STM32实时时钟和闹钟程序

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1、include ”lcd.h“#include delay.h#includc sys.h include ”lcd.h” #include usart.h #include rtc.h int main(void)u8 t=O;delay_init();/2:29600NVIC_Configuration();/ NVIC2uart_init(9600);/LEDJiiit();/LEDLCD_Init();BEEPJnit();/RTC_Iiiit();/RTCPOINT_COLOR=GREEN;/LCD_ShowString(70.50.2006.16,”人_人 andy A_A，1):

2、POINT_COLOR=BLUE;/LCD_ShowString(60.130.200.16.16.” ”)；LCD_ShowString(6062,200.16.16,” : ”)；while( 1)if(t!=calendar.sec)t=calendar.sec;LCD_ShowNum(60,130,calendar. w_ycar,4,16);LCD_ShowNuni( 10030,calendar. w_month,2.16);LCD_ShowNum(l 24.130xalendar.w_datc.2 16): switch(calendar.week)case 0:LCD_Show

3、String(6048.2006.16.Sunday”)；break;case 1:LCD_ShowString(604&200.16.16. Monday”);break;case 2:LCD.ShowString(60 J48,200.16J 6/Tuesday ”)；break;case 3:LCD_ShowString(60,148,200,16.16. Wednesday); break;case 4:LCD_ShowString(604&200.16.16.“Thursday ”); break;case 5:LCD_ShowString(60, 48,200J 6,16.M Fr

4、iday”)；break;case 6:LCD_ShowString(604&2006.16.,fSaturday ”)： break;)LCD_S howNu m( 6062,calendar.hour.2.16):LCD_ShowNum( 84,162,calendar.niin.2.16);LCD_ShowNum(i08.162.calendar.sec.2.16):LED0=!LED0;)dclay_ins(10);)#includc sys.h#include delay.h#include usart.hinclude ”rlc.h”_calendar_obj calendar:/

5、static void RTC_NVIC_Config(void)NVIC_InitTypeDcf NVIC_InitStructure;NVICJnitStructure.NVICJRQChannel = RTCRQn:/RTCNVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; /3NVICJnitStructure.NVICJRQChannelSubPriority = 0:/0NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; / NVICJnit(&NVICnitStructur

6、e);/ NVIC.InitStructNVICu8 RTC_Init(void)4/u8 temp=O;u32 flag=O:if (BKP_RcadBackupRcgistcr(BKP_DR 1) != 0x5050)/RCC.APB 1 PcriphClockCmd(RCC_APB 1 Pcriph.PWR I RCC.APB 1 Periph.BKRENABLE); / PWR BKPPWR_BackupAccessCmd(ENABLE); /BKP_DcInit();/RCC_LSEConfig(RCC_LSE_ON); /(LSE),while (RCC_GetFlagStatus

7、(RCC_FLAG_LSERDY)= RESET) /RCC,temp+; dclay_ms(10);i f( te mp=250)rctur n 1;RCC_RTCCLKConfig(RCC_RTCCLKSourc/e_LSE);9/RTC(RTCCLK).LSERTCRCC_RTCCLKCmd(ENABLE);/RTCRTC_WaitForLastTask();/RTCRTC_WaitForSynchro();/RTCRTC_ITConfig( RTC_IT_SEC. ENABLE);/RTCRTC.ITConfig(RTC_IT_ALR. ENABLE);RTC_WaitForLastT

8、ask();/RTCRTC_Entei*ConfigMode();IIIRTC_SctPrescalcr(32767);/RTCRTC_WaitForLastTask();IIRTCRTC_Set(2014,12.2.10,0,55);/RTC_ExitConfigMode():IIflag=RTC_GetCounter();RTC_WaitForLastTask();RTC_SetAlarm( flag+1);IIBKP_WritcBackupRcgister(BKP_DR 1. OX5O5O):IIIIelseRTC_WaitForSynchro();RTCRTCTConfig(RTCT_

9、SEC. ENABLE);RTC_ITConlig( RTC_IT_ALR. ENABLE);RTC_WaitForLastTask():/RTC/RTCRTC_N VIC_Config();/RCTRTC_Gct(); return 0;/okvoid RTC_IRQHandler(void)u32 flag=0;if (RTC_GetITStatus(RTC_IT_SEC) != RESET) /RTC_Get();/if(RTC_GetITStatus(RTC_IT_ALR)!= RESET)/RTC_ClearITPendingBit(RTC_IT_ALR);/LED1=!LED1;/

10、flag=RTC_GetCounter();RTC_WaitForLastTask();RTC_SetAlarm( flag+1);/ledRTC_Clc“fTTPcndingBit(RTCT_SECIRTC_IT_OW); / RTC_WaitForLastTask();/12 3 4 5 678 9 10 1112/3129 31 30 31 3031313031 30 31/3128 31 30 31 30 313130 31 30 31/ :/ : .1, .0,u8 Is_Leap_Year(u 16 year)if(year%4=0)if(year% 100=0)if(year%4

11、00=0)rcturn 1:/400else return 0;else return 1;Jelse return 0;/197011/1970-2099/ :0. ; : ./u8 const table_week 12=03.3.6J4625.0.3.5; /const u8 mon_table 12=31,28,31,30,31,30,31.31,30,31.30.31;u8 RTC_Set(ul6 syear,u8 smoiruS sday.uS hour,u8 min,u8 sec)ul6 t;u32 seccount=0;if(syear2099)return 1:for(t=

12、1970;tsyear:t+)/if(Is 丄 eap_ Year( t) )seccount+=31622400;/else seccount+=31536000;/smon-=l;for(t=0;t=365) if(Is_Leap_Year(templ)/ if(temp=366)temp-=366;/ else tcmpl+:brcaki)/1970else temp-=365;/templ+;)calendar.w_year=templ 7/ temp 1=0;while( temp=28)/if(Is_Leap_Year(calendar.w_year)&templ= 1)/ if(

13、te mp=29 )te mp-=29 JIelse break:/2elseif(tenip=nion_tablctenipl)tcnip-=mon_tablctcmpl;/ else break;templ+:)calendar. w_month=temp 1 +1: /calendar. w_date=tenip+1;/tcmp=timccount%86400;/calendar.hour=temp/3600;/calendar, mi n=(temp%3600)/60; /calendar.sec=(temp%3600)%60; /calendar. week=RTC_Gct_Week

14、( calendar. w_year,calendar.w】Kmlh.calcndarw_d;itc);/return 0;/ :1901-2099)/u8 RTC_Get_Wcek(u 16 year,u8 month.u8 day) ul6 temp2;u8 yearHycarL;yearH=year/1 (X); yearL=year% 100:/ 21 , 100if (ycarH 19)ycarL+= 100:/1900temp2=yearL+yearL/4; temp2=temp2%7;temp2=temp2+day+table_weck( month-1: if (yearL%4=0 &m onthPB5/IO50MHz/PB.5GPIO InitStructure.GPIO Pin = GPIO Pin 5;/LED1PE5/IO/PE.5GPIO_lnit(GPIOE. &GPIOJnitStructure); 50MHzGPIO_SetBits(GPIOE.GPIO_Pin_5);