TEST/TEST_Prj/dysys_prj/程序/USER/main.c

#include "led.h"
#include "delay.h"
#include "sys.h"
#include "stm32f10x.h"
#include "stdio.h"
#include "usart.h"
#include "adc.h"
#include "oled.h"
#include "ds18b20.h"
#include "HX711.h"

#define HwInput1 PBin(8) //红外传感器输入 
#define HwInput2 PBin(7) //红外传感器输入
#define HwInput3 PBin(6) //红外传感器输入
#define HwInput4 PBin(5) //红外传感器输入

#define KEY1 PAin(0)    // 手动取消报警按钮

int temp_val=0;
u16 get_cnt=0;
u16 ds_val=0;//滴速
u16 sy_val=0;//剩余量

void KEY_Init(void)
{
	 GPIO_InitTypeDef  GPIO_InitStructure;
	 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB, ENABLE);	 //使能端口时钟
	 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;				 // 端口配置
	 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; 		 //上拉输入
	 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		 //IO口速度为50MHz
	 GPIO_Init(GPIOA, &GPIO_InitStructure);					 //根据设定参数初始化
	
	 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_7|GPIO_Pin_6;				 // 端口配置
	 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; 		 //上拉输入
	 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;		 //IO口速度为50MHz
	 GPIO_Init(GPIOB, &GPIO_InitStructure);					 //根据设定参数初始化
}

u16 count=0;
u16 Rpm_count=0;
void exti_Init(void)
{
	 EXTI_InitTypeDef EXTI_InitStruct;
	 NVIC_InitTypeDef NVIC_InitStruct;
	 GPIO_InitTypeDef GPIO_InitStructure;
//   KEY_Init();//IO初始化
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);//配置外部中断时钟
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);//使能GPIOA时钟

	GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_9;//
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成输入
 	GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化GPIOA8
	 //io口与中断线映射 
	GPIO_EXTILineConfig(GPIO_PortSourceGPIOA,GPIO_PinSource9);//链接到中断线8  GPIO8只能映射到中断线4上面
	EXTI_InitStruct.EXTI_Line=EXTI_Line8;//确定中断线
	EXTI_InitStruct.EXTI_LineCmd=ENABLE;//使能
	EXTI_InitStruct.EXTI_Mode=EXTI_Mode_Interrupt;//中断模式
	EXTI_InitStruct.EXTI_Trigger=EXTI_Trigger_Falling;//上降沿触发
	EXTI_Init(&EXTI_InitStruct);//初始化 

	NVIC_InitStruct.NVIC_IRQChannel=EXTI9_5_IRQn;
/*
需要明确的是，PxN管脚共用外部中断线EXTIN和外部中断向量EXTIN_IRQn
和中断服务程序入口EXTIN_IRQHandler，但是需要注意的是[9...5]
共用EXTI9_5_IRQn和EXTI9_5_IRQHandler、[15...10]共用EXTI15_10_IRQn和EXTI15_10_IRQHandler
*/
	NVIC_InitStruct.NVIC_IRQChannelCmd=ENABLE;//使能
	NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority=2;//中断抢优先级
	NVIC_InitStruct.NVIC_IRQChannelSubPriority=2;
	NVIC_Init(&NVIC_InitStruct);//初始化
}

void EXTI9_5_IRQHandler(void)
{
	
	if(EXTI_GetITStatus(EXTI_Line9)!=RESET)
	{
	   count++;
	}
  EXTI_ClearITPendingBit(EXTI_Line9);//清除中断 标志
}


 //通用定时器4中断初始化
//这里时钟选择为APB1的2倍，而APB1为36M
//arr：自动重装值。
//psc：时钟预分频数
//这里使用的是定时器2!

void TIM2_Int_Init(u16 arr,u16 psc)
{
  TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
 	NVIC_InitTypeDef NVIC_InitStructure;


	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); //时钟使能
	
	//定时器TIM4初始化
	TIM_TimeBaseStructure.TIM_Period = arr; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值	
	TIM_TimeBaseStructure.TIM_Prescaler =psc; //设置用来作为TIMx时钟频率除数的预分频值
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置时钟分割:TDTS = Tck_tim
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM向上计数模式
	TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); //根据指定的参数初始化TIMx的时间基数单位
 
	TIM_ITConfig(TIM2,TIM_IT_Update, ENABLE ); //使能指定的TIM4中断,允许更新中断

	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //中断分组 2
	//中断优先级NVIC设置
 	NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;  //TIM6中断
 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;  //先占优先级0级
 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;  //从优先级3级
 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道被使能
 	NVIC_Init(&NVIC_InitStructure);  //初始化NVIC寄存器
	TIM_Cmd(TIM2, ENABLE);  //使能TIMx
}

void TIM2_IRQHandler() 
{					  
	static  u8 st;
	static	u16 pw=0;
	st=TIM_GetFlagStatus(TIM2, TIM_IT_Update);
	if(st!=0)
	{  
		TIM_ClearFlag(TIM2, TIM_IT_Update);
		if(++pw>=100*60)//10s时间到 
		{
							pw=0;
							ds_val=count;//获取滴速 
							count=0;
		}
		if(HwInput1==0)
		{ 
		  sy_val=100;
		}
		else if(HwInput2==0)
		{
		   sy_val=50;
		}
		else if(HwInput3==0)
		{
		  sy_val=10;
		}
		else if(HwInput4==0)
		{
		  sy_val=0;
		}
		get_cnt++;
	}
}



char showbuff[16]={0};
u8 warning_sta=0;//异常状态
u8 warning_flag=0;//警告标志位

int main(void)
{	 
  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置中断优先级分组为组2：2位抢占优先级，2位响应优先级
	delay_init();	    	 //延时函数初始化	  
 	LED_Init();		  			//初始化与LED连接的硬件接口
	uart_init(9600);
	delay_ms(500);
	OLED_Init();
	OLED_Clear();
	DS18B20_Init();

	
	sprintf(showbuff,"温度:%2d.%1d",temp_val/10,temp_val%10); //打印成字符串
  OLED_ShowText(0,0,showbuff,0); //显示 
	
	sprintf(showbuff,"流速:%3d/min",ds_val); //打印成字符串
  OLED_ShowText(0,2,showbuff,0); //显示 
	
	sprintf(showbuff,"剩余量:%3d/ml",sy_val); //打印成字符串
  OLED_ShowText(0,4,showbuff,0); //显示 
	
	TIM2_Int_Init(71,10000) ; // 开启定时器4	10ms
	buzz=1;
 	while(1)
	{	 	
				
				if(get_cnt>100) //采集时间计数器 
				{
					  get_cnt=0;
						sprintf(showbuff,"温度:%2d.%1d",temp_val/10,temp_val%10); //打印成字符串
						OLED_ShowText(0,0,showbuff,0); //显示 
						
						sprintf(showbuff,"流速:%3d/min",ds_val); //打印成字符串
						OLED_ShowText(0,2,showbuff,0); //显示 
						
						sprintf(showbuff,"剩余量:%3d/ml",sy_val); //打印成字符串
						OLED_ShowText(0,4,showbuff,0); //显示 0); //打印成字符串
					
					  if(ds_val>70||ds_val<10||sy_val==10||sy_val==0)//滴速 通常成人每分钟40-60滴，儿童每分钟20-40滴。
					  {
					     warning_flag=1;
					  }
					  printf("SZZ152_X%2d.%1dH%dD%dZ%dK\r\n",temp_val/10,temp_val%10,ds_val,sy_val,warning_flag);//串口发送给wifi模块
						
						if(warning_flag)
						{
						  buzz=!buzz;//声光报警触发
						}else
						{
						   buzz=1;
						}
				}
				
				if(KEY1==0)
				{
					 delay_ms(5);//延时
				   if(KEY1==0)
					 {
					     while(!KEY1);
							 warning_flag=0;
							 
					 }
				}
				delay_ms(5);//延时
	} 
}