void UsbSerial_begin( void )
{
USBD_Disconnect(); // tell the host we're not attached
CDCDSerialDriver_Initialize();
USBD_Connect();
usbSerial.readSemaphore = SemaphoreCreate();
SemaphoreTake( usbSerial.readSemaphore, -1 );
usbSerial.writeSemaphore = SemaphoreCreate();
SemaphoreTake( usbSerial.writeSemaphore, -1 );
}
void* ConditionCreate()
{
condition_t *cond = (condition_t *)malloc(sizeof(condition_t));
cond->waiters = 0;
cond->semaphore = SemaphoreCreate(0);
return (void *)cond;
}
ThreadQueue *NewThreadQueue()
{
ThreadQueue *q = (ThreadQueue *)malloc(sizeof(ThreadQueue));
if (q == NULL) {
error("malloc failed");
return NULL;
}
SemaphoreCreate(&q->sem, 0);
q->queue = NewQueue();
return q;
}
/* Starts the DeviceManager request thread */
void DmStart(void)
{
/* Debug */
LogInformation("DRVM", "Starting Request Handler");
/* Create the signal & Request queue */
GlbDmEventLock = SemaphoreCreate(0);
GlbDmEventQueue = list_create(LIST_SAFE);
/* Spawn the thread */
ThreadingCreateThread("Device Event Thread", DmRequestHandler, NULL, 0);
/* Is there a boot video? */
if (GlbDmBootVideo != NULL)
DmCreateDevice("Boot-Video", GlbDmBootVideo);
}
