Take a look at the TILM4F launchpad too. It runs at 80MHz and has floating
point also.
On 15 January 2014 17:53, skeezix <[email protected]> wrote:
> On Wed, 15 Jan 2014, Frank Duignan wrote:
>
> # There are a number of options available to Tim2 - A good read of the
> reference guide is required. Alternatively, if you just want a periodic
> interrupt why not use systick - it is
> # much simpler (doesn't even require ack'ing the irq)
>
> For the project in question I need pretty high speed and very
> accurate timings; this sample is just to get things in hand .. objective
> complete I guess.. learned a nasty :)
>
> Last thing I need to sort out is.. although setting to 120MHz, the
> timings actually feel half that.. so probably some scaling or something in
> the timer; once I get that wrinkle out, I'm in the busines.
>
> Porting over a basic VGA display and sprite/character-set library
> from avr8 to stm32. The avr8 jhust wasn't fast enough to keep resolution
> and colour up, nor had enough RAM for a framebuffer. The STM32 F2 and F4
> are far more beefy and can handle bit banging various video protocols no
> problem.. as long as you can keep your timing straight :)
>
> jeff
>
> --
> If everyone would put barbecue sauce on their food, there would be no war.
>
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