--- /dev/null
+/******************************************************************************\r
+ * @file: system_LPC17xx.h\r
+ * @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Header File\r
+ * for the NXP LPC17xx Device Series \r
+ * @version: V1.0\r
+ * @date: 25. Nov. 2008\r
+ *----------------------------------------------------------------------------\r
+ *\r
+ * Copyright (C) 2008 ARM Limited. All rights reserved.\r
+ *\r
+ * ARM Limited (ARM) is supplying this software for use with Cortex-M3 \r
+ * processor based microcontrollers. This file can be freely distributed \r
+ * within development tools that are supporting such ARM based processors. \r
+ *\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
+extern uint32_t SystemFrequency; /*!< 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 SystemFrequency variable.\r
+ */\r
+extern void SystemInit (void);\r
+#endif\r