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- /*!
- \file system_gd32vf103.h
- \brief RISC-V Device Peripheral Access Layer Header File for
- GD32VF103 Device Series
- \version 2019-06-05, V1.0.0, firmware for GD32VF103
- \version 2020-08-04, V1.1.0, firmware for GD32VF103
- */
- /*
- Copyright (c) 2020, GigaDevice Semiconductor Inc.
- 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 RISC-V standard, some adjustments are made according to GigaDevice chips */
- #ifndef SYSTEM_GD32VF103_H
- #define SYSTEM_GD32VF103_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <stdint.h>
-
- #if defined (__ICCRISCV__)
- #include "compiler.h"
- #endif
- /* 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 __cplusplus
- }
- #endif
- #endif /* SYSTEM_GD32VF103_H */
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