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| author | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-21 02:48:41 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2009-07-21 02:48:41 +0000 |
| commit | 67f390fe746ccc4d1dceac23f590eb1723cb7ff2 (patch) | |
| tree | eafc8a4dcb64a038afcb16fcae8d48033dc74249 /LUFA/Drivers/USB/Class/Device/CDC.c | |
| parent | bf50959b8016adbf6b295178b26b8173514dd060 (diff) | |
| download | lufa-67f390fe746ccc4d1dceac23f590eb1723cb7ff2.tar.gz lufa-67f390fe746ccc4d1dceac23f590eb1723cb7ff2.tar.bz2 lufa-67f390fe746ccc4d1dceac23f590eb1723cb7ff2.zip | |
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.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/CDC.c')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c index 07c05141b..12b55938c 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ b/LUFA/Drivers/USB/Class/Device/CDC.c @@ -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);
|