diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/Endpoint.c')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/Endpoint.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c index 4b2d1c059..fdb6c7469 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.c +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c @@ -142,6 +142,8 @@ uint8_t Endpoint_WaitUntilReady(void) uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; #endif + uint16_t PreviousFrameNumber = USB_Device_GetFrameNumber(); + for (;;) { if (Endpoint_GetEndpointDirection() == ENDPOINT_DIR_IN) @@ -161,10 +163,12 @@ uint8_t Endpoint_WaitUntilReady(void) return ENDPOINT_READYWAIT_BusSuspended; else if (Endpoint_IsStalled()) return ENDPOINT_READYWAIT_EndpointStalled; - - if (USB_INT_HasOccurred(USB_INT_SOFI)) + + uint16_t CurrentFrameNumber = USB_Device_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) { - USB_INT_Clear(USB_INT_SOFI); + PreviousFrameNumber = CurrentFrameNumber; if (!(TimeoutMSRem--)) return ENDPOINT_READYWAIT_Timeout; |