Started with asking me to reverse a string in C, followed up by asking me to rewrite with pointer arithmetic only.
Embedded Software Developer Interview Questions
4,382 embedded software developer interview questions shared by candidates
How would you count the number of set bits in the binary representation of a number?
About 10 C code samples and asked me what it does and if it is done correctly (simple stuff, and I'm just a novice - finished my masters about 2 months ago).
They described a real fault that they had experienced with an elevator control system and asked how I would go about identifying the root cause. They offered clues about the symptoms encountered. I don't want to be more detailed about the question because I really liked these guys and I suspect this is their favorite interview question. If you are experienced at fault finding and listen to what they are saying you can figure it out.
some tough level puzzles
Would you prefer an RTOS based solution or not (and why) for an example use case provided.
C program to turn on a clock display by changing registers
general c questions: storage classes, pointers, structures, with some programs low level driver implementation: bit wise operations, controlling gpios, leds, atoi, strings. micro controller question: modules likes timers, gpios, interrupts, communicaton protocols etc.. previous projects explanations.
SPI Modes
What's the difference between and linked list and an array?
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