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Interview (Questions and Hints (1. Write a Hello World (or LED output) …
Interview
Questions and Hints
1. Write a Hello World
(or LED output)
on any device?
Need
Write the code calmly
Solve compile errors/ warnings
Debug and deploy the application
No need
Try to code
without
any errors
2. Which thing are done
before main()?
Need
Describe one-by-one tasks
Explicitly initialization
by Initialization code
Config clock
Config some important peripherals
...
Implicitly initialization
by Compiler
Init variables: global, static variables
Init stack: set stack pointer
Setup interrupt vector table
...
Don't
Have no knowledge what is done before main()
3. Describe a your own
project architecture
Need
List components following this order
List all components
Which is the main intput and output of system
Connections and data directions among components
Input and output of each component
Don't
Not follow any order
=> difficult to understand