struct usb_device_info * usb_open_and_wait_for_device(void) {
libusb_device **devs;
libusb_device **dev;
struct usb_device_info * ret = NULL;
int i = 0;
void (*prev)(int);
static char progress[] = {'/','-','\\', '|'};
if ( libusb_init(NULL) < 0 ) {
PRINTF_LINE("libusb_init failed");
PRINTF_END();
return NULL;
}
PRINTF_BACK();
printf("\n");
signal_quit = 0;
prev = signal(SIGINT, signal_handler);
while ( ! signal_quit ) {
PRINTF_LINE("Waiting for USB device... %c", progress[++i%sizeof(progress)]);
if ( libusb_get_device_list(NULL, &devs) < 0 ) {
PRINTF_LINE("Listing USB devices failed");
PRINTF_END();
break;
}
for ( dev = devs; *dev != NULL; ++dev ) {
ret = usb_device_is_valid(*dev);
if ( ret )
break;
}
libusb_free_device_list(devs, 1);
if ( ret )
break;
SLEEP(0xc350); // 0.5s
}
if ( prev != SIG_ERR )
signal(SIGINT, prev);
PRINTF_BACK();
printf("\n");
if ( ! ret )
return NULL;
return ret;
}
struct usb_device_info * usb_open_and_wait_for_device(void) {
struct usb_bus * bus;
struct usb_device_info * ret = NULL;
int i = 0;
static char progress[] = {'/','-','\\', '|'};
usb_init();
usb_find_busses();
PRINTF_BACK();
printf("\n");
while ( 1 ) {
PRINTF_LINE("Waiting for USB device... %c", progress[++i%sizeof(progress)]);
usb_find_devices();
for ( bus = usb_get_busses(); bus; bus = bus->next ) {
if ( bus->root_dev )
ret = usb_search_device(bus->root_dev, 0);
else {
struct usb_device *dev;
for ( dev = bus->devices; dev; dev = dev->next ) {
ret = usb_search_device(dev, 0);
if ( ret )
break;
}
}
if ( ret )
break;
}
if ( ret )
break;
usleep(0xc350); // 0.5s
}
PRINTF_BACK();
printf("\n");
if ( ! ret )
return NULL;
return ret;
}
void printf_progressbar(unsigned long long part, unsigned long long total) {
char *columns = getenv("COLUMNS");
int pc;
int tmp, cols = 80;
/* percentage calculation */
pc = total == 0 ? 100 : (int)(part*100/total);
( pc < 0 ) ? pc = 0 : ( pc > 100 ) ? pc = 100 : 0;
PRINTF_BACK();
PRINTF_ADD("\x1b[K %3d%% [", pc);
if ( columns )
cols = atoi(columns);
if ( cols > 115 )
cols = 115;
cols-=15;
for ( tmp = cols*pc/100; tmp; tmp-- ) PRINTF_ADD("#");
for ( tmp = cols-(cols*pc/100); tmp; tmp-- ) PRINTF_ADD("-");
PRINTF_ADD("]");
if ( part == total ) PRINTF_END();
fflush(stdout);
}
