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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-31 12:43:28 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-08-31 12:43:28 +0000 |
| commit | cf2776531c04b0ebe4fdd9d4ef5324dacefd5639 (patch) | |
| tree | 77b16f5d7549c309950e0c0b9eadc527382ba613 /LUFA/Drivers/USB/Class/Device/CDC.c | |
| parent | 778da9dc6d48c670b9fb0ce219e8df083a33e0c6 (diff) | |
| download | lufa-cf2776531c04b0ebe4fdd9d4ef5324dacefd5639.tar.gz lufa-cf2776531c04b0ebe4fdd9d4ef5324dacefd5639.tar.bz2 lufa-cf2776531c04b0ebe4fdd9d4ef5324dacefd5639.zip | |
Add extra check for OUT ZLP in the CDC Device Class driver service task to quickly clear zero-length termination packets from the host.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/CDC.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c index 31fd8f1b0..816a5f13d 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ b/LUFA/Drivers/USB/Class/Device/CDC.c @@ -118,6 +118,11 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo) if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
return;
+ Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
+
+ if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))
+ Endpoint_ClearOUT();
+
CDC_Device_Flush(CDCInterfaceInfo);
}
|