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_generic_hid.c
+++ b/right/src/usb_interfaces/usb_interface_generic_hid.c
@@ -7,6 +7,9 @@ uint8_t GenericHidOutBuffer[USB_GENERIC_HID_OUT_BUFFER_LENGTH];

 static usb_status_t UsbReceiveData(void)
 {
+    if (!UsbCompositeDevice.attach)
+        return kStatus_USB_Error; // The device is not attached
+
    return USB_DeviceHidRecv(UsbCompositeDevice.genericHidHandle,
                             USB_GENERIC_HID_ENDPOINT_OUT_INDEX,
                             GenericHidInBuffer,