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, */ 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 _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_ */