X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/899df7d3318e478859d940ec8debe679888476a5..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/Bootloaders/DFU/BootloaderDFU.c

diff --git a/Bootloaders/DFU/BootloaderDFU.c b/Bootloaders/DFU/BootloaderDFU.c
index f9bc4e060..1dae162d2 100644
--- a/Bootloaders/DFU/BootloaderDFU.c
+++ b/Bootloaders/DFU/BootloaderDFU.c
@@ -87,7 +87,7 @@ static uint8_t Flash64KBPage = 0;
  */
 static uint16_t StartAddr = 0x0000;
 
-/** Memory end address, indicating the end address to read to/write from in the memory being addressed (either FLASH
+/** Memory end address, indicating the end address to read from/write to in the memory being addressed (either FLASH
  *  of EEPROM depending on the issued command from the host).
  */
 static uint16_t EndAddr = 0x0000;
@@ -109,7 +109,7 @@ int main(void)
 
 	/* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */
 	PORTF |= (1 << 4);
-	_delay_ms(10);
+	Delay_MS(10);
 
 	/* If the TCK pin is not jumpered to ground, start the user application instead */
 	RunBootloader = (!(PINF & (1 << 4)));
@@ -119,6 +119,9 @@ int main(void)
 	MCUCR &= ~(1 << JTD);	
 	#endif
 
+	/* Turn on first LED on the board to indicate that the bootloader has started */
+	LEDs_SetAllLEDs(LEDS_LED1);
+
 	/* Enable global interrupts so that the USB stack can function */
 	sei();
 
@@ -149,6 +152,11 @@ void SetupHardware(void)
 
 	/* Initialize the USB subsystem */
 	USB_Init();
+	LEDs_Init();
+	
+	/* Bootloader active LED toggle timer initialization */
+	TIMSK1 = (1 << TOIE1);
+	TCCR1B = ((1 << CS11) | (1 << CS10));
 }
 
 /** Resets all configured hardware required for the bootloader back to their original states. */
@@ -162,15 +170,18 @@ void ResetHardware(void)
 	MCUCR = 0;
 }
 
+/** 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_ControlRequest event. This is used to catch and process control requests sent to
  *  the device from the USB host before passing along unhandled control requests to the library for processing
  *  internally.
  */
 void EVENT_USB_Device_ControlRequest(void)
-{
-	/* Get the size of the command and data from the wLength value */
-	SentCommand.DataSize = USB_ControlRequest.wLength;
-	
+{	
 	/* Ignore any requests that aren't directed to the DFU interface */
 	if ((USB_ControlRequest.bmRequestType & (CONTROL_REQTYPE_TYPE | CONTROL_REQTYPE_RECIPIENT)) !=
 	    (REQTYPE_CLASS | REQREC_INTERFACE))
@@ -178,6 +189,12 @@ void EVENT_USB_Device_ControlRequest(void)
 		return;
 	}
 
+	/* Activity - toggle indicator LEDs */
+	LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2);
+
+	/* Get the size of the command and data from the wLength value */
+	SentCommand.DataSize = USB_ControlRequest.wLength;
+
 	switch (USB_ControlRequest.bRequest)
 	{
 		case DFU_REQ_DNLOAD: