这个函数的目的是为了在进行USB数据传输时提供一个容器,其中包含了一次USB传输所需的所有信息。 以下是`libusb_alloc_transfer`函数的基本说明: ```c struct libusb_transfer *libusb_alloc_transfer(int iso_packets); ``` -参数: - `iso_packets`:用于传递给`libusb_alloc_transfer`函数的参数,指定要为...
inf->itransfer =libusb_alloc_transfer(0);if(!inf->itransfer)gotoerr_free_cbuf; inf->ctransfer =libusb_alloc_transfer(0);if(!inf->ctransfer)gotoerr_free_int; slog(1, SLOG_INFO,"usb: Now looking for a matching device"); ncusb_watch_for_device(inf->ctx, &inf->dev_descr);return...
LibUsb.clearHalt(handle, bulk_endpoint);intres =0;for(intindex =0; index < NUM_TRANSFERS; ++index) {// Create & submit the transferTranferUserData user_data =newTranferUserData(this, index); xfr[index] = LibUsb.allocTransfer(0);// Java GC takes care of memory freeingByteBuffer transfer_...