6dca87e60c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5913 a1c6a512-1295-4272-9138-f99709370657
312 lines
8.3 KiB
C
312 lines
8.3 KiB
C
/***************************************************************************
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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 by 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 <stdlib.h>
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#include <ctype.h>
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#include "lang.h"
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#include "string.h"
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#include "config.h"
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#include "file.h"
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#include "dir.h"
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#include "lcd.h"
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#include "sprintf.h"
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#include "errno.h"
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#include "system.h"
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#include "timefuncs.h"
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#include "screens.h"
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#include "talk.h"
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#include "mpeg.h"
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#include "mp3_playback.h"
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#include "settings.h"
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#include "ata.h"
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#include "kernel.h"
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#include "power.h"
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#include "powermgmt.h"
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#include "backlight.h"
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#include "atoi.h"
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#ifdef HAVE_MMC
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#include "ata_mmc.h"
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#endif
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/* Format a large-range value for output, using the appropriate unit so that
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* the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
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* units) if possible, and 3 significant digits are shown. If a buffer is
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* given, the result is snprintf()'d into that buffer, otherwise the result is
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* voiced.*/
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char *output_dyn_value(char *buf, int buf_size, int value,
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const unsigned char **units, bool bin_scale)
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{
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int scale = bin_scale ? 1024 : 1000;
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int fraction = 0;
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int unit_no = 0;
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int i;
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char tbuf[5];
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while (value >= scale)
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{
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fraction = value % scale;
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value /= scale;
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unit_no++;
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}
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if (bin_scale)
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fraction = fraction * 1000 / 1024;
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if (value >= 100 || !unit_no)
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tbuf[0] = '\0';
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else if (value >= 10)
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snprintf(tbuf, sizeof(tbuf), "%01d", fraction / 100);
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else
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snprintf(tbuf, sizeof(tbuf), "%02d", fraction / 10);
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if (buf)
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{
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if (strlen(tbuf))
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snprintf(buf, buf_size, "%d%s%s%s", value, str(LANG_POINT),
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tbuf, P2STR(units[unit_no]));
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else
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snprintf(buf, buf_size, "%d%s", value, P2STR(units[unit_no]));
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}
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else
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{
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/* strip trailing zeros from the fraction */
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for (i = strlen(tbuf) - 1; (i >= 0) && (tbuf[i] == '0'); i--)
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tbuf[i] = '\0';
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talk_number(value, true);
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if (strlen(tbuf))
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{
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talk_id(LANG_POINT, true);
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talk_spell(tbuf, true);
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}
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talk_id(P2ID(units[unit_no]), true);
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}
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return buf;
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}
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/* Read (up to) a line of text from fd into buffer and return number of bytes
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* read (which may be larger than the number of bytes stored in buffer). If
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* an error occurs, -1 is returned (and buffer contains whatever could be
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* read). A line is terminated by a LF char. Neither LF nor CR chars are
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* stored in buffer.
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*/
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int read_line(int fd, char* buffer, int buffer_size)
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{
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int count = 0;
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int num_read = 0;
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errno = 0;
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while (count < buffer_size)
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{
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unsigned char c;
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if (1 != read(fd, &c, 1))
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break;
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num_read++;
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if ( c == '\n' )
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break;
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if ( c == '\r' )
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continue;
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buffer[count++] = c;
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}
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buffer[MIN(count, buffer_size - 1)] = 0;
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return errno ? -1 : num_read;
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}
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#ifdef HAVE_LCD_BITMAP
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extern unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH];
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static const unsigned char bmpheader[] =
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{
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0x42, 0x4d, 0x3e, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00,
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0x00, 0x00, 0x28, 0x00, 0x00, 0x00, LCD_WIDTH, 0x00, 0x00, 0x00, LCD_HEIGHT, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,
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#if LCD_WIDTH == 160
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0x00, 0x00, 0x00, 0x0a,
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#else
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0x00, 0x00, 0x00, 0x04,
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#endif
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0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0xee, 0x90, 0x00, 0x00, 0x00,
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0x00, 0x00
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};
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void screen_dump(void)
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{
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int fh;
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int bx, by, ix, iy;
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int src_byte, src_mask, dst_mask;
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char filename[MAX_PATH];
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static unsigned char line_block[8][(LCD_WIDTH/8+3) & ~3];
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#ifdef HAVE_RTC
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struct tm *tm = get_time();
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snprintf(filename, MAX_PATH, "/dump %04d-%02d-%02d %02d-%02d-%02d.bmp",
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tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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#else
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{
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DIR* dir;
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int max_dump_file = 1; /* default to dump_0001.bmp */
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dir = opendir("/");
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if (dir) /* found */
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{
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/* Search for the highest screendump filename present,
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increment behind that. So even with "holes"
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(deleted files), the newest will always have the
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highest number. */
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while(true)
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{
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struct dirent* entry;
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int curr_dump_file;
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/* walk through the directory content */
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entry = readdir(dir);
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if (!entry)
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{
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closedir(dir);
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break; /* end of dir */
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}
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if (strncasecmp(entry->d_name, "dump_", 5))
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continue; /* no screendump file */
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curr_dump_file = atoi(&entry->d_name[5]);
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if (curr_dump_file >= max_dump_file)
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max_dump_file = curr_dump_file + 1;
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}
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}
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snprintf(filename, MAX_PATH,
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"/dump_%04d.bmp", max_dump_file);
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}
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#endif
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fh = creat(filename, O_WRONLY);
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if (fh < 0)
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return;
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write(fh, bmpheader, sizeof(bmpheader));
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/* BMP image goes bottom up */
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for (by = LCD_HEIGHT/8 - 1; by >= 0; by--)
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{
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memset(&line_block[0][0], 0, sizeof(line_block));
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for (bx = 0; bx < LCD_WIDTH/8; bx++)
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{
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dst_mask = 0x01;
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for (ix = 7; ix >= 0; ix--)
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{
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src_byte = lcd_framebuffer[by][8*bx+ix];
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src_mask = 0x01;
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for (iy = 7; iy >= 0; iy--)
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{
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if (src_byte & src_mask)
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line_block[iy][bx] |= dst_mask;
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src_mask <<= 1;
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}
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dst_mask <<= 1;
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}
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}
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write(fh, &line_block[0][0], sizeof(line_block));
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}
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close(fh);
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}
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#endif
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/* parse a line from a configuration file. the line format is:
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name: value
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Any whitespace before setting name or value (after ':') is ignored.
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A # as first non-whitespace character discards the whole line.
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Function sets pointers to null-terminated setting name and value.
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Returns false if no valid config entry was found.
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*/
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bool settings_parseline(char* line, char** name, char** value)
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{
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char* ptr;
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while ( isspace(*line) )
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line++;
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if ( *line == '#' )
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return false;
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ptr = strchr(line, ':');
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if ( !ptr )
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return false;
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*name = line;
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*ptr = 0;
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ptr++;
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while (isspace(*ptr))
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ptr++;
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*value = ptr;
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return true;
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}
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bool clean_shutdown(void)
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{
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#ifdef SIMULATOR
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exit(0);
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#else
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#ifndef IRIVER_H100
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if(!charger_inserted())
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#endif
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{
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lcd_clear_display();
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splash(0, true, str(LANG_SHUTTINGDOWN));
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shutdown_hw();
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}
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#endif
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return false;
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}
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long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
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{
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switch(event)
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{
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case SYS_USB_CONNECTED:
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if (callback != NULL)
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callback(parameter);
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#ifdef HAVE_MMC
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if (!mmc_detect() || (mmc_remove_request() == SYS_MMC_EXTRACTED))
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#endif
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usb_screen();
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return SYS_USB_CONNECTED;
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case SYS_POWEROFF:
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if (callback != NULL)
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callback(parameter);
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if (!clean_shutdown())
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return SYS_POWEROFF;
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break;
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}
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return 0;
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}
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long default_event_handler(long event)
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{
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return default_event_handler_ex(event, NULL, NULL);
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}
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