main.lst

用c语言编写的单片机程序

C51 COMPILER V6.12  MAIN                                                                   01/24/2006 09:00:57 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Manley\c51\BIN\C51.EXE main.c DB OE SMALL ROM(LARGE) 

stmt level    source

   1          #include <main.h>
   2          #include <com.h>
   3          sbit ctr_bc = P1^5 ;
   4          sbit SEND485 = P1^0;
   5          
   6          bit fctr_len = TRUE;
   7          word pre_ctr_len = NULL_WORD;
   8          word pre_ctr_num = NULL_WORD;
   9          byte ctr_num = NULL_BYTE;
  10          byte xdata ctr_data[INF_R_BUFF_LEN];//片外数据存储(16bit)
  11          
  12          byte bdata err_reg = NULL_BYTE;//片内可位寻址的RAM空间(16byte)
  13          
  14          byte xdata *x = 0x0000;
  15          
  16          void init_mcu(void)
  17          {
  18   1          TMOD = 0x21; //设置9600波特率的T1采用方式2,T0采用方式1，为16位定时器//
  19   1          SCON = 0x50;//
  20   1          PCON = 0x00;
  21   1          ES = 1;//开串口中断
  22   1          EX0=1;//允许外部中断0
  23   1          EX1=1;//允许外部中断1
  24   1          TH1 = 0xfd;
  25   1          TL1 = 0xfd;//9600波特率
  26   1          TH0 = 0xd8;
  27   1          TL0 = 0xef;//9600波特率
  28   1          IT0 = 1;//外部中断0采用边沿触发
  29   1          IT1 = 1;//外部中断1采用边沿触发
  30   1          ET0 = 1;
  31   1          TR0 = 1;
  32   1          TR1 = 1;
  33   1          PS = 1;			//串行口为高级中断		
  34   1          PX1 = 1;		//外部中断1为高级中断
  35   1          EA= 1 ;
  36   1          TI = 0; //串口无发送中断
  37   1      }
  38          
  39          
  40          
  41          void init_gct(void)
  42          {
  43   1      	ctr_bc = 1;
  44   1      }    
  45          
  46          void prc_ctr(void)
  47          {
  48   1        
  49   1              switch(ctr_data[0])
  50   1          	{
  51   2          		case 0x0a://司机室停止与乘客通话
  52   2          			if(ctr_data[1] == 0x01)
  53   2          			{
  54   3          				ctr_bc = 0;
  55   3          			}
C51 COMPILER V6.12  MAIN                                                                   01/24/2006 09:00:57 PAGE 2   

  56   2          			else if(ctr_data[1] == 0x00)
  57   2          			{
  58   3          				ctr_bc = 1;
  59   3          			}
  60   2      		break;
  61   2                  default:break;
  62   2      	}
  63   1      }     			
  64          
  65          void chk_send_empty(void)
  66          {
  67   1      	if(pcom_send_buff_rd == com_s_buff + COM_S_BUFF_LEN)
  68   1      	{
  69   2      		if(pcom_send_buff_wr == com_s_buff)
  70   2      			com_send_buff_empty = TRUE;//rd指针读到fifo末尾时，写指针在fifo开头位置，则fifo为空
  71   2      		pcom_send_buff_rd = com_s_buff;//把rd指针移到fifo开头位置
  72   2      	}
  73   1      	else
  74   1      	{
  75   2      		pcom_send_buff_rd++;	
  76   2      		if(pcom_send_buff_wr == pcom_send_buff_rd)
  77   2      			com_send_buff_empty = TRUE;//若rd指针在fifo中间，当prc指针加1后与写指针相等，则fifo也为空
  78   2      	}
  79   1      }
  80          
  81          void main(void)
  82          {
  83   1      	byte tmp;
  84   1      	init_gct();
  85   1      	init_mcu();
  86   1      	init_timer();
  87   1      	init_com();
  88   1      	init_max3100();
  89   1      	while(TRUE)
  90   1          	{
  91   2              	if(!com_r_buff_empty)
  92   2      			com_r_prc();
  93   2      		if(!com_send_buff_empty)
  94   2      		{
  95   3      			tmp = *pcom_send_buff_rd;
  96   3      			max3100_senddata(tmp);
  97   3      			chk_send_empty();
  98   3      		}
  99   2      		while(!inf_r_buff_empty)
 100   2      		{
 101   3      			if(inf_r_total)
 102   3      			{
 103   4      				if(fctr_len)
 104   4              			{
 105   5                          			fctr_len = FALSE;
 106   5                          			w_b.b.l = get_inf_r_data();
 107   5                          			w_b.b.h = get_inf_r_data();
 108   5                          			pre_ctr_len = w_b.w;
 109   5              			}
 110   4              			else
 111   4              			{
 112   5                          			ctr_data[pre_ctr_num] = get_inf_r_data();
 113   5                          			pre_ctr_num++;
 114   5                          			if(pre_ctr_num == pre_ctr_len)
 115   5              				{
 116   6                              			pre_ctr_num = NULL_BYTE;
 117   6                           				inf_r_total--;
C51 COMPILER V6.12  MAIN                                                                   01/24/2006 09:00:57 PAGE 3   

 118   6                              			fctr_len = TRUE;
 119   6                      				ctr_num++;
 120   6                              			prc_ctr();						
 121   6              				}				
 122   5              			}
 123   4                  		}				
 124   3          		}
 125   2          	}
 126   1           
 127   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    241    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   4096    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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