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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Jörg Hohensohn aka [IDC]Dragon
*
* This is "Bootbox", a minimalistic loader, rescue firmware for just
* booting into a full features one. Aside from that it does charging
* and USB mode, to enable copying the desired firmware.
*
* 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 "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "cpu.h"
#include "system.h"
#include "lcd.h"
#include "kernel.h"
#include "thread.h"
#include "ata.h"
#include "disk.h"
#include "font.h"
#include "adc.h"
#include "button.h"
#include "panic.h"
#include "power.h"
#include "file.h"
#include "buffer.h"
#include "rolo.h"
#include "usb.h"
#include "powermgmt.h"
void usb_screen(void)
{
lcd_clear_display();
lcd_puts(0, 0, "USB mode");
#ifdef HAVE_LCD_BITMAP
lcd_update();
#endif
usb_acknowledge(SYS_USB_CONNECTED_ACK);
while(usb_wait_for_disconnect_w_tmo(&button_queue, HZ)) {
}
}
int show_logo(void)
{
lcd_clear_display();
lcd_puts(0, 0, "Rockbox");
lcd_puts(0, 1, "Rescue boot");
#ifdef HAVE_LCD_BITMAP
lcd_update();
#endif
return 0;
}
#ifdef HAVE_CHARGING
/*
bool backlight_get_on_when_charging(void)
{
return false;
}
*/
void charging_screen(void)
{
unsigned int button;
const char* msg;
ide_power_enable(false); /* power down the disk, else would be spinning */
lcd_clear_display();
do
{
#ifdef HAVE_CHARGE_CTRL
if (charge_state == 1)
msg = "charging";
else if (charge_state == 2)
msg = "topoff charge";
else if (charge_state == 3)
msg = "trickle charge";
else
msg = "not charging";
#else
msg = "charging";
#endif
lcd_puts(0, 0, msg);
{
char buf[32];
int battery_voltage;
int batt_int, batt_frac;
battery_voltage = (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) / 10000;
batt_int = battery_voltage / 100;
batt_frac = battery_voltage % 100;
snprintf(buf, sizeof(buf), "%d.%02dV %d%%",
batt_int, batt_frac, battery_level());
lcd_puts(0, 1, buf);
}
#ifdef HAVE_LCD_BITMAP
lcd_update();
#endif
button = button_get_w_tmo(HZ/2);
#ifdef BUTTON_ON
if (button == (BUTTON_ON | BUTTON_REL))
#else
if (button == (BUTTON_RIGHT | BUTTON_REL))
#endif
break; /* start */
else
{
if (usb_detect())
break;
else if (!charger_inserted())
power_off(); /* charger removed: power down */
}
} while (1);
}
#endif /* HAVE_CHARGING */
/* prompt user to plug USB and fix a problem */
void prompt_usb(const char* msg1, const char* msg2)
{
int button;
lcd_clear_display();
lcd_puts(0, 0, msg1);
lcd_puts(0, 1, msg2);
#ifdef HAVE_LCD_BITMAP
lcd_puts(0, 2, "Insert USB cable");
lcd_puts(0, 3, "and fix it.");
lcd_update();
#endif
do
{
button = button_get(true);
if (button == SYS_POWEROFF)
{
power_off();
}
} while (button != SYS_USB_CONNECTED);
usb_screen();
system_reboot();
}
void main(void)
{
int rc;
power_init();
system_init();
kernel_init();
buffer_init();
lcd_init();
show_logo();
set_irq_level(0);
adc_init();
usb_init();
button_init();
powermgmt_init();
#if defined(HAVE_CHARGING) && (CONFIG_CPU == SH7034)
if (charger_inserted()
#ifdef ATA_POWER_PLAYERSTYLE
&& !ide_powered() /* relies on probing result from bootloader */
#endif
)
{
charging_screen(); /* display a "charging" screen */
show_logo(); /* again, to provide better visual feedback */
}
#endif
rc = ata_init();
if(rc)
{
#ifdef HAVE_LCD_BITMAP
char str[32];
lcd_clear_display();
snprintf(str, 31, "ATA error: %d", rc);
lcd_puts(0, 1, str);
lcd_update();
while(!(button_get(true) & BUTTON_REL));
#endif
panicf("ata: %d", rc);
}
//disk_init();
usb_start_monitoring();
while (usb_detect())
{ /* enter USB mode early, before trying to mount */
if (button_get_w_tmo(HZ/10) == SYS_USB_CONNECTED)
{
usb_screen();
}
}
rc = disk_mount_all();
if (rc<=0)
{
prompt_usb("No partition", "found.");
}
{ // rolo the firmware
static const char filename[] = "/" BOOTFILE;
rolo_load((char*)filename); /* won't return if started */
prompt_usb("No firmware", filename);
}
}
/* These functions are present in the firmware library, but we reimplement
them here because the originals do a lot more than we want */
void screen_dump(void)
{
}
int dbg_ports(void)
{
return 0;
}
void audio_stop(void)
{
}
int audio_status(void)
{
return 0;
}
void mp3_shutdown(void)
{
}
/*
void i2c_init(void)
{
}
void backlight_on(void)
{
}
*/
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