diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/MassStorage.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/MassStorage.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c index 14b7741db..dfa954c5c 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.c +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c @@ -166,19 +166,21 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) { - uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Unfreeze(); while (!(Pipe_IsINReceived())) { - if (USB_INT_HasOccurred(USB_INT_HSOFI)) + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) { - USB_INT_Clear(USB_INT_HSOFI); - TimeoutMSRem--; + PreviousFrameNumber = CurrentFrameNumber; - if (!(TimeoutMSRem)) + if (!(TimeoutMSRem--)) return PIPE_RWSTREAM_Timeout; } |