int novacom_usb_transport_start(void)
{
/*clear auth */
auth_reset();
/* create an event to drive the io worker thread */
platform_event_create(&usb_online_event);
platform_event_unsignal(&usb_online_event);
/* create a set of events to track the status of the io threads */
platform_event_create(&rx_shutdown_event);
platform_event_unsignal(&rx_shutdown_event);
platform_event_create(&tx_shutdown_event);
platform_event_unsignal(&tx_shutdown_event);
/* create a thread to run the control endpoint */
platform_create_thread(NULL, &ep0_thread, NULL);
return 0;
}
/* main worker thread */
static void *novacom_usb_findandattach_thread(void *arg)
{
novacom_usb_handle_t *usb;
/* init records */
usbrecords_init();
/* initialize records queue */
TAILQ_INIT(&t_recovery_queue);
/* device discovery */
while (!novacom_shutdown) {
usb = novacom_usb_open();
if (usb ) {
usb->shutdown = false;
TRACEF("usb_handle 0x%08x, bus=%03d dev=%03d\n", usb->usbll_handle, usb->busnum, usb->devnum);
platform_event_create(&usb->tx_startup_event);
platform_event_unsignal(&usb->tx_startup_event);
usb->tx_startup_wait = 1;
platform_event_create(&usb->tx_shutdown_event);
platform_event_unsignal(&usb->tx_shutdown_event);
platform_create_thread(NULL, &novacom_usb_rx_thread, (void *)usb);
platform_create_thread(NULL, &novacom_usb_tx_thread, (void *)usb);
}
if (!novacom_shutdown) {
sleep(1); // dont peg the cpu waiting for usb
/* check recovery records, shutdown interface if timeout expired */
(void) usbrecords_update( 1 ); /* assume 1sec delay */
}
}
/* update records: forcing shutdown of all records */
usbrecords_update(TRANSPORT_RECOVERY_TIMEOUT);
return NULL;
}
