19 серпня 2013 о 20:40 +0200 Karel Gardas написав(-ла): > On 08/14/13 11:49 PM, Eugeniy Meshcheryakov wrote: > >Hi, > > > >14 серпня 2013 о 16:54 +0200 Karel Gardas написав(-ла): > >>What makes me more nervous about supporting older chips is addition: > >> > >> rcc&= SYSCONRCC_MOSCDIS; > >> syscon->rcc = rcc; > >Ugh, wait, you are clearing all bits but SYSCONRCC_MOSCDIS in RCC? That > >could not be right. Did you mean to do > > > > rcc&= ~SYSCONRCC_MOSCDIS; > > > >?? > > No, I mean exactly what's there. What's the problem with disabling > main oscillator here? i.e. to disable main oscillator you need to > set MOSCDIS. > You cannot set MOSCDIS by using &= , you need |=. By using &= you are clearing all bits but MOSCDIS, including reserved bits and previously set SYSCONRCC_BYPASS. MOSCDIS is _not_ changed by this, but it is set after reset on both MCUs.
Regards, Eugeniy Meshcheryakov
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