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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <ctype.h>
#include "string.h"
#include "config.h"
#include "file.h"
#include "lcd.h"
#include "sprintf.h"
#include "errno.h"
#include "system.h"
#include "timefuncs.h"
#define ONE_KILOBYTE 1024
#define ONE_MEGABYTE (1024*1024)
/* The point of this function would be to return a string of the input data,
but never longer than 5 columns. Add suffix k and M when suitable...
Make sure to have space for 6 bytes in the buffer. 5 letters plus the
terminating zero byte. */
char *num2max5(unsigned int bytes, char *max5)
{
if(bytes < 100000) {
snprintf(max5, 6, "%5d", bytes);
return max5;
}
if(bytes < (9999*ONE_KILOBYTE)) {
snprintf(max5, 6, "%4dk", bytes/ONE_KILOBYTE);
return max5;
}
if(bytes < (100*ONE_MEGABYTE)) {
/* 'XX.XM' is good as long as we're less than 100 megs */
snprintf(max5, 6, "%2d.%0dM",
bytes/ONE_MEGABYTE,
(bytes%ONE_MEGABYTE)/(ONE_MEGABYTE/10) );
return max5;
}
snprintf(max5, 6, "%4dM", bytes/ONE_MEGABYTE);
return max5;
}
/* Read (up to) a line of text from fd into buffer and return number of bytes
* read (which may be larger than the number of bytes stored in buffer). If
* an error occurs, -1 is returned (and buffer contains whatever could be
* read). A line is terminated by a LF char. Neither LF nor CR chars are
* stored in buffer.
*/
int read_line(int fd, char* buffer, int buffer_size)
{
int count = 0;
int num_read = 0;
errno = 0;
while (count < buffer_size)
{
unsigned char c;
if (1 != read(fd, &c, 1))
break;
num_read++;
if ( c == '\n' )
break;
if ( c == '\r' )
continue;
buffer[count++] = c;
}
buffer[MIN(count, buffer_size - 1)] = 0;
return errno ? -1 : num_read;
}
#ifdef TEST_MAX5
int main(int argc, char **argv)
{
char buffer[32];
if(argc>1) {
printf("%d => %s\n",
atoi(argv[1]),
num2max5(atoi(argv[1]), buffer));
}
return 0;
}
#endif
#ifdef HAVE_LCD_BITMAP
extern unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH];
static unsigned char bmpheader[] =
{
0x42, 0x4d, 0x3e, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x00,
0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x40, 0x00,
0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0xee, 0x90, 0x00, 0x00, 0x00,
0x00, 0x00
};
static unsigned char buf[112*8];
static unsigned char buf2[112*8];
static char dummy[2] = {0, 0};
void screen_dump(void)
{
int f;
int i, shift;
int x, y;
char filename[MAX_PATH];
struct tm *tm = get_time();
i = 0;
for(y = 0;y < LCD_HEIGHT/8;y++)
{
for(x = 0;x < LCD_WIDTH;x++)
{
buf[i++] = lcd_framebuffer[y][x];
}
}
memset(buf2, 0, sizeof(buf2));
for(y = 0;y < 64;y++)
{
shift = y & 7;
for(x = 0;x < 112/8;x++)
{
for(i = 0;i < 8;i++)
{
buf2[y*112/8+x] |= ((buf[y/8*112+x*8+i] >> shift)
& 0x01) << (7-i);
}
}
}
snprintf(filename, MAX_PATH, "/dump %04d-%02d-%02d %02d-%02d-%02d.bmp",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
f = creat(filename, O_WRONLY);
if(f >= 0)
{
write(f, bmpheader, sizeof(bmpheader));
for(i = 63;i >= 0;i--)
{
write(f, &buf2[i*14], 14);
write(f, dummy, 2);
}
close(f);
}
}
#endif
/* parse a line from a configuration file. the line format is:
name: value
Any whitespace before setting name or value (after ':') is ignored.
A # as first non-whitespace character discards the whole line.
Function sets pointers to null-terminated setting name and value.
Returns false if no valid config entry was found.
*/
bool settings_parseline(char* line, char** name, char** value)
{
char* ptr;
while ( isspace(*line) )
line++;
if ( *line == '#' )
return false;
ptr = strchr(line, ':');
if ( !ptr )
return false;
*name = line;
*ptr = 0;
ptr++;
while (isspace(*ptr))
ptr++;
*value = ptr;
return true;
}
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