printplan.lst

多字节汉字屏显示控制程序

C51 COMPILER V7.50   PRINTPLAN                                                             11/12/2007 21:03:44 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE PRINTPLAN
OBJECT MODULE PLACED IN E:\XLED\SOURCE\PRINTPLAN.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE E:\XLED\SOURCE\PRINTPLAN.C DB SB OE

line level    source

   1          #include        "config.h"
   2          #include    "Bmp.h"
   3          data    struct PRINTLED PRINT_INFOR;
   4          struct  print_asm idata printasm _at_ 0x30;                     //汇编程序读取其显存地址
   5          xdata   uchar   word;                                           //这个用于向主调函数返回存储器中是否有可显示的内容
   6          bit         rell_print;                                                 //可以更新显存标记
   7          uchar   NOW_ROW=0;
   8          uchar   T0H,T0L;
   9          extern uchar comtimeout;
  10          uchar data_load(struct windows xdata *pt) //new
  11          {
  12   1          uchar xdata  *data ptr_s;
  13   1              uchar code      *ps;
  14   1              uchar i,j;
  15   1          CS_RAM=0;
  16   1          if(word == 0xaa) return 0;
  17   1          //初始化点阵数据库
  18   1          pt->plan_flash = 1;                 //FLASH中的总计幕数
  19   1              pt->plan_point = 1;                     //指向FLASH中幕数的数值
  20   1              pt->plan_size  = 1;                     //当前缓冲的幕数     
  21   1              pt->plan = 0;                 
  22   1          pt->movintype[0]=0x03;
  23   1          pt->movsize[0] =5;          //移动速度50ms
  24   1          pt->showtime[0]=100;        //
  25   1          ptr_s = (uchar xdata *)&pt->printbuf[0][0];
  26   1          ps=&bmp;
  27   1              for(i=16;i!=0;i--)
  28   1              {
  29   2                      for(j=LIEDIP/8;j!=0;j--)
  30   2                      {
  31   3                  *ptr_s++ =*ps++;
  32   3                      }
  33   2              }
  34   1              #ifndef ALONE
  35   1                      ps=&bmp1;
  36   1                      for(i=16;i!=0;i--)
  37   1                      {
  38   2                              for(j=LIEDIP/8;j!=0;j--)
  39   2                              {
  40   3                      *ptr_s++ = *ps++;
  41   3                              }
  42   2                      }
  43   1              #endif
  44   1          PRINT_INFOR.PRINTBUF2_R1 =(uchar xdata *)&pt->printbuf[0][0];
  45   1              #ifndef ALONE
  46   1                              PRINT_INFOR.PRINTBUF2_R2 =(uchar xdata *)&pt->printbuf[0][16*20];
  47   1              #endif         
  48   1      }
  49          void windows_init(struct windows xdata *pt)
  50          {
  51   1              uchar xdata *data ps;
  52   1              //关闭显示屏
  53   1              LAT = 0;
  54   1              HIB  = 1;
  55   1              //初试化显示参数
C51 COMPILER V7.50   PRINTPLAN                                                             11/12/2007 21:03:44 PAGE 2   

  56   1              rell_print=0;
  57   1              PRINT_INFOR.CHANG = 0;                             //允许外部交换的标志
  58   1              PRINT_INFOR.COLOR = DEFINECOLOR;
  59   1              PRINT_INFOR.SWAP = SWAP_PRINT2;
  60   1          //初试化显存
  61   1              ps = (uchar xdata *)&pt->PRINT1_R;
  62   1              while(ps != &pt->printbuf)
  63   1          {
  64   2              *ps++ = 0xff;
  65   2          }
  66   1              //读取幕数据信息
  67   1              data_load(pt);
  68   1              //开启显示屏
  69   1              HIB  = 0;
  70   1          T0H=0xB8;                               //10mS
  71   1              T0L=0x00;
  72   1              //初始化T0产生打印节拍
  73   1              #ifdef ALONE
                                      T0H=0xB8;                                   //10mS
                              T0L=0x00;
                      #else
  77   1                      #if(OSC_FREQ == 40000000L)
                                      T0H=0xBE;                                    //5mS
                              T0L=0xE5;
                              #endif//#if(OSC_FREQ == 40000000L)
  81   1      
  82   1                      #ifdef STATIC
                                      T0H=0xD4;                               //6mS
                              T0L=0xCC;
                              #endif//#ifdef STATIC
  86   1              #endif //end ALONE
  87   1          TH0=T0H;
  88   1          TL0=T0L;
  89   1              ET0=1;                          //T0中断允许
  90   1          TR0=1;                                      //启动T0
  91   1              EA = 1;
  92   1      }
  93          void Print_U(uchar xdata *data ptr1_s)
  94          {
  95   1          uchar i,j;
  96   1          NOW_ROW=0;
  97   1          for(i=16;i!=0;i--)
  98   1          {
  99   2              CS_RAM=0;
 100   2              LAT=0;
 101   2              HIB=0;
 102   2              for(j=LIEDIP/8;j!=0;j--)
 103   2              {            
 104   3                 SDA_R1=*ptr1_s;
 105   3                 ptr1_s++;
 106   3                 CLK=0;
 107   3                 CLK=1;
 108   3              }
 109   2              ACC=NOW_ROW;
 110   2              ACC|=0xF0;
 111   2              LAT=1;
 112   2              P1= ACC;               
 113   2              NOW_ROW++;
 114   2              LAT=0;
 115   2          }
 116   1      }
 117          void Print_D(uchar xdata *data ptr1_s)
C51 COMPILER V7.50   PRINTPLAN                                                             11/12/2007 21:03:44 PAGE 3   

 118          {
 119   1          uchar i,j;
 120   1          NOW_ROW=0;     
 121   1          for(i=16;i!=0;i--)
 122   1          {
 123   2              CS_RAM=0;
 124   2              LAT=0;
 125   2              HIB=0;
 126   2              for(j=LIEDIP/8;j!=0;j--)
 127   2              {
 128   3                 SDA_R2=*ptr1_s;
 129   3                 ptr1_s++;
 130   3                 CLK=0;
 131   3                 CLK=1;
 132   3              }
 133   2              ACC=NOW_ROW;
 134   2              ACC|=0xF0;
 135   2              LAT=1;
 136   2              P1= ACC;
 137   2              NOW_ROW++;
 138   2              LAT=0;
 139   2          }