delay.lst

Display driver for Hyvix HDC1600 LCD controller in Keil C for 8051

C51 COMPILER V7.09   DELAY                                                                 08/24/2007 15:55:02 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE DELAY
OBJECT MODULE PLACED IN delay.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE delay.c OPTIMIZE(SIZE) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*
   2          *********************************************************************************************************
   3          *                                                                       SIMPLE SOFTWARE DELAY FUNCTIONS
   4          *
   5          * File name             : delay.c
   6          * Programmer    : John Leung, TechToys. Hong Kong
   7          * Web presence  : www.TechToys.com.hk
   8          * Note                  : 
   9          * Language              : Keil C 7.xx 2K limited version under uVision2 IDE
  10          * Hardware              : not specified
  11          * Date                  : Version 0.0 (30th May 2006)
  12          *********************************************************************************************************
  13          *                                                                                       DESCRIPTION
  14          *
  15          * This module provides interface for simple software delay functions adjusted for external
  16          * crystal of 11.0592MHz
  17          *********************************************************************************************************
  18          */
  19          
  20          #include <REG51RB2.H>
  21          #include "delay.h"
  22          
  23          /*
  24          *********************************************************************************************************
  25          *                                                       DELAY MICRO-SECOND FUNCTION
  26          *
  27          * Description : This function implements a software delay in usec. However, this is NOT an exact
  28          *                               usec delay function.
  29          *                               Timing calculation as (13*N+26)us at 11.0592MHz, (12*N+24)us at 12MHz
  30          * Arguments   : 'N'             time to delay, (13*N+26)us, adjusted for external crystal of 11.0592MHz,
  31          *                                               12 clock cycle timing
  32          *                       
  33          * Returns     : none
  34          *********************************************************************************************************
  35          */
  36          void DelayUs(unsigned int N)
  37          {
  38   1              unsigned int x;
  39   1      
  40   1              for(x=0; x<=N;x++);
  41   1      }
  42          
  43          /*
  44          *********************************************************************************************************
  45          *                                                       DELAY MILLI-SECOND FUNCTION
  46          *
  47          * Description : This function implements a software delay in millisec. Parameters adjusted for an 
  48          *                               external crystal of 11.0592MHz, with mcu of 12 clock cycle              
  49          * Arguments   : 'msec'          time to delay, roughly in millisec timing
  50          *                       
  51          * Returns     : none
  52          *********************************************************************************************************
  53          */
  54          void DelayMs(unsigned int msec)
  55          {
C51 COMPILER V7.09   DELAY                                                                 08/24/2007 15:55:02 PAGE 2   

  56   1              unsigned int x,y;
  57   1      
  58   1              for(x=0; x<=msec;x++)
  59   1                      {
  60   2                              for(y=0;y<=110;y++);
  61   2                      }
  62   1      }
  63          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     50    ----
   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)