66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*************************************************************************//**
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* @file system_RP2040.h
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* @brief CMSIS-Core(M) Device Peripheral Access Layer Header File for
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* Device RP2040
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* @version V1.0.0
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* @date 5. May 2021
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*****************************************************************************/
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/*
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* Copyright (c) 2009-2021 Arm Limited. All rights reserved.
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* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _CMSIS_SYSTEM_RP2040_H
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#define _CMSIS_SYSTEM_RP2040_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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\brief Exception / Interrupt Handler Function Prototype
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*/
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typedef void(*VECTOR_TABLE_Type)(void);
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/**
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\brief System Clock Frequency (Core Clock)
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*/
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extern uint32_t SystemCoreClock;
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/**
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\brief Setup the microcontroller system.
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Initialize the System and update the SystemCoreClock variable.
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*/
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extern void SystemInit (void);
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/**
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\brief Update SystemCoreClock variable.
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Updates the SystemCoreClock with current core Clock retrieved from cpu registers.
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*/
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extern void SystemCoreClockUpdate (void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CMSIS_SYSTEM_RP2040_H */
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