Changeset 6b433a8 in mainline for uspace/lib/usbdev/src/pipesinit.c

Timestamp:

2017-11-20T19:14:31Z (6 years ago)

Author:

Salmelu <salmelu@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

27b0ea0

Parents:

d3086873

Message:

Isochronous transfers - endpoint initialization

File:

• uspace/lib/usbdev/src/pipesinit.c (modified) (2 diffs)

uspace/lib/usbdev/src/pipesinit.c

@@ -210 +210 @@
         unsigned max_burst = 0;
         unsigned max_streams = 0;
+        unsigned bytes_per_interval = 0;
+        unsigned mult = 0;
         if(companion_desc) {
                 max_burst = companion_desc->max_burst;
                 max_streams = SS_COMPANION_MAX_STREAMS(companion_desc->attributes);
-        }
-
+                bytes_per_interval = companion_desc->bytes_per_interval;
+                mult = SS_COMPANION_MULT(companion_desc->attributes);
+        }
+
+        // FIXME: USB2 packets and USB3 max_burst are probably the same thing
+        // See 4.14.2.1.1 of XHCI specification -> possibly refactor into one somehow-named field
         int rc = usb_pipe_initialize(&ep_mapping->pipe,
             ep_no, description.transfer_type,
@@ -221 +227 @@
             description.direction, ED_MPS_TRANS_OPPORTUNITIES_GET(
                 uint16_usb2host(endpoint_desc->max_packet_size)),
-            max_burst, max_streams, bus_session);
+            max_burst, max_streams, bytes_per_interval, mult, bus_session);
         if (rc != EOK) {
                 return rc;