/*!
    \file    system_gd32f10x.h
    \brief   CMSIS Cortex-M3 Device Peripheral Access Layer Header File for
             GD32F10x Device Series
*/

/*  Copyright (c) 2012 ARM LIMITED
    Copyright (c) 2024, GigaDevice Semiconductor Inc.

    All rights reserved.

    Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice, this 
       list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright notice, 
       this list of conditions and the following disclaimer in the documentation 
       and/or other materials provided with the distribution.
    3. Neither the name of the copyright holder nor the names of its contributors 
       may be used to endorse or promote products derived from this software without 
       specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.
*/

/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */

#ifndef SYSTEM_GD32F10X_H
#define SYSTEM_GD32F10X_H

#ifdef __cplusplus
extern "C" {
#endif

#include <stdint.h>

/* firmware version can be aquired by uncommenting the macro */
#define __FIRMWARE_VERSION_DEFINE

/* system clock frequency (core clock) */
extern uint32_t SystemCoreClock;

/* function declarations */
/* initialize the system and update the SystemCoreClock variable */
extern void SystemInit(void);
/* update the SystemCoreClock with current core clock retrieved from cpu registers */
extern void SystemCoreClockUpdate(void);
#ifdef __FIRMWARE_VERSION_DEFINE
/* get firmware version */
extern uint32_t gd32f10x_firmware_version_get(void);
#endif /* __FIRMWARE_VERSION_DEFINE */

#ifdef __cplusplus
}
#endif

#endif /* SYSTEM_GD32F10X_H */
