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Be doubly-certain that the incomming CDC class driver's endpoint/pipe is flushed only once when the bank is empty.

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This commit is contained in:
Dean Camera
2010-01-28 06:37:26 +00:00
parent cec699ac59
commit d26a9ed5fd
2 changed files with 26 additions and 10 deletions
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13
LUFA/Drivers/USB/Class/Device/CDC.c
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@@ -190,10 +190,17 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterface
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))
Endpoint_ClearOUT();
if (Endpoint_IsOUTReceived())
{
if (!(Endpoint_BytesInEndpoint()))
Endpoint_ClearOUT();
return Endpoint_BytesInEndpoint();
return Endpoint_BytesInEndpoint();
}
else
{
return 0;
}
}
uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)