X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/041bdf89545b583e9fdb28b6c65bd15e3842c1fd..0c40ef8897448c56709bd26fb766c6e30635eea9:/Bootloaders/Printer/BootloaderPrinter.c

diff --git a/Bootloaders/Printer/BootloaderPrinter.c b/Bootloaders/Printer/BootloaderPrinter.c
index ef7f03ffc..3a14fdce5 100644
--- a/Bootloaders/Printer/BootloaderPrinter.c
+++ b/Bootloaders/Printer/BootloaderPrinter.c
@@ -297,6 +297,16 @@ void SetupHardware(void)
 	/* Hardware Initialization */
 	LEDs_Init();
 	USB_Init();
+
+	/* Bootloader active LED toggle timer initialization */
+	TIMSK1 = (1 << TOIE1);
+	TCCR1B = ((1 << CS11) | (1 << CS10));
+}
+
+/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */
+ISR(TIMER1_OVF_vect, ISR_BLOCK)
+{
+	LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
 }
 
 /** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs. */