Date: Mon, 25 May 2015 19:14:11 -0300 From: Luiz Otavio O Souza <lists.br@gmail.com> To: Daniel Braniss <danny@cs.huji.ac.il> Cc: freebsd-arm <freeBSD-arm@freebsd.org> Subject: Re: pwm for raspberry pi? Message-ID: <CAB=2f8wigyRaP9fXr6V=-%2BM9YZTE=2nzdj-AngD6m15zZFu1gQ@mail.gmail.com> In-Reply-To: <1FD1336E-D99F-4114-AD33-FBA1DF844E93@cs.huji.ac.il> References: <1FD1336E-D99F-4114-AD33-FBA1DF844E93@cs.huji.ac.il>
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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
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