• Stm32_标准库_16_串口&蓝牙模块_手机与蓝牙模块通信_手机传入信息能对芯片时间日期进行更改

    实现了手机发送信息给蓝牙模块，程序对数据进行分析拆解，并更新自身数据

    main.c:

    #include "stm32f10x.h"    // Device header
#include "Delay.h"
#include "OLED.h"
#include "Serial.h"
#include "Time.h"
#include "Function.h"
#include 
#include 


char *News = NULL;//存数据
unsigned int time[] = {22, 59, 30};
unsigned int date[] = {2023, 12, 31};
char month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
unsigned int updateTime[] = {0, 0, 0};
unsigned int updateDate[] = {0, 0, 0};

void TIM2_IRQHandler(void){//定时器2
	   //主要运用时间更新
	   if(TIM_GetITStatus(TIM2, TIM_IT_Update) == SET){
			  
			 TIM_ClearITPendingBit(TIM2, TIM_IT_Update);//清除标志位
			 Time_Control(time, month, date);
		 }
		  
}
 

 
int main(void){
	 
	OLED_Init();//初始化OLED
  Time_Init();//开启计时器
	Serial_Init();//开启串口
	while(1){
		uint16_t flag = 0;
		if(Serial_GetRxFlag() == 1){
			 Delay_ms(1000);//等待数据传输完
			 News = Serial_returnNews();
			 
			 OLED_ShowString(3, 1, News);
			 if((flag = Function_DateCheck(Serial_GetRFlagTime(), Serial_GetFlagDate())) == 0){//至少得有标志符号
				  OLED_ShowString(4, 1, "error");
			 }
			 else{
				    if(flag == 1){
							if(Function_TimeUpdate(updateTime, time, News) == 1) OLED_ShowString(4, 1, ":RIGHT");//写入
				      else  OLED_ShowString(4, 1, "ERROR"); 									
						}
            else{
							  OLED_ShowString(4, 1, "/RIGHT");
						}
            Function_ArrayReset(updateTime, updateDate);				
			 }
			 flag = 0;
			 Serial_RESETI();//I至0
			 Serial_GetRxFlag();//制零否者if循环将会被执行两次
			 free(News);//释放空间必须释放否者发生地址紊乱，直接卡机
		}
		Time_Show(time);
		//Time_Show_Date(date);
		    
	}
	
}




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    Function.c:

    #include "stm32f10x.h"
#include "Serial.h"
#include "OLED.h"
#include "Delay.h"
//一些函数的实现

void Function_ArrayClear(char *News){//恢复数组初始化
	   uint16_t i = 0;
	   for(i = 0; i < 100; i ++) News[i] = '\0';
}

uint8_t Function_ArrayLength(char * a){//计算数组长度函数
	      uint8_t length = 0;
	      uint8_t i = 0;
	      while(a[i] != '\0'){
					i ++;
					length ++;
				}
				return length;
}


uint8_t Function_DateCheck(uint8_t flagTime, uint8_t flagDate){
	   if(flagDate == flagTime) return 0;
	   if(flagTime == 1) return 1;
	   return 2;
}
uint8_t Function_Numlength(uint16_t num){
	  uint8_t length = 0;
	  if(num == 0) return (uint8_t) 1;
	  while(num > 0){
		   num = num / 10;
		   length = length + 1;
	  }
	  return length;
}
uint8_t Function_TimeDateState(unsigned int *updateTime, char *News){
	      uint8_t cnt = 0;
	      uint8_t i = 0;
	      uint8_t end = Serial_GetI();
	      while(i < end){
					if(News[i] == ':') {
						 cnt ++;
						 i ++;
						 if(cnt >= 3) return 0;
						 continue;
					}
					 
				  updateTime[cnt] = updateTime[cnt] * 10 + (News[i] - '0');
					i ++;
				}
				//OLED_ShowNum(2,1,updateTime[2], 3);
				if(cnt != 2) return 0;
				//OLED_ShowString(2, 10, "here");
			  //OLED_ShowNum(2,1,, 3);
				if(Function_Numlength(updateTime[0]) >= 3 || updateTime[0] > 23) return 0;
				//OLED_ShowString(2, 10, "here");
				if(Function_Numlength(updateTime[1]) >= 3 || updateTime[1] > 59) return 0;
				if(Function_Numlength(updateTime[2]) >= 3 || updateTime[2] > 59) return 0;
				//OLED_ShowString(2, 10, "here");
				return 1;
}

uint8_t Function_TimeUpdate(unsigned int *updateTime, unsigned int *time, char *News){
	   if(Function_TimeDateState(updateTime, News) == 1){
			  uint8_t i = 0;
			  OLED_ShowString(2, 12, "here");
			  while(i < 3){
					   time[i] = updateTime[i];
					   i ++;
				}
				return 1;
		 }
		 return 0;
}

void Function_ArrayReset(unsigned int *updateTime, unsigned int *updateDate){
	   uint8_t i = 0;
	   while(i < 3){
			 updateDate[i] = 0;
			 updateTime[i] = 0;
			 i ++;
		 }
}


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    Function.h:

    #ifndef __FUNCTION_H
#define __FUNCTION_H
#include "stm32f10x.h"  
#include 

void Function_ArrayClear(char *News);
uint8_t Function_ArrayLength(char * a);
uint8_t Function_DateCheck(uint8_t flagDate, uint8_t flagTime);
uint8_t Function_Numlength(uint16_t num);
uint8_t Function_TimeDateState(unsigned int *updateTime, char *News);
uint8_t Function_TimeUpdate(unsigned int *updateTime, unsigned int *time, char *News);
void Function_ArrayReset(unsigned int *updateTime, unsigned int *updateDate);

#endif

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    Time.c:

    #include "stm32f10x.h"
#include "OLED.h"

TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/*初始化通用定时器TIM2*/
void Time_Init(void){
	   RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);//APB1外设开启
	   
	   TIM_InternalClockConfig(TIM2);//选择内部时钟
	
	   /*初始化时基单元*/
	   TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
	   TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;//向上计数
	   TIM_TimeBaseInitStructure.TIM_Period = 10000 - 1;//ARR自动重装
	   TIM_TimeBaseInitStructure.TIM_Prescaler = 7200 - 1;//psc预分频器
	   TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0;//高级计时器内容直接给零
	   //记录1s 
	   TIM_TimeBaseInit(TIM2, &TIM_TimeBaseInitStructure);//刚初始化完就会进中断
	   
	   TIM_ClearFlag(TIM2, TIM_FLAG_Update);//消除中断标志位
	   //使能更新中断
	   TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
	
	   /*配置中断*/
	   NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//选择组2
	   NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;//定时器2在NVIC内的通道
	   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
	   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
	   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
		 NVIC_Init(&NVIC_InitStructure);
		 
		 TIM_Cmd(TIM2, ENABLE);//启动定时器
}

void Time_Control(unsigned int *time, char *month, unsigned int *date){//更新时间
	       time[2] = time[2] + 1;
        if(time[2] >= 60){
          time[2] = 0;
          time[1] = time[1] + 1;
          if(time[1] >= 60){
            time[1] = 0;
            time[0] = time[0] + 1;
            if(time[0] >= 24){
              time[0] = 0;
              date[2] = date[2] + 1;
   	          if(date[2] >= month[date[1]] + 1){
   		        date[2] = 1;
   		        date[1] = date[1] + 1;
   		        if(date[1] >= 13){
   		        	date[1] = 1;
   		        	date[0] = date[0] + 1;
   		        	if(date[0] >= 9999){
   		        		date[0] = 2023;
					   }
				   }
	           }
            }
         }
       }
				 
				
}

void Time_month2_Control(char *month,unsigned int *date){//判别闰平年 
	if((date[0] % 4 == 0 && date[0] % 100 != 0 )|| date[0] % 400 == 0) month[2] = 29;
	else month[2] = 28;
}

void Time_Show(unsigned int *time){
	   OLED_ShowNum(1,1,time[0], 2);
	   OLED_ShowString(1, 3, ":");
	   OLED_ShowNum(1,4,time[1], 2);
	   OLED_ShowString(1, 6, ":");
	   OLED_ShowNum(1,7,time[2], 2);
}
void Time_Show_Date(unsigned int *date){
	   OLED_ShowNum(2,1,date[0], 4);
	   OLED_ShowString(2, 5, "/");
	   OLED_ShowNum(2,6,date[1], 2);
	   OLED_ShowString(2, 8, "/");
	   OLED_ShowNum(2,9,date[2], 2);
}



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    Time.h:

    //显示时间&日期
#ifndef __TIME_H
#define __TIME_H
#include "stm32f10x.h"  
#include 

void Time_Init(void);
void Time_Control(unsigned int *time, char *month, unsigned int *date);
void Time_month2_Control(char *month,unsigned int *date);
void Time_Show(unsigned int *time);
void Time_Show_Date(unsigned int *date);
	
#endif

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    Serial.c:

    #include "stm32f10x.h"                  // Device header
#include 
#include 
#include "Delay.h"
#include 
#include "OLED.h"

uint8_t Serial_RxData;//存数据
uint8_t Serial_RxFlag;//标志位
GPIO_InitTypeDef GPIO_InitStructu;//GPIO
USART_InitTypeDef USART_InitStructure;//串口
NVIC_InitTypeDef NVIC_InitStructur;//中断
char news[100] = "";//存数据
uint8_t I = 0;
uint8_t flagDate = 0;//标志是否传入日期数据
uint8_t flagTime = 0;//标志是否传入时间数据


void Serial_Init(void)
{
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
	
	 
	GPIO_InitStructu.GPIO_Mode = GPIO_Mode_AF_PP;
	GPIO_InitStructu.GPIO_Pin = GPIO_Pin_9;
	GPIO_InitStructu.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA, &GPIO_InitStructu);
	
	GPIO_InitStructu.GPIO_Mode = GPIO_Mode_IPU;
	GPIO_InitStructu.GPIO_Pin = GPIO_Pin_10;
	GPIO_InitStructu.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(GPIOA, &GPIO_InitStructu);
	
	
	 
	USART_InitStructure.USART_BaudRate = 9600;
	USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
	USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
	USART_InitStructure.USART_Parity = USART_Parity_No;
	USART_InitStructure.USART_StopBits = USART_StopBits_1;
	USART_InitStructure.USART_WordLength = USART_WordLength_8b;
	USART_Init(USART1, &USART_InitStructure);
	
	
	
	 
	USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
	
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//通道
	
	 
	NVIC_InitStructur.NVIC_IRQChannel = USART1_IRQn;//中断通道
	NVIC_InitStructur.NVIC_IRQChannelCmd = ENABLE;
	NVIC_InitStructur.NVIC_IRQChannelPreemptionPriority = 3;
	NVIC_InitStructur.NVIC_IRQChannelSubPriority = 1;
	NVIC_Init(&NVIC_InitStructur);
	
	USART_Cmd(USART1, ENABLE);
}


uint8_t Serial_GetRxFlag(void)//读取标志位后自动青除
{
	if (Serial_RxFlag == 1)
	{
		Serial_RxFlag = 0;
		return 1;
	}
	return 0;
}

uint8_t Serial_GetFlagDate(void)//读取标志位后自动青除
{
	if (flagDate == 1)
	{
		flagDate = 0;
		return 1;
	}
	return 0;
}

uint8_t Serial_GetRFlagTime(void)//读取标志位后自动青除
{
	if (flagTime == 1)
	{
		flagTime = 0;
		return 1;
	}
	return 0;
}

void Serial_GetRxFlag_SET(void){
	   Serial_RxFlag = 1;
}

char * Serial_returnNews(void){//返还一个数组
	     char * array;
	     //int j = I;
	     uint8_t i = 0;
	     array = (char *) malloc(sizeof(char) * 100);
	     while(i < I){
				    if(news[i] == '/') flagDate = 1;
				    if(news[i] == ':') flagTime = 1;
				    array[i] = news[i];
				    i ++;
			 }
			 return array;
}

void Serial_RESETI(void){//初始化I
	   I = 0;
}

uint8_t Serial_GetI(void){//返回I
	   return I;
}
	
void USART1_IRQHandler(void)//中断函数
{
	
	if (USART_GetITStatus(USART1, USART_IT_RXNE) == SET)
	{
		news[I] = USART_ReceiveData(USART1);//读数据
		Serial_RxFlag = 1;//至标志位为有数据
		I ++;
		USART_ClearITPendingBit(USART1, USART_IT_RXNE);
		 
	}
}



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    Serial.h:

    #ifndef __SERIAL_H
#define __SERIAL_H
#include "stm32f10x.h"  
#include 

void Serial_Init(void);
uint8_t Serial_GetRxFlag(void);
uint8_t Serial_GetRxData(void);
void Serial_GetRxFlag_SET(void);
char * Serial_returnNews(void);
void Serial_RESETI(void);
uint8_t Serial_GetI(void);
uint8_t Serial_GetRFlagTime(void);
uint8_t Serial_GetFlagDate(void);

#endif


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    效果：

    在这里插入图片描述
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    在这里插入图片描述
    在这里插入图片描述
    时间 + 日期

    main.c:

    #include "stm32f10x.h"    // Device header
#include "Delay.h"
#include "OLED.h"
#include "Serial.h"
#include "Time.h"
#include "Function.h"
#include 
#include 


char *News = NULL;//存数据
unsigned int time[] = {22, 59, 30};
unsigned int date[] = {2023, 12, 31};
char month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
unsigned int updateTime[] = {0, 0, 0};
unsigned int updateDate[] = {0, 0, 0};

void TIM2_IRQHandler(void){//定时器2
	   //主要运用时间更新
	   if(TIM_GetITStatus(TIM2, TIM_IT_Update) == SET){
			  
			 TIM_ClearITPendingBit(TIM2, TIM_IT_Update);//清除标志位
			 Time_Control(time, month, date);
		 }
		  
}
 

 
int main(void){
	 
	OLED_Init();//初始化OLED
  Time_Init();//开启计时器
	Serial_Init();//开启串口
	while(1){
		uint16_t flag = 0;
		Time_month2_Control(month, date); 
		if(Serial_GetRxFlag() == 1){
			 Delay_ms(1000);//等待数据传输完
			 News = Serial_returnNews();
			 
			 OLED_ShowString(3, 1, News);
			 if((flag = Function_DateCheck(Serial_GetRFlagTime(), Serial_GetFlagDate())) == 0){//至少得有标志符号
				  OLED_ShowString(4, 1, "error");
			 }
			 else{
				    if(flag == 1){
							if(Function_TimeUpdate(updateTime, time, News) == 1) OLED_ShowString(4, 1, ":RIGHT");//写入
				      else  OLED_ShowString(4, 1, "ERROR"); 									
						}
            else{
							  if(Function_DateUpdate(updateDate,date,News) == 1)OLED_ShowString(4, 1, "/RIGHT");
							  else
									  OLED_ShowString(4, 1, "ERROr");
						}
            Function_ArrayReset(updateTime, updateDate);				
			 }
			 Serial_RESETI();//I至0
			 Serial_GetRxFlag();//制零否者if循环将会被执行两次
			 free(News);//释放空间必须释放否者发生地址紊乱，直接卡机
		}
		Time_Show(time);
		Time_Show_Date(date);
		    
	}
	
}



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    Function.c:

    #include "stm32f10x.h"
#include "Serial.h"
#include "OLED.h"
#include "Delay.h"
//一些函数的实现

void Function_ArrayClear(char *News){//恢复数组初始化
	   uint16_t i = 0;
	   for(i = 0; i < 100; i ++) News[i] = '\0';
}

uint8_t Function_ArrayLength(char * a){//计算数组长度函数
	      uint8_t length = 0;
	      uint8_t i = 0;
	      while(a[i] != '\0'){
					i ++;
					length ++;
				}
				return length;
}


uint8_t Function_DateCheck(uint8_t flagTime, uint8_t flagDate){
	   if(flagDate == flagTime) return 0;
	   if(flagTime == 1) return 1;
	   return 2;
}
uint8_t Function_Numlength(uint16_t num){
	  uint8_t length = 0;
	  if(num == 0) return (uint8_t) 1;
	  while(num > 0){
		   num = num / 10;
		   length = length + 1;
	  }
	  return length;
}
uint8_t Function_TimeDateState(unsigned int *updateTime, char *News){
	      uint8_t cnt = 0;
	      uint8_t i = 0;
	      uint8_t end = Serial_GetI();
	      while(i < end){
					if(News[i] == ':') {
						 cnt ++;
						 i ++;
						 if(cnt >= 3) return 0;
						 continue;
					}
					 
				  updateTime[cnt] = updateTime[cnt] * 10 + (News[i] - '0');
					i ++;
				}
				 
				if(cnt != 2) return 0;
				 
				if(Function_Numlength(updateTime[0]) >= 3 || updateTime[0] > 23) return 0;
				 
				if(Function_Numlength(updateTime[1]) >= 3 || updateTime[1] > 59) return 0;
				if(Function_Numlength(updateTime[2]) >= 3 || updateTime[2] > 59) return 0;
				 
				return 1;
}

uint8_t Function_TimeUpdate(unsigned int *updateTime, unsigned int *time, char *News){
	   if(Function_TimeDateState(updateTime, News) == 1){
			  uint8_t i = 0;
			  //OLED_ShowString(2, 12, "here");
			  while(i < 3){
					   time[i] = updateTime[i];
					   i ++;
				}
				return 1;
		 }
		 return 0;
}

void Function_ArrayReset(unsigned int *updateTime, unsigned int *updateDate){
	   uint8_t i = 0;
	   while(i < 3){
			 updateDate[i] = 0;
			 updateTime[i] = 0;
			 i ++;
		 }
}

uint8_t Function_DateState(unsigned int *updateDate, char *News){
	      uint8_t cnt = 0;
	      uint8_t i = 0;
	      uint8_t end = Serial_GetI();
	      char month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
	      while(i < end){
					if(News[i] == '/') {
						 cnt ++;
						 i ++;
						 if(cnt >= 3) {
							 
							 return 0;
						 }
						 continue;
					}
					updateDate[cnt] = updateDate[cnt]* 10 + (News[i] - '0');
					i ++;
        }
				 
				if(cnt != 2) return 0;
				  
				if(Function_Numlength(updateDate[0]) >= 5 || updateDate[0] > 9999 || updateDate[0] == 0) return 0;
				
				if((updateDate[0] % 4 == 0 && updateDate[0] % 100 != 0 )|| updateDate[0] % 400 == 0) month[2] = 29;
	      else month[2] = 28;
				 
				if(Function_Numlength(updateDate[1]) >= 3 || updateDate[1] > 12 || updateDate[1] == 0) return 0;
				if(Function_Numlength(updateDate[2]) >= 3 || updateDate[2] > month[updateDate[1]]|| updateDate[2] == 0) return 0;
				 
				return 1;
				
}

uint8_t Function_DateUpdate(unsigned int *updateDate, unsigned int *date, char *News){
	   if(Function_DateState(updateDate, News) == 1){
			  uint8_t i = 0;
			   
			  while(i < 3){
					   date[i] = updateDate[i];
					   i ++;
				}
				return 1;
		 }
		 return 0;
}



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    Function.h:

    #ifndef __FUNCTION_H
#define __FUNCTION_H
#include "stm32f10x.h"  
#include 

void Function_ArrayClear(char *News);
uint8_t Function_ArrayLength(char * a);
uint8_t Function_DateCheck(uint8_t flagDate, uint8_t flagTime);
uint8_t Function_Numlength(uint16_t num);
uint8_t Function_TimeDateState(unsigned int *updateTime, char *News);
uint8_t Function_TimeUpdate(unsigned int *updateTime, unsigned int *time, char *News);
void Function_ArrayReset(unsigned int *updateTime, unsigned int *updateDate);
uint8_t Function_DateState(unsigned int *updateDate, char *News);
uint8_t Function_DateUpdate(unsigned int *updateDate, unsigned int *date, char *News);

#endif

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    效果：

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  • 原文地址：https://blog.csdn.net/xyint/article/details/133869043