diff options
Diffstat (limited to 'Demos/Device/LowLevel/CDC/CDC.c')
| -rw-r--r-- | Demos/Device/LowLevel/CDC/CDC.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Demos/Device/LowLevel/CDC/CDC.c b/Demos/Device/LowLevel/CDC/CDC.c index ac0623a4d..d8263b11f 100644 --- a/Demos/Device/LowLevel/CDC/CDC.c +++ b/Demos/Device/LowLevel/CDC/CDC.c @@ -254,6 +254,10 @@ void CDC_Task(void) "Joystick Pressed\r\n",
};
+ /* Device must be connected and configured for the task to run */
+ if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
+ return;
+
#if 0
/* NOTE: Here you can use the notification endpoint to send back line state changes to the host, for the special RS-232
* handshake signal lines (and some error states), via the CONTROL_LINE_IN_* masks and the following code:
|