Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

targets/TARGET_ONSEMI/TARGET_NCS36510/rtc.h@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /**
elessair 0:f269e3021894 2 ******************************************************************************
elessair 0:f269e3021894 3 * @file rtc.h
elessair 0:f269e3021894 4 * @brief (API) Public header of RTC driver
elessair 0:f269e3021894 5 * @internal
elessair 0:f269e3021894 6 * @author ON Semiconductor
elessair 0:f269e3021894 7 * $Rev: 3485 $
elessair 0:f269e3021894 8 * $Date: 2015-07-14 15:20:11 +0530 (Tue, 14 Jul 2015) $
elessair 0:f269e3021894 9 ******************************************************************************
elessair 0:f269e3021894 10 * Copyright 2016 Semiconductor Components Industries LLC (d/b/a “ON Semiconductor”).
elessair 0:f269e3021894 11 * All rights reserved. This software and/or documentation is licensed by ON Semiconductor
elessair 0:f269e3021894 12 * under limited terms and conditions. The terms and conditions pertaining to the software
elessair 0:f269e3021894 13 * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf
elessair 0:f269e3021894 14 * (“ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software”) and
elessair 0:f269e3021894 15 * if applicable the software license agreement. Do not use this software and/or
elessair 0:f269e3021894 16 * documentation unless you have carefully read and you agree to the limited terms and
elessair 0:f269e3021894 17 * conditions. By using this software and/or documentation, you agree to the limited
elessair 0:f269e3021894 18 * terms and conditions.
elessair 0:f269e3021894 19 *
elessair 0:f269e3021894 20 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
elessair 0:f269e3021894 21 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
elessair 0:f269e3021894 22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
elessair 0:f269e3021894 23 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
elessair 0:f269e3021894 24 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
elessair 0:f269e3021894 25 * @endinternal
elessair 0:f269e3021894 26 *
elessair 0:f269e3021894 27 * @ingroup rtc
elessair 0:f269e3021894 28 */
elessair 0:f269e3021894 29
elessair 0:f269e3021894 30 #ifndef RTC_H_
elessair 0:f269e3021894 31 #define RTC_H_
elessair 0:f269e3021894 32
elessair 0:f269e3021894 33 #include "rtc_map.h"
elessair 0:f269e3021894 34 #include "clock.h"
elessair 0:f269e3021894 35 #include "memory_map.h"
elessair 0:f269e3021894 36
elessair 0:f269e3021894 37 #define RTC_CLOCK_HZ 32768
elessair 0:f269e3021894 38 #define RTC_SEC_TO_US 1000000
elessair 0:f269e3021894 39 #define RTC_SUB_SEC_MASK 0x7FFF
elessair 0:f269e3021894 40 #define RTC_SEC_MASK 0xFFFFFFFF
elessair 0:f269e3021894 41 #define RTC_SEC_INT_STATUS_MASK 0x2
elessair 0:f269e3021894 42
elessair 0:f269e3021894 43 #define RTC_SUBSEC_INTERRUPT_BIT_VAL 0x1
elessair 0:f269e3021894 44 #define RTC_SEC_INTERRUPT_BIT_VAL 0x2
elessair 0:f269e3021894 45 #define RTC_ALL_INTERRUPT_BIT_VAL 0x3
elessair 0:f269e3021894 46
elessair 0:f269e3021894 47 #define RTC_INT_CLR_SUB_SEC_BIT_POS 0
elessair 0:f269e3021894 48 #define RTC_INT_CLR_SEC_BIT_POS 1
elessair 0:f269e3021894 49
elessair 0:f269e3021894 50 #define RTC_CONTROL_SUBSEC_CNT_START_BIT_POS 0
elessair 0:f269e3021894 51 #define RTC_CONTROL_SEC_CNT_START_BIT_POS 1
elessair 0:f269e3021894 52 #define RTC_CONTROL_SUBSEC_CNT_INT_BIT_POS 2
elessair 0:f269e3021894 53 #define RTC_CONTROL_SEC_CNT_INT_BIT_POS 3
elessair 0:f269e3021894 54
elessair 0:f269e3021894 55 #define RTC_STATUS_SUB_SEC_INT_CLR_WRT_BIT_POS 9
elessair 0:f269e3021894 56 #define RTC_STATUS_SEC_INT_CLR_WRT_BIT_POS 10
elessair 0:f269e3021894 57
elessair 0:f269e3021894 58 /* FUnction pointer for call back */
elessair 0:f269e3021894 59 typedef void (* fRtcCallBack)(void);
elessair 0:f269e3021894 60
elessair 0:f269e3021894 61 /**
elessair 0:f269e3021894 62 * @details
elessair 0:f269e3021894 63 * Initializes RTC, enable RTC & register call back function
elessair 0:f269e3021894 64 *
elessair 0:f269e3021894 65 * @param RtcCallBack Function pointer for RTC call back funtion
elessair 0:f269e3021894 66 * @return None
elessair 0:f269e3021894 67 */
elessair 0:f269e3021894 68 void fRtcInit(void);
elessair 0:f269e3021894 69
elessair 0:f269e3021894 70 /**
elessair 0:f269e3021894 71 * @details
elessair 0:f269e3021894 72 * Disable RTC
elessair 0:f269e3021894 73 *
elessair 0:f269e3021894 74 * @param None
elessair 0:f269e3021894 75 * @return None
elessair 0:f269e3021894 76 */
elessair 0:f269e3021894 77 void fRtcFree(void);
elessair 0:f269e3021894 78
elessair 0:f269e3021894 79 /**
elessair 0:f269e3021894 80 * @details
elessair 0:f269e3021894 81 * Set up alram for RTC interrupt in micro second
elessair 0:f269e3021894 82 * Pre-requisite: Both second & sub second interrupts should be cleared.
elessair 0:f269e3021894 83 * @param TimeStamp in micro seconds
elessair 0:f269e3021894 84 * @return None
elessair 0:f269e3021894 85 */
elessair 0:f269e3021894 86 void fRtcSetInterrupt(uint32_t timestamp);
elessair 0:f269e3021894 87
elessair 0:f269e3021894 88 /**
elessair 0:f269e3021894 89 * @details
elessair 0:f269e3021894 90 * Disable interrupt
elessair 0:f269e3021894 91 *
elessair 0:f269e3021894 92 * @param None
elessair 0:f269e3021894 93 * @return None
elessair 0:f269e3021894 94 */
elessair 0:f269e3021894 95 void fRtcDisableInterrupt(void);
elessair 0:f269e3021894 96
elessair 0:f269e3021894 97 /**
elessair 0:f269e3021894 98 * @details
elessair 0:f269e3021894 99 * Enable interrupt
elessair 0:f269e3021894 100 *
elessair 0:f269e3021894 101 * @param None
elessair 0:f269e3021894 102 * @return None
elessair 0:f269e3021894 103 */
elessair 0:f269e3021894 104 void fRtcEnableInterrupt(void);
elessair 0:f269e3021894 105
elessair 0:f269e3021894 106 /**
elessair 0:f269e3021894 107 * @details
elessair 0:f269e3021894 108 * Clear interrupt
elessair 0:f269e3021894 109 *
elessair 0:f269e3021894 110 * @param None
elessair 0:f269e3021894 111 * @return None
elessair 0:f269e3021894 112 */
elessair 0:f269e3021894 113 void fRtcClearInterrupt(void);
elessair 0:f269e3021894 114
elessair 0:f269e3021894 115 /**
elessair 0:f269e3021894 116 * @details
elessair 0:f269e3021894 117 * Returns RTC time in micro seconds
elessair 0:f269e3021894 118 *
elessair 0:f269e3021894 119 * @param None
elessair 0:f269e3021894 120 * @return RTC Time in micro second
elessair 0:f269e3021894 121 */
elessair 0:f269e3021894 122 uint64_t fRtcRead(void);
elessair 0:f269e3021894 123
elessair 0:f269e3021894 124 /**
elessair 0:f269e3021894 125 * @details
elessair 0:f269e3021894 126 * Set RTC time in micro seconds
elessair 0:f269e3021894 127 *
elessair 0:f269e3021894 128 * @param RtcTime in micro Seconds
elessair 0:f269e3021894 129 * @return None
elessair 0:f269e3021894 130 */
elessair 0:f269e3021894 131 void fRtcWrite(uint64_t RtcTimeus);
elessair 0:f269e3021894 132
elessair 0:f269e3021894 133 /**
elessair 0:f269e3021894 134 * @details
elessair 0:f269e3021894 135 * RTC interrupt handler
elessair 0:f269e3021894 136 *
elessair 0:f269e3021894 137 * @param None
elessair 0:f269e3021894 138 * @return None
elessair 0:f269e3021894 139 */
elessair 0:f269e3021894 140 void fRtcHandler(void);
elessair 0:f269e3021894 141
elessair 0:f269e3021894 142 /**
elessair 0:f269e3021894 143 * @details
elessair 0:f269e3021894 144 * Is RTC enabled?
elessair 0:f269e3021894 145 *
elessair 0:f269e3021894 146 * @param None
elessair 0:f269e3021894 147 * @return RTC status
elessair 0:f269e3021894 148 */
elessair 0:f269e3021894 149 boolean fIsRtcEnabled(void);
elessair 0:f269e3021894 150 #endif /* RTC_H_ */