基于单片机热电偶MAX6675温度控制

1456下载地址 https://docs.qq.com/doc/DWEpnR2pOWU91b3p4?pub=1&dver=2.1.0

#include <reg51.h>
#include <intrins.h> 
#include <math.h>
#define uchar  unsigned char
#define uint   unsigned int
#define ulong  unsigned long
//共阳极/*0,1,2,3,4,5,6,7,8,9,*/
uchar code SEG7[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
//显示缓冲
uchar num[2];
//位码定义
sbit      q1=P2^0;
sbit      q2=P2^1;
sbit      out1=P2^2;
sbit      out2=P2^3;
//定义温度数据变量
float temp = 0;
ulong x = 0;
uint  wendu;
sbit  SO=P1^0;  //P1.0口与SO相连
sbit  SCK=P1^1; //P1.1口与SCK相连
sbit  CS=P1^2;  //P1.2口与CS相连
//热电偶数据--读取温度
unsigned long Re_Convert() 
{ uchar i; 
  unsigned long Temp_2; 
  Temp_2=0;
  CS=1;
  SCK=0;  
  _nop_();_nop_(); 
  CS=0;
  for(i=0;i<16;i++)//16位数据读