C51 COMPILER V9.59.0.0   STC8A_I2C_ISR                                                     06/10/2021 10:06:08 PAGE 1   


C51 COMPILER V9.59.0.0, COMPILATION OF MODULE STC8A_I2C_ISR
OBJECT MODULE PLACED IN .\list\STC8A_I2C_Isr.obj
COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE STC8A_I2C_Isr.c OMF2 OPTIMIZE(8,SPEED) BROWSE DEBUG PRINT(.\list\STC8A_I
                    -2C_Isr.lst) TABS(2) OBJECT(.\list\STC8A_I2C_Isr.obj)

line level    source

   1          /*---------------------------------------------------------------------*/
   2          /* --- STC MCU Limited ------------------------------------------------*/
   3          /* --- STC 1T Series MCU Demo Programme -------------------------------*/
   4          /* --- Mobile: (86)13922805190 ----------------------------------------*/
   5          /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/
   6          /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/
   7          /* --- Web: www.STCMCU.com --------------------------------------------*/
   8          /* --- Web: www.STCMCUDATA.com  ---------------------------------------*/
   9          /* --- QQ:  800003751 -------------------------------------------------*/
  10          /* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序            */
  11          /*---------------------------------------------------------------------*/
  12          
  13          #include  "STC8A_I2C.h"
  14          
  15          //========================================================================
  16          //                               本地变量声明
  17          //========================================================================
  18          
  19          I2C_IsrTypeDef I2CIsr;
  20          
  21          //========================================================================
  22          //                            外部函数和变量声明
  23          //========================================================================
  24          
  25          
  26          //========================================================================
  27          // 函数: I2C_ISR_Handler
  28          // 描述: I2C中断函数.
  29          // 参数: none.
  30          // 返回: none.
  31          // 版本: V1.0, 2020-09-23
  32          //========================================================================
  33          void I2C_ISR_Handler() interrupt I2C_VECTOR
  34          {
  35   1        char store;
  36   1        
  37   1        store = P_SW2;
  38   1        P_SW2 |= 0x80;
  39   1      
  40   1        // TODO: 在此处添加用户代码
  41   1        if (I2CSLST & 0x40)
  42   1        {
  43   2          I2CSLST &= ~0x40;                       //处理START事件
  44   2        }
  45   1        else if (I2CSLST & 0x20)
  46   1        {
  47   2          I2CSLST &= ~0x20;                       //处理RECV事件，SLACKO设置为0
  48   2          if (I2CIsr.isda)
  49   2          {
  50   3            I2CIsr.isda = 0;                           //处理RECV事件（RECV DEVICE ADDR）
  51   3          }
  52   2          else if (I2CIsr.isma)
  53   2          {
  54   3            I2CIsr.isma = 0;                           //处理RECV事件（RECV MEMORY ADDR）
C51 COMPILER V9.59.0.0   STC8A_I2C_ISR                                                     06/10/2021 10:06:08 PAGE 2   

  55   3            I2CIsr.addr = I2CRXD;
  56   3            I2CTXD = I2C_Buffer[I2CIsr.addr];
  57   3          }
  58   2          else
  59   2          {
  60   3            I2C_Buffer[I2CIsr.addr++] = I2CRXD;            //处理RECV事件（RECV DATA）
  61   3          }
  62   2        }
  63   1        else if (I2CSLST & 0x10)
  64   1        {
  65   2          I2CSLST &= ~0x10;                       //处理SEND事件
  66   2          if (I2CSLST & 0x02)
  67   2          {
  68   3            I2CTXD = 0xff;
  69   3          }
  70   2          else
  71   2          {
  72   3            I2CTXD = I2C_Buffer[++I2CIsr.addr];
  73   3          }
  74   2        }
  75   1        else if (I2CSLST & 0x08)
  76   1        {
  77   2          I2CSLST &= ~0x08;                       //处理STOP事件
  78   2          I2CIsr.isda = 1;
  79   2          I2CIsr.isma = 1;
  80   2          DisplayFlag = 1;
  81   2        }
  82   1      
  83   1        P_SW2 = store;
  84   1      }
  85          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    177    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


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