SAMV71 Xplained Ultra Software Package 1.5

system_samv71.h

00001 /* ---------------------------------------------------------------------------- */
00002 /*                  Atmel Microcontroller Software Support                      */
00003 /*                       SAM Software Package License                           */
00004 /* ---------------------------------------------------------------------------- */
00005 /* Copyright (c) 2015, Atmel Corporation                                        */
00006 /*                                                                              */
00007 /* All rights reserved.                                                         */
00008 /*                                                                              */
00009 /* Redistribution and use in source and binary forms, with or without           */
00010 /* modification, are permitted provided that the following condition is met:    */
00011 /*                                                                              */
00012 /* - Redistributions of source code must retain the above copyright notice,     */
00013 /* this list of conditions and the disclaimer below.                            */
00014 /*                                                                              */
00015 /* Atmel's name may not be used to endorse or promote products derived from     */
00016 /* this software without specific prior written permission.                     */
00017 /*                                                                              */
00018 /* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
00019 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
00020 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
00021 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,      */
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00027 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           */
00028 /* ---------------------------------------------------------------------------- */
00029 
00030 #ifndef SYSTEM_SAMV71_H_INCLUDED
00031 #define SYSTEM_SAMV71_H_INCLUDED
00032 
00033 /* @cond 0 */
00034 /**INDENT-OFF**/
00035 #ifdef __cplusplus
00036 extern "C" {
00037 #endif
00038 /**INDENT-ON**/
00039 /* @endcond */
00040 
00041 #include <stdint.h>
00042 
00043 extern uint32_t SystemCoreClock; /* System Clock Frequency (Core Clock) */
00044 
00045 /**
00046  * @brief Setup the microcontroller system.
00047  * Initialize the System and update the SystemCoreClock variable.
00048  */
00049 void SystemInit(void);
00050 
00051 /**
00052  * @brief Updates the SystemCoreClock with current core Clock
00053  * retrieved from cpu registers.
00054  */
00055 void SystemCoreClockUpdate(void);
00056 
00057 /**
00058  * Initialize flash.
00059  */
00060 void system_init_flash(uint32_t dw_clk);
00061 
00062 void sysclk_enable_usb(void);
00063 void sysclk_disable_usb(void);
00064 
00065 /* @cond 0 */
00066 /**INDENT-OFF**/
00067 #ifdef __cplusplus
00068 }
00069 #endif
00070 /**INDENT-ON**/
00071 /* @endcond */
00072 
00073 #endif /* SYSTEM_SAMV71_H_INCLUDED */
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