rs232.lst

基于KEIL51的一款高性能的数字功放的完整代码

C51 COMPILER V8.05a   RS232                                                                10/15/2006 22:08:32 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE RS232
OBJECT MODULE PLACED IN RS232.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE RS232.C OMF2 BROWSE DEBUG

line level    source

   1          #include <config.h>
   2          
   3          
   4          #define IN_UART
   5          
   6          #define  RECEBUFFER_COUNT  8
   7          #define  SENDBUFFER_COUNT  16
   8          
   9          unsigned char idata rs232_recedata=0x00;  //从接收缓冲中取得的数据
  10          
  11          unsigned char idata rs232_recerece=0x00;   // 发送位置的标志
  12          unsigned char idata rs232_recesend=0x00;   // 已经处理的位置标志
  13          unsigned char idata rs232_recebytes=0x00;  // 缓冲区还存在的字节数
  14          #if   XDATA_USING
              unsigned char xdata rs232_recebuff[RECEBUFFER_COUNT];
              #else
  17          unsigned char idata rs232_recebuff[RECEBUFFER_COUNT];
  18          #endif
  19          
  20          unsigned char idata rs232_sendrece=0x00;   // 发送位置的标志
  21          unsigned char idata rs232_sendsend=0x00;   // 已经处理的位置标志
  22          unsigned char idata rs232_sendbytes=0x00;  // 缓冲区还存在的字节数
  23          #if   XDATA_USING
              unsigned char xdata rs232_sendbuff[SENDBUFFER_COUNT];
              #else
  26          unsigned char idata rs232_sendbuff[SENDBUFFER_COUNT];
  27          #endif
  28          
  29          void rs232_initialize(void)
  30          {       AUXR &=0x3f;    //设定定时器0，1为普通的12时钟速度  T0x12=0,T1x12=0
  31   1              SCON = 0x50;
  32   1              PCON = 0x80;
  33   1              TMOD &=0x0f;
  34   1              TMOD |=0x20;
  35   1      
  36   1      //      TH1  = 0xf8;  /* 11.0592MHz晶振, 38400bps */
  37   1      //      TL1  = 0xf8;  /* 11.0592MHz晶振, 38400bps */
  38   1      
  39   1              TH1  = 0xfe;  /* 22.1184MHz晶振, 57600bps */
  40   1              TL1  = 0xfe;  /* 22.1184MHz晶振, 57600bps */
  41   1      //      TH1  = 0xfc;  /* 22.1184MHz晶振, 57600bps */
  42   1      //      TL1  = 0xfc;  /* 22.1184MHz晶振, 57600bps */
  43   1      //      TH1  = 0xfa;  /* 22.1184MHz晶振, 38400bps */
  44   1      //      TL1  = 0xfa;  /* 22.1184MHz晶振, 38400bps */
  45   1      //      TH1  = 0xf4;  /* 22.1184MHz晶振, 19200bps */
  46   1      //      TL1  = 0xf4;  /* 22.1184MHz晶振, 19200bps */
  47   1      //      TH1  = 0xe8;  /* 22.1184MHz晶振, 9600bps */
  48   1      //      TL1  = 0xe8;  /* 22.1184MHz晶振, 9600bps */
  49   1      
  50   1      
  51   1          TF1 = 0X00;     // 定时器1的溢出标志
  52   1              TR1  = 0x01;
  53   1          TI  = 0x00;
  54   1          RI  = 0x00;
  55   1          ET1 = 0x01;     // 定时器1的中断使能
C51 COMPILER V8.05a   RS232                                                                10/15/2006 22:08:32 PAGE 2   

  56   1          ES  = 0x01;   // 开放串口
  57   1        //  PS  = 0x01;   // 将串口的优先级设定为最高
  58   1       }
  59          
  60          
  61          
  62          // rs232 sendbuffer 的自动处理和安排
  63          void rs232_senddata(unsigned char ch)
  64          {
  65   1      #if  RS232_USING      
               if(rs232_sendbytes==0x00)       //如果缓冲区已经发送完毕，则要启动发送
                  {rs232_sendbytes++;
                       SBUF=ch;        
                       } 
               else  // 如果缓冲区还有其他数据等待发送
                  {if(rs232_sendrece>=SENDBUFFER_COUNT)
                          rs232_sendrece=0x00;
                       rs232_sendbuff[rs232_sendrece]=ch;
                       rs232_sendbytes++;
                       rs232_sendrece++; 
                       } 
              #endif
  78   1      }
*** WARNING C280 IN LINE 63 OF RS232.C: 'ch': unreferenced local variable
  79          #if  RS232_USING
              #if RS232GET_USING
              bit rs232_getdata(void)
              {
               bit returan_val=0x00;
               if(rs232_recebytes==0x00)
                  returan_val=0;  // 如果没有数据则反馈为空
               else
                  {rs232_recedata=rs232_recebuff[rs232_recesend];
                       rs232_recesend++;
                       if(rs232_recesend>=RECEBUFFER_COUNT)
                          rs232_recesend=0x00;
                       if(rs232_recebytes>0x00)
                          rs232_recebytes--;
                        returan_val=0x01;
                       }
              
               return  returan_val;
              }
              
              #endif
              #endif
 101          
 102          // 串行的中断处理程序
 103          void rs232r_isr(void)  interrupt 4
 104          {
 105   1      #if  RS232_USING
               if(TI!=0x00)
                 { TI = 0x00;
                   TB8 =0x00;
                   if(rs232_sendbytes>0x00)  //本次发送完毕的处理
                          rs232_sendbytes--;
                       if(rs232_sendbytes>0x00)  //如果还需要发送
                         {if(rs232_sendsend>=SENDBUFFER_COUNT)
                                 rs232_sendsend=0x00;
                          SBUF=rs232_sendbuff[rs232_sendsend];
                          rs232_sendsend++;           
                          }
C51 COMPILER V8.05a   RS232                                                                10/15/2006 22:08:32 PAGE 3   

                       else   //全部归位,以防止错误一直发生
                         {rs232_sendsend=0x00;
                          rs232_sendrece=0x00;
                          }
                  } 
               if(RI!=0x00)
                 { RI = 0x00;  //清除接收标志
                   RB8 =0x00;
                   if(rs232_recerece>=RECEBUFFER_COUNT)
                          rs232_recerece=0x00;
                   rs232_recebuff[rs232_recerece++] = SBUF; 
                       rs232_recebytes++;
                      }
              #else
 131   1           TI = 0x00;
 132   1               RI = 0x00;  //清除接收标志
 133   1           RB8 =0x00;
 134   1      #endif
 135   1       }
 136          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     47    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =     31    ----
   BIT SIZE         =   ----    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)