89lv51.lst

51单片机通过无线收发模块nRF24L01实现通信的程序,以及和PC通信的串口程序

C51 COMPILER V7.06   89LV51                                                                05/08/2007 23:29:40 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE 89LV51
OBJECT MODULE PLACED IN 89LV51.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE 89LV51.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          #include <intrins.h>
   3          #include "api.h"
   4          /***************************************************/
   5          BYTE RFFlag,UartFlag;
   6          /**************************************************/
   7          BYTE    bdata sta;
   8          sbit    RX_DR   =sta^6;
   9          sbit    TX_DS   =sta^5;
  10          sbit    MAX_RT  =sta^4;
  11          /**************************************************
  12          Function: InitUart();
  13          
  14          Description:
  15            set uart working mode 
  16          /**************************************************/
  17          void InitUart(void)
  18          {
  19   1              TMOD = 0x20;                            //timer1 working mode 2
  20   1              TL1 = 0xfd;                                     //f7=9600 for 16mhz Fosc,and ... 
  21   1              TH1 = 0xfd;                                     //...fd=19200 for 11.0592mhz Fosc
  22   1      
  23   1              //SCON = 0xd8;                          //uart mode 3,ren==1, 1101_1000,9位数据
  24   1              SCON = 0x58;                            //uart mode 1,ren==1, 0101_1000,8位数据
  25   1              PCON = 0x80;                            //smod=0
  26   1              TR1 = 1;                                        //start timer1
  27   1              //
  28   1              ET1 = 0;//禁止定时器1中断
  29   1              ES = 1; //允许串行中断
  30   1      }
  31          /**************************************************/
  32          
  33          /**************************************************
  34          Function: init_int0();
  35          
  36          Description:
  37            enable int0 interrupt;
  38          /**************************************************/
  39          void Init_int0(void)
  40          {
  41   1              EA=1;
  42   1              EX0=1;                                          // Enable int0 interrupt.
  43   1      }
  44          
  45          /**************************************************/
  46          void delay_ms(BYTE x)
  47          {
  48   1          BYTE i,j;
  49   1          for(i=0;i<x;i++)
  50   1          {
  51   2             j=108;
  52   2             while(j--);
  53   2          }
  54   1      }
  55          /**************************************************/
C51 COMPILER V7.06   89LV51                                                                05/08/2007 23:29:40 PAGE 2   

  56          
  57          
  58          /**************************************************
  59          Function: RF_RX_Mode();
  60          
  61          Description:
  62            This function initializes one nRF24L01 device to
  63            RX Mode, set RX address, writes RX payload width,
  64            select RF channel, datarate & LNA HCURR.
  65            After init, CE is toggled high, which means that
  66            this device is now ready to receive a datapacket.
  67          /**************************************************/
  68          void RF_RX_Mode(void)
  69          {
  70   1              TRX_CE = TRX_Disable;
  71   1      
  72   1              /*SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // Use the same address on the RX de
             -vice as the TX device
  73   1      
  74   1              SPI_Write(WRITE_REG + EN_AA, 0x01);      // Enable Auto.Ack:Pipe0
  75   1              SPI_Write(WRITE_REG + EN_RXADDR, 0x01);  // Enable Pipe0
  76   1              SPI_Write(WRITE_REG + RF_CH, 40);        // Select RF channel 40
  77   1              SPI_Write(WRITE_REG + RX_PW_P0, TX_PLOAD_WIDTH); // Select same RX payload width as TX Payload width
  78   1              SPI_Write(WRITE_REG + RF_SETUP, 0x07);   // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR*/
  79   1      
  80   1              SPI_Write(WRITE_REG + CONFIG, 0x0f);     // Set PWR_UP bit, enable CRC(2 bytes) & Prim:RX. RX_DR enable
             -d..
  81   1      
  82   1              TRX_CE = TRX_Enable; // Set CE pin high to enable RX device
  83   1      
  84   1        //  This device is now ready to receive one packet of 16 bytes payload from a TX device sending to addre
             -ss
  85   1        //  '3443101001', with auto acknowledgment, retransmit count of 10, RF channel 40 and datarate = 2Mbps.
  86   1      
  87   1      }
  88          /**************************************************/
  89          
  90          /**************************************************
  91          Function: RF_TX_Mode();
  92          
  93          Description:
  94            This function initializes one nRF24L01 device to
  95            TX mode, set TX address, set RX address for auto.ack,
  96            fill TX payload, select RF channel, datarate & TX pwr.
  97            PWR_UP is set, CRC(2 bytes) is enabled, & PRIM:TX.
  98          
  99            ToDo: One high pulse(>10us) on CE will now send this
 100            packet and expext an acknowledgment from the RX device.
 101          /**************************************************/
 102          void RF_TX_Mode(void)
 103          {
 104   1              TRX_CE = TRX_Disable;
 105   1              
 106   1              SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); // Writes data to TX payload
 107   1              SPI_Write(WRITE_REG + SETUP_RETR, 0x1a); // 500us + 86us, 10 retrans...
 108   1      
 109   1              /*SPI_Write_Buf(WRITE_REG + TX_ADDR, TX_ADDRESS, TX_ADR_WIDTH);    // Writes TX_Address to nRF24L01
 110   1              SPI_Write_Buf(WRITE_REG + RX_ADDR_P0, TX_ADDRESS, TX_ADR_WIDTH); // RX_Addr0 same as TX_Adr for Auto.Ac
             -k
 111   1              SPI_Write_Buf(WR_TX_PLOAD, tx_buf, TX_PLOAD_WIDTH); // Writes data to TX payload
 112   1      
 113   1              SPI_Write(WRITE_REG + EN_AA, 0x01);      // Enable Auto.Ack:Pipe0
C51 COMPILER V7.06   89LV51                                                                05/08/2007 23:29:40 PAGE 3   

 114   1              SPI_Write(WRITE_REG + EN_RXADDR, 0x01);  // Enable Pipe0
 115   1              SPI_Write(WRITE_REG + SETUP_RETR, 0x1a); // 500us + 86us, 10 retrans...
 116   1              SPI_Write(WRITE_REG + RF_CH, 40);        // Select RF channel 40
 117   1              SPI_Write(WRITE_REG + RF_SETUP, 0x07);   // TX_PWR:0dBm, Datarate:2Mbps, LNA:HCURR*/
 118   1      
 119   1              SPI_Write(WRITE_REG + CONFIG, 0x0e);     // Set PWR_UP bit, enable CRC(2 bytes) & Prim:TX. MAX_RT & TX_
             -DS enabled..
 120   1              TRX_CE = TRX_Enable;
 121   1      }
 122          /**************************************************/
 123          
 124          /**************************************************
 125          Function: check_ACK();
 126          
 127          Description:
 128            check if have "Data sent TX FIFO interrupt",if TX_DS=1,
 129            all led light and after delay 100ms all led close
 130          /**************************************************
 131          void check_ACK()
 132          {
 133                  BYTE test;
 134                  test=SPI_Read(READ_REG+STATUS); // read register STATUS's