Make sure the device is attached before sending the report

2018-06-30 16:52:39 +02:00
parent 11a8ffbaf5
commit b9b5eb2c76
5 changed files with 15 additions and 0 deletions
--- a/right/src/usb_interfaces/usb_interface_media_keyboard.c
+++ b/right/src/usb_interfaces/usb_interface_media_keyboard.c
@@ -21,6 +21,9 @@ void ResetActiveUsbMediaKeyboardReport(void)

 usb_status_t UsbMediaKeyboardAction(void)
 {
+    if (!UsbCompositeDevice.attach)
+        return kStatus_USB_Error; // The device is not attached
+
    if (((usb_device_hid_struct_t *)UsbCompositeDevice.mediaKeyboardHandle)->interruptInPipeBusy)
        return kStatus_USB_Busy; // The previous report has not been sent yet