short delay

Changelog.txt

@@ -1,4 +1,8 @@
-$Id: Changelog.txt,v 1.2 2006/10/02 17:08:41 rschaten Exp $
+$Id: Changelog.txt,v 1.3 2007/01/02 21:03:54 rschaten Exp $
+
+* Release
+
+- short delay before initialization
 
 * Release 061002
 

firmware/main.c

@@ -2,7 +2,7 @@
  * \file main.c
  * \brief Firmware for the USB-LED-Fader.
  * \author Ronald Schaten & Thomas Stegemann
- * \version $Id: main.c,v 1.2 2006/09/29 21:51:07 rschaten Exp $
+ * \version $Id: main.c,v 1.3 2007/01/02 21:04:47 rschaten Exp $
  *
  * License: See documentation.
  */
@@ -10,6 +10,7 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
+#include <util/delay.h>
 
 #include "usbdrv.h"
 #include "oddebug.h"
@@ -259,6 +260,14 @@ int main(void) {
     }
     DDRD = ~USBMASK;            /* all outputs except USB data */
     TCCR0 = 3;                  /* set prescaler to 1/64 */
+
+    for (i = 0; i < 10; i++) {  /* wait one second to prevent strange
+                                   effects when the USB-bus isn't
+                                   initialized (e. g. when the host system
+                                   is on standby. */
+        _delay_ms(100);
+    }
+
     usbInit();
     sei();