Briefly describe how to write a CAN driver for a generic microcontroller
Senior Firmware Engineer Interview Questions
222 senior firmware engineer interview questions shared by candidates
FPGA and digital design - average questions
Aptitude questions: N ladder problem: A person can take either one step or two step at a time. In how many ways he can climb ladder which has n steps. DSP math library question related to trignometric function implementation using c code. Also how do implement log(), sqrt() etc. DSP questions on Q format.
What are basic state machines.
Related to C-programming, System programming and basic electronics.
There's not a particular question that's most difficult. I'd recommend being pretty up on RTOS and recent embedded microcontrollers. In my case I feel I am rather up on C, C++, board design and bringup, hw tools, author-level linker and debugger tech, fair RTOS understanding at a kernel level, register-level ARM and AVR understanding, and decades of UNIX experience, and those didn't get me to "yes", despite all those fitting the job description. So you might wish to set expectations that a whole constellation of judgement may be at play and a good technical show may be just half of the requirements. I really don't know why I wasn't selected, unfortunately, so my guess is in a market like SF or Seattle one gets a pretty sweet pool from which to choose.
can you let the cpu run a snippet of code from RAM?
Advanced C , SPI , I2C , UART , programs ........
Multi threading, Basic C and c++
Basic knowledge of C programming. Focused on memory.
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