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Date: Mon, 25 May 2015 19:14:11 -0300
Message-ID: <CAB=2f8wigyRaP9fXr6V=-+M9YZTE=2nzdj-AngD6m15zZFu1gQ@mail.gmail.com>
Subject: Re: pwm for raspberry pi?
From: Luiz Otavio O Souza <lists.br@gmail.com>
To: Daniel Braniss <danny@cs.huji.ac.il>
Cc: freebsd-arm <freeBSD-arm@freebsd.org>
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On 25 May 2015 at 07:52, Daniel Braniss wrote:
> Hi,
> Now that I=E2=80=99m rapping up my spi/rfid driver (available on demand :=
-),
> I would like to use the pwm interface to power on/off a lock, but
> have no idea how to go around it, so any clues would be mostly welcomed.
>
> cheers,
>         danny

The PWM module is quite simple and has only two outputs, they can be
used only with recent 40 GPIO pins header (RPi-B+ or RPi2), in the
older models only one output was wired.

The bcm2835 peripherals datasheet describes the PWM module registers.

Luiz