Implement malloc , implement an atoi function
Firmware Interview Questions
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Make a bitmask that takes as input a width and position
How to save to memory without holes
How to remove duplicates from linked lists?
past experience on firmware projects. I2C v SPI - data rates, pros and cons, when to prefer one over the other Nyquist sampling theorem - What frequency required to prevent aliasing? What to do and what *not* to do in an interrupt.
Error rate of FSK, PSK Nyquist sampling rate 7 layer OSI model IP/TCP protocol
Volatile variables, static variables. Compilation process
Si había trabajado con sensores para equipos mineros.
One guy asked me to write C code on a whiteboard, another asked me more about what I liked to do for fun, and the others were more what I was expecting: why do you want this job, how are you qualified, future plans etc. Overall a much more technical interview than I was expecting.
Asked about projects, experience, What is I2C, SPI? discussed languages and my comptency in C++ since they want someone with C++ knowledge
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