1 files changed, 104 insertions, 0 deletions
diff --git a/os/ext/CMSIS/ST/system_stm32l1xx.h b/os/ext/CMSIS/ST/system_stm32l1xx.h
new file mode 100644
index 000000000..9772b4f43
--- /dev/null
+++ b/os/ext/CMSIS/ST/system_stm32l1xx.h
@@ -0,0 +1,104 @@
+/**
+  ******************************************************************************
+  * @file    system_stm32l1xx.h
+  * @author  MCD Application Team
+  * @version V1.2.0
+  * @date    22-February-2013
+  * @brief   CMSIS Cortex-M3 Device Peripheral Access Layer System Header File.
+  ******************************************************************************
+  * @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.
+  *
+  ******************************************************************************
+  */
+
+/** @addtogroup CMSIS
+  * @{
+  */
+
+/** @addtogroup stm32l1xx_system
+  * @{
+  */  
+  
+/**
+  * @brief Define to prevent recursive inclusion
+  */
+#ifndef __SYSTEM_STM32L1XX_H
+#define __SYSTEM_STM32L1XX_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif 
+
+/** @addtogroup STM32L1xx_System_Includes
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+
+/** @addtogroup STM32L1xx_System_Exported_types
+  * @{
+  */
+
+extern uint32_t SystemCoreClock;          /*!< System Clock Frequency (Core Clock) */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32L1xx_System_Exported_Constants
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32L1xx_System_Exported_Macros
+  * @{
+  */
+
+/**
+  * @}
+  */
+
+/** @addtogroup STM32L1xx_System_Exported_Functions
+  * @{
+  */
+  
+extern void SystemInit(void);
+extern void SystemCoreClockUpdate(void);
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__SYSTEM_STM32L1XX_H */
+
+/**
+  * @}
+  */
+  
+/**
+  * @}
+  */  
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/