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86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
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/**
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* \file
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*
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* \brief Provides the low-level initialization functions that called
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* on chip startup.
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*
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* Copyright (c) 2011-2012 Atmel Corporation. All rights reserved.
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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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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_SAM3X_H_INCLUDED
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#define SYSTEM_SAM3X_H_INCLUDED
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/* @cond 0 */
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/**INDENT-OFF**/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**INDENT-ON**/
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/* @endcond */
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#include <stdint.h>
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extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
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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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void SystemInit(void);
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/**
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* @brief Updates the SystemCoreClock with current core Clock
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* retrieved from cpu registers.
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*/
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void SystemCoreClockUpdate(void);
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/**
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* Initialize flash.
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*/
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void system_init_flash(uint32_t ul_clk);
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/* @cond 0 */
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/**INDENT-OFF**/
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#ifdef __cplusplus
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}
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#endif
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/**INDENT-ON**/
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/* @endcond */
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#endif /* SYSTEM_SAM3X_H_INCLUDED */
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