Особенности разработки микропроцессорной системы и устройства для чтения электронных книг

.set _l=0xbb

.set _m=0xbc

.set _n=0xbd

.set _o=0x6f

.set _p=0xbe

.set _r=0x70

.set _s=0x63

.set _t=0xbf

.set _u=0x79

.set _f=0xe4

.set _h=0x78

.set _ts=0xe5

.set _ch=0xc0

.set _sh=0xc1

.set _tch=0xe6

;.set _q=0xc2

.set _y=0xc3

.set _q=0xc4

.set _ee=0xc5

.set _yu=0xc6

.set _ya=0xc7

.set bA=0x41

.set bB=0xa0

.set bV=0x42

.set bG=0xa1

.set bD=0xe0

.set bE=0x45

.set bYO=0xa2

.set bZH=0xa3

.set bZ=0xa4

.set bI=0xa5

.set bJ=0xa6

.set bK=0x4b

.set bL=0xa7

.set bM=0x4d

.set bN=0x48

.set bO=0x4f

.set bP=0xa8

.set bR=0x50

.set bS=0x43

.set bT=0x54

.set bU=0xa9

.set bF=0xaa

.set bH=0x58

.set bTS=0xe1

.set bCH=0xab

.set bSH=0xac

.set bTCH=0xe2

;.set b&&=0xad

.set bY=0xae

;.set b##=0xc4

.set bEE=0xaf

.set bYU=0xb0

.set bYA=0xb1

Файл reader.hex

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:00000001FF

Приложение В

Файл reader.cpp

#include <stdio.h>

#include <conio.h>

#include <string.h>

#include <time.h>

#define OUT_REG BASE

#define IN_REG BASE

#define CONTROL BASE+3

#define STATUS BASE+5

#define LOW_DIV BASE

#define HIGH_DIV BASE+1

#define INT_REG BASE+1

#define DIVISOR 0x80

unsigned long BASE;

FILE *file3;

int code;

void Help();

void Erase();

void Write(char *wr_file);

int o_sym(char symbol);

void Inv(char insym);

char i_sym();

void main(int argc, char *argv[])

{

FILE *file1;

char *param;

clrscr();

if ((file1 = fopen("reader.ini", "rt"))

== NULL)

{

printf("Cannot open file \"reader.ini\" !\n");

return;

}

do {

fscanf(file1,"%s\n",param);

}while(strcmp(param,"[PORT]")!=0);

fscanf(file1,"%s\n",param);

printf("\nConnect device to %s",param);

if(param[3]=='1')

BASE=0x3f8;

if(param[3]=='2')

BASE=0x2f8;

fsetpos(file1,0);

do {

fscanf(file1,"%s\n",param);

}while(strcmp(param,"[CODE]")!=0);

fscanf(file1,"%s\n",param);

printf("\nCode= %s",param);

if(!strcmp(param,"DOS")) code=1;

else code=0;

fclose(file1);

//Initial COM-port block

outportb(CONTROL,DIVISOR);

outportb(LOW_DIV,1);

outportb(HIGH_DIV,0);

outportb(CONTROL,0x07);//8 bit+2stop+noparity

outportb(INT_REG,0);//Disable interrupt

inportb(IN_REG);

inportb(IN_REG);//Zeroing read

//End of initial block

o_sym (0x5e);//Switch to operation mode

if(argc<2)

{

Help();

return;

}

switch(*argv[1])

{

case 'e':

Erase();

break;

case 'w':

Write(argv[2]);

break;

default:

Help();

break;

}

}

void Help()

{

printf ("\nUse \"reader.exe e\" for erase books, \"reader.exe w <file>\" for write <file>");

}

void Erase()

{

printf ("\nAll books in the memory will be erased.\nWait message on the Readerbook's screen");

o_sym(0x10);//first IC

o_sym(0x20);//second IC

}

void Write(char *wr_file)

{

FILE *file1;

char author[40],title[40],header[81],rec_sym;

int i=0,flag;

char win[256]={

0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31

,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47

,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63

,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79

,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95

,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111

,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127

,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207

,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223

,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239

,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191

,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207

,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223

,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255

,168,184,242,243,244,245,246,247,248,249,250,251,252,253,254,255

};

if ((file1 = fopen(wr_file, "rt"))== NULL)

{

printf("Cannot open file \"%s\" !\n",wr_file);

return;

}

if ((file3 = fopen("reciev.txt", "wt"))== NULL)

{

printf("Cannot open file \"%s\" !\n",wr_file);

return;

}

printf("\n");

for(i=0;i<=256;i++)

putchar(fgetc(file1));

printf(" ...(etc)");

fsetpos(file1,0);

o_sym (0x30);

printf("\nEnter author's name\n");

gets(author);

printf("Enter title\n");

gets(title);

strcpy(header,author);

strcat(header," \"");

strcat(header,title);

strcat(header,"\"");

printf("\nHeader: %s",header);

i=0;

while(header[i]!='\0')

{

o_sym(win[(int)header[i]&0xff]);

i++;

}

o_sym(0x07);

printf("\nWriting file \"%s\"...",wr_file);

//flag: 01 - detect space

// -01 - skip symbol

while(!(feof(file1)))

{

rec_sym=fgetc(file1);

if(feof(file1)) break;

if(code==1)

rec_sym=win[(int)rec_sym&0xff];

if((rec_sym==' ')||(rec_sym=='-')||(rec_sym=='\n'))

{

if(rec_sym=='-')

{

rec_sym=fgetc(file1);

if(feof(file1)) break;

if(code==1) rec_sym=(char)win[(int)rec_sym&0xff];

if(rec_sym!='\n')

{

Inv('-');

flag=0;

}

else

flag=-1;

if(rec_sym==' ')

flag=1;

}

if(rec_sym=='\n')

rec_sym=' ';

if((flag==1)||(flag==-1))//rec_sym==' '

flag=-1;

else

flag=1;

}

else

flag=0;

if(flag!=-1)

Inv(rec_sym);

}

o_sym (0x07);

fclose(file1);fclose(file3);

printf("\nFile writing successfully complete");

}

int o_sym(char symbol)

{

long timeout;

timeout=clock();

if(timeout==-1)

printf("\nTime not available");

//printf("\nTimeout=%d",timeout);

do {

if((clock()-timeout)>1)

{

printf("\nWarning!Timeout!");

return -1;

}

}while((inportb(STATUS)&0x20)==0);

outportb(OUT_REG,symbol);

return 0;

}

char i_sym()

{

long timeout;

int errcode;

timeout=clock();

do{

if((clock()-timeout)>1000)

{

printf("\nTimeout. The symbol may be lost!");

return 0;

}

errcode=inportb(STATUS);

}while((errcode&0x01)==0);

return inportb(IN_REG);

}

void Inv(char insym)

{

char invalidate;

fputc(insym,file3);

o_sym(insym);

do

invalidate=i_sym();

while((invalidate!=insym)&&(invalidate!=0));//waiting confirm

}

Приложение Г

Файл reader.ini

[PORT]

COM2

[CODE]

DOS

Приложение Д

Схема электрическая принципиальная устройства для чтения электронных книг

Приложение Е

Расчет стоимости комплектующих устройства для чтения электронных книг