My playground for developing freebsd driver.
Source: see book "FreeBSD Device Driver" (https://nostarch.com/bsddrivers.htm) ... if a driver is based on one of the examples, the folder is named by the chapter and a hint for the function. See also https://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/index.html .
Overview of drivers.
First simple hello world driver.
Simple character device example.