Embedded Software

This repo contains code relevant to embedded software engineers preparing for interviews.

Table of Contents:

Basics:

1. Endianness of machine - endian.c
2. Two's complement representation of numbers - twos_complement.c
3. Swap Bytes - swapbytes.c
4. Aligned Malloc and Free - aligned_malloc.c

Device Driver:

1. CAN driver register programming using bitfields - can_bitfields.c
2. CAN driver register programming using macros - can_offsets.c
3. Update Bits/Field in a register - update_bits.c

Pointers:

1. Arrays of Pointers - array_of_pointers.c
2. Pointer to Arrays - pointer_to_arrays.c
3. Function Pointer Arrays - function_pointers.c

Simple Algorithms:

1. Fibonacci sequence - fibonacci_recursive.c
2. Binary search in an array - binsearch_array.c
3. Reverse linked list - reverse_list.c

Multi-threading & Multi-processing: (Compile-line: Use -pthread and -lrt)

1. Pthreads & Mutexes - threads.c
2. Fork & Posix Semaphores - process.c

TBD:

1. Processing command line args
2. Variable length data at the end of a struct
3. Circular linked list, with double pointers
4. Binary search tree