STM32F103控制ds18b20温度采集,带电脑端上位机源码

ID:249826 · 发表于 2018-3-23 14:22

STM32F103控制ds18b20温度采集，带电脑端上位机源码。

vs源码与上位机的执行文件都有

stm32单片机下位机源程序如下:

/*************************************************
Template:远程传输设备
author:ncy
date:2017-6-26
complete data：2017-6-27
**************************************************/
#include "sys.h"
#include "delay.h"
#include "led.h"
#include "rtc.h"
#include "time.h"
#include "stmflash.h"
#include "exti.h"
#include "adc.h"
#include "key.h"
#include "timer.h"
#include "ds18b20.h"
#include "DS18B20_2.h"
#include "24cxx.h"
#include "usart.h"
#include "mlx90614.h"
#define Write_Base_Address 0x0807F800//保存参数
u8 Set_Cal_Time=10;
u16 data_cnt=0x00;
u8 Send_Led_Flag=0x00;
u8 Recv_Led_Flag=0x00;
float tm_mlx=0.0;
int main(void)
{
float AD_values;
u16 year;
u16 write_address=50;//start address 读写的基地址
u8 month,day,hour,min,sec;
u8 time_buf[8];
u8 data_buf[10];
u8 tm1_buf[4],tm2_buf[4];
u8 ad_buf[6];
u8 write_buf[41];//暂时100个字
u8 read_buf[40];
u8 i=0;
u8 set_time_ok[2]={0x4F,0x4B};
u8 set_cj_ok[2]={0x1c,0xc1};
float tm1,tm2;
delay_init();
LED_Init();
RTC_Init();
uart_init(115200);
TIM2_Int_Init(999,7199);//定时器2初始化
TIM3_Int_Init(999,7199);
TIM4_Int_Init(999,7199);
EXTIX_Init();
Adc_Init();
DS18B20_Init();
DS18B20_2_Init();
AT24CXX_Init();
SMBus_Init();
while(AT24CXX_Check())//cheak 24c02 is valid
{
//AT24C02 IS NOT
}
//读取参数配置信息
//1.当前配置的定时器读取时间参数
AT24CXX_WriteOneByte(0x00,data_cnt);
data_cnt=AT24CXX_ReadOneByte(0X00);
Set_Cal_Time=AT24CXX_ReadOneByte(0X01);
//当前存取的条目数字
//record
while(1)
{
/****************设置定时时长和日期******************************************************************/
if(USART_RX_STA&0X4000)
{
if(USART_RX_STA&0X1000)
{
Set_Cal_Time=USART_RX_BUF[2];
USART1_SendNums(set_cj_ok,2);
AT24CXX_WriteOneByte(0x01,Set_Cal_Time);
}
if(USART_RX_STA&0X0400)
{
//设置的格式
u16 year;
u8 month,day,hour,min,sec,temp;
year=2000+10*(USART_RX_BUF[2]/16)+USART_RX_BUF[2]%16;
month=10*(USART_RX_BUF[3]/16)+USART_RX_BUF[3]%16;
day=10*(USART_RX_BUF[4]/16)+USART_RX_BUF[4]%16;
hour=10*(USART_RX_BUF[5]/16)+USART_RX_BUF[5]%16;
min=10*(USART_RX_BUF[6]/16)+USART_RX_BUF[6]%16;
sec=10*(USART_RX_BUF[7]/16)+USART_RX_BUF[7]%16;
RTC_Set(year,month,day,hour,min,sec);//set local time
USART1_SendNums(set_time_ok,2);
}
count=0;
USART_RX_STA=0;
}
/*****************获取各个物理量*************************************************************/
tm1=DS18B20_Get_Temp(); //get tm1
tm_mlx=SMBus_ReadTemp();
//读取ADvalues
AD_values=Get_Adc_Average(0x01,10);
year=calendar.w_year; //
month=calendar.w_month;
day=calendar.w_date;
//AD values
ad_buf[0]='0';//暂时不上传
ad_buf[1]='.';
ad_buf[2]=(u8)AD_values*10%10+'0';
ad_buf[3]=(u8)AD_values*100%10+'0';
ad_buf[4]=(u8)AD_values*1000%10+'0';
ad_buf[5]=(u8)AD_values*10000%10+'0';
//报文格式
write_buf[0]=0xee;
for(i=0;i<6;i++)
{
write_buf[1+i]=ad_buf[i];
}
write_buf[7]=0x20;
//tm1
tm1_buf[0]=(u8)tm1/10+'0';
tm1_buf[1]=(u8)tm1%10+'0';
tm1_buf[2]='.';
tm1_buf[3]=(u8)tm1*10%10+'0';
for(i=0;i<4;i++)
{
write_buf[8+i]=tm1_buf[i];
}
write_buf[12]=0x20;
//tm2
tm2_buf[0]=(u8)tm_mlx/10+'0';
tm2_buf[1]=(u8)tm_mlx%10+'0';
tm2_buf[2]='.';
tm2_buf[3]=(u8)(tm_mlx*10)%10+'0';
for(i=0;i<4;i++)
{
write_buf[13+i]=tm2_buf[i];
}
write_buf[17]=0x20;
//date
data_buf[0]=year/1000+'0';
data_buf[1]=year/100%10+'0';
data_buf[2]=year/10%10+'0';
data_buf[3]=year%10+'0';
data_buf[4]='-';
data_buf[5]=month/10+'0';
data_buf[6]=month%10+'0';
data_buf[7]='-';
data_buf[8]=day/10+'0';
data_buf[9]=day%10+'0';
for(i=0;i<10;i++)
{
write_buf[18+i]=data_buf[i];
}
write_buf[28]=0x20;
//time
hour=calendar.hour;
min=calendar.min;
sec=calendar.sec;
time_buf[0]=hour/10+'0';
time_buf[1]=hour%10+'0';
time_buf[2]=':';
time_buf[3]=min/10+'0';
time_buf[4]=min%10+'0';
time_buf[5]=':';
time_buf[6]=sec/10+'0';
time_buf[7]=sec%10+'0';
for(i=0;i<8;i++)
{
write_buf[29+i]=time_buf[i];
}
write_buf[37]=0xff;
write_buf[38]=0xfc;
write_buf[39]=0xff;
write_buf[40]=0xff;
//USART1_SendNums(write_buf,41);//发送偏移的计算
if(read_flag==1&&write_flag==0)
{
TIM_Cmd(TIM3, DISABLE);//OPEN
TIM_Cmd(TIM4, ENABLE);//OPEN
if((time4_flag==1)&&(data_cnt>0))
{
data_cnt--;
AT24CXX_Read((data_cnt*41+write_address),(u8*)read_buf,41);//读取read_buf
USART1_SendNums(read_buf,41);//发送偏移的计算
AT24CXX_WriteOneByte(0x00,data_cnt);//write one byte to 24Cxx
time4_flag=0;
Recv_Led_Flag=0X00;
Send_Led_Flag=0x01;
}
if(data_cnt==0)
{
Send_Led_Flag=0x00;
TIM_Cmd(TIM4,DISABLE);//定时器3close
}
}
if(read_flag==0&&write_flag==1)
{
TIM_Cmd(TIM3, ENABLE); //OPEN
TIM_Cmd(TIM4, DISABLE); //OPEN
if(time3_flag==1)
{
AT24CXX_Write((write_address+data_cnt*41),(u8*)write_buf,41);
data_cnt++;
if(data_cnt==100)//存储了100条，表示空间已满
{
data_cnt=0;//归位
}
//保存基地址
AT24CXX_WriteOneByte(0x00,data_cnt);//write one byte to 24Cxx
Send_Led_Flag=0x00;
Recv_Led_Flag=0X01;
time3_flag=0;
}
}
}
}