pikapython/bsp/ch582/HAL/RTC.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : RTC.c
 * Author             : WCH
 * Version            : V1.2
 * Date               : 2022/01/18
 * Description        : RTC<EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * SPDX-License-Identifier: Apache-2.0
 *******************************************************************************/

/******************************************************************************/
/* ͷ<>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD> */
#include "HAL.h"

/*********************************************************************
 * CONSTANTS
 */
#define RTC_INIT_TIME_HOUR      0
#define RTC_INIT_TIME_MINUTE    0
#define RTC_INIT_TIME_SECEND    0

/***************************************************
 * Global variables
 */
volatile uint32_t RTCTigFlag;

/*******************************************************************************
 * @fn      RTC_SetTignTime
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD>RTC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
 *
 * @param   time    - <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>.
 *
 * @return  None.
 */
void RTC_SetTignTime(uint32_t time)
{
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R32_RTC_TRIG = time;
    RTCTigFlag = 0;
}

/*******************************************************************************
 * @fn      RTC_IRQHandler
 *
 * @brief   RTC<EFBFBD>жϴ<EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   None.
 *
 * @return  None.
 */
__INTERRUPT
__HIGH_CODE
void RTC_IRQHandler(void)
{
    R8_RTC_FLAG_CTRL = (RB_RTC_TMR_CLR | RB_RTC_TRIG_CLR);
    RTCTigFlag = 1;
}

/*******************************************************************************
 * @fn      HAL_Time0Init
 *
 * @brief   ϵͳ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
 *
 * @param   None.
 *
 * @return  None.
 */
void HAL_TimeInit(void)
{
#if(CLK_OSC32K)
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_CK32K_CONFIG &= ~(RB_CLK_OSC32K_XT | RB_CLK_XT32K_PON);
    R8_CK32K_CONFIG |= RB_CLK_INT32K_PON;
    R8_SAFE_ACCESS_SIG = 0;
    Lib_Calibration_LSI();
#else
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_CK32K_CONFIG |= RB_CLK_OSC32K_XT | RB_CLK_INT32K_PON | RB_CLK_XT32K_PON;
    R8_SAFE_ACCESS_SIG = 0;
#endif
    RTC_InitTime(2020, 1, 1, 0, 0, 0); //RTCʱ<43>ӳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ǰʱ<C7B0><CAB1>
    TMOS_TimerInit(0);
}

/******************************** endfile @ time ******************************/