hello.lst

ltv350qv屏的驱动初使化代码

C51 COMPILER V8.02   HELLO                                                                 11/12/2008 09:35:37 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE HELLO
OBJECT MODULE PLACED IN Hello.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Hello.c ROM(SMALL) OPTIMIZE(9,SPEED) BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /*------------------------------------------------------------------------------
   2          HELLO.C - adapted for the P89LPC932 and the Keil MCB900 Microcontroller Board
   3          
   4          Copyright 1995-2005 Keil Software, Inc.
   5          ------------------------------------------------------------------------------*/
   6          
   7          #include <REG916.H>               /* special function register declarations   */
   8                                            /* for the Philips P89C932 device           */
   9          
  10          #include <stdio.h>                /* prototype declarations for I/O functions */
  11          
  12          /*
  13          const unsigned int LCD_REGS_VAL[19]={
  14          0x409D,0x0204,0x0100,0x3000,0x4003,0x000A,0x0021,0x0C00,
  15          0x0000,
  16          0x0103,0x0301,0x1F0F,0x1F0F,0x0707,0x0307,0x0707,0x0000,0x0004,0x0000
  17          };
  18           */
  19          
  20          const unsigned int LCD_REGS_VAL[19]={
  21          0x409D,0x0204,0x0100,0x3000,0x4003,0x00AA,0x0021,0x0C00,
  22          0x0000,/*reg 9 at Instruction Setting not set */
  23          0x0103,0x0301,0x1F0F,0x1F0F,0x0707,0x0307,0x0707,0x0000,0x0004,0x0000
  24          };
  25          
  26          /* The delay C function is a for loop that
  27          needs about 0.2 seconds execution time */
  28          static void delay (unsigned int tmp)  {
  29   1      
  30   1        unsigned int i;
  31   1      
  32   1        for (i = 0; i < 80*tmp; i++) 
  33   1        {                                             
  34   2          ;                           
  35   2        }
  36   1      }
  37          
  38          
  39          static void spi_init(void)
  40          {
  41   1              P2M1 = 0x00;
  42   1              P2M2 = 0x00; 
  43   1              SPCTL = 0xD0;//初始化SPI   //D3
  44   1      
  45   1      }
  46          
  47          static void spi_send_data(unsigned char tmp)
  48          {
  49   1      
  50   1              SPDAT = tmp;
  51   1              while((SPSTAT&0x80)==0);
  52   1              delay(1);       
  53   1      }
  54          
  55          static  void lcd_set_reg(unsigned char tmp)
C51 COMPILER V8.02   HELLO                                                                 11/12/2008 09:35:37 PAGE 2   

  56          {
  57   1              LCD_CS = 0;
  58   1              spi_send_data(0x74);       //74
  59   1              spi_send_data(0x00);
  60   1              spi_send_data(tmp);     
  61   1              LCD_CS = 1;
  62   1      }
  63          
  64          static  void lcd_set_data(unsigned int tmp)
  65          {
  66   1              unsigned char data_h;
  67   1              unsigned char data_l;
  68   1      
  69   1              data_h = (tmp&0xff00)>>8;
  70   1              data_l = tmp&0xff;
  71   1      
  72   1              LCD_CS = 0;
  73   1              spi_send_data(0x76);            //76
  74   1              spi_send_data(data_h);
  75   1              spi_send_data(data_l);  
  76   1              LCD_CS = 1;
  77   1      }
  78          
  79          static void lcd_power_up(void)
  80          {
  81   1      
  82   1              int i;
  83   1      
  84   1              delay(100);
  85   1              lcd_set_reg(9);
  86   1              lcd_set_data(0);
  87   1      
  88   1              delay(20);
  89   1              lcd_set_reg(9);
  90   1              lcd_set_data(0x4000);
  91   1              lcd_set_reg(10);
  92   1              lcd_set_data(0x2000);
  93   1              lcd_set_reg(9);
  94   1              lcd_set_data(0x4055);
  95   1              delay(100);
  96   1      
  97   1      /*      for(i=0;i<19;i++)
  98   1              {
  99   1                      if(i!=8)
 100   1                      {
 101   1                              lcd_set_reg(i+1);
 102   1                              lcd_set_data(LCD_REGS_VAL[i]);
 103   1                      }
 104   1              }
 105   1       */
 106   1              delay(1000);
 107   1              lcd_set_reg(9);
 108   1              lcd_set_data(0x4A55);
 109   1              lcd_set_reg(5);
 110   1              lcd_set_data(0x5003);
 111   1      }
*** WARNING C280 IN LINE 82 OF HELLO.C: 'i': unreferenced local variable
 112          
 113          
 114          /*------------------------------------------------
 115          The main C function.  Program execution starts
 116          here after stack initialization.
C51 COMPILER V8.02   HELLO                                                                 11/12/2008 09:35:37 PAGE 3   

 117          ------------------------------------------------*/
 118          void main() 
 119          {
 120   1      
 121   1      //      delay(2000);
 122   1      
 123   1              spi_init();
 124   1              LCD_CS = 1;
 125   1              delay(10);
 126   1              lcd_power_up();
 127   1        
 128   1         while(1)
 129   1         {
 130   2      
 131   2      
 132   2      
 133   2      //      spi_send_data(0x85);
 134   2              delay(1);
 135   2      //      spi_send_data(0x05);
 136   2      //      lcd_set_reg(0x05);
 137   2              }
 138   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    190    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     38       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)