Compiling drivers

Users may need to compile the driver for the peripherals. There are usually two ways: 1) Put the driver source code into the kernel source code to compile. 2) For the convenience of users, we also provide the DEB package ofLinux headerandLinux imageto facilitate users to compile thekofile of the driver directly on the device.

Install

Go to the resource download page and download the DEB packages of Linux header and Linux image:

linux-4.4.185_4.4.185-8_arm64.changes
linux-headers-4.4.185_4.4.185-8_arm64.deb
linux-image-4.4.185_4.4.185-8_arm64.deb
linux-image-4.4.185-dbg_4.4.185-8_arm64.deb
linux-libc-dev_4.4.185-8_arm64.deb

Copy all the files to the device and install them through dpkg：

dpkg -i ./*.deb

Compile

Because ‘DEB’ is compiled on the x86 host, so some tools need to be compiled on the device

cd /usr/src/linux-headers-x.x.xxx/
make headers_check
make headers_install
make scripts
# It may go wrong, but it doesn't matter

In addition, module also needs to be executed：

depmod -a

If the driver is compiled on the board, after make install, you also need depmod - a