Files
qmk/LUFA/Drivers/USB/LowLevel/Template/Template_Endpoint_Control_W.c
T
Dean Camera 4421782b7f Make Control Endpoint stream transfers more reliable by adding in early aborts for unexpected new SETUP tokens, or unexpected status stage during control stream writes.
Fix corruption in Device RNDIS demos TCP stack when too many connections attempted simultaneously, freezing the device when a page was re-fetched before the first connection was closed.

Fix incorrect model compatibility information in the Host LowLevel demo overview text files.
2009-08-05 11:39:28 +00:00

44 lines
1.1 KiB
C

uint8_t TEMPLATE_FUNC_NAME (void* Buffer, uint16_t Length)
{
uint8_t* DataStream = (uint8_t*)(Buffer + TEMPLATE_BUFFER_OFFSET(Length));
bool LastPacketFull = false;
if (Length > USB_ControlRequest.wLength)
Length = USB_ControlRequest.wLength;
while (Length || LastPacketFull)
{
if (Endpoint_IsSETUPReceived())
return ENDPOINT_RWCSTREAM_HostAborted;
if (Endpoint_IsOUTReceived())
break;
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
if (Endpoint_IsINReady())
{
while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
{
TEMPLATE_TRANSFER_BYTE(DataStream);
Length--;
}
LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
Endpoint_ClearIN();
}
}
while (!(Endpoint_IsOUTReceived()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return ENDPOINT_RWCSTREAM_DeviceDisconnected;
}
return ENDPOINT_RWCSTREAM_NoError;
}
#undef TEMPLATE_BUFFER_OFFSET
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_TRANSFER_BYTE