rtc.c

不用我多说,自己看吧,大家共同进步

#include "..\inc\rtc.h"
#include "..\ucos_ii\ucos_ii.h"             

char *date[7] = {"SUN","MON","TUE","WED","THU","FRI","SAT"};
char *month[12]={ "January ","February ","March ","April ", "May ","June ", "July ", "August ",  "September ","October ",   "November ",  "December "};

INT16U Get_Year;
INT8U Get_Month,Get_Day,Get_Date,Get_Hour,Get_Minutes,Get_Second;

OS_EVENT *Rtc_Alarm_Sem;
OS_EVENT *Rtc_Tick_Sem;
OS_EVENT *Rtc_Rw_Sem;

/*****************************RTC INT*********************************/
void Rtc_Init(void)
{
     Rtc_Alarm_Sem = OSSemCreate(0);
     Rtc_Tick_Sem = OSSemCreate(0);
     Rtc_Rw_Sem = OSSemCreate(1);  
} 
/*
*********************************************************************************************************
*                                            SET DATE ONLY
*
* Description : Set the date of the time-of-day clock
* Arguments   : Month     is the desired month (1..12)
*               Day       is the desired day   (1..31)
*               Year      is the desired year  (0..99)
*               Week      is the desired week  (0..7)
*********************************************************************************************************
*/

void Set_Rtc_Date(int Year,int Month,int Day,int Week)
{
    INT8U err;
    OSSemPend(Rtc_Rw_Sem,0,&err);	
    rRTCCON = 0x01;
    rBCDYEAR = Year-2000;
    rBCDMON  = Month;
    rBCDDAY  = Day;	
    rBCDDATE = Week;  // SUN:1 MON:2 TUE:3 WED:4 THU:5 FRI:6 SAT:7
    rRTCCON = 0x00;
    OSSemPost(Rtc_Rw_Sem);

}
/*
*********************************************************************************************************
*                                          SET TIME ONLY
*
* Description : Set the time-of-day clock
* Arguments   : Hour        is the desired hour    (0..23)
*               Minutes       is the desired minutes (0..59)
*               Second       is the desired seconds (0..59)
*********************************************************************************************************
*/

void Set_Rtc_Time(int Hour,int Minutes,int Second)
{
    INT8U err;
    OSSemPend(Rtc_Rw_Sem,0,&err);	
    rRTCCON = 0x01;
    rBCDHOUR = Hour;
    rBCDMIN  = Minutes;
    rBCDSEC  = Second;
    rRTCCON = 0x00;
    OSSemPost(Rtc_Rw_Sem);

}
/*****************************GET RTC TIME*****************************/

void Get_Rtc_Time(void)
{   
    INT8U err;
    OSSemPend(Rtc_Rw_Sem,0,&err);
    rRTCCON = 0x01;
    Get_Year=2000+rBCDYEAR;
    Get_Month=rBCDMON;
    Get_Day=rBCDDAY;	
    Get_Date=rBCDDATE;
    Get_Hour=rBCDHOUR;
    Get_Minutes=rBCDMIN;
    Get_Second=rBCDSEC;
    rRTCCON = 0x00;
    OSSemPost(Rtc_Rw_Sem);
}

/****************************SET  ALARM********************************/
void Set_Alarm_Date_Time(int Ayear,int Amonth,int Aday,int Ahour,int Aminute,int Asecond)
{
    INT8U err;
    OSSemPend(Rtc_Rw_Sem,0,&err);
    rRTCCON = 0x01;
    rALMYEAR=Ayear-2000;
    rALMMON =Amonth;
    rALMDAY =Aday  ;
    rALMHOUR=Ahour ;
    rALMMIN =Aminute;
    rALMSEC =Asecond;    
    rRTCCON = 0x00;    // R/W disable(for power consumption), 1/32768, Normal(merge), No reset
    OSSemPost(Rtc_Rw_Sem);
}

void Alarm_Start(void)
{
    rRTCALM =0x7f;
    rINTMSK=~(BIT_GLOBAL|BIT_RTC);
}

void Alarm_Stop(void)
{   rRTCALM =0x00;
   rINTMSK=BIT_GLOBAL|BIT_RTC; 
}

void Rtc_Alarm(void)
{
    rI_ISPC=BIT_RTC;   
    OSSemPost(Rtc_Alarm_Sem); 
}
/***********************************SET RTC TICK***********************/
void Set_Rtc_Tick(void)
{   
    rINTMSK = BIT_GLOBAL | BIT_TICK;  
    rRTCCON = 0x01;	//R/W enable(for power consumption), 1/32768, Normal(merge), No reset
    rTICINT = ((1<<7)+127);	//START    
    rRTCCON = 0x00;	//END
    rINTMSK=~(BIT_GLOBAL|BIT_TICK);
}

void Rtc_Tick(void)
{
    rI_ISPC=BIT_TICK; 
    OSSemPost(Rtc_Tick_Sem);
}
/***********************************DISPLAY RTC************************/
void Display_Rtc(void)
{   
 	Get_Rtc_Time();
 	
    Uart_Printf("%4x,%s,%2x,%s,%2x:%2x:%2x\n",Get_Year,month[Get_Month],Get_Day,date[Get_Date],Get_Hour,Get_Minutes,Get_Second);
    
 }