i2c_m.lst

8051单片机的LCDTV用户界面程序

C51 COMPILER V7.01  I2C_M                                                                  09/15/2005 01:21:56 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE I2C_M
OBJECT MODULE PLACED IN .\i2c_m.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE F:\工作文档\MX's MCU\IIC Demo Code\i2C\i2c_m.c BROWSE DEBUG OBJECTEXTEND PR
                    -INT(.\i2c_m.lst) OBJECT(.\i2c_m.obj)

stmt level    source

   1          #include "mxREG52.H"
   2          #include "i2cm.h"
   3          
   4          unsigned char num = 0x00;
   5          unsigned char code DATA[]={0x36,0xAA,0xA5,0x5A};
   6          unsigned char idata SDATA[10];
   7          unsigned char trans_done;
   8          unsigned char idata Slave_Adr;
   9          unsigned char idata FReceive_Done;
  10          unsigned char idata FTransmitted_Done;
  11          
  12          //------------------------------------------------------
  13          //i2c interrupt service routine
  14          //------------------------------------------------------
  15          
  16          void i2c_isr(void) interrupt 5
  17          {       
  18   1          switch(S1STA)
  19   1              {
  20   2                      //=====SLAVE RECEIVE mode===================
  21   2                      case SR_SLAW_ACK:                       //0x60
  22   2                      transreg(SR_SLAW_ACK);
  23   2                      num = 0;
  24   2                      S1CON=RELEASE_BUS_ACK;
  25   2                      break;
  26   2      
  27   2      //              case SR_SLAW_NONACK:            //0x68
  28   2      //              transreg(SR_SLAW_NONACK);
  29   2      //              num=0;
  30   2      //              S1CON=RELEASE_BUS_NONACK;
  31   2      
  32   2                      case SR_DATA_ACK:                       //0x80
  33   2                      transreg(SR_DATA_ACK);
  34   2                      SDATA[num]=S1DAT;
  35   2                      transreg(SDATA[num]);
  36   2                      num++;
  37   2                      S1CON=RELEASE_BUS_ACK;
  38   2                      break;
  39   2      
  40   2      //              case SR_DATA_NONACK:            //0x88          
  41   2      //              transreg(SR_DATA_NONACK);
  42   2      //              SDATA[num]=S1DAT;
  43   2      //              num++;
  44   2      //              S1CON=RELEASE_BUS_NONACK;
  45   2      //              break;
  46   2      
  47   2                      case SR_STOP_ACK:                       //0xA0  receive has done
  48   2                      transreg(SR_STOP_ACK);  
  49   2                      S1CON=RELEASE_BUS_NONACK;
  50   2                      FReceive_Done = 1;
  51   2                      break;
  52   2                      //==========================================
  53   2                      //=====SLAVE TRANSMITTER mode===============
  54   2                      case ST_SLAR_ACK:                       //0xA8
C51 COMPILER V7.01  I2C_M                                                                  09/15/2005 01:21:56 PAGE 2   

  55   2      //              transreg(ST_SLAR_ACK);
  56   2      //              num=0;
  57   2                      S1DAT = 0x36;//DATA[num]; 
  58   2      //        num++;
  59   2                      S1CON=0xC2;
  60   2                      break;
  61   2      
  62   2                      case ST_DATA_ACK:                       //0xB8
  63   2                      transreg(ST_DATA_ACK);  
  64   2                      S1DAT=DATA[num];
  65   2                      num++;
  66   2                      S1CON = RELEASE_BUS_ACK;
  67   2                      break;
  68   2      
  69   2                      case ST_STOP_NONACK:            //0xC0
  70   2      //              transreg(ST_STOP_NONACK);
  71   2                      S1CON=RELEASE_BUS_ACK;
  72   2                      FTransmitted_Done =1;
  73   2                      break;
  74   2      
  75   2              }
  76   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    168    ----
   CONSTANT SIZE    =      4    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =     13    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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