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Changed over manual loops waiting for endpoints to be ready to use the library Endpoint_WaitUntilReady() function for robustness. Fixes issues with terminated transfers on the host locking up USB devices.

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Dean Camera
2009-08-05 09:37:45 +00:00
parent 4b35dd1670
commit a9d5e129b7
9 changed files with 31 additions and 91 deletions
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14
LUFA/Drivers/USB/Class/Device/CDC.c
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@@ -126,12 +126,7 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
while (!(Endpoint_IsReadWriteAllowed()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_WaitUntilReady();
}
Endpoint_ClearIN();
@@ -156,12 +151,7 @@ void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, con
if (!(Endpoint_IsReadWriteAllowed()))
{
Endpoint_ClearIN();
while (!(Endpoint_IsReadWriteAllowed()))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return;
}
Endpoint_WaitUntilReady();
}
Endpoint_Write_Byte(Data);