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Add explicit guards to all device mode tasks to ensure the device is connected and configured before running the task, to prevent any user tasks from locking up the main USB task if the device has not been properly configured.

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This commit is contained in:
Dean Camera
2009-07-21 02:48:41 +00:00
parent bf50959b80
commit 67f390fe74
19 changed files with 245 additions and 216 deletions
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2
LUFA/Drivers/USB/Class/Device/CDC.c
View File

@@ -114,7 +114,7 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
{
if (!(USB_IsConnected))
if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
return;
Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);

2
LUFA/Drivers/USB/Class/Device/HID.c
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@@ -152,7 +152,7 @@ bool HID_Device_ConfigureEndpoints(USB_ClassInfo_HID_Device_t* const HIDInterfac
void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
{
if (!(USB_IsConnected))
if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
return;
Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);

2
LUFA/Drivers/USB/Class/Device/MassStorage.c
View File

@@ -96,7 +96,7 @@ bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceIn
void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
if (!(USB_IsConnected))
if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
return;
Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);

2
LUFA/Drivers/USB/Class/Device/RNDIS.c
View File

@@ -138,7 +138,7 @@ bool RNDIS_Device_ConfigureEndpoints(USB_ClassInfo_RNDIS_Device_t* const RNDISIn
void RNDIS_Device_USBTask(USB_ClassInfo_RNDIS_Device_t* const RNDISInterfaceInfo)
{
if (!(USB_IsConnected))
if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
return;
RNDIS_Message_Header_t* MessageHeader = (RNDIS_Message_Header_t*)&RNDISInterfaceInfo->State.RNDISMessageBuffer;