00001 /* ---------------------------------------------------------------------------- */ 00002 /* Atmel Microcontroller Software Support */ 00003 /* SAM Software Package License */ 00004 /* ---------------------------------------------------------------------------- */ 00005 /* Copyright (c) 2014, 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, */ 00022 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 00023 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 00024 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 00025 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 00026 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 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 */