车库发射.lst

单片机车库巡检系统程序

C51 COMPILER V7.50   车库发射                                                              06/15/2006 20:54:46 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 车库发射
OBJECT MODULE PLACED IN 车库发射.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE 车库发射.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //ptr8000: DR=P3.2;   W8000: DR=P1.0;
   2          
   3          
   4          
   5          #include <reg52.h>
   6          
   7          #define  NRF905_BUFFER=0x20;
   8          
   9          sfr AUXR=0x8e;
  10          sfr SPCTL=0x85;
  11          sfr SPSTAT=0x84;
  12          sfr SPDAT=0x86;
  13          sfr P1M0=0x91;
  14          sfr P1M1=0x92;
  15                  
  16          
  17          sbit TX_EN=P1^2;
  18          sbit TRX_CE=P1^3;
  19          sbit PWR_UP=P1^1;
  20          sbit DR=P1^0;
  21          sbit ESPI=IE^5;
  22          sbit SCLK=P1^7;
  23          sbit MISO=P1^6;
  24          sbit MOSI=P1^5;
  25          sbit CSN=P1^4; 
  26          sbit MCU_WORK_LED=P3^4;
  27          
  28          void initial_SPI()
  29          {       P1M0=0x40;
  30   1              P1M1=0xa0;
  31   1              AUXR=0xf7;
  32   1              SPCTL=0xd0;
  33   1              SPSTAT=0xc0;
  34   1      }
  35          
  36          
  37          void spi_send_byte(byte_data)
  38          {
  39   1              SPDAT=byte_data;
  40   1              while(!(SPSTAT&0x80));
  41   1              SPSTAT=0xc0;
  42   1      }
  43          
  44          void initial_nrf905()
  45          {       
  46   1              CSN=0;
  47   1              spi_send_byte(0x00);
  48   1              spi_send_byte(0x6E);//433.4MHz
  49   1              spi_send_byte(0x0C);
  50   1              spi_send_byte(0x44);
  51   1              spi_send_byte(0x05);//发射有效数据长度5字节
  52   1              spi_send_byte(0x05);//接收有效数据长度5字节
  53   1              spi_send_byte(0xFE);
  54   1              spi_send_byte(0xFE);
  55   1              spi_send_byte(0xFE);
C51 COMPILER V7.50   车库发射                                                              06/15/2006 20:54:46 PAGE 2   

  56   1              spi_send_byte(0xFE);
  57   1              spi_send_byte(0xdb);
  58   1              CSN=1;
  59   1      }
  60          
  61          
  62          void nrf905_tx_add(unsigned char address)
  63          {       unsigned char i;
  64   1              CSN=0;
  65   1                spi_send_byte(0x22);
  66   1                for(i=4;i>0;i--)
  67   1            spi_send_byte(address);
  68   1               CSN=1;
  69   1      }
  70          
  71          void nrf905_data_send()
  72          {unsigned char i,buffer;
  73   1              CSN=0;
  74   1                      spi_send_byte(0x20);
  75   1                      buffer=0x55;
  76   1                for(i=5;i>0;i--)
  77   1                      spi_send_byte(buffer--);
  78   1              CSN=1;  
  79   1      }
  80          
  81          void delay()
  82          {unsigned char i,j;
  83   1       for(i=10;i>0;i--)
  84   1              for(j=50;j>0;j--);
  85   1              }
  86          
  87          void main()
  88          {       unsigned char i;
  89   1              SP=0x7f;
  90   1              TX_EN=1;
  91   1              PWR_UP=1;
  92   1              TRX_CE=0;
  93   1              TX_EN=0;
  94   1              delay();
  95   1              initial_SPI();
  96   1              initial_nrf905();
  97   1              while(1)
  98   1                      { for(i=250;i>0;i--)
  99   2                       {      nrf905_tx_add(i);
 100   3                              //MCU_WORK_LED=!MCU_WORK_LED;
 101   3                              nrf905_data_send();
 102   3                              TX_EN=1;
 103   3                              TRX_CE=1;
 104   3                              while(DR==0);
 105   3                              delay();
 106   3                              TX_EN=1;
 107   3                              TRX_CE=0;}
 108   2                              MCU_WORK_LED=!MCU_WORK_LED;
 109   2                              
 110   2                      }
 111   1      }
 112          
 113          
 114          
 115                  
 116          

C51 COMPILER V7.50   车库发射                                                              06/15/2006 20:54:46 PAGE 3   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    187    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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