pmc.h

/* ---------------------------------------------------------------------------- */
/*                  Atmel Microcontroller Software Support                      */
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/* Copyright (c) 2015, Atmel Corporation                                        */
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/* ---------------------------------------------------------------------------- */

#ifndef _PMC_
#define _PMC_

/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/
#include <stdint.h>


/*----------------------------------------------------------------------------
 *        Definitions
 *----------------------------------------------------------------------------*/
/* Definition for fast RC frequency */
#define FAST_RC_4MHZ     CKGR_MOR_MOSCRCF_4MHz
#define FAST_RC_8MHZ     CKGR_MOR_MOSCRCF_8MHz
#define FAST_RC_12MHZ    CKGR_MOR_MOSCRCF_12MHz

/* Definitions for startup count.
 * Note: 1 count unit stand for: 1 / 32768 * 8 = 244 us
 */
/* Default startup count for 4/8/12MHz fast RC (startup time: 10us) */
#define DEFAUTL_FAST_RC_COUNT    1
/* Default startup count for 3-20MHz main oscillator (startup time: 1.4ms) */
#define DEFAUTL_MAIN_OSC_COUNT   8
/* Default startup count for PLLA (startup time: 200us) */
#define DEFAUTL_PLLA_COUNT       1
/* Default startup count for UPLL */
#define DEFAUTL_UPLL_COUNT       3
/* No change for default startup count */
#define DEFAUTL_COUNT_NO_CHANGE  0xFFFF


/*----------------------------------------------------------------------------
 *        Exported functions
 *----------------------------------------------------------------------------*/

#ifdef __cplusplus
extern "C" {
#endif

extern void PMC_EnablePeripheral(uint32_t dwId);
extern void PMC_DisablePeripheral(uint32_t dwId);

extern void PMC_EnableAllPeripherals(void);
extern void PMC_DisableAllPeripherals(void);

extern uint32_t PMC_IsPeriphEnabled(uint32_t dwId);

extern void PMC_SelectExtOsc(void);
extern void PMC_EnableExtOsc(void);
extern void PMC_DisableExtOsc(void);
extern void PMC_SelectExtBypassOsc(void);
extern void PMC_EnableIntRC4_8_12MHz(uint32_t fastRcFreq);
extern void PMC_DisableIntRC4_8_12MHz(void);
extern void PMC_SetPllaClock(uint32_t mul, uint32_t div);
extern void PMC_SetPllbClock(uint32_t mul, uint32_t div);
extern void PMC_SetMckSelection(uint32_t clockSource, uint32_t prescaler);
extern void PMC_DisableAllClocks(void);
extern void PMC_ConfigureMckWithPlla(uint32_t mul, uint32_t div,
                                     uint32_t prescaler);
extern void PMC_ConfigureMckWithPllb(uint32_t mul, uint32_t div,
                                     uint32_t prescaler);
extern void PMC_EnableXT32KFME(void);
extern void PMC_ConfigurePCK0(uint32_t MasterClk, uint32_t prescaler);
extern void PMC_ConfigurePCK1(uint32_t MasterClk, uint32_t prescaler);
extern void PMC_ConfigurePCK2(uint32_t MasterClk, uint32_t prescaler);

#ifdef __cplusplus
}
#endif

#endif /* #ifndef _PMC_ */