C51 COMPILER V9.59.0.0   STC8A_SPI                                                         06/10/2021 17:30:09 PAGE 1   


C51 COMPILER V9.59.0.0, COMPILATION OF MODULE STC8A_SPI
OBJECT MODULE PLACED IN .\list\STC8A_SPI.obj
COMPILER INVOKED BY: C:\Keil_v5\C51\BIN\C51.EXE STC8A_SPI.c LARGE OMF2 OPTIMIZE(8,SPEED) BROWSE DEBUG PRINT(.\list\STC8A
                    -_SPI.lst) TABS(2) OBJECT(.\list\STC8A_SPI.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_SPI.h"
  14          
  15          u8  SPI_RxTimerOut;
  16          u8  SPI_BUF_type SPI_RxBuffer[SPI_BUF_LENTH];
  17          bit B_SPI_Busy; //发送忙标志
  18          
  19          
  20          //========================================================================
  21          // 函数: void SPI_Init(SPI_InitTypeDef *SPIx)
  22          // 描述: SPI初始化程序.
  23          // 参数: SPIx: 结构参数,请参考spi.h里的定义.
  24          // 返回: none.
  25          // 版本: V1.0, 2012-11-22
  26          //========================================================================
  27          void  SPI_Init(SPI_InitTypeDef *SPIx)
  28          {
  29   1        if(SPIx->SPI_SSIG == ENABLE)      SPCTL &= ~(1<<7); //enable SS, conform Master or Slave by SS pin.
  30   1        else                  SPCTL |=  (1<<7); //disable SS, conform Master or Slave by SPI_Mode
  31   1        SPI_Start(SPIx->SPI_Enable);
  32   1        SPI_FirstBit_Set(SPIx->SPI_FirstBit);
  33   1        SPI_Mode_Set(SPIx->SPI_Mode);
  34   1        SPI_CPOL_Set(SPIx->SPI_CPOL);
  35   1        SPI_CPHA_Set(SPIx->SPI_CPHA);
  36   1        SPI_Clock_Select(SPIx->SPI_Speed);
  37   1        
  38   1        SPI_RxTimerOut = 0;
  39   1        B_SPI_Busy = 0;
  40   1      }
  41          
  42          //========================================================================
  43          // 函数: void SPI_SetMode(u8 mode)
  44          // 描述: SPI设置主从模式函数.
  45          // 参数: mode: 指定模式, 取值 SPI_Mode_Master 或 SPI_Mode_Slave.
  46          // 返回: none.
  47          // 版本: V1.0, 2012-11-22
  48          //========================================================================
  49          void  SPI_SetMode(u8 mode)
  50          {
  51   1        if(mode == SPI_Mode_Slave)
  52   1        {
  53   2          SPCTL &= ~(1<<4); //重新设置为从机待机
  54   2          SPCTL &= ~(1<<7); //SS引脚确定主从
C51 COMPILER V9.59.0.0   STC8A_SPI                                                         06/10/2021 17:30:09 PAGE 2   

  55   2        }
  56   1        else
  57   1        {
  58   2          SPCTL |= (1<<4);  //使能 SPI 主机模式
  59   2          SPCTL |= (1<<7);  //忽略SS引脚功能
  60   2        }
  61   1      }
  62          
  63          //========================================================================
  64          // 函数: void SPI_WriteByte(u8 dat)
  65          // 描述: SPI发送一个字节数据.
  66          // 参数: dat: 要发送的数据.
  67          // 返回: none.
  68          // 版本: V1.0, 2020-09-14
  69          //========================================================================
  70          void  SPI_WriteByte(u8 dat)   //SPI发送一个字节数据
  71          {
  72   1        SPDAT = dat;
  73   1        B_SPI_Busy = 1;
  74   1        while(B_SPI_Busy) ;
  75   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    153    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =    129    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


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