Re: [Paparazzi-devel] [TWOG] CAM Port Pins

[Eduardo lavratti]

For sure you can use the CAM_SW as camera trigger.
Use an optocoupler to connect this pin to your camera.

Use something like this to control the cam_sw pin

    <load name="digital_cam.xml">
      <define name="DC_SHUTTER_GPIO" value="GPIOC,GPIO12"/>
    </load>

> Date: Tue, 2 Dec 2014 06:52:26 -0600
> From: address@hidden
> To: address@hidden
> Subject: Re: [Paparazzi-devel] [TWOG] CAM Port Pins
>
> Is there a way to signal it On/Off? I guess voltage regulation is the
> wrong phrase.
>
> ~Kris
>
> On 12/02/2014 02:46 AM, Rolf Noellenburg wrote:
> > Hello Kris,
> >
> > following the schematics given on the side of your link, CamSW is on a
> > pin similar to a led switch and is not suitable to control a servo.
> > Only the outputs SRV0 to SRV7 can drive a servo directly on a TwoG.
> >
> > By the way: the servo pins don't adjust a voltage in order to modify
> > the position of the servo but provide a PWM signal which is translated
> > to a corresponding angle by the servo.
> >
> > Best regards,
> > Rolf
> >
> >
> > Am 02.12.2014 01:03, schrieb Kristofer Von Ahnen:
> >> Is it possible to regulate the voltage of the CamSW pin on the TWOG
> >> board (http://wiki.paparazziuav.org/wiki/TWOG/v1.0) for sending a
> >> hardware signal to a separate device? I notice in the cam_control
> >> module that the servo pins are being used to adjust a camera's
> >> position by sending commands, but can the same be done with the CamSW
> >> pin?
> >>
> >> Best,
> >> ~Kris
> >>
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