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pazos · 10-29-2020, 08:20 AM

@Slople: serial support needs to be enabled in the kernel (in-built on declared in device tree), for that to work.

Onyx doesn't abide to GPLv2 license, as you can see in http://bbs.onyx-international.com/t/...nel-source/698

Also, since android has its own permissions, probably you need to modify the boot image to grant yourself a proper SELinux context to use that particular device node.

Somebody with the device can tell you if /dev/tty0 (or similar, it can change with the SoC) exists, and you can actually use it to read/write even if root is available.

If you consider serial you can try with a Tolino Shine 3 (same model as Clara HD, has a wired serial header, might need changes in the kernel, boot image, etc but sources are available)

10-29-2020, 08:20 AM	#4
pazos cosiñeiro Posts: 1,406 Karma: 2451781 Join Date: Apr 2014 Device: BQ Cervantes 4	@Slople: serial support needs to be enabled in the kernel (in-built on declared in device tree), for that to work. Onyx doesn't abide to GPLv2 license, as you can see in http://bbs.onyx-international.com/t/...nel-source/698 Also, since android has its own permissions, probably you need to modify the boot image to grant yourself a proper SELinux context to use that particular device node. Somebody with the device can tell you if /dev/tty0 (or similar, it can change with the SoC) exists, and you can actually use it to read/write even if root is available. If you consider serial you can try with a Tolino Shine 3 (same model as Clara HD, has a wired serial header, might need changes in the kernel, boot image, etc but sources are available) Last edited by pazos; 10-29-2020 at 08:22 AM.