diff --git a/main.h b/main.h
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--- /dev/null
+++ b/main.h
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+/**
+  ******************************************************************************
+  * @file    main.h 
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    29-July-2013
+  * @brief   Header for main.c module
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
+  *
+  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+  * You may not use this file except in compliance with the License.
+  * You may obtain a copy of the License at:
+  *
+  *        http://www.st.com/software_license_agreement_liberty_v2
+  *
+  * Unless required by applicable law or agreed to in writing, software 
+  * distributed under the License is distributed on an "AS IS" BASIS, 
+  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  * See the License for the specific language governing permissions and
+  * limitations under the License.
+  *
+  ******************************************************************************
+  */ 
+  
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __MAIN_H
+#define __MAIN_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l1xx.h"
+#include "stm32l100c_discovery.h"
+/* Exported types ------------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Exported functions ------------------------------------------------------- */
+void TimingDelay_Decrement(void);
+void Delay(__IO uint32_t nTime);
+
+#endif /* __MAIN_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/