MIPI-CSI2 support in moto mods?

Hi, everyone,

I'm researching on integrating a MIPI-CSI2 camera with Moto Z.

I see MIPI-CSI2 pin-outs are available on the reference mod: https://developer.motorola.com/build/mdk-user-guide

But I did not find the software API for it https://developer.motorola.com/explore/software

Are camera devices not managed by the mod manager?

My questions:

1. what are my options of implementing camera control (e.g. power on/off, stream on/off, zoom, focus)? Through v4l2subdev or android camera framework or do userspace i2c in the app? What about some non-standard camera control? (say optical filters, illumination spectrum)

2. details of the communication protocols, e.g. virtual channel, data type, clock rate of MIPI-CSI2, I believe those needs to be communicated to the SoC's hardware (e.g. MIPI-CSI phy, camera interface, IPU). How is that done on a Moto mod?

Thank you very much.

0 kingstu over 7 years ago

Did you look at the camera example with a Pi Hat camera?
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0 motomodsdev over 7 years ago in reply to kingstu

Please read the camera documentation here, it will answer many of your questions: https://developer.motorola.com/explore/firmware/camera-ext
And as Stuart mentioned, check out the Pi camera example.

At this time, Mods cameras replace the rear camera and are fully integrated into Camera1/HAL1. Any application may make use of it using standard Android APIs, Mod Manager doesn't have any explicit APIs.

For any custom controls that don't exist in Android, you will need a custom APK and will utilize the Raw protocol to communicate from your APK to your Moto Mod.
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