1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/***************************************************************************
* __________ __ ___.
* 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.
*
* 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 "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "cpu.h"
#include "system.h"
#include "lcd.h"
#include "../kernel-internal.h"
#include "storage.h"
#include "disk.h"
#include "font.h"
#include "adc.h"
#include "button.h"
#include "panic.h"
#include "power.h"
#include "file.h"
#include "rolo.h"
#include "usb.h"
#include "powermgmt.h"
static void usb_screen(void)
{
lcd_clear_display();
lcd_puts(0, 0, "USB mode");
lcd_update();
usb_acknowledge(SYS_USB_CONNECTED_ACK);
while(usb_wait_for_disconnect_w_tmo(&button_queue, HZ)) {
}
}
static void show_logo(void)
{
lcd_clear_display();
lcd_puts(0, 0, "Rockbox");
lcd_puts(0, 1, "Rescue boot");
lcd_update();
}
#if CONFIG_CHARGING
static 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 ARCHOS_RECORDER
if (charge_state == CHARGING)
msg = "charging";
else if (charge_state == TOPOFF)
msg = "topoff charge";
else if (charge_state == TRICKLE)
msg = "trickle charge";
else
msg = "not charging";
#else
msg = "charging";
#endif
lcd_puts(0, 0, msg);
{
char buf[32];
int battv = battery_voltage();
snprintf(buf, sizeof(buf), "%d.%02dV %d%%",
battv / 1000, (battv % 1000) / 10, battery_level());
lcd_puts(0, 1, buf);
}
lcd_update();
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() == USB_INSERTED)
break;
else if (!charger_inserted())
power_off(); /* charger removed: power down */
}
} while (1);
}
#endif /* CONFIG_CHARGING */
/* prompt user to plug USB and fix a problem */
static 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.");
#endif
lcd_update();
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();
lcd_init();
show_logo();
enable_irq();
adc_init();
usb_init();
button_init();
powermgmt_init();
#if CONFIG_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 = storage_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("storage: %d", rc);
}
usb_start_monitoring();
while (usb_detect() == USB_INSERTED)
{ /* 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 audio_stop(void)
{
}
int audio_status(void)
{
return 0;
}
void audio_stop_recording(void)
{
}
void mp3_shutdown(void)
{
}
|
