What is embedded driver development?
Embedded driver development is a specialized field of software development, which primarily focuses on the creation of software that interacts with hardware devices in order to extract and employ data from them. Devices that are embedded with such drivers are commonly found in various fields including medical devices, automotive subsystems, industrial manufacturing, and home automation systems, among others.
What is involved in an embedded driver development test?
The embedded driver development test aims to assess the knowledge and expertise of the developer in the field of embedded systems programming. It is usually a coding test that will involve a range of activities including software implementation from requirements specification, knowledge of real-time operating systems, programming languages, and hardware-level interface knowledge. Programming language knowledge includes Assembly, C, C++, and Java, among others. The test typically assesses the candidate's proficiency in complete system design and Integration.
What kinds of questions should you expect in an embedded driver development test?
During the test, you should expect to encounter several questions that seek to test your knowledge of various aspects surrounding the field. Examples of such questions might include the following:
- What are the differences between interrupts and polling?
- What do you know about firmware development?
- What is the boot process on an embedded device?
- How do you ensure that your embedded software is reliable?
- What do you understand by the term “watchdog timer”?
- What are the tools used in embedded programming?
- Can you explain the role of the I2C bus in an embedded system?
To pass an embedded driver development test, you must be knowledgeable in all areas of embedded systems programming, able to demonstrate expertise in embedded software development tools and techniques, have design level knowledge of the application software, and have an understanding of the hardware components' functionality.
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