Ejemplos de udc_request_queue en C++ (Cpp)

Ejemplo n.º 1

Archivo: fastboot.c Proyecto: SonyAimbo/iq456_kernel

int usb_write(void *buf, unsigned len)
{
	int r;

	if (fastboot_state == STATE_ERROR)
		goto oops;

	req->buf = buf;
	req->length = len;
	req->complete = req_complete;
	r = udc_request_queue(in, req);
	if (r < 0) {
		dprintf(INFO, "usb_write() queue failed\n");
		goto oops;
	}
	event_wait(&txn_done);
	if (txn_status < 0) {
		dprintf(INFO, "usb_write() transaction failed\n");
		goto oops;
	}
	return req->length;

oops:
	fastboot_state = STATE_ERROR;
	return -1;
}

Ejemplo n.º 2

Archivo: fastboot.c Proyecto: thornbirdblue/8064_project_lk

static int usb_read(void *_buf, unsigned len)
{
	int r;
	unsigned xfer;
	unsigned char *buf = _buf;
	int count = 0;

	if (fastboot_state == STATE_ERROR)
		goto oops;

	while (len > 0) {
		xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
		req->buf = PA((addr_t)buf);
		req->length = xfer;
		req->complete = req_complete;
		r = udc_request_queue(out, req);
		if (r < 0) {
			dprintf(INFO, "usb_read() queue failed\n");
			goto oops;
		}
		event_wait(&txn_done);

		if (txn_status < 0) {
			dprintf(INFO, "usb_read() transaction failed\n");
			goto oops;
		}

		count += req->length;
		buf += req->length;
		len -= req->length;

		/* short transfer? */
		if (req->length != xfer) break;
	}
	/*
	 * Force reload of buffer from memory
	 * since transaction is complete now.
	 */
	arch_invalidate_cache_range(_buf, count);
	return count;

oops:
	fastboot_state = STATE_ERROR;
	return -1;
}

Ejemplo n.º 3

Archivo: fastboot.c Proyecto: SonyAimbo/iq456_kernel

int usb_read(void *_buf, unsigned len)
{
	int r;
	unsigned xfer;
	unsigned char *buf = _buf;
	int count = 0;

	if (fastboot_state == STATE_ERROR)
		goto oops;

	while (len > 0) {
		xfer = (len > MAX_USBFS_BULK_SIZE) ? MAX_USBFS_BULK_SIZE : len;
		req->buf = buf;
		req->length = xfer;
		req->complete = req_complete;
		r = udc_request_queue(out, req);
		if (r < 0) {
			dprintf(INFO, "usb_read() queue failed\n");
			goto oops;
		}
		event_wait(&txn_done);

		if (txn_status < 0) {
			dprintf(INFO, "usb_read() transaction failed\n");
			goto oops;
		}

		count += req->length;
		buf += req->length;
		len -= req->length;

		/* short transfer? */
		if (req->length != xfer) break;
	}

	return count;

oops:
	fastboot_state = STATE_ERROR;
	return -1;
}