util.lst

RFID读写卡程序

C51 COMPILER V7.08   UTIL                                                                  01/05/2006 16:42:03 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE UTIL
OBJECT MODULE PLACED IN util.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE util.c OPTIMIZE(9,SPEED) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*= util.c =========================================================================================
   2           *
   3           * Copyright (C) 2004 Nordic Semiconductor
   4           *
   5           * This file is distributed in the hope that it will be useful, but WITHOUT WARRANTY OF ANY KIND.
   6           *
   7           * Author(s): Ole Saether
   8           *
   9           * COMPILER:
  10           *
  11           *   This program has been tested with Keil C51 V7.08 and 7.09
  12           *
  13           * $Revision: 2 $
  14           * 
  15           *==================================================================================================
  16          */
  17          #include <Nordic\reg9e5.h>
  18          #include "uart.h"
  19          #include "util.h"
  20          
  21          const char hex_tab[] = "0123456789ABCDEF";      // ASCII-hex table used by hex-output routines
  22          
  23          static volatile unsigned idata timer[2];        // Two utility timers used in radio.c
  24          static volatile unsigned char t0lrel, t0hrel;
  25          
  26          void Delay100us(unsigned char n)
  27          {
  28   1          unsigned char i;
  29   1          while(n--)
  30   1              for(i=0;i<35;i++)
  31   1                  ;
  32   1      }
  33          
  34          unsigned char SpiReadWrite(unsigned char b)
  35          {
  36   1          EXIF &= ~0x20;                              // Clear SPI interrupt
  37   1          SPI_DATA = b;                               // Move byte to send to SPI data register
  38   1          while((EXIF & 0x20) == 0x00)                // Wait until SPI hs finished transmitting
  39   1              ;
  40   1          return SPI_DATA;
  41   1      }
  42          
  43          //void PutString(const char *s)
  44          //{
  45          //    while(*s != 0)
  46          //        PutChar(*s++);
  47          //}
  48          
  49          //void HexOutNib(unsigned char n)
  50          //{
  51          //    PutChar(hex_tab[n & 0x0f]);
  52          //}
  53          
  54          //void HexOutByte(unsigned char b)
  55          //{
C51 COMPILER V7.08   UTIL                                                                  01/05/2006 16:42:03 PAGE 2   

  56          //    HexOutNib(b >> 4);
  57          //    HexOutNib(b & 0x0f);
  58          //}
  59          
  60          //void HexOutWord(unsigned int w)
  61          //{
  62          //    HexOutByte(w >> 8);
  63          //    HexOutByte(w & 0xff);
  64          //}
  65          
  66          void InitTimer(void)
  67          {
  68   1          timer[0] = timer[1] = 0;
  69   1      
  70   1          TR0 = 0;
  71   1          TMOD &= ~0x03;
  72   1          TMOD |= 0x01;                               // mode 1
  73   1          CKCON |= 0x08;                              // T0M = 1 (/4 timer clock)
  74   1          t0lrel = 0x60;                              // 1KHz tick...
  75   1          t0hrel = 0xF0;                              // ... = 65536-16e6/(4*1e3) = F060h
  76   1          TF0 = 0;                                    // Clear any pending Timer0 interrupts
  77   1          TR0 = 1;                                    // Start Timer0
  78   1          ET0 = 1;                                    // Enable Timer0 interrupt
  79   1      }
  80          
  81          void Timer0ISR (void) interrupt 1
  82          {
  83   1          TF0 = 0;                                    // Clear Timer0 interrupt
  84   1          TH0 = t0hrel;                               // Reload Timer0 high byte
  85   1          TL0 = t0lrel;                               // Reload Timer0 low byte
  86   1          timer[0]++;                                 // Increment timer[0]
  87   1          timer[1]++;                                 // Increment timer[1
  88   1      }
  89          
  90          void ResetTimer(unsigned char n)
  91          {
  92   1          ET0 = 0;                                    // Disable Timer0 interrupt
  93   1          timer[n & 0x01] = 0;                        // Clear timer[n]
  94   1          ET0 = 1;                                    // Enable Timer0 interrupt
  95   1      }
  96          
  97          unsigned GetTimer(unsigned char n)
  98          {
  99   1          unsigned tmp;
 100   1          ET0 = 0;                                    // Disable Timer0 interrupt
 101   1          tmp = timer[n];                             // Clear timer[n]
 102   1          ET0 = 1;                                    // Enable Timer0 interrupt
 103   1          return tmp;
 104   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    139    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     19    ----
   IDATA SIZE       =      4    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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