int usbhost_claim_device(int virtdev_index)
{
D(bug("USBHost: claim_device() %d", virtdev_index));
int r;
int dev_index, int_index;
dev_index = virtual_device[virtdev_index].idx_dev;
int_index = virtual_device[virtdev_index].idx_interface;
r = libusb_kernel_driver_active(devh[dev_index], int_index);
if (r < 0) {
D(bug("USBHost: Checking if kernel driver is active failed. Error %d", r));
return -1;
}
if (r == 1) {
D(bug("USBHost: Kernel driver active for interface"));
D(bug("USBHost: Trying to detach it"));
r = libusb_detach_kernel_driver(devh[dev_index], int_index);
} else goto claim;
if (r < 0) {
D(bug("USBHost: Driver detaching failed"));
return -1;
}
claim: r = libusb_claim_interface(devh[dev_index], int_index);
if (r < 0) {
D(bug("USBHost: Claiming interface failed"));
return -1;
}
virtual_device[virtdev_index].connected = true;
if (++number_ports_used == NUMBER_OF_PORTS)
disable_buttons();
for (int i = 0; i < NUMBER_OF_PORTS; i++) {
if (roothub.port[i].busy == true)
continue;
roothub.port[i].busy = true;
roothub.port[i].port_number = i;
roothub.port[i].device_index = dev_index;
virtual_device[virtdev_index].port_number = i;
break;
}
fill_port_status(virtual_device[virtdev_index].port_number, virtual_device[virtdev_index].connected);
return r;
}
void buttons_init(void) {
btn_table[0] = &yes_btn;
btn_table[1] = &no_btn;
disable_buttons();
_lwmsgq_init((pointer) btns_msg_queue, NUM_BTN_MESSAGES, MSG_SIZE_ALIGNED);
}