/* Copyright Statement:
 *
 * This software/firmware and related documentation ("AutoChips Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to AutoChips Inc. and/or its licensors. Without
 * the prior written permission of AutoChips inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of AutoChips Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * AutoChips Inc. (C) 2016. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
 * RECEIVED FROM AUTOCHIPS AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
 * ON AN "AS-IS" BASIS ONLY. AUTOCHIPS EXPRESSLY DISCLAIMS ANY AND ALL
 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NONINFRINGEMENT. NEITHER DOES AUTOCHIPS PROVIDE ANY WARRANTY WHATSOEVER WITH
 * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
 * INCORPORATED IN, OR SUPPLIED WITH THE AUTOCHIPS SOFTWARE, AND RECEIVER AGREES
 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
 * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
 * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN AUTOCHIPS
 * SOFTWARE. AUTOCHIPS SHALL ALSO NOT BE RESPONSIBLE FOR ANY AUTOCHIPS SOFTWARE
 * RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND AUTOCHIPS'S
 * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE AUTOCHIPS SOFTWARE
 * RELEASED HEREUNDER WILL BE, AT AUTOCHIPS'S OPTION, TO REVISE OR REPLACE THE
 * AUTOCHIPS SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
 * CHARGE PAID BY RECEIVER TO AUTOCHIPS FOR SUCH AUTOCHIPS SOFTWARE AT ISSUE.
 */
#include "string.h"
#include "ac780x_rtc.h"
#include "ac780x.h"
#include "ac780x_gpio.h"   
#include "rtc_sample.h" 



/**
 * RTCCallBackFunc
 *
 * @param[in]  wparam: reserved
 * @param[in]  lparam: reserved
 * @return 0: success, other: error value
 *
 * @brief  中断回调函数
 * 改变LED输出，使得LED闪烁
 */
void RTCCallBackFunc(void *device, uint32_t wpara, uint32_t lpara)
{
    static int8_t timer=0;
    
    if (wpara & RTC_SC_RPIF_Msk) //预分频中断
    {
    
    }
    if (wpara & RTC_SC_RTIF_Msk) //RTC溢出中断
    {
        if(timer==0)
        {
            GPIO_SetPinLevel(GPIOC,GPIO_PIN9,GPIO_LEVEL_HIGH);
            timer = 1;
        }
        else if(timer==1)
        {
            GPIO_SetPinLevel(GPIOC,GPIO_PIN9,GPIO_LEVEL_LOW);
            timer = 0;
        }
    }   
    
}

/**
 * RTC_Timeout1s
 *
 * @param[in]  none
 * @return   none
 *
 * @brief  配置RTC计时1S，时钟源为Bus clock
 */
void RTC_Timeout1s(void)
{
    uint32_t tmpMod = 239999;
    uint32_t tmpPrescalerValue = 99;             //（99+1）*（239999+1）/24000000 = 1s
    RTC_ConfigType RTCConfig;
    
    memset(&RTCConfig,0,sizeof(RTCConfig));

    RTCConfig.clockSource = RTC_CLOCK_APB;                         //时钟源选择：0:Bus clk (demo板上总线时钟为24M)；
                                                       //1: LSI 32KHz; 2: External OSC; 3:Internal 8M;
    RTCConfig.periodValue = tmpMod;
    RTCConfig.psrInterruptEn = DISABLE;
    RTCConfig.rtcInterruptEn = ENABLE;
    RTCConfig.psrValue = tmpPrescalerValue;      //time = (pre+1)*(mod+1)/clk
    RTCConfig.rtcOutEn = DISABLE;
    RTCConfig.callBack = RTCCallBackFunc;
    RTC_Init(&RTCConfig);                        //配置RTC

    GPIO_SetDir(GPIOC,GPIO_PIN9,GPIO_OUT);               //设置LED引脚为输出

}






