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stm32之24.RTC闹钟usart端口修改配置

news 2025/7/22 22:02:11

（需要修改）

源码

while(1){//rtc唤醒事件if(g_rtc_wakeup_event){//获取日期RTC_GetDate(RTC_Format_BCD,&RTC_DateStructure);printf("20%02x/%02x/%02xWeek:%x\r\n",RTC_DateStructure.RTC_Year,RTC_DateStructure.RTC_Month,RTC_DateStructure.RTC_Date,RTC_DateStructure.RTC_WeekDay);//获取时间RTC_GetTime(RTC_Format_BCD,&RTC_TimeStructure);printf("%02x:%02x:%02x\r\n",RTC_TimeStructure.RTC_Hours,RTC_TimeStructure.RTC_Minutes,RTC_TimeStructure.RTC_Seconds);	g_rtc_wakeup_event=0;}//rtc闹钟事件if(g_rtc_alarm_event){//模拟闹钟滴滴的声音,并闪烁LED灯if(time_sum<=6){time_cnt++;delay_ms(1);					if(time_cnt==80){PFout(8)=1;PFout(10)=0;}else if(time_cnt==160){PFout(8)=0;PFout(10)=1;}else if(time_cnt==240){PFout(8)=1;PFout(10)=0;}else if(time_cnt==320){PFout(8)=0;PFout(10)=1;}				else if(time_cnt>=1000){time_sum+=1;time_cnt=0;}				}else{//清空标志位g_rtc_alarm_event=0;//清零蜂鸣器鸣响的总时间值time_sum=0;//清零1毫秒时间计数值time_cnt=0;}	}		//串口1事件if(g_usart1_event){//判断接收到的字符串为DATE SET//示例：DATE SET-2017-10-12-4\nif(strstr((char *)g_usart1_recv_buf,"DATE SET")){//以等号分割字符串strtok((char *)g_usart1_recv_buf,"-");//获取年p=strtok(NULL,"-");//2017-2000=17 i = atoi(p)-2000;//转换为16进制 17 ->0x17i= (i/10)*16+i%10;RTC_DateStructure.RTC_Year = i;//获取月p=strtok(NULL,"-");i=atoi(p);//转换为16进制i= (i/10)*16+i%10;						RTC_DateStructure.RTC_Month=i;//获取日p=strtok(NULL,"-");i=atoi(p);//转换为16进制i= (i/10)*16+i%10;		RTC_DateStructure.RTC_Date = i;//获取星期p=strtok(NULL,"-");i=atoi(p);//转换为16进制i= (i/10)*16+i%10;						RTC_DateStructure.RTC_WeekDay = i;//设置日期RTC_SetDate(RTC_Format_BCD, &RTC_DateStructure);}	//判断接收到的字符串为TIME SET//示例：TIME SET-14-20-10\nif(strstr((char *)g_usart1_recv_buf,"TIME SET")){//以等号分割字符串strtok((char *)g_usart1_recv_buf,"-");//获取时p=strtok(NULL,"-");i = atoi(p);//通过时，判断是AM还是PMif(i<12)RTC_TimeStructure.RTC_H12     = RTC_H12_AM;elseRTC_TimeStructure.RTC_H12     = RTC_H12_PM;//转换为16进制i= (i/10)*16+i%10;RTC_TimeStructure.RTC_Hours   = i;//获取分p=strtok(NULL,"-");i = atoi(p);						//转换为16进制i= (i/10)*16+i%10;	RTC_TimeStructure.RTC_Minutes = i;//获取秒p=strtok(NULL,"-");i = atoi(p);						//转换为16进制i= (i/10)*16+i%10;					RTC_TimeStructure.RTC_Seconds = i; 					RTC_SetTime(RTC_Format_BCD, &RTC_TimeStructure); }	//判断接收到的字符串为ALARM SET//示例：ALARM SET-14-20-10\nif(strstr((char *)g_usart1_recv_buf,"ALARM SET")){//以等号分割字符串strtok((char *)g_usart1_recv_buf,"-");//获取时p=strtok(NULL,"-");i = atoi(p);//通过时，判断是AM还是PMif(i<12)RTC_AlarmStructure.RTC_AlarmTime.RTC_H12     = RTC_H12_AM;elseRTC_AlarmStructure.RTC_AlarmTime.RTC_H12     = RTC_H12_PM;//转换为16进制i= (i/10)*16+i%10;RTC_AlarmStructure.RTC_AlarmTime.RTC_Hours   = i;//获取分p=strtok(NULL,"-");i = atoi(p);						//转换为16进制i= (i/10)*16+i%10;	RTC_AlarmStructure.RTC_AlarmTime.RTC_Minutes = i;//获取秒p=strtok(NULL,"-");i = atoi(p);						//转换为16进制i= (i/10)*16+i%10;					RTC_AlarmStructure.RTC_AlarmTime.RTC_Seconds = i; 	#if 1	//每天闹钟都会生效//RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;								//若RTC_AlarmDateWeekDaySel_Date，当前为日期，数值范围是0x1~0x31//若RTC_AlarmDateWeekDaySel_WeekDay,当前为星期几，数值范围：0x1~0x7//RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;	//选择日期RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_DateWeekDay;				//屏蔽星期/日期，也就说闹钟每天都会生效#else	//指定闹钟在某一天生效RTC_AlarmStructure.RTC_AlarmDateWeekDay = 0x31;								//若RTC_AlarmDateWeekDaySel_Date，当前为日期，数值范围是0x1~0x31//若RTC_AlarmDateWeekDaySel_WeekDay,当前为星期几，数值范围：0x1~0x7RTC_AlarmStructure.RTC_AlarmDateWeekDaySel = RTC_AlarmDateWeekDaySel_Date;	//选择日期RTC_AlarmStructure.RTC_AlarmMask = RTC_AlarmMask_None;						//不屏蔽星期/日期，也就说闹钟会指定某一天会生效	#endif		rtc_alarm_set(RTC_AlarmStructure); printf("%s ok,please wait rtc alarm...\r\n",g_usart1_recv_buf);}//清空串口1数据计数值g_usart1_recv_cnt = 0;			//清空串口1接收数据事件g_usart1_event = 0;//清空串口1接收数据缓冲区memset((char *)g_usart1_recv_buf,0,sizeof g_usart1_recv_buf);}}
}void RTC_WKUP_IRQHandler(void)
{if(RTC_GetITStatus(RTC_IT_WUT) != RESET){g_rtc_wakeup_event = 1;RTC_ClearITPendingBit(RTC_IT_WUT);} EXTI_ClearITPendingBit(EXTI_Line22);
}void USART1_IRQHandler(void)                				//串口1中断服务程序
{if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)  	//接收中断{//从串口1接收数据g_usart1_recv_buf[g_usart1_recv_cnt]=USART_ReceiveData(USART1);	//记录多少个数据g_usart1_recv_cnt++;//检测到'#'符或接收的数据满的时候则发送数据if(g_usart1_recv_buf[g_usart1_recv_cnt-1]=='#' || g_usart1_recv_cnt>=(sizeof g_usart1_recv_buf)-1){g_usart1_event = 1;}} 
} void RTC_Alarm_IRQHandler(void)
{if(RTC_GetITStatus(RTC_IT_ALRA) != RESET){//添加用户代码g_rtc_alarm_event=1;printf("rtc alarm trig\r\n");RTC_ClearITPendingBit(RTC_IT_ALRA);EXTI_ClearITPendingBit(EXTI_Line17);} 
}

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