stm32之24.RTC闹钟usart端口修改配置

（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\n
				if(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 ->0x17
					i= (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\n
				if(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PM
					if(i<12)
						RTC_TimeStructure.RTC_H12     = RTC_H12_AM;
					else
						RTC_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\n
				if(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PM
					if(i<12)
						RTC_AlarmStructure.RTC_AlarmTime.RTC_H12     = RTC_H12_AM;
					else
						RTC_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：0x1~0x7
						RTC_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);
	} 
}