hibernate.h

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//*****************************************************************************
//
// hibernate.h - API definition for the Hibernation module.
//
// Copyright (c) 2007-2017 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
//
//   Redistribution and use in source and binary forms, with or without
//   modification, are permitted provided that the following conditions
//   are met:
//
//   Redistributions of source code must retain the above copyright
//   notice, this list of conditions and the following disclaimer.
//
//   Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the
//   distribution.
//
//   Neither the name of Texas Instruments Incorporated nor the names of
//   its contributors may be used to endorse or promote products derived
//   from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//*****************************************************************************

#ifndef __DRIVERLIB_HIBERNATE_H__
#define __DRIVERLIB_HIBERNATE_H__

#include <stdint.h>
#include <stdbool.h>
#include <time.h>

//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif

//*****************************************************************************
//
// Macros need to configure wake events for HibernateWakeSet()
//
//*****************************************************************************
#define HIBERNATE_WAKE_PIN      0x00000010
#define HIBERNATE_WAKE_RTC      0x00000008
#define HIBERNATE_WAKE_LOW_BAT  0x00000200
#define HIBERNATE_WAKE_GPIO     0x00000010
#define HIBERNATE_WAKE_RESET    0x00100010

//*****************************************************************************
//
// Macros needed to configure low battery detect for HibernateLowBatSet()
//
//*****************************************************************************
#define HIBERNATE_LOW_BAT_DETECT                                              \
                                0x00000020
#define HIBERNATE_LOW_BAT_ABORT 0x000000A0
#define HIBERNATE_LOW_BAT_1_9V  0x00000000
#define HIBERNATE_LOW_BAT_2_1V  0x00002000
#define HIBERNATE_LOW_BAT_2_3V  0x00004000
#define HIBERNATE_LOW_BAT_2_5V  0x00006000

//*****************************************************************************
//
// Macros defining interrupt source bits for the interrupt functions.
//
//*****************************************************************************
#define HIBERNATE_INT_VDDFAIL   0x00000080
#define HIBERNATE_INT_RESET_WAKE                                              \
                                0x00000040
#define HIBERNATE_INT_GPIO_WAKE 0x00000020
#define HIBERNATE_INT_WR_COMPLETE                                             \
                                0x00000010
#define HIBERNATE_INT_PIN_WAKE  0x00000008
#define HIBERNATE_INT_LOW_BAT   0x00000004
#define HIBERNATE_INT_RTC_MATCH_0                                             \
                                0x00000001

//*****************************************************************************
//
// Macros defining oscillator configuration options for the
// HibernateClockConfig() function.
//
//*****************************************************************************
#define HIBERNATE_OSC_LFIOSC    0x00080000
#define HIBERNATE_OSC_LOWDRIVE  0x00000000
#define HIBERNATE_OSC_HIGHDRIVE 0x00020000
#define HIBERNATE_OSC_DISABLE   0x00010000
#define HIBERNATE_OUT_WRSTALL   0x20000000
#define HIBERNATE_OUT_SYSCLK    0x00000001
#define HIBERNATE_OUT_ALT1CLK   0x00000002

//*****************************************************************************
//
// The following defines are used with the HibernateCounterMode() API.
//
//*****************************************************************************
#define HIBERNATE_COUNTER_RTC   0x00000000
#define HIBERNATE_COUNTER_12HR  0x00000001
#define HIBERNATE_COUNTER_24HR  0x00000005

//*****************************************************************************
//
// Tamper event configuration options used with HibernateTamperEventsConfig().
//
//*****************************************************************************
#define HIBERNATE_TAMPER_EVENTS_NO_HIB_WAKE                                   \
                                0x00000000
#define HIBERNATE_TAMPER_EVENTS_HIB_WAKE                                      \
                                0x00000800
#define HIBERNATE_TAMPER_EVENTS_NO_ERASE_HIB_MEM                              \
                                0x00000000
#define HIBERNATE_TAMPER_EVENTS_ERASE_LOW_HIB_MEM                             \
                                0x00000100
#define HIBERNATE_TAMPER_EVENTS_ERASE_HIGH_HIB_MEM                            \
                                0x00000200
#define HIBERNATE_TAMPER_EVENTS_ERASE_ALL_HIB_MEM                             \
                                0x00000300

//*****************************************************************************
//
// Status flags returned by the HibernateTamperStatus() function.
//
//*****************************************************************************
#define HIBERNATE_TAMPER_STATUS_INACTIVE                                      \
                                0x00000010
#define HIBERNATE_TAMPER_STATUS_ACTIVE                                        \
                                0x00000020
#define HIBERNATE_TAMPER_STATUS_EVENT                                         \
                                0x00000040
#define HIBERNATE_TAMPER_STATUS_EXT_OSC_ACTIVE                                \
                                0x00000008
#define HIBERNATE_TAMPER_STATUS_EXT_OSC_INACTIVE                              \
                                0x00000002
#define HIBERNATE_TAMPER_STATUS_EXT_OSC_VALID                                 \
                                0x00000004
#define HIBERNATE_TAMPER_STATUS_EXT_OSC_FAILED                                \
                                0x00000001

//*****************************************************************************
//
// Configuration options used with HibernateTamperIOEnable().
//
//*****************************************************************************
#define HIBERNATE_TAMPER_IO_TRIGGER_LOW                                       \
                                0x00000000
#define HIBERNATE_TAMPER_IO_TRIGGER_HIGH                                      \
                                0x00000002
#define HIBERNATE_TAMPER_IO_WPU_DISABLED                                      \
                                0x00000000
#define HIBERNATE_TAMPER_IO_WPU_ENABLED                                       \
                                0x00000004
#define HIBERNATE_TAMPER_IO_MATCH_SHORT                                       \
                                0x00000000
#define HIBERNATE_TAMPER_IO_MATCH_LONG                                        \
                                0x00000008

//*****************************************************************************
//
// Tamper log event flags.
//
//*****************************************************************************
#define HIBERNATE_TAMPER_EVENT_0                                              \
                                0x00000001
#define HIBERNATE_TAMPER_EVENT_1                                              \
                                0x00000002
#define HIBERNATE_TAMPER_EVENT_2                                              \
                                0x00000004
#define HIBERNATE_TAMPER_EVENT_3                                              \
                                0x00000008
#define HIBERNATE_TAMPER_EVENT_EXT_OSC                                        \
                                0x00010000

//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void HibernateGPIORetentionEnable(void);
extern void HibernateGPIORetentionDisable(void);
extern bool HibernateGPIORetentionGet(void);
extern void HibernateEnableExpClk(uint32_t ui32HibClk);
extern void HibernateDisable(void);
extern void HibernateRTCEnable(void);
extern void HibernateRTCDisable(void);
extern void HibernateWakeSet(uint32_t ui32WakeFlags);
extern uint32_t HibernateWakeGet(void);
extern void HibernateLowBatSet(uint32_t ui32LowBatFlags);
extern uint32_t HibernateLowBatGet(void);
extern void HibernateRTCSet(uint32_t ui32RTCValue);
extern uint32_t HibernateRTCGet(void);
extern void HibernateRTCMatchSet(uint32_t ui32Match, uint32_t ui32Value);
extern uint32_t HibernateRTCMatchGet(uint32_t ui32Match);
extern void HibernateRTCTrimSet(uint32_t ui32Trim);
extern uint32_t HibernateRTCTrimGet(void);
extern void HibernateDataSet(uint32_t *pui32Data, uint32_t ui32Count);
extern void HibernateDataGet(uint32_t *pui32Data, uint32_t ui32Count);
extern void HibernateRequest(void);
extern void HibernateIntEnable(uint32_t ui32IntFlags);
extern void HibernateIntDisable(uint32_t ui32IntFlags);
extern void HibernateIntRegister(void (*pfnHandler)(void));
extern void HibernateIntUnregister(void);
extern uint32_t HibernateIntStatus(bool bMasked);
extern void HibernateIntClear(uint32_t ui32IntFlags);
extern uint32_t HibernateIsActive(void);
extern void HibernateRTCSSMatchSet(uint32_t ui32Match, uint32_t ui32Value);
extern uint32_t HibernateRTCSSMatchGet(uint32_t ui32Match);
extern uint32_t HibernateRTCSSGet(void);
extern void HibernateClockConfig(uint32_t ui32Config);
extern void HibernateBatCheckStart(void);
extern uint32_t HibernateBatCheckDone(void);
extern void HibernateCounterMode(uint32_t ui32Config);
extern void HibernateCalendarSet(struct tm *psTime);
extern int HibernateCalendarGet(struct tm *psTime);
extern void HibernateCalendarMatchSet(uint32_t ui32Index, struct tm *psTime);
extern void HibernateCalendarMatchGet(uint32_t ui32Index, struct tm *psTime);
extern void HibernateTamperEnable(void);
extern void HibernateTamperEventsConfig(uint32_t ui32Config);
extern bool HibernateTamperEventsGet(uint32_t ui32Index, uint32_t *pui32RTC,
                                       uint32_t *pui32Event);
extern void HibernateTamperEventsClear(void);
extern void HibernateTamperEventsClearNoLock(void);
extern void HibernateTamperUnLock(void);
extern void HibernateTamperLock(void);
extern void HibernateTamperDisable(void);
extern void HibernateTamperIOEnable(uint32_t ui32Input, uint32_t ui32Config);
extern void HibernateTamperIODisable(uint32_t ui32Input);
extern uint32_t HibernateTamperStatusGet(void);
extern void HibernateTamperExtOscRecover(void);
extern bool HibernateTamperExtOscValid(void);

//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif

#endif  // __DRIVERLIB_HIBERNATE_H__