> (when it was in hostmodus before I go through the bootroutine)
> or it resets and runs a programm (when the unit was running a programm).
> Whatever I do, I never get a blank screen.
>
> Bart
>
> > Hi Bart,
> >
> > almost every brand new CC2 owner falls into this trap I think.
> >
> > Unlike the Hostmode, where you can see it on the LCD display,
> > you get absolutely NO indication when the unit is in boot mode !
> > Just send the new OS.HEX file over the serial interface, after pressing
> > Reset and Boot keys exactly how you described it before. It should work.
> >
> > The voltage level of the boot line seems to be OK for me.
> > TTL-low level is below 0,8 Volt. And 2,5 Volt is definitely more than this.
> >
> > Greetings Martin
> >
> > > > Hallo alle, ich habe ein Problem mit den Bootstrap und auch meine kenntnisse der Deutsche
> > > > Sprache so weiter aufs English.
> > > > Today, finally my c-control ii unit arrived. I mounted it on the cc.tools regler board and
> > > > tried to install a new version of the os. Unfortunately I can not get the unit to go into bootstrap modus.
> > > > I push the reset button and the boot button simultaneously and release the reset button.
> > > > After about 40 seconds I also release the boot button.
> > > > If the unit was in Hostmode it does not change the status and if the unit was running it boots the program again.
> > > > I use the standard yellow and red coloured buttons from the regler board.
> > > > I must be doing something wrong but I have no idea what? Somebody similar experience?
> > > >
> > > > Tnx Bart
> > >
> > > By the way: the voltage behaviour of the boot line is rather strange. After a reset (only pressing the reset
> > > button for a short period) the boot line goes high (5v) but just before
> > > the unit comes back (when the piezo clicks and it says cc2 v1.0 on the lcd)
> > > it drops to about 2,5 V and it stays in that status.
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