C51 COMPILER V7.50   RX433                                                                 10/21/2008 10:38:16 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE RX433
OBJECT MODULE PLACED IN rx433.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE rx433.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*******************************************
   2          雙機無線收發接收端程序：
   3                  將無線接收到的字符顯示在PC串口。
   4          
   5          修改：將接收的數據個數由原先的緩沖區大小判斷改成由接收到第一個字節判斷。
   6          ******************************************/
   7          
   8          #include <Nordic\reg9e5.h>
   9          
  10          #define   HFREQ 0                     // 0=433MHz, 1=868/915MHz     (方便更改）
  11          #define   UART_BUFFER_SIZE    10       //定義串口緩沖區大小 10 bytes
  12          
  13          unsigned char UART_BUFFER[UART_BUFFER_SIZE+1];
  14          
  15          
  16          //串口發送1Byte
  17          void PutChar(char c)
  18          {
  19   1          while(!TI)                              //Wait until finished seri-port transmitting
  20   1              ;
  21   1              TI = 0;                                //Clear interrupt flag
  22   1          SBUF = c;                              //sending a byte
  23   1      }
  24          
  25          //串口發送字符串
  26          void PutString(const char *s,unsigned char strlen)
  27          {
  28   1          unsigned char k;
  29   1              //EIE &= 0xF0;
  30   1          for(k=1;k<=strlen;k++)
  31   1             {
  32   2               PutChar(*(s+k));
  33   2             }
  34   1              //EIE |= 0x0F;
  35   1      }
  36          
  37          
  38          unsigned char SpiReadWrite(unsigned char b)
  39          {
  40   1          EXIF &= ~0x20;                  // Clear SPI interrupt        (EXIP.5=0)
  41   1          SPI_DATA = b;                   // Move byte to send to SPI data register
  42   1          while((EXIF & 0x20) == 0x00)    // Wait until SPI hs finished transmitting   (測試EXIF.5的狀態)
  43   1                ;
  44   1          return SPI_DATA;
  45   1      }
  46          
  47          
  48          void Receiver(void)
  49          {
  50   1          unsigned char i=0;
  51   1          TXEN = 0;
  52   1          TRX_CE = 1;                     //進入接收模式
  53   1          while(DR == 0)                  //DR=0表示數據未準備好，等待
  54   1              ;
  55   1      
C51 COMPILER V7.50   RX433                                                                 10/21/2008 10:38:16 PAGE 2   

  56   1          TRX_CE=0;                       //進入待機模式才可讀寫SPI
  57   1          RACSN = 0;                      //內部SPI開始等待命令（1到0的跳變）
  58   1          SpiReadWrite(RRP);  
  59   1      /*
  60   1      while(DR == 1)
  61   1      {       UART_BUFFER[i] = SpiReadWrite(0); 
  62   1          i++;
  63   1      }
  64   1      */                      
  65   1              UART_BUFFER[0] = SpiReadWrite(0); 
  66   1              for(i=1;i<=UART_BUFFER[0];i++)   //****修改處*****
  67   1              {
  68   2                      UART_BUFFER[i] = SpiReadWrite(0);                
  69   2              }
  70   1              P04 = ~P04;
  71   1          RACSN = 1;
  72   1      //    TRX_CE = 1;                     //這時MCU才從SPI讀數據
  73   1      }
  74          
  75          void UART_Init(void)                //nRF9E5串口初始化
  76          {
  77   1          TH1 = 0xE6;                      // 9600@16MHz (when T1M=1 and SMOD=1)
  78   1          CKCON |= 0x30;                  // T1M=1 (/4 timer clock)
  79   1          PCON = 0x80;                    // SMOD=1 (double baud rate)
  80   1          SCON = 0x52;                    // Serial mode1, enable receiver
  81   1          TMOD = 0x20;                    // Timer1 8bit auto reload 
  82   1          TR1 = 1;                        // Start timer1  
  83   1          P0_ALT |= 0x06;
  84   1          P0_DIR  = 0xA2;                 // P0.1 (RxD) is input
  85   1      }
  86          
  87          void Init(void)                     //nRF9E5無線模塊初始化
  88          {
  89   1          unsigned char tmp,cklf;
  90   1          SPICLK = 0;                     // Max SPI clock
  91   1          SPI_CTRL = 0x02;                // Connect internal SPI controller to Radio
  92   1      
  93   1          // Configure Radio:
  94   1          RACSN = 0;
  95   1          SpiReadWrite(WRC | 0x03);       // Write to RF config address 3 (RX payload)
  96   1          SpiReadWrite(0x01);             // One byte RX payload
  97   1          SpiReadWrite(0x01);             // One byte TX payload
  98   1          RACSN = 1;
  99   1      
 100   1          RACSN = 0;
 101   1          SpiReadWrite(RRC | 0x01);       // Read RF config address 1
 102   1          tmp = SpiReadWrite(0) & 0xf1;   // Clear the power and frequency setting bits  
 103   1                                          //PA_PWR[1:0]=00(輸出電源-10dBm）Bit1：HFREQ_PLL=0（433MHz)
 104   1          RACSN = 1;
 105   1      
 106   1          RACSN = 0;
 107   1          SpiReadWrite(WRC | 0x01);           // Write RF config address 1
 108   1          SpiReadWrite(tmp | (HFREQ << 1));   // Change to 433 or 868/915MHz defined by HFREQ above:
 109   1          RACSN = 1;
 110   1      
 111   1      
 112   1          // 將時鐘頻率改為16MHz:
 113   1          RACSN = 0;
 114   1          SpiReadWrite(RRC | 0x09);
 115   1          cklf = SpiReadWrite(0) | 0x1c;
 116   1          RACSN = 1;
 117   1          RACSN = 0;
C51 COMPILER V7.50   RX433                                                                 10/21/2008 10:38:16 PAGE 3   

 118   1          SpiReadWrite(WRC | 0x09);
 119   1          SpiReadWrite(cklf);
 120   1          RACSN = 1;
 121   1      
 122   1      
 123   1          RACSN = 0;
 124   1          SpiReadWrite(WRC | 0x05);       //設置本接收器可接受的地址,與tx433里的配置一樣才可通信
 125   1          SpiReadWrite(0x18);
 126   1          SpiReadWrite(0x32);
 127   1          SpiReadWrite(0x40);
 128   1          SpiReadWrite(0xAF);
 129   1          RACSN = 1;
 130   1      
 131   1          RACSN = 0;
 132   1          SpiReadWrite(WRC | 0x03);       //設置本接收器可接受的數據寬度,與tx433里的配置一樣才可通信
 133   1          SpiReadWrite(0x20);             //接受數據寬度為32個字節
 134   1          RACSN = 1;
 135   1      
 136   1      
 137   1      }
 138          
 139          void main(void)
 140          {
 141   1          Init();
 142   1          UART_Init();
 143   1      //    EA=1;
 144   1      //    ES=1;
 145   1      
 146   1          while(1)
 147   1           { 
 148   2            Receiver();
 149   2            PutString(UART_BUFFER,UART_BUFFER[0]);
 150   2           }
 151   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    277    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     11       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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