SAMV71 Xplained Ultra Software Package 1.3

pmc.h

00001 /* ----------------------------------------------------------------------------
00002  *         SAM Software Package License
00003  * ----------------------------------------------------------------------------
00004  * Copyright (c) 2012, Atmel Corporation
00005  *
00006  * All rights reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions are met:
00010  *
00011  * - Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the disclaimer below.
00013  *
00014  * Atmel's name may not be used to endorse or promote products derived from
00015  * this software without specific prior written permission.
00016  *
00017  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00019  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
00020  * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00022  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
00023  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00024  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00025  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
00026  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  * ----------------------------------------------------------------------------
00028  */
00029 
00030 #ifndef _PMC_
00031 #define _PMC_
00032 
00033 /*----------------------------------------------------------------------------
00034  *        Headers
00035  *----------------------------------------------------------------------------*/
00036 #include <stdint.h>
00037 
00038 
00039 /*----------------------------------------------------------------------------
00040  *        Definitions
00041  *----------------------------------------------------------------------------*/
00042 /* Definition for fast RC frequency */
00043 #define FAST_RC_4MHZ     CKGR_MOR_MOSCRCF_4MHz
00044 #define FAST_RC_8MHZ     CKGR_MOR_MOSCRCF_8MHz
00045 #define FAST_RC_12MHZ    CKGR_MOR_MOSCRCF_12MHz
00046 
00047 /* Definitions for startup count.
00048  * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us
00049  */
00050 /* Default startup count for 4/8/12MHz fast RC (startup time: 10us ) */
00051 #define DEFAUTL_FAST_RC_COUNT    1
00052 /* Default startup count for 3-20MHz main oscillator (startup time: 1.4ms ) */
00053 #define DEFAUTL_MAIN_OSC_COUNT   8
00054 /* Default startup count for PLLA (startup time: 200us ) */
00055 #define DEFAUTL_PLLA_COUNT       1
00056 /* Default startup count for UPLL */
00057 #define DEFAUTL_UPLL_COUNT       3
00058 /* No change for default startup count */
00059 #define DEFAUTL_COUNT_NO_CHANGE  0xFFFF
00060 
00061 
00062 /*----------------------------------------------------------------------------
00063  *        Exported functions
00064  *----------------------------------------------------------------------------*/
00065 
00066 #ifdef __cplusplus
00067  extern "C" {
00068 #endif
00069 
00070 extern void PMC_EnablePeripheral( uint32_t dwId ) ;
00071 extern void PMC_DisablePeripheral( uint32_t dwId ) ;
00072 
00073 extern void PMC_EnableAllPeripherals( void ) ;
00074 extern void PMC_DisableAllPeripherals( void ) ;
00075 
00076 extern uint32_t PMC_IsPeriphEnabled( uint32_t dwId ) ;
00077 
00078 extern void PMC_SelectExtOsc(void);
00079 extern void PMC_EnableExtOsc(void);
00080 extern void PMC_DisableExtOsc(void);
00081 extern void PMC_SelectExtBypassOsc(void);
00082 extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq);
00083 extern void PMC_DisableIntRC4_8_12MHz(void);
00084 extern void PMC_SetPllaClock(uint32_t mul, uint32_t div);
00085 extern void PMC_SetPllbClock(uint32_t mul, uint32_t div);
00086 extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler);
00087 extern void PMC_DisableAllClocks(void);
00088 extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div, 
00089         uint32_t prescaler);
00090 extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div, 
00091         uint32_t prescaler);
00092 extern void PMC_EnableXT32KFME(void);
00093 extern void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler);
00094 extern void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler);
00095 extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler);
00096 
00097 #ifdef __cplusplus
00098 }
00099 #endif
00100 
00101 #endif /* #ifndef _PMC_ */
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