kingst-la2016: use a pool of USB bulk transfers, speedup download

[libsigrok.git] / src / hardware / kingst-la2016 / protocol.h

diff --git a/src/hardware/kingst-la2016/protocol.h b/src/hardware/kingst-la2016/protocol.h
index c536617fcd47aaba97f4b44e75dc170c768cedec..bbb44c336a8edcf7541b392aa47fa3d3a665b7ba 100644 (file)
--- a/src/hardware/kingst-la2016/protocol.h
+++ b/src/hardware/kingst-la2016/protocol.h
@@ -46,6 +46,7 @@
  */
 #define LA2016_EP6_PKTSZ       512 /* Max packet size of USB endpoint 6. */
 #define LA2016_USB_BUFSZ       (256 * 2 * LA2016_EP6_PKTSZ) /* 256KiB buffer. */
+#define LA2016_USB_XFER_COUNT  32 /* Size of USB bulk transfers pool. */
 
 /* USB communication timeout during regular operation. */
 #define DEFAULT_TIMEOUT_MS     200
@@ -148,7 +149,7 @@ struct dev_context {
        uint32_t read_pos;
 
        struct feed_queue_logic *feed_queue;
-       struct libusb_transfer *transfer;
+       GSList *transfers;
        size_t transfer_bufsize;
 };