74hc164.lst

Keilc下的ucosII操作实时系统

C51 COMPILER V8.02   74HC164                                                               08/27/2008 16:58:18 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 74HC164
OBJECT MODULE PLACED IN .\obj\74hc164.obj
COMPILER INVOKED BY: f:\Keil\C51\BIN\C51.EXE Source\74hc164.c LARGE BROWSE DEBUG OBJECTEXTEND PRINT(.\lst\74hc164.lst) O
                    -BJECT(.\obj\74hc164.obj)

line level    source

   1          #include <reg52.h>
   2          
   3          
   4          sbit   CLR=P3^0;      //用P3^0控制CLR
   5          sbit   CLK=P3^1;
   6          sbit   DAT=P3^0;
   7          
   8          unsigned char code tab[17]={0x11,0x7d,0x23,0x29,0x4d,0x89,0x81,0x3d,
   9                              //0,1,2,3,4,5,6,7,
  10                              0x01,0x09,0x05,0xc1,0xe3,0x61,0x83,0x87,0xff};
  11                              //8,9a,b,c,d,e,f,灭
  12          
  13          //----------------------------------------------------------------------
  14          //  函数名称：UART_init()
  15          //  功能说明：串口初始化，设定串口工作在方式0
  16          //----------------------------------------------------------------------
  17          void UART_Init(void)
  18          {
  19   1              SCON =0x00;              //没串行口方式0，允许发送，启动发送过程
  20   1              EA=0;                    // 禁止中断 
  21   1      }
  22          //---------------------------------------------------------------------
  23          //  函数名称：out()
  24          //  输入参数：dat，需要从74LS164并行口输出的数据
  25          //      dat:要高位在前的传输
  26          //  输出参数：无
  27          //  功能说明：发送八位串行数据至并口
  28          //---------------------------------------------------------------------
  29          void HC164_Out(unsigned char dat)
  30          {
  31   1              CLR =0;                    //并口输出清零
  32   1              CLR =1;                     //开始串行移位
  33   1              UART_Init();                //74LS164工作在时钟控制下的串行移位状态
  34   1              while(TI!=0);             //循环等待
  35   1              TI=0;
  36   1              SBUF=dat;
  37   1      }
  38          //不是用串口
  39          void SendData(unsigned char dat)
  40          {
  41   1              unsigned char num,i; 
  42   1          num=(tab[dat]|0x01);
  43   1          for(i=0;i<8;i++)
  44   1               {
  45   2                              CLK=0;
  46   2                              DAT=num&0x01;
  47   2                              CLK=1;
  48   2                              num>>=1;             
  49   2                }             
  50   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     49    ----
C51 COMPILER V8.02   74HC164                                                               08/27/2008 16:58:18 PAGE 2   

   CONSTANT SIZE    =     17    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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