diff options
Diffstat (limited to 'LUFA/Drivers')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c index c274853de..16bc01549 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.c +++ b/LUFA/Drivers/USB/Class/Device/CDC.c @@ -263,6 +263,9 @@ static int CDC_Device_getchar_Blocking(FILE* Stream) {
while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
{
+ if (USB_DeviceState == DEVICE_STATE_Unattached)
+ return _FDEV_EOF;
+
CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
USB_USBTask();
}
|