system.lst

MzT24_Driver_C8051彩屏液晶驱动

C51 COMPILER V8.02   SYSTEM                                                                06/27/2007 01:39:53 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SYSTEM
OBJECT MODULE PLACED IN System.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE System.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //====================================================================//
   2          //文件：System.c
   3          //描述：系统初始化程序集
   4          //备注：包括上电后的时钟初始化、端口、功能模块等
   5          //作者：xinqiang 2006 08 12     Mz Designed   小丑
   6          //====================================================================//
   7          #include "C8051F020.h"
   8          #include "intrins.h"                    //包含此头文件可直接操作内核的寄存器以及一些定义好的宏
   9          
  10          
  11          sbit LCD_ON = P1^6;                                             //LCD背光灯控制开关
  12          
  13          //===================================================//
  14          //程序：void System_Initial(void)
  15          //描述：串行口初始化程序，初始化波特率、模式等
  16          //参数：无
  17          //返回：无
  18          //Note:  Edit by Mz      xinqiang zhang（小丑）
  19          //Date:  2006 08 10      beijing
  20          //===================================================//
  21          void System_Initial(void)
  22          {
  23   1              unsigned char i;                              // delay counter
  24   1              //看门狗初始化代码
  25   1              WDTCN = 0xde;                       // disable watchdog timer
  26   1              WDTCN = 0xad;
  27   1              //系统时钟初始化代码
  28   1              OSCXCN = 0x67;                      // start external oscillator with
  29   1                                              // 25MHz crystal
  30   1              for (i=0; i < 255; i++) _nop_();    // XTLVLD blanking interval (>1ms)
  31   1      
  32   1              while (!(OSCXCN & 0x80)) ;          // Wait for crystal osc. to settle
  33   1      
  34   1              OSCICN = 0x88;                      // select external oscillator as SYSCLK
  35   1                                              // source and enable missing clock
  36   1                                              // detector//   */
  37   1              //统端口初始化代码
  38   1      //      P4 = P4&0xfb;
  39   1              EMI0CF = 0x38;                                          //外部总线接口的模式:利用P4~P7,带块选择
  40   1                                                                                      //非复用方式  ALE为2个Systemclock
  41   1              EMI0TC = 0xff;//a;//6;// 0xdc;          //驱动控制MT22G06LCD时，要注意总线时序的配置，否则无法正常驱动LCD
  42   1      
  43   1              XBR0    = 0x00;                     // Enable UART0 RX/TX Port
  44   1              XBR1    = 0x00;
  45   1              XBR2 &= 0x7f;
  46   1              XBR2 |= 0x40;                           // Enable crossbar and weak pull-ups
  47   1              P0MDOUT = 0x01;                         // enable TX0 as a push-pull output
  48   1      //      P0 = 0x08;
  49   1              P1MDOUT = 0xff;
  50   1              P1 = 0x00;
  51   1              P2MDOUT = 0xff;
  52   1              P2 = 0xff;
  53   1              P3MDOUT = 0xff;                         // 
  54   1              P3 = 0xff;
  55   1      ///     LCD_ON  = 0;
C51 COMPILER V8.02   SYSTEM                                                                06/27/2007 01:39:53 PAGE 2   

  56   1      //      LCD_ON  = 1;
  57   1      //      P74OUT |= 0xff;
  58   1      
  59   1              //其它的设置代码
  60   1      }
  61          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     62    ----
   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)