void button_init(void) { /* Init used objects first */ queue_init(&button_queue, true); #ifdef HAVE_BUTTON_DATA int temp; #endif /* hardware inits */ button_init_device(); #ifdef HAVE_BUTTON_DATA button_read(&temp); lastbtn = button_read(&temp); #else button_read(); lastbtn = button_read(); #endif reset_poweroff_timer(); #ifdef HAVE_LCD_BITMAP flipped = false; #endif #ifdef HAVE_BACKLIGHT filter_first_keypress = false; #ifdef HAVE_REMOTE_LCD remote_filter_first_keypress = false; #endif #endif #ifdef HAVE_TOUCHSCREEN last_touchscreen_touch = 0xffff; #endif /* Start polling last */ tick_add_task(button_tick); }
void* main(void) { char filename[MAX_PATH]; int i; int btn; int rc; int num_partitions; struct partinfo* pinfo; #if !(CONFIG_STORAGE & STORAGE_SD) char buf[256]; unsigned short* identify_info; #endif int usb = USB_EXTRACTED; chksum_crc32gentab (); system_init(); kernel_init(); #ifdef HAVE_BOOTLOADER_USB_MODE /* loader must service interrupts */ enable_interrupt(IRQ_FIQ_STATUS); #endif lcd_init(); font_init(); show_logo(); adc_init(); #ifdef HAVE_BOOTLOADER_USB_MODE button_init_device(); #else button_init(); #endif #if defined(SANSA_E200) || defined(PHILIPS_SA9200) i2c_init(); _backlight_on(); #endif if (button_hold()) { verbose = true; lcd_clear_display(); printf("Hold switch on"); printf("Shutting down..."); sleep(HZ); power_off(); } btn = button_read_device(); /* Enable bootloader messages if any button is pressed */ #ifdef HAVE_BOOTLOADER_USB_MODE lcd_clear_display(); if (btn) verbose = true; #else if (btn) { lcd_clear_display(); verbose = true; } #endif lcd_setfont(FONT_SYSFIXED); printf("Rockbox boot loader"); printf("Version: " RBVERSION); printf(MODEL_NAME); i=storage_init(); #if !(CONFIG_STORAGE & STORAGE_SD) if (i==0) { identify_info=ata_get_identify(); /* Show model */ for (i=0; i < 20; i++) { ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]); } buf[40]=0; for (i=39; i && buf[i]==' '; i--) { buf[i]=0; } printf(buf); } else { error(EATA, i, true); } #endif disk_init(IF_MV(0)); num_partitions = disk_mount_all(); if (num_partitions<=0) { error(EDISK,num_partitions, true); } /* Just list the first 2 partitions since we don't have any devices yet that have more than that */ for(i=0; i<NUM_PARTITIONS; i++) { pinfo = disk_partinfo(i); printf("Partition %d: 0x%02x %ld MB", i, pinfo->type, pinfo->size / 2048); } /* Now that storage is initialized, check for USB connection */ if ((btn & BOOTLOADER_BOOT_OF) == 0) { usb_pin_init(); usb = handle_usb(HZ*2); if (usb == USB_INSERTED) btn |= BOOTLOADER_BOOT_OF; } /* Try loading Rockbox, if that fails, fall back to the OF */ if((btn & BOOTLOADER_BOOT_OF) == 0) { printf("Loading Rockbox..."); snprintf(filename,sizeof(filename), BOOTDIR "/%s", BOOTFILE); rc = load_mi4(loadbuffer, filename, MAX_LOADSIZE); if (rc <= EFILE_EMPTY) { bool old_verbose = verbose; verbose = true; printf("Can't load " BOOTFILE ": "); printf(loader_strerror(rc)); verbose = old_verbose; btn |= BOOTLOADER_BOOT_OF; sleep(5*HZ); } else goto main_exit; } if(btn & BOOTLOADER_BOOT_OF) { /* Load original mi4 firmware in to a memory buffer called loadbuffer. The rest of the loading is done in crt0.S. 1) First try reading from the hidden partition (on Sansa only). 2) Next try a decrypted mi4 file in /System/OF.mi4 3) Finally, try a raw firmware binary in /System/OF.bin. It should be a mi4 firmware decrypted and header stripped using mi4code. */ printf("Loading original firmware..."); #if (CONFIG_STORAGE & STORAGE_SD) /* First try a (hidden) firmware partition */ printf("Trying firmware partition"); pinfo = disk_partinfo(1); if(pinfo->type == PARTITION_TYPE_OS2_HIDDEN_C_DRIVE) { rc = load_mi4_part(loadbuffer, pinfo, MAX_LOADSIZE, usb == USB_INSERTED); if (rc <= EFILE_EMPTY) { printf("Can't load from partition"); printf(loader_strerror(rc)); } else { goto main_exit; } } else { printf("No hidden partition found."); } #endif #if defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330) || defined(PHILIPS_SA9200) printf("Trying /System/OF.ebn"); rc=load_mi4(loadbuffer, "/System/OF.ebn", MAX_LOADSIZE); if (rc <= EFILE_EMPTY) { printf("Can't load /System/OF.ebn"); printf(loader_strerror(rc)); } else { goto main_exit; } #endif printf("Trying /System/OF.mi4"); rc=load_mi4(loadbuffer, "/System/OF.mi4", MAX_LOADSIZE); if (rc <= EFILE_EMPTY) { printf("Can't load /System/OF.mi4"); printf(loader_strerror(rc)); } else { #if defined(SAMSUNG_YH925) lcd_reset(); #endif goto main_exit; } printf("Trying /System/OF.bin"); rc=load_raw_firmware(loadbuffer, "/System/OF.bin", MAX_LOADSIZE); if (rc <= EFILE_EMPTY) { printf("Can't load /System/OF.bin"); printf(loader_strerror(rc)); } else { #if defined(SAMSUNG_YH925) lcd_reset(); #endif goto main_exit; } error(0, 0, true); } main_exit: #ifdef HAVE_BOOTLOADER_USB_MODE storage_close(); system_prepare_fw_start(); #endif return (void*)loadbuffer; }