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📄 ramtest.c

📁 单片机的C语言实现的对RAM进行测试的C语言的源代码。可供单片机开发人员验证RAM时参考。
💻 C
字号:
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#include<reg51.h>
#include<absacc.h>
#define uchar unsigned char
#define  uint  unsigned int
#define RCOMM   XBYTE[0x8000]//右屏命令地址
#define LCOMM   XBYTE[0x8800]//左屏命令地址
#define RWRITE  XBYTE[0x8001]//右屏写地址
#define LWRITE  XBYTE[0x8801]//左屏写地址
#define RREAD   XBYTE[0x8003]//右屏读地址
#define LREAD   XBYTE[0x8803]//左屏读地址
#define STATE   XBYTE[0x8002]//状态地址
#define ram XBYTE[0x0000]

unsigned char code lib[64][16]={
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",1*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",2*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",3*/

{0x08,0x88,0x68,0xFF,0x28,0x48,0x10,0x48,0x44,0x43,0x44,0x48,0x50,0x10,0x10,0x00},
{0x02,0x01,0x00,0x7F,0x00,0x20,0x22,0x2C,0x21,0x2E,0x30,0x28,0x27,0x22,0x20,0x00},/*"检",4*/

{0x08,0x31,0x86,0x60,0x00,0xFE,0x02,0xF2,0x02,0xFE,0x00,0xF8,0x00,0x00,0xFF,0x00},
{0x04,0xFC,0x03,0x00,0x80,0x47,0x30,0x0F,0x10,0x67,0x00,0x07,0x40,0x80,0x7F,0x00},/*"测",5*/

{0x00,0x90,0x8C,0xA4,0xA4,0xA4,0xA5,0xA6,0xA4,0xA4,0xA4,0xA4,0x94,0x8C,0x04,0x00},
{0x00,0x80,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x3F,0x40,0x40,0x40,0x70,0x00,0x00},/*"完",6*/

{0x00,0x00,0xFF,0x88,0x48,0x28,0x08,0x80,0x7F,0x88,0x88,0x88,0x84,0x84,0xE0,0x00},
{0x04,0x04,0x04,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00},/*"毕",7*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",8*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",9*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",10*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",11*/

{0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00},
{0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20},/*"R",0，"A",1*/


{0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"M",2，" ",3*/


{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*" ",4，"I",5*/


{0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"S",6，" ",7*/


{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00},/*" ",8，"F",9*/


{0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08},
{0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00},/*"I",10，"N",11*/


{0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00},
{0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,0x00,0x00,0x00,0x33,0x00,0x00,0x00,0x00},/*"E",12，"!",13*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",1*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",2*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",3*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",1*/

{0x08,0x88,0x68,0xFF,0x28,0x48,0x10,0x48,0x44,0x43,0x44,0x48,0x50,0x10,0x10,0x00},
{0x02,0x01,0x00,0x7F,0x00,0x20,0x22,0x2C,0x21,0x2E,0x30,0x28,0x27,0x22,0x20,0x00},/*"检",4*/

{0x08,0x31,0x86,0x60,0x00,0xFE,0x02,0xF2,0x02,0xFE,0x00,0xF8,0x00,0x00,0xFF,0x00},
{0x04,0xFC,0x03,0x00,0x80,0x47,0x30,0x0F,0x10,0x67,0x00,0x07,0x40,0x80,0x7F,0x00},/*"测",5*/

{0x00,0x90,0x8C,0xA4,0xA4,0xA4,0xA5,0xA6,0xA4,0xA4,0xA4,0xA4,0x94,0x8C,0x04,0x00},
{0x00,0x80,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x3F,0x40,0x40,0x40,0x70,0x00,0x00},/*"完",6*/

{0x00,0x00,0xFF,0x88,0x48,0x28,0x08,0x80,0x7F,0x88,0x88,0x88,0x84,0x84,0xE0,0x00},
{0x04,0x04,0x04,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00},/*"毕",7*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",8*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",9*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",10*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",11*/

{0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00},
{0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20},/*"R",0，"A",1*/


{0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"M",2，" ",3*/


{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00},/*" ",4，"I",5*/


{0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"S",6，" ",7*/


{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00},/*" ",8，"F",9*/

{0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00},
{0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20},/*"R",1*/


{0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00},
{0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20},/*"O",3*/


{0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x33,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",5*/


};

void main(void)
{
 unsigned xdata *s,i,j;
 unsigned char l,h,y,dd,ye;
 bit p;
  LCOMM=0x3f;//开左屏显示
  LCOMM=0xc0;//起始行，0
  LCOMM=0x40;//列地址，0
  RCOMM=0x3f;//开右屏显示
  RCOMM=0xc0;//起始行，0
  RCOMM=0x40;//列地址，0
  
 p=1;
 s=&ram;
 i=0;
 while(s!=0x7ffe)
 {
  *s=i;
  j=*s;
  if(i!=j)
  {p=0;}
   i++;
   s++;
 }
 if(p==1)
 {
   //显示一页
   ye=0xb8;//页数，0
   LCOMM=ye;
   RCOMM=ye;
   for(y=0;y<4;y++)
    {
       for(l=0;l<4;l++)
        {
          for(h=0;h<16;h++)
           {
            dd=lib[2*l+16*y][h];//取左屏字上半部分
            LWRITE=dd;
            dd=lib[2*l+16*y+8][h];//取右屏字上半部分
            RWRITE=dd;
           }
         }
       ye++;
       LCOMM=ye;
       RCOMM=ye;
       for(l=0;l<4;l++)
         {
           for(h=0;h<16;h++)
            {
             dd=lib[1+2*l+16*y][h];//取左屏字下半部分
             LWRITE=dd;
             dd=lib[1+2*l+16*y+8][h];//取右屏字下半部分
             RWRITE=dd;
            }
          }
      ye++;
      LCOMM=ye;
      RCOMM=ye;
  }}
}

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