水温控制系统设计：基于PT1000的温度监测与控制

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//           (C) COPYRIGHT 2003  SUNNORTH TECHNOLOGY CO.
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//  The entire notice above must be reproduced on all authorized copies.
//========================================================

//============================================================
//  工程名称： temperature_ctrl.scs
//  功能描述:  水温控制系统，利用温度传感器（PT1000)）测量温度。是水温控制在设定的温度?
//  硬件连接：IOA8-15----LEDa--dp.
//            IOB0-IOB2----LEDcs1-cs3
//            IOA0--IOA2---KEY1---KEY3
//            IOA3----ADC 
//            IOA4----Relay
//            IOB7 IOB10---UART
//  文件来源：《实验指导书》"实验一 熟悉IDE环境下的汇编程序的编写"第9页
//  IDE环境：   SUNPLUS u'nSPTM  IDE 1.8.0
//
//  涉及的库：
//  组成文件:
//     main.c  
//      isr.asm
//      key.asm
//      hardware.asm
//      led.asm
//      system.asm
//      sacm_user_a2000.h

//  日期:          2003-7-4
//===============================================

//*****************************************************************************/
// 文件名称： main.c// 
// 实现功能： 温度设置、温度显示、温度控制。
// 日期： 2003/7/4
//*****************************************************************************/
#include "key.h"
#include "a2000.h"
#include "hardware.h"
#include "sacm_user_A2000.h"

#define     Time5s            8;
#define     Time1s            2;    
#define     SET_ADC_TIME      Time5s

typedef struct PID {

        int    SetPoint;           //  设定目标 Desired Value
        float  Proportion;         //  比例常数 Proportional Const
        float  Integral;           //  积分常数 Integral Const
        float  Derivative;         //  微分常数 Derivative Const
        int    LastError;          //  Error[1]
        int    PrevError;          //  Error[2]
        int    SumError;           //  误差累计值

} PID;
PID  stPID;
int fOut=0;