147 lines
3 KiB
C
147 lines
3 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Daniel Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <string.h>
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#include "file.h"
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#include "lcd.h"
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#include "kernel.h"
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#include "button.h"
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#include "sprintf.h"
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char *strcat(char *s1,
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const char *s2)
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{
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char *s = s1;
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while (*s1)
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s1++;
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while ((*s1++ = *s2++))
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;
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return s;
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}
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static int here=0;
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char *singleshow(char *word)
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{
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static unsigned char words[22];
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int len = strlen(word);
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if(len>=10) {
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if(len < 12 ) {
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lcd_clear_display();
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lcd_puts(0,0, word);
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strcpy(words, "");
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here=0;
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return words;
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}
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/* huuuge word, use two lines! */
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return NULL;
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}
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else if(here +1 + len <= 11) { /* 1 is for space */
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if(words[0])
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strcat(words, " ");
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strcat(words, word);
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here+=1+len;
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return NULL; /* no show right now */
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}
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else {
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lcd_clear_display();
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lcd_puts(0,0, words);
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strcpy(words, word);
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here=len;
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return words;
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}
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}
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#define SEP(x) (((x) == '\n') || ((x) == '\t') || ((x) == ' '))
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void showtext(char *filename)
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{
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static char textbuffer[1024];
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int fd;
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int size;
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char *ptr;
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char *end;
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unsigned char backup;
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char num[8];
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int count=0;
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int b;
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char *show;
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int delay = HZ;
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fd = open(filename, O_RDONLY);
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if(-1 == fd)
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return;
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do {
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size = read(fd, textbuffer, sizeof(textbuffer));
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ptr = textbuffer;
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while (size > 0) {
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while(ptr && *ptr && SEP(*ptr)) {
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ptr++;
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size--;
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count++;
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}
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end = ptr;
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while(end && *end && !SEP(*end)) {
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end++;
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count++;
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}
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backup = *end;
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*end = 0;
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show = singleshow(ptr);
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if(show) {
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snprintf(num, sizeof(num), "%d", count);
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lcd_puts(0,1, num);
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}
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*end = backup;
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ptr += (end - ptr);
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size -= (end - ptr);
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b = button_get(false);
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if(b) {
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size = -1;
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break;
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}
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if(show)
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sleep(delay);
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}
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} while(size>0);
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close(fd);
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}
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