On Tue, Mar 12, 2013 at 11:18 PM, Xiaofan Chen <xiaof...@gmail.com> wrote: > On Fri, Mar 8, 2013 at 1:55 PM, Xiaofan Chen <xiaof...@gmail.com> wrote: >> On Thu, Mar 7, 2013 at 11:34 AM, Xiaofan Chen <xiaof...@gmail.com> wrote: >>> I have removed some of the Mac OS X thingy from 1.0.15. They >>> are good to have but not necessary. >> >> Now only issue #83, issue #98 and issue #102 are listed under >> 1.0.15 milestone. >> https://github.com/libusbx/libusbx/issues?milestone=11&state=open >> >> If possible, I will see if I can get #97 and #99 Darwin bug fixes into >> 1.0.15 or not. If not, they can be in next release. They look >> relatively simple to me. >> > > The following is the patch for #97, recreated from Nathan's patch > against libusbx.git. >
The following is for #99, modified from the libusb.org ticket #165.
I think the original patch there is flawed since it does not consider
Super Speed where Mac OS X 10.8.x supports.
>From 4f22847d7d25ccb5caedfa8b72bc18167c9fabee Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <z...@jvnv.net>
Date: Tue, 12 Mar 2013 23:30:05 +0800
Subject: [PATCH] Darwin: Do not assume HS when submitting isochronous
transfer
---
libusb/os/darwin_usb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c
index ed4a933..8575162 100644
--- a/libusb/os/darwin_usb.c
+++ b/libusb/os/darwin_usb.c
@@ -1443,7 +1443,10 @@ static int submit_iso_transfer(struct
usbi_transfer *itransfer) {
transfer->num_iso_packets, tpriv->isoc_framelist,
darwin_async_io_callback,
itransfer);
- cInterface->frames[transfer->endpoint] = frame +
transfer->num_iso_packets / 8;
+ if (transfer->dev_handle->dev->speed == LIBUSB_SPEED_FULL)
+ cInterface->frames[transfer->endpoint] = frame + transfer->num_iso_packets;
+ else
+ cInterface->frames[transfer->endpoint] = frame +
transfer->num_iso_packets / 8;
if (kresult != kIOReturnSuccess) {
usbi_err (TRANSFER_CTX (transfer), "isochronous transfer failed
(dir: %s): %s", IS_XFERIN(transfer) ? "In" : "Out",
--
1.7.12.4 (Apple Git-37)
--
Xiaofan
fix_isoc_darwin.patch
Description: Binary data
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