X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/513db46548c4757d912d158d0e261520c9ee608c..e9029d49d5455ec146d2e87436d43d747d6c657a:/Bootloaders/CDC/BootloaderCDC.c

diff --git a/Bootloaders/CDC/BootloaderCDC.c b/Bootloaders/CDC/BootloaderCDC.c
index ba0a629bc..f336a1368 100644
--- a/Bootloaders/CDC/BootloaderCDC.c
+++ b/Bootloaders/CDC/BootloaderCDC.c
@@ -63,6 +63,10 @@ static bool RunBootloader = true;
  */
 int main(void)
 {
+	/* Force a reference to the API jump table to prevent the linker from discarding it */
+	uint8_t* volatile Dummy = BootloaderAPI_JumpTable;
+	(void)Dummy;
+
 	/* Setup hardware required for the bootloader */
 	SetupHardware();
 
@@ -148,6 +152,9 @@ void EVENT_USB_Device_ControlRequest(void)
 		return;
 	}
 
+	/* Activity - toggle indicator LEDs */
+	LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
+
 	/* Process CDC specific control requests */
 	switch (USB_ControlRequest.bRequest)
 	{