Mostly question about doing firmware.
Details about specific protocol for the sake of their development requirement for this job position.
Some question about your personality and your future planning. Describe a lot about this job position's duty. Put much emphasis on hands on code ability for every staff in this company including management staff.
Phone interview with HR and then technical interview with white board, 3 programming problems and others are related to operating systems. After technical interview, there’s no reply for 2 months.