+/**************************************************************************//**\r
+ * @file system_LPC17xx.h\r
+ * @brief CMSIS Cortex-M3 Device Peripheral Access Layer Header File\r
+ * for the NXP LPC17xx Device Series\r
+ * @version V1.02\r
+ * @date 08. September 2009\r
+ *\r
+ * @note\r
+ * Copyright (C) 2009 ARM Limited. All rights reserved.\r
+ *\r
+ * @par\r
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M\r
+ * processor based microcontrollers. This file can be freely distributed\r
+ * within development tools that are supporting such ARM based processors.\r
+ *\r
+ * @par\r
+ * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED\r
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.\r
+ * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR\r
+ * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.\r
+ *\r
+ ******************************************************************************/\r
+\r
+\r
+#ifndef __SYSTEM_LPC17xx_H\r
+#define __SYSTEM_LPC17xx_H\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+#include <stdint.h>\r
+\r
+extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */\r
+\r
+\r
+/**\r
+ * Initialize the system\r
+ *\r
+ * @param none\r
+ * @return none\r
+ *\r
+ * @brief Setup the microcontroller system.\r
+ * Initialize the System and update the SystemCoreClock variable.\r
+ */\r
+extern void SystemInit (void);\r
+\r
+/**\r
+ * Update SystemCoreClock variable\r
+ *\r
+ * @param none\r
+ * @return none\r
+ *\r
+ * @brief Updates the SystemCoreClock with current core Clock\r
+ * retrieved from cpu registers.\r
+ */\r
+extern void SystemCoreClockUpdate (void);\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /* __SYSTEM_LPC17xx_H */\r