\Users\momof\AppData\Local\Arm\Packs\Keil\STM32F1xx_DFP\2.3.0\Device\Include-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F10X_MD -DSTM32F103xB -DUSE_FULL_LL_DRIVER -DHSE_VALUE="8000000U" -DUSE_FULL_ASSERT-o nucleo-f103rb\main.o --omf_browse nucleo-f103rb\main.crf --depend nucleo-f103rb\main.d)
 I (..\LLDrivers\inc\stm32f1xx_ll_rcc.h)(0x5F8402DF)
 I (..\Inc\stm32f1xx.h)(0x5F8402DF)
 I (..\Inc\stm32f103xb.h)(0x5F8402DF)
@@ -13,7 +13,7 @@ I (..\Inc\system_stm32f1xx.h)(0x5F8402DF)
 I (..\LLDrivers\inc\stm32f1xx_ll_utils.h)(0x5F8402E0)
 I (..\LLDrivers\inc\stm32f1xx_ll_system.h)(0x5F8402E0)
 I (..\Services\Chrono.h)(0x5F8402E0)
-I (..\Services\emetteur_rf.h)(0x5FAC06CC)
+I (..\Services\emetteur_rf.h)(0x5FAC0E5E)
 I (..\LLDrivers\inc\stm32f1xx_ll_bus.h)(0x5F8402DF)
 I (..\LLDrivers\inc\stm32f1xx_ll_usart.h)(0x5F8402E0)
 I (..\LLDrivers\inc\stm32f1xx_ll_gpio.h)(0x5F8402DF)
@@ -30,8 +30,8 @@ I (..\MyDrivers\MyTimer.h)(0x5F8402E0)
 I (..\LLDrivers\inc\stm32f1xx_ll_gpio.h)(0x5F8402DF)
 I (..\Inc\stm32f1xx.h)(0x5F8402DF)
 I (..\LLDrivers\inc\stm32f1xx_ll_bus.h)(0x5F8402DF)
-F (..\Services\emetteur_rf.c)(0x5FAC0A46)(-c --cpu Cortex-M3 -D__EVAL -D__MICROLIB -g -O0 --apcs=interwork --split_sections -I ..\Inc -I ..\LLDrivers\inc -I ..\Services -I ..\MyDrivers -I ..\MDK-ARM --C99-I.\RTE\_Simulateur-IC:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include-IC:\Users\momof\AppData\Local\Arm\Packs\Keil\STM32F1xx_DFP\2.3.0\Device\Include-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F10X_MD -DSTM32F103xB -DUSE_FULL_LL_DRIVER -DHSE_VALUE="8000000U" -DUSE_FULL_ASSERT-o nucleo-f103rb\emetteur_rf.o --omf_browse nucleo-f103rb\emetteur_rf.crf --depend nucleo-f103rb\emetteur_rf.d)
-I (..\Services\emetteur_rf.h)(0x5FAC06CC)
+F (..\Services\emetteur_rf.c)(0x5FAC0F02)(-c --cpu Cortex-M3 -D__EVAL -D__MICROLIB -g -O0 --apcs=interwork --split_sections -I ..\Inc -I ..\LLDrivers\inc -I ..\Services -I ..\MyDrivers -I ..\MDK-ARM --C99-I.\RTE\_Simulateur-IC:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include-IC:\Users\momof\AppData\Local\Arm\Packs\Keil\STM32F1xx_DFP\2.3.0\Device\Include-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F10X_MD -DSTM32F103xB -DUSE_FULL_LL_DRIVER -DHSE_VALUE="8000000U" -DUSE_FULL_ASSERT-o nucleo-f103rb\emetteur_rf.o --omf_browse nucleo-f103rb\emetteur_rf.crf --depend nucleo-f103rb\emetteur_rf.d)
+I (..\Services\emetteur_rf.h)(0x5FAC0E5E)
 I (..\LLDrivers\inc\stm32f1xx_ll_bus.h)(0x5F8402DF)
 I (..\Inc\stm32f1xx.h)(0x5F8402DF)
 I (..\Inc\stm32f103xb.h)(0x5F8402DF)
@@ -43,7 +43,7 @@ I (C:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include\cms
 I (..\Inc\system_stm32f1xx.h)(0x5F8402DF)
 I (..\LLDrivers\inc\stm32f1xx_ll_usart.h)(0x5F8402E0)
 I (..\LLDrivers\inc\stm32f1xx_ll_gpio.h)(0x5F8402DF)
-F (..\Services\emetteur_rf.h)(0x5FAC06CC)()
+F (..\Services\emetteur_rf.h)(0x5FAC0E5E)()
 F (..\MyDrivers\MyTimer.c)(0x5F8402E0)(-c --cpu Cortex-M3 -D__EVAL -D__MICROLIB -g -O0 --apcs=interwork --split_sections -I ..\Inc -I ..\LLDrivers\inc -I ..\Services -I ..\MyDrivers -I ..\MDK-ARM --C99-I.\RTE\_Simulateur-IC:\Users\momof\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include-IC:\Users\momof\AppData\Local\Arm\Packs\Keil\STM32F1xx_DFP\2.3.0\Device\Include-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F10X_MD -DSTM32F103xB -DUSE_FULL_LL_DRIVER -DHSE_VALUE="8000000U" -DUSE_FULL_ASSERT-o nucleo-f103rb\mytimer.o --omf_browse nucleo-f103rb\mytimer.crf --depend nucleo-f103rb\mytimer.d)
 I (..\MyDrivers\MyTimer.h)(0x5F8402E0)
 I (..\Inc\stm32f103xb.h)(0x5F8402DF)
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.crf b/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.crf
index 1f25a6f..b898600 100644
Binary files a/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.crf and b/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.crf differ
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.o b/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.o
index 8e1c8aa..3f4e09a 100644
Binary files a/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.o and b/keil_project/MDK-ARM/NUCLEO-F103RB/emetteur_rf.o differ
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/main.crf b/keil_project/MDK-ARM/NUCLEO-F103RB/main.crf
index 4a7a66f..2f0a2e1 100644
Binary files a/keil_project/MDK-ARM/NUCLEO-F103RB/main.crf and b/keil_project/MDK-ARM/NUCLEO-F103RB/main.crf differ
diff --git a/keil_project/MDK-ARM/NUCLEO-F103RB/main.o b/keil_project/MDK-ARM/NUCLEO-F103RB/main.o
index 3a99d23..3b0d981 100644
Binary files a/keil_project/MDK-ARM/NUCLEO-F103RB/main.o and b/keil_project/MDK-ARM/NUCLEO-F103RB/main.o differ
diff --git a/keil_project/MDK-ARM/Project.uvguix.momof b/keil_project/MDK-ARM/Project.uvguix.momof
index 81cbf5a..0e7ae90 100644
--- a/keil_project/MDK-ARM/Project.uvguix.momof
+++ b/keil_project/MDK-ARM/Project.uvguix.momof
@@ -112,8 +112,8 @@
       <flags>2</flags>
       <showCmd>3</showCmd>
       <MinPosition>
-        <xPos>-32000</xPos>
-        <yPos>-32000</yPos>
+        <xPos>-1</xPos>
+        <yPos>-1</yPos>
       </MinPosition>
       <MaxPosition>
         <xPos>-1</xPos>
@@ -129,8 +129,8 @@
     <MDIClientArea>
       <RegID>0</RegID>
       <MDITabState>
-        <Len>592</Len>
-        <Data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ata>
+        <Len>842</Len>
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           <Len>583</Len>
@@ -3598,7 +3598,7 @@
         <Name>Debug</Name>
         <Buttons>
           <Len>2362</Len>
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         <OriginalItems>
           <Len>898</Len>
@@ -3622,11 +3622,11 @@
     <ActiveMDIGroup>0</ActiveMDIGroup>
     <MDIGroup>
       <Size>100</Size>
-      <ActiveTab>1</ActiveTab>
+      <ActiveTab>5</ActiveTab>
       <Doc>
         <Name>startup_stm32f103xb.s</Name>
         <ColumnNumber>0</ColumnNumber>
-        <TopLine>122</TopLine>
+        <TopLine>125</TopLine>
         <CurrentLine>133</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
@@ -3634,17 +3634,17 @@
       </Doc>
       <Doc>
         <Name>../Src/main.c</Name>
-        <ColumnNumber>45</ColumnNumber>
-        <TopLine>25</TopLine>
-        <CurrentLine>48</CurrentLine>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>38</TopLine>
+        <CurrentLine>46</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>
       </Doc>
       <Doc>
         <Name>..\Services\emetteur_rf.c</Name>
-        <ColumnNumber>50</ColumnNumber>
-        <TopLine>1</TopLine>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>18</TopLine>
         <CurrentLine>49</CurrentLine>
         <Folding>1</Folding>
         <ContractedFolders></ContractedFolders>
@@ -3659,6 +3659,24 @@
         <ContractedFolders></ContractedFolders>
         <PaneID>0</PaneID>
       </Doc>
+      <Doc>
+        <Name>..\LLDrivers\src\stm32f1xx_ll_utils.c</Name>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>191</TopLine>
+        <CurrentLine>199</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
+      <Doc>
+        <Name>..\LLDrivers\inc\stm32f1xx_ll_usart.h</Name>
+        <ColumnNumber>0</ColumnNumber>
+        <TopLine>1855</TopLine>
+        <CurrentLine>1863</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
     </MDIGroup>
   </MDIGroups>
 
diff --git a/keil_project/MDK-ARM/Project.uvoptx b/keil_project/MDK-ARM/Project.uvoptx
index faa90cf..57c22f4 100644
--- a/keil_project/MDK-ARM/Project.uvoptx
+++ b/keil_project/MDK-ARM/Project.uvoptx
@@ -377,7 +377,7 @@
           <Type>0</Type>
           <LineNumber>46</LineNumber>
           <EnabledFlag>1</EnabledFlag>
-          <Address>134220196</Address>
+          <Address>134220236</Address>
           <ByteObject>0</ByteObject>
           <HtxType>0</HtxType>
           <ManyObjects>0</ManyObjects>
diff --git a/keil_project/Services/emetteur_rf.c b/keil_project/Services/emetteur_rf.c
index c887593..31e5a1c 100644
--- a/keil_project/Services/emetteur_rf.c
+++ b/keil_project/Services/emetteur_rf.c
@@ -46,7 +46,7 @@ void emetteur_send_bytes(USART_TypeDef * uart_port,char* buf, int len){
 	for(int i = 0; i < len; i++){
 		LL_GPIO_SetOutputPin(GPIOA,LL_GPIO_PIN_11);
 		LL_USART_TransmitData8(uart_port, buf[i]);
-		LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_11);	
 		while(!LL_USART_IsActiveFlag_TXE(uart_port));	
+		LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_11);	
 	}	
 }
diff --git a/keil_project/Src/main.c b/keil_project/Src/main.c
index f7315ee..c98ac4a 100644
--- a/keil_project/Src/main.c
+++ b/keil_project/Src/main.c
@@ -46,6 +46,7 @@ int main(void)
 	emetteur_rf_init();
 	while(1){
 		emetteur_send_bytes(USART1, "Coucou", 6);
+		LL_mDelay(500);
 	}
 }
 
