USB_TASK_STATE_ONQ
if (!(task->state & USB_TASK_STATE_ONQ)) {
task->state |= USB_TASK_STATE_ONQ;
if (!(task->state & USB_TASK_STATE_ONQ))
task->state &= ~USB_TASK_STATE_ONQ;
task->state &= ~USB_TASK_STATE_ONQ;
task->state &= ~USB_TASK_STATE_ONQ;