Le 11/06/2015, Frédéric a écrit :
> The question is: which pins should I use for the servos, and which ones
> should I keep for other purposes (future features)?
>
> For example, I think I should keep:
>
> - 1x I²C bus
> - 1x SPI bus
> - 1x UART
> - a few PRU direct access GPIOs (for fast rd/wr, like pulse
> measurement...)
> - pins which can be used for timers/counters inputs
>
> As far as I understand, UART0 can be used directly from PRUs. But UART0
> is the one wired to the FTDI-compatible header; is it a good idea to use
> it for other purposes than debug the board?
>
> What about the I²C 2 bus? It seems to be allocated; is it used by linux
> for some board chips access?
>
> What other pins have usefull usage I should be aware of?
I finally used the following pins for the servos outputs:
P8.8 to P8.19 and P8.26 to P8.45. (I'm not using hdmi).
I started to design the cape, and I'm wondering what other pins should I
bring out (mainly from P9), and how to group them?
Any suggestion?
--
Frédéric
--
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