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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/**
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* \file
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*
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* \brief Low-level initialization functions called upon chip startup
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*
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* Copyright (c) 2018 Microchip Technology Inc.
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*
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* \asf_license_start
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*
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* \page License
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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 Licence at
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*
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* http://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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* \asf_license_stop
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*
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*/
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#ifndef _SYSTEM_SAMD21_H_INCLUDED_
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#define _SYSTEM_SAMD21_H_INCLUDED_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
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void SystemInit(void);
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void SystemCoreClockUpdate(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SYSTEM_SAMD21_H_INCLUDED */
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