plik txt
[syntax=c]123456789
987654321
000000000
111111111
222222222
333333333
444444444
555555555
666666666
777777777
888888888
999999999
aaaaaaaaa
bbbbbbbbb
ccccccccc
ddddddddd
eeeeeeeee
fffffffff
ggggggggg
hhhhhhhhh
iiiiiiiii
jjjjjjjjj
kkkkkkkkk
ooooooooo
ppppppppp
rrrrrrrrr
sssssssss
ttttttttt
uuuuuuuuu
wwwwwwwww
zzzzzzzzz
qqqqqqqqq
yyyyyyyyy[/syntax]
program:
[syntax=c]#include <avr/io.h>
#include <stdio.h>
#include <util/delay.h>
#include "PetitFS/diskio.h"
#include "PetitFS/pff.h"
#include "LCD/lcd44780.h"
char file_name[] = "numery.txt";
char bufor[100];
/*-----------------------------------------------------------------------*/
/* Main */
int main(void) {
DDRA |= (1 << PA7);
PORTA |= (1 << PA7); /* podświetlenie wyświetlacza LCD */
BYTE res;
WORD s1;
FATFS fs; /* File system object */
//DIR dir;/* Directory object */
//FILINFO fno;/* File information */
#define SCK PB7
#define MISO PB6
#define MOSI PB5
#define CS PB4
DDRB |= (1 << CS) | (1 << MOSI) | (1 << SCK) | (1 << CS);
PORTB |= (1 << CS) | (1 << MISO);
SPCR |= (1 << SPE) | (1 << MSTR);
lcd_init();
lcd_str("odczyt: test.txt");
lcd_locate(1, 0);
_delay_ms(100);
uint8_t i = 255; // zmienna odpowiedzialna za timeout
// dokonujemy wielokrotnej próby inicjalizacji karty
while (i-- && (res = disk_initialize()))
;
if (res == FR_OK) {
res = pf_mount(&fs);
if (res == FR_OK) {
res = pf_open(file_name);
uint16_t i = 0;
if (res == FR_OK) {
do {
res = pf_read(bufor, sizeof(bufor), &s1);
pf_lseek(100);
i++;
lcd_locate(1, 1);
lcd_int(i);
char korektor[] = "\n"; // \n
char * schowek;
schowek = strtok(bufor, korektor);
while (schowek != NULL) {
lcd_locate(0, 0);
lcd_str(schowek);
_delay_ms(200);
_delay_ms(200);
_delay_ms(200);
_delay_ms(200);
_delay_ms(200);
_delay_ms(200);
schowek = strtok(NULL, korektor);
}
} while (!(s1 < 100));
if (res == FR_OK) {
bufor[s1 + 1] = 0;
//lcd_str(bufor);
//_delay_ms(3000);
s1 = 4;
//res = pf_write(bufor, sizeof(bufor), &s1);
write_close();
pf_mount(NULL);
} else
lcd_str("read error");
} else
lcd_str("opern file error");
} else
lcd_str("mount error");
} else
lcd_str("disk init error");
while (1)
;
}[/syntax]
edit
Napisałem w taki sposób program:
[syntax=c]#include <avr/io.h>
#include <stdio.h>
#include <util/delay.h>
#include "PetitFS/diskio.h"
#include "PetitFS/pff.h"
#include "LCD/lcd44780.h"
char file_name[] = "numery.txt";
char bufor[512];
char *kontakty[70];
/*-----------------------------------------------------------------------*/
/* Main */
int main(void) {
DDRA |= (1 << PA7);
PORTA |= (1 << PA7); /* podświetlenie wyświetlacza LCD */
BYTE res;
WORD s1;
FATFS fs; /* File system object */
//DIR dir;/* Directory object */
//FILINFO fno;/* File information */
#define SCK PB7
#define MISO PB6
#define MOSI PB5
#define CS PB4
DDRB |= (1 << CS) | (1 << MOSI) | (1 << SCK) | (1 << CS);
PORTB |= (1 << CS) | (1 << MISO);
SPCR |= (1 << SPE) | (1 << MSTR);
lcd_init();
lcd_str("odczyt: test.txt");
lcd_locate(1, 0);
_delay_ms(100);
uint8_t i = 255; // zmienna odpowiedzialna za timeout
// dokonujemy wielokrotnej próby inicjalizacji karty
while (i-- && (res = disk_initialize()))
;
if (res == FR_OK) {
res = pf_mount(&fs);
if (res == FR_OK) {
res = pf_open(file_name);
uint16_t i = 0;
if (res == FR_OK) {
res = pf_read(bufor, sizeof(bufor), &s1);
lcd_locate(1,1);
char korektor[] = "\n"; // \n
char * schowek;
schowek = strtok(bufor, korektor);
uint8_t ilosc_numerow=1;
kontakty[0]=schowek;
while (schowek != NULL )
{
lcd_locate(0,0);
lcd_str( schowek);
kontakty[ilosc_numerow]=schowek;
ilosc_numerow++;
schowek = strtok(NULL, korektor);
}
lcd_locate(1,1);
lcd_str(kontakty[33]);
if (res == FR_OK) {
bufor[s1 + 1] = 0;
//lcd_str(bufor);
//_delay_ms(3000);
s1 = 4;
//res = pf_write(bufor, sizeof(bufor), &s1);
write_close();
pf_mount(NULL);
} else
lcd_str("read error");
} else
lcd_str("opern file error");
} else
lcd_str("mount error");
} else
lcd_str("disk init error");
while (1)
;
}[/syntax]
Co myślicie o takim rozwiązaniu?
Zastanawiam się w jaki sposób mogę powiększyć liczbę kontaktów?Statystyki: Napisane przez henryxxl — 2 kwi 2017, o 19:53
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