https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0216b033ccdd886d10395279766a87907e830881
commit 0216b033ccdd886d10395279766a87907e830881 Author: Vadim Galyant <[email protected]> AuthorDate: Wed Nov 29 23:50:26 2017 +0900 Commit: Amine Khaldi <[email protected]> CommitDate: Sun Jan 21 19:35:44 2018 +0100 [USBPORT] Add USB2_GetLastIsoTime(). --- drivers/usb/usbport/usb2.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c index ad8375db20..94c2844bd7 100644 --- a/drivers/usb/usbport/usb2.c +++ b/drivers/usb/usbport/usb2.c @@ -132,6 +132,33 @@ USB2_GetOverhead(IN PUSB2_TT_ENDPOINT TtEndpoint) return Overhead; } +ULONG +NTAPI +USB2_GetLastIsoTime(IN PUSB2_TT_ENDPOINT TtEndpoint, + IN ULONG Frame) +{ + PUSB2_TT_ENDPOINT nextTtEndpoint; + ULONG Result; + + DPRINT("USB2_GetLastIsoTime: TtEndpoint - %p, Frame - %X\n", + TtEndpoint, + Frame); + + nextTtEndpoint = TtEndpoint->Tt->FrameBudget[Frame].IsoEndpoint->NextTtEndpoint; + + if (nextTtEndpoint || + (nextTtEndpoint = TtEndpoint->Tt->FrameBudget[Frame].AltEndpoint) != NULL) + { + Result = nextTtEndpoint->StartTime + nextTtEndpoint->CalcBusTime; + } + else + { + Result = USB2_FS_SOF_TIME; + } + + return Result; +} + VOID NTAPI USB2_InitTtEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
