main.lst

一个超全的仿真程序含C源码,包括1602LED显示,两位共阴数码管显示,ADC0809模块转换,拔码地址开关,18B20温度显示,max485联机通迅,max232串口通迅

C51 COMPILER V6.12  MAIN                                                                   03/19/2008 10:34:01 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN .\main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\main.c BROWSE NOAREGS DEBUG OBJECTEXTEND

stmt level    source

   1          #include "main.h"
   2          
   3          /******************************
   4          微控电子 www.mcuc.cn
   5          modbus RTU 的C51程序 
   6          单片机89S52
   7          通信波特率 9600 8位数据 1位停止位 偶校验 485通位接口
   8          单片机控制板地址 localAddr(变量)
   9          通信可设置数据的地址：
  10          字地址 0 - 255 (只取16位的低8位)
  11          位地址 0 - 255 (只取16位的低8位)
  12          *******************************/
  13          
  14          uint32	dwTickCount,dwIntTick;	//时钟
  15          uint8	idata sendBuf[16],receBuf[16]; //发送接收缓冲区
  16          uint8	idata checkoutError;	// ==2 偶校验错  
  17          uint8	idata receTimeOut;		//接收超时
  18          uint8	idata c10ms;			//10ms 计时
  19          bit		b1ms,bt1ms,b10ms,bt10ms,b100ms,bt100ms;	//定时标志位
  20          
  21          // 串行中断程序
  22          void commIntProc() interrupt 4
  23          {
  24   1      	if(TI)
  25   1      	{
  26   2      		TI = 0; 
  27   2      		if(sendPosi < sendCount) 
  28   2      		{
  29   3      			sendPosi++;
  30   3      			ACC = sendBuf[sendPosi];
  31   3      			TB8 = P;	//加上校验位
  32   3      			SBUF = sendBuf[sendPosi];
  33   3      		}
  34   2      		else
  35   2      		{
  36   3      			b485Send = 0;    //发送完后将485置于接收状态
  37   3      			receCount = 0;   //清接收地址偏移寄存器
  38   3      			checkoutError = 0;
  39   3      		}
  40   2      	}
  41   1      	else if(RI)
  42   1      	{
  43   2      		RI = 0;
  44   2      		receTimeOut = 10;    //通讯超时值
  45   2      		receBuf[receCount] = SBUF;
  46   2      		ACC = receBuf[receCount];
  47   2      		if(P != RB8)
  48   2      			checkoutError = 2;	//偶校验出错
  49   2      		receCount++;          //接收地址偏移寄存器加1
  50   2      		receCount &= 0x0f;    //最多一次只能接收16个字节
  51   2      	}
  52   1      
  53   1      }   // void CommIntProc()
  54          
  55          //定时器0 1ms 中断
C51 COMPILER V6.12  MAIN                                                                   03/19/2008 10:34:01 PAGE 2   

  56          void timer0IntProc() interrupt 1
  57          {
  58   1      	TL0 = TIMER_LOW; 
  59   1          TH0 = TIMER_HIGHT;
  60   1          dwIntTick++;
  61   1      	bt1ms = 1;
  62   1          c10ms++;
  63   1          if(c10ms >= 10) 
  64   1          {
  65   2              c10ms = 0;      //10ms计时器清零
  66   2              bt10ms = 1;
  67   2          }
  68   1      }   // void Timer0IntProc()
  69          
  70          //外部中断0
  71          void intEx0Proc(void) interrupt 0
  72          {
  73   1      
  74   1      }
  75          
  76          //计数器1中断
  77          void counter1IntProc(void) interrupt 3 using 1
  78          {
  79   1      
  80   1      }
  81          
  82          
  83          //定时处理
  84          void timeProc(void)
  85          {
  86   1      	static uint8 c200ms;
  87   1      
  88   1          bWatchDog = ~ bWatchDog;    //看门狗取反
  89   1      	b1ms = 0;
  90   1      	b10ms = 0;
  91   1      	b100ms = 0;
  92   1      	
  93   1      	ET0 = 0;
  94   1      	dwTickCount = dwIntTick;
  95   1      	ET0 = 1;
  96   1      
  97   1      	if(bt1ms)
  98   1      	{
  99   2      		bt1ms = 0;
 100   2      		b1ms = 1;
 101   2      
 102   2              if(receTimeOut>0)
 103   2              {
 104   3                  receTimeOut--;
 105   3                  if(receTimeOut==0 && receCount>0)   //判断通讯接收是否超时
 106   3                  {
 107   4                      b485Send = 0;       //将485置为接收状态
 108   4                      receCount = 0;      //将接收地址偏移寄存器清零
 109   4      				checkoutError = 0;
 110   4                  }
 111   3              }
 112   2      	}
 113   1      	
 114   1      	if(bt100ms)
 115   1      	{
 116   2      		bt100ms = 0;
 117   2      		b100ms = 1;
C51 COMPILER V6.12  MAIN                                                                   03/19/2008 10:34:01 PAGE 3   

 118   2      	}
 119   1          if(bt10ms)      //判断中断10ms标志位是否1
 120   1          {
 121   2              bt10ms = 0;     //清中断10ms标志位
 122   2      		b10ms = 1;
 123   2      
 124   2              c200ms++;                   //200ms计时器加1
 125   2              if(c200ms >= 20)            //判断是否计时到200ms
 126   2              {
 127   3                  c200ms = 0;             //清200ms计时器
 128   3                  bRunLED = ~bRunLED;     //取反运行指示灯          
 129   3              }
 130   2          }
 131   1      }   // void TimerProc(void)
 132          
 133          //初始化串口
 134          void initUart(void)
 135          {
 136   1      	//T2 用于波特率 9600
 137   1      	T2CON = 0x30;
 138   1      	RCAP2H = 0xff;
 139   1      	RCAP2L = 0xb8;
 140   1      	TR2 = 1;
 141   1      
 142   1      	//偶校验 						
 143   1      	SCON = 0xd0;
 144   1          PCON = 0;
 145   1          ES = 1;
 146   1      }//void initUart(void)
 147          
 148          //初始化中断
 149          void initInt(void)
 150          {
 151   1      	TMOD = 0x51;
 152   1      	TH0 = TIMER_HIGHT;
 153   1      	TL0 = TIMER_LOW;
 154   1      	TR0 = 1;	
 155   1          ET0 = 1;
 156   1      	TH1 = 0;			//9600
 157   1          TL1 = 0;
 158   1      	TR1 = 0;			//定时器1用于计数定时器2用于波特
 159   1      	ET1 = 1;
 160   1      	//PT1 = 1;
 161   1      
 162   1      	IT0 = 1;	
 163   1          IT1 = 1;
 164   1      	EX0 = 0;	
 165   1      	PX0 = 1;
 166   1          EX1 = 0;
 167   1      
 168   1      	initUart();
 169   1      
 170   1      	EA = 1;		
 171   1      }   // void initInt(void)
 172          
 173          //初始化
 174          void initProg(void)
 175          {	
 176   1      	initInt();
 177   1      	b485Send = 0;
 178   1      }
 179          
C51 COMPILER V6.12  MAIN                                                                   03/19/2008 10:34:01 PAGE 4   

 180          void main(void)
 181          {
 182   1      	initProg();
 183   1      
 184   1      	while(1)
 185   1      	{
 186   2      		timeProc();
 187   2      		checkComm0Modbus();
 188   2      	}
 189   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    313    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      9    ----
   IDATA SIZE       =     35    ----
   BIT SIZE         =      6    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)