| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2008 by Maurus Cuelenaere |
| * |
| * 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 "jz4740.h" |
| #include "backlight.h" |
| #include "font.h" |
| #include "lcd.h" |
| #include "usb.h" |
| #include "system.h" |
| #include "button.h" |
| #include "common.h" |
| #include "storage.h" |
| #include "disk.h" |
| #include "string.h" |
| |
| static void show_splash(int timeout, const char *msg) |
| { |
| reset_screen(); |
| lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2, |
| (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg); |
| lcd_update(); |
| |
| sleep(timeout); |
| } |
| |
| static void usb_mode(void) |
| { |
| int button; |
| |
| /* Init backlight */ |
| backlight_init(); |
| |
| /* Init USB */ |
| usb_init(); |
| usb_start_monitoring(); |
| |
| /* Wait for threads to connect */ |
| show_splash(HZ/2, "Waiting for USB"); |
| |
| while (1) |
| { |
| button = button_get_w_tmo(HZ/2); |
| |
| if (button == SYS_USB_CONNECTED) |
| break; /* Hit */ |
| } |
| |
| if (button == SYS_USB_CONNECTED) |
| { |
| /* Got the message - wait for disconnect */ |
| show_splash(0, "Bootloader USB mode"); |
| |
| usb_acknowledge(SYS_USB_CONNECTED_ACK); |
| |
| while (1) |
| { |
| button = button_get(true); |
| if (button == SYS_USB_DISCONNECTED) |
| { |
| usb_acknowledge(SYS_USB_DISCONNECTED_ACK); |
| break; |
| } |
| } |
| } |
| |
| reset_screen(); |
| } |
| |
| static void boot_of(void) |
| { |
| /* Init backlight */ |
| backlight_init(); |
| } |
| |
| int main(void) |
| { |
| int rc, dummy; |
| void (*kernel_entry)(void); |
| |
| kernel_init(); |
| lcd_init(); |
| font_init(); |
| lcd_setfont(FONT_SYSFIXED); |
| button_init(); |
| storage_init(); |
| |
| reset_screen(); |
| |
| #ifdef HAVE_TOUCHSCREEN |
| rc = button_read_device(&dummy); |
| #else |
| rc = button_read_device(); |
| #endif |
| |
| if(rc & BUTTON_VOL_UP) |
| usb_mode(); |
| else if(button_hold()) |
| boot_of(); |
| else if(rc) |
| verbose = true; |
| |
| /* Only enable backlight when button is pressed */ |
| if(verbose) |
| { |
| backlight_init(); |
| printf(MODEL_NAME" Rockbox Bootloader"); |
| printf("Version "APPSVERSION); |
| } |
| |
| rc = storage_init(); |
| if(rc) |
| error(EATA, rc); |
| |
| rc = disk_mount_all(); |
| if (rc <= 0) |
| error(EDISK,rc); |
| |
| printf("Loading firmware"); |
| rc = load_firmware((unsigned char *)CONFIG_SDRAM_START, BOOTFILE, 0x400000); |
| if(rc < 0) |
| printf("Error: %s", strerror(rc)); |
| |
| if (rc == EOK) |
| { |
| printf("Starting Rockbox..."); |
| disable_interrupt(); |
| kernel_entry = (void*) CONFIG_SDRAM_START; |
| kernel_entry(); |
| } |
| |
| /* Halt */ |
| while (1) |
| core_idle(); |
| |
| return 0; |
| } |