/******************************************************************************
 * @file:    system_LPC17xx.h
 * @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Header File
 *           for the NXP LPC17xx Device Series
 * @version: V1.03
 * @date:    09. November 2013
 *
 * @note:    Integrated and adopted for RIOT by Oliver Hahm.
 *----------------------------------------------------------------------------
 *
 * Copyright (C) 2009 ARM Limited. All rights reserved.
 * Copyright (C) 2013 Oliver Hahm <oliver.hahm@fu-berlin.de>
 *
 * ARM Limited (ARM) is supplying this software for use with Cortex-M3
 * processor based microcontrollers.  This file can be freely distributed
 * within development tools that are supporting such ARM based processors.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 ******************************************************************************/


#ifndef __SYSTEM_LPC17xx_H
#define __SYSTEM_LPC17xx_H

#ifdef __cplusplus
extern "C" {
#endif

extern uint32_t system_clock;     /*!< System Clock Frequency (Core Clock)  */

/**
 * Initialize the system
 *
 * @brief  Setup the microcontroller system.
 *         Initialize the System and update the SystemCoreClock variable.
 */
extern void board_init(void);

/**
 * Update system_clock variable
 *
 * @brief  Updates the system_clock with current core Clock
 *         retrieved from cpu registers.
 */
extern void clock_update(void);

#ifdef __cplusplus
}
#endif

#endif /* __SYSTEM_LPC17xx_H */