tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rafaël Carré
11 *
12 * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
13 * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
14 *
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ****************************************************************************/
24
25#include <stdio.h>
26#include <system.h>
27#include <inttypes.h>
28#include "config.h"
29#include "gcc_extensions.h"
30#include "../kernel-internal.h"
31#include "lcd.h"
32#ifdef HAVE_BOOTLOADER_USB_MODE
33#include "usb.h"
34#include "sysfont.h"
35#endif /* HAVE_BOOTLOADER_USB_MODE */
36#include "backlight.h"
37#include "button-target.h"
38#include "common.h"
39#include "rb-loader.h"
40#include "loader_strerror.h"
41#include "storage.h"
42#include "file_internal.h"
43#include "disk.h"
44#include "panic.h"
45#include "power.h"
46
47void show_logo(void);
48
49#ifdef HAVE_BOOTLOADER_USB_MODE
50static void usb_mode(void)
51{
52 if(usb_detect() != USB_INSERTED)
53 {
54 static const char msg[] = "Plug USB cable";
55 reset_screen();
56 lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * sizeof(msg))) / 2,
57 (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
58 lcd_update();
59
60 /* wait until USB is plugged */
61 while(usb_detect() != USB_INSERTED) ;
62 }
63
64 static const char msg[] = "Bootloader USB mode";
65 reset_screen();
66 lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * sizeof(msg))) / 2,
67 (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
68 lcd_update();
69
70 while(usb_detect() == USB_INSERTED)
71 sleep(HZ);
72
73 reset_screen();
74 lcd_update();
75}
76#endif /* HAVE_BOOTLOADER_USB_MODE */
77
78void main(void) NORETURN_ATTR;
79void main(void)
80{
81 unsigned char* loadbuffer;
82 int buffer_size;
83 void(*kernel_entry)(void);
84 int ret;
85
86 system_init();
87 kernel_init();
88
89 enable_irq();
90
91 lcd_init();
92 show_logo();
93
94 backlight_init();
95
96 button_init_device();
97 int btn = button_read_device();
98
99#if !defined(SANSA_FUZE) && !defined(SANSA_CLIP) && !defined(SANSA_CLIPV2) \
100 && !defined(SANSA_CLIPPLUS) && !defined(SANSA_CLIPZIP)
101 if (button_hold())
102 {
103 verbose = true;
104 lcd_clear_display();
105 printf("Hold switch on");
106 printf("Shutting down...");
107 sleep(HZ);
108 power_off();
109 }
110#endif
111
112 /* Enable bootloader messages if any button is pressed */
113 if (btn)
114 {
115 lcd_clear_display();
116 verbose = true;
117 }
118
119 ret = storage_init();
120 if(ret < 0)
121 error(EATA, ret, true);
122
123 filesystem_init();
124
125#ifdef HAVE_BOOTLOADER_USB_MODE
126 usb_init();
127
128 /* Enter USB mode if USB is plugged and SELECT button is pressed */
129 if(btn & BUTTON_SELECT) {
130 usb_start_monitoring();
131 if(usb_detect() == USB_INSERTED)
132 usb_mode();
133 }
134#endif /* HAVE_BOOTLOADER_USB_MODE */
135
136 while((ret = disk_mount_all()) <= 0)
137 {
138#ifdef HAVE_BOOTLOADER_USB_MODE
139 error(EDISK, ret, false);
140 usb_start_monitoring();
141 usb_mode();
142#else
143 error(EDISK, ret, true);
144#endif
145 }
146
147 printf("Loading firmware");
148
149 loadbuffer = (unsigned char*)DRAM_ORIG; /* DRAM */
150 buffer_size = (int)(loadbuffer + (DRAM_SIZE) - TTB_SIZE);
151
152 while((ret = load_firmware(loadbuffer, BOOTFILE, buffer_size)) <= EFILE_EMPTY)
153 {
154#ifdef HAVE_BOOTLOADER_USB_MODE
155 error(EBOOTFILE, ret, false);
156 usb_start_monitoring();
157 usb_mode();
158#else
159 error(EBOOTFILE, ret, true);
160#endif
161 }
162
163#if defined(SANSA_FUZEV2) || defined(SANSA_CLIPPLUS) || defined(SANSA_CLIPZIP)
164 /* It is necessary for proper detection AMSv2 variant 1.
165 * We should restore initial state of GPIOB_PIN(5) as it used for
166 * variant detection, but can be changed if we switch SD card. */
167 if (amsv2_variant == 1)
168 GPIOB_PIN(5) = 1 << 5;
169#endif
170 kernel_entry = (void*) loadbuffer;
171 commit_discard_idcache();
172 printf("Executing");
173 kernel_entry();
174 printf("ERR: Failed to boot");
175
176 /* never returns */
177 while(1) ;
178}