/*************************************************************************** * __________ __ ___. * 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; }