diff options
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDC.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index 030ad9464..7f5bcb940 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -445,6 +445,9 @@ static int CDC_Host_getchar_Blocking(FILE* Stream) {
while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
{
+ if (USB_HostState == HOST_STATE_Unattached)
+ return _FDEV_EOF;
+
CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
USB_USBTask();
}
|