/*********************************************************************************************************************
 * @file     system_XMC4800.h
 * @brief    Device specific initialization for the XMC4800-Series according to CMSIS
 * @version  V1.0
 * @date     22 May 2015
 *
 * @cond
 *********************************************************************************************************************
 * Copyright (c) 2015-2020, Infineon Technologies AG
 * All rights reserved.                        
 *                                             
 * Boost Software License - Version 1.0 - August 17th, 2003
 * 
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 * 
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *                                                                              
 * To improve the quality of the software, users are encouraged to share 
 * modifications, enhancements or bug fixes with Infineon Technologies AG 
 * at XMCSupport@infineon.com.
 *********************************************************************************************************************
 *
 **************************** Change history *********************************
 * V1.0, 22 May 2015, JFT, Initial version
 *****************************************************************************
 * @endcond 
 */

#ifndef SYSTEM_XMC4800_H
#define SYSTEM_XMC4800_H

/*******************************************************************************
 * HEADER FILES
 *******************************************************************************/

#include <stdint.h>

/*******************************************************************************
 * MACROS
 *******************************************************************************/

#define	OFI_FREQUENCY        (24000000UL)  /**< 24MHz Backup Clock (fOFI) frequency. */
#define OSI_FREQUENCY        (32768UL)    /**< 32KHz Internal Slow Clock source (fOSI) frequency. */  

/*******************************************************************************
 * GLOBAL VARIABLES
 *******************************************************************************/

extern uint32_t SystemCoreClock;     /*!< System Clock Frequency (Core Clock)  */
extern uint8_t g_chipid[16];

/*******************************************************************************
 * API PROTOTYPES
 *******************************************************************************/

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Initialize the system
 *
 */
void SystemInit(void);

/**
 * @brief Initialize CPU settings
 *
 */
void SystemCoreSetup(void);

/**
 * @brief Initialize clock
 *
 */
void SystemCoreClockSetup(void);

/**
 * @brief Update SystemCoreClock variable
 *
 */
void SystemCoreClockUpdate(void);

/**
 * @brief Returns frequency of the high performace oscillator
 * User needs to overload this function to return the correct oscillator frequency
 */
uint32_t OSCHP_GetFrequency(void);

#ifdef __cplusplus
}
#endif

#endif