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;
}
