diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/Pipe.c')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Pipe.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index a8eb50f63..5f1090245 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -133,6 +133,8 @@ uint8_t Pipe_WaitUntilReady(void) #else uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; #endif + + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); for (;;) { @@ -151,10 +153,12 @@ uint8_t Pipe_WaitUntilReady(void) return PIPE_READYWAIT_PipeStalled; else if (USB_HostState == HOST_STATE_Unattached) return PIPE_READYWAIT_DeviceDisconnected; - - if (USB_INT_HasOccurred(USB_INT_HSOFI)) + + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) { - USB_INT_Clear(USB_INT_HSOFI); + PreviousFrameNumber = CurrentFrameNumber; if (!(TimeoutMSRem--)) return PIPE_READYWAIT_Timeout; |