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rockbox/bootloader/common.c
Thomas Martitz 240923a801 Rockbox as an application: Commit current Android port progress. 
General state is: Rockbox is usable (plays music, saves configuration, touchscreen works too).
Problems:
 - Playing music in the background (i.e. when switching to another app) doesn't work reliably, but I'm working on that now.
 - no cabbiev2 (only some preliminary files for it), no other default theme.
 - screen flickers sometimes if the updates are too frequent
 - no multi screen apk/package
 - strange behavior when a phone call comes in

The java files (and the eclipse project) resides in android/, which is also supposed to be the build folder.
I've put a small README in there for instructions. There are some steps needed after the make part, which are described there,
and which eclipse mostly handles. But there ought to be some script/makefile rules which do that instead in the future.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27668 a1c6a512-1295-4272-9138-f99709370657
2010-08-02 20:34:47 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: main.c 11997 2007-01-13 09:08:18Z miipekk $
*
* Copyright (C) 2005 by Linus Nielsen Feltzing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "lcd.h"
#include "lcd-remote.h"
#include "font.h"
#include "system.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdbool.h>
#include "cpu.h"
#include "common.h"
#include "power.h"
#include "kernel.h"
#include "config.h"
#include "logf.h"
#include "button.h"
#include "string.h"
#include "usb.h"
#include "file.h"
/* TODO: Other bootloaders need to be adjusted to set this variable to true
on a button press - currently only the ipod, H10, Vibe 500 and Sansa versions do. */
#if defined(IPOD_ARCH) || defined(IRIVER_H10) || defined(IRIVER_H10_5GB) \
|| defined(SANSA_E200) || defined(SANSA_C200) || defined(GIGABEAT_F) \
|| (CONFIG_CPU == AS3525) || (CONFIG_CPU == AS3525v2) || defined(COWON_D2) \
|| defined(MROBE_100) || defined(MROBE_500) \
|| defined(SAMSUNG_YH925) || defined(SAMSUNG_YH920) \
|| defined(SAMSUNG_YH820) || defined(PHILIPS_SA9200) \
|| defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) \
|| defined(ONDA_VX747) || defined(PBELL_VIBE500)
bool verbose = false;
#else
bool verbose = true;
#endif
int line = 0;
#ifdef HAVE_REMOTE_LCD
int remote_line = 0;
#endif
char printfbuf[256];
void reset_screen(void)
{
lcd_clear_display();
line = 0;
#ifdef HAVE_REMOTE_LCD
lcd_remote_clear_display();
remote_line = 0;
#endif
}
int printf(const char *format, ...)
{
int len;
unsigned char *ptr;
va_list ap;
va_start(ap, format);
ptr = printfbuf;
len = vsnprintf(ptr, sizeof(printfbuf), format, ap);
va_end(ap);
lcd_puts(0, line++, ptr);
if (verbose)
lcd_update();
if(line >= LCD_HEIGHT/SYSFONT_HEIGHT)
line = 0;
#ifdef HAVE_REMOTE_LCD
lcd_remote_puts(0, remote_line++, ptr);
if (verbose)
lcd_remote_update();
if(remote_line >= LCD_REMOTE_HEIGHT/SYSFONT_HEIGHT)
remote_line = 0;
#endif
return len;
}
char *strerror(int error)
{
switch(error)
{
case EOK:
return "OK";
case EFILE_NOT_FOUND:
return "File not found";
case EREAD_CHKSUM_FAILED:
return "Read failed (chksum)";
case EREAD_MODEL_FAILED:
return "Read failed (model)";
case EREAD_IMAGE_FAILED:
return "Read failed (image)";
case EBAD_CHKSUM:
return "Bad checksum";
case EFILE_TOO_BIG:
return "File too big";
case EINVALID_FORMAT:
return "Invalid file format";
default:
return "Unknown";
}
}
void error(int errortype, int error, bool shutdown)
{
switch(errortype)
{
case EATA:
printf("ATA error: %d", error);
break;
case EDISK:
printf("No partition found");
break;
case EBOOTFILE:
printf(strerror(error));
break;
}
lcd_update();
sleep(5*HZ);
if(shutdown)
power_off();
}
/* Load firmware image in a format created by tools/scramble */
int load_firmware(unsigned char* buf, char* firmware, int buffer_size)
{
int fd;
int rc;
int len;
unsigned long chksum;
char model[5];
unsigned long sum;
int i;
char filename[MAX_PATH];
snprintf(filename,sizeof(filename), BOOTDIR "/%s",firmware);
fd = open(filename, O_RDONLY);
if(fd < 0)
{
snprintf(filename,sizeof(filename),"/%s",firmware);
fd = open(filename, O_RDONLY);
if(fd < 0)
return EFILE_NOT_FOUND;
}
len = filesize(fd) - 8;
printf("Length: %x", len);
if (len > buffer_size)
return EFILE_TOO_BIG;
lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
rc = read(fd, &chksum, 4);
chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
if(rc < 4)
return EREAD_CHKSUM_FAILED;
printf("Checksum: %x", chksum);
rc = read(fd, model, 4);
if(rc < 4)
return EREAD_MODEL_FAILED;
model[4] = 0;
printf("Model name: %s", model);
printf("Loading %s", firmware);
lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
rc = read(fd, buf, len);
if(rc < len)
return EREAD_IMAGE_FAILED;
close(fd);
sum = MODEL_NUMBER;
for(i = 0;i < len;i++) {
sum += buf[i];
}
printf("Sum: %x", sum);
if(sum != chksum)
return EBAD_CHKSUM;
return EOK;
}
/* Load raw binary image. */
int load_raw_firmware(unsigned char* buf, char* firmware, int buffer_size)
{
int fd;
int rc;
int len;
char filename[MAX_PATH];
snprintf(filename,sizeof(filename),"%s",firmware);
fd = open(filename, O_RDONLY);
if(fd < 0)
{
return EFILE_NOT_FOUND;
}
len = filesize(fd);
if (len > buffer_size)
return EFILE_TOO_BIG;
rc = read(fd, buf, len);
if(rc < len)
return EREAD_IMAGE_FAILED;
close(fd);
return len;
}
/* These functions are present in the firmware library, but we reimplement
them here because the originals do a lot more than we want */
int dbg_ports(void)
{
return 0;
}
void mpeg_stop(void)
{
}
#ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
#define LINES (LCD_HEIGHT/SYSFONT_HEIGHT)
#define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
#ifdef ONDA_VX747
#define LOGF_UP BUTTON_VOL_UP
#define LOGF_DOWN BUTTON_VOL_DOWN
#define LOGF_CLEAR BUTTON_MENU
#else
#warning No keymap defined for this target
#endif
void display_logf(void) /* Doesn't return! */
{
int i, index, button, user_index=0;
#ifdef HAVE_TOUCHSCREEN
int touch, prev_y=0;
#endif
char buffer[COLUMNS+1];
while(1)
{
index = logfindex + user_index;
lcd_clear_display();
for(i = LINES-1; i>=0; i--)
{
if(--index < 0)
{
if(logfwrap)
index = MAX_LOGF_LINES-1;
else
break; /* done */
}
memcpy(buffer, logfbuffer[index], COLUMNS);
if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
buffer[MAX_LOGF_ENTRY-1] = '>';
else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
buffer[MAX_LOGF_ENTRY-1] = '\0';
buffer[COLUMNS] = '\0';
lcd_puts(0, i, buffer);
}
button = button_get(false);
if(button == SYS_USB_CONNECTED)
usb_acknowledge(SYS_USB_CONNECTED_ACK);
else if(button == SYS_USB_DISCONNECTED)
usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
else if(button & LOGF_UP)
user_index++;
else if(button & LOGF_DOWN)
user_index--;
else if(button & LOGF_CLEAR)
user_index = 0;
#ifdef HAVE_TOUCHSCREEN
else if(button & BUTTON_TOUCHSCREEN)
{
touch = button_get_data();
if(button & BUTTON_REL)
prev_y = 0;
if(prev_y != 0)
user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
prev_y = touch & 0xFFFF;
}
#endif
lcd_update();
sleep(HZ/16);
}
}
#endif
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