Valeo Embedded Software Developer interview questions

For valeo: (1). Written test(10 paper based programs using c) (2).face to face tech interview:question like: -first of all prepared your project deeply.. Deeply asked( project,project related questions,embedded c,i2c,spi,can protocol, what is arbitration in i2c,like so many questions.prepared well.) - asked 2 program like: 1.to clear & set bit using assembly language 2.using interrupt & switch led toggle for 5 sec.using assembly language. After that they gives 5 program input to find output related c .vector student gives answer easily. -jump in electronics like: 1.explain any npn or pnp junction working function draw the diagram also. 2.what is a rectifier.draw diagram of bridge rectifier & working function. (3) HR round: Sallery discuss. Family background. When joining? Some simple question is there..