spi.lst

基于ZLGD7290的加热炉手动控制程序。采用K型温度传感器测温。

C51 COMPILER V7.50   SPI                                                                   12/25/2007 22:48:13 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE SPI
OBJECT MODULE PLACED IN spi.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE spi.c BROWSE DEBUG OBJECTEXTEND PREPRINT

line level    source

   1                                                  /* ---------- 宏晶科技 大唐设计  9/30/2004--- */ 
   2          /* ---Fax: [phone] -------------------- */ 
   3          /* ---Mobile:[phone]--------------------- */ 
   4          /* ---Email: [e-mail]------------ */ 
   5          
   6          #include <reg52.h>
   7          #include <stdio.h>
   8          #include <intrins.h> 
   9          #include <spi.h>
  10          
  11                          
  12          
  13          //typedef       unsigned char   uchar;          /* 8 bit 无符号整型 */
  14          //typedef       unsigned int    uint;           /* 16 bit 无符号整型 */
  15          
  16          uchar read_one_word()
  17          {
  18   1              uchar   i       =       0;
  19   1              uchar   temp    =       0;
  20   1              uint    one_data        =       0;
  21   1      
  22   1      //      MISO    =       1;
  23   1              CS              =       0;      
  24   1              for(i = 0; i < 16; i ++)
  25   1              {
  26   2                      one_data = one_data << 1;
  27   2      
  28   2                      SCLK = 0;
  29   2                      _nop_();
  30   2                      SCLK = 1;
  31   2                      _nop_();
  32   2                      if(MISO ==      1)
  33   2                      {
  34   3                              one_data = one_data | 0x01;
  35   3                      }
  36   2              }
  37   1      
  38   1              SCLK    =       0;
  39   1              CS              =       1;
  40   1              return (one_data);
  41   1      }
  42          
  43          void Init_SPI()
  44          {
  45   1              CS      =       1;
  46   1              MISO    =       1;
  47   1              SCLK    =       0;
  48   1      }
  49          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     43    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V7.50   SPI                                                                   12/25/2007 22:48:13 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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