Hello everyone.
I have an 3DR APM Plane
My goal is to configure the camera trigger for CHDK.
What I know:
- Configure camera with chdk. It's done.
- Configure APM camera trigger.
I've being searching and looking at CHDK topic in adupilot website. And without success.
I learned that I have to configure CAM_TRIGG_TYPE to 1 (Relay). Then configure the channel. In this case I want to shut the camera with APM with DO_DIGICAM_CONTROL. Also I need an Amplifier Circuit to make the APM output can shut the camera.
Questions that I'd like to to solve:
- How does CAM_TRIGG_TYPE==1 work? Does the output output a PullUp signal?
- What other configuration do I have to do through mission Planner? RC10.
At the end I want to read the APM DO_DIGICAM_CONTROL output signal with another microcontroller for other purpose.
The main focus for my issue could be to configure the APM Plane to work with DO_DIGICAM_CONTROL.
Thanks a lot.
Replies
Ok, I did a research and this are the configuration for this purpose:
Mission Planner
- CAM_TRIGG_TYPE 1
- RC7_FUNCTION 10
- RELAY_PIN 50 :this the number of pin A9, check PixHawk Common Pins
Camera Gimbal
- Shutter RC7
PixHawk
- Connect Cable (CHDK) to A9 (Ground and signal, output 3.3V)
If someone has the same problem I can help them.
Regards.
Just looking to get the same with pixhawk ourselves
what was the answer to your below comment......
Does it out put a 3.3v signal our fution as a true relay?
thanks for any help, would save some time and testing.
CAM_TRIGG_TYPE == 1 means Relay mode. It has PullUp signal when it is triggered. 3.3V output.
Output Relay is like digital Output 0 or 1. 0 or 0.0V nothing happend, 1 or 3.3V, the camera was triggered.
Regards.
thanks for the reply, that was the assumption we made so all good.
Best of luck with your project....