29/77: [USBPORT] Add USB2_IncMicroFrame().

[Vadim Galyant]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=71a7208f693ff9af09cc38...

commit 71a7208f693ff9af09cc3852ac4baed5a903e055
Author:     Vadim Galyant [e-mail]
AuthorDate: Fri Dec 1 10:13:10 2017 +0900
Commit:     Amine Khaldi [e-mail]
CommitDate: Sun Jan 21 19:35:44 2018 +0100

[USBPORT] Add USB2_IncMicroFrame().
---
 drivers/usb/usbport/usb2.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/usb/usbport/usb2.c b/drivers/usb/usbport/usb2.c
index b70ac11851..d8d5da9af1 100644
--- a/drivers/usb/usbport/usb2.c
+++ b/drivers/usb/usbport/usb2.c
@@ -38,6 +38,20 @@ USB2_AddDataBitStuff(IN USHORT DataTime)
     return (DataTime + (DataTime / 16));
 }

+VOID
+NTAPI
+USB2_IncMicroFrame(OUT PUCHAR frame,
+                   OUT PUCHAR uframe)
+{
+    ++*uframe;
+
+    if (*uframe > (USB2_MICROFRAMES - 1))
+    {
+        *uframe = 0;
+        *frame = (*frame + 1) & (USB2_FRAMES - 1);
+    }
+}
+
 BOOLEAN
 NTAPI
 USB2_CheckTtEndpointInsert(IN PUSB2_TT_ENDPOINT nextTtEndpoint,