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Tips for beginners for embedded Linux
At present, Linux as the main force of embedded system, widely used in consumer electronics, industrial control, military electronics, telecommunications/network/communications, aerospace, automotive electronics, medical equipment, instrumentation and other related industries. With the rapid development of the embedded industry, embedded Linux with its system development maturity, market application of the high share is also favored by more engineers and friends, more and more enterprises and research and development organizations are turning to embedded Linux development and research, This makes the embedded Linux in the emerging embedded operating system domain also obtains the rapid development and the widespread application. And for those who want to enter the embedded industry as soon as possible to engage in product development friends, the choice of embedded Linux direction as a starting point is undoubtedly one of the best ways.
Recently, there are many graduates facing graduation, job-seeking students came to the trust Ying Tatsu Embedded Training Center to learn about the embedded Linux direction of learning arrangements. In the process of communicating with them, the most frequently asked questions are "How do I prepare for the pre-learning of embedded Linux?" "," What basic courses do you need to cram for learning embedded Linux? "," What is the difference between embedded Linux development and common software development in learning methods? "," a lot of actual project? "Is there a professional to lead?" , I believe that these are also a lot of beginners will be concerned about the issue, in order to help you do a good job of pre-school embedded Linux, we have to answer these common questions one by one, to provide you with reference, hope to be helpful.
1, how to do the embedded Linux before learning preparation?
To become a qualified embedded Linux engineer, need to learn the software and hardware related knowledge in the field, need to grasp the development of norms and principles at the beginning, develop good working habits. In order to ensure the effectiveness of the study, the entire curriculum system of the trust is very focused and efficient, which requires students who are ready to participate in the embedded Linux Employment program to adjust their own time and be sure to be able to concentrate on the 4-month learning period.
In the whole process of learning, we should ensure that the time to listen carefully in class, combat drills, but also to ensure that the course continues the actual combat drill, access to data time. Only after this high-intensity, combat-oriented training, in a relatively short period of time to master the standard embedded development workflow, so that they meet the needs of the embedded enterprise corresponding position.
In addition to the study time to do a good job of preparation, in the study of the mentality and methods of adjustment should be prepared. Many friends only understand the embedded Linux direction of good development prospects, only focus on high-income, job opportunities and other hot spots, but neglected the learning process itself. In order to be able to maximize the effectiveness of the centralized training, we recommend that you learn more about the characteristics of embedded product development, the technical specifications and work essentials needed to be mastered before the start of the study, and pay attention to the basic supplement and learning, so as to prepare for the follow-up reinforcement learning process. After all, attitude often determines the outcome of the last thing.
2. What basic courses do you need to study for embedded Linux?
Embedded Linux engineers need to have a certain C language Foundation, so many friends are only in freshman or sophomore study C (still not necessarily seriously learn, hehe!) ), after the basic no longer used the situation, we recommend that you first review the C language Foundation this piece. To remind you that the review can not only focus on the basic grammar, for the commonly used data storage and processing methods, such as: arrays, structures and so also to pay attention to, conditional words must be on the machine personally knocking on the code, analysis to understand the specific case code to write ideas, let oneself slowly into an embedded developer status.
In addition, in the case of time permitting, we recommend that you look at the computer operating system working principle and the principle of computer composition and other aspects of professional books. For the process, thread, task scheduling, bus, I/O and other basic concepts and work principle has a preliminary understanding and grasp, this part of the knowledge of the preparation for the follow-up to better learning embedded Linux system development will play a good role in helping.
3. What is the difference between embedded Linux development and common software development in learning methods?
To be a successful embedded software developer, the design capability of the program is the primary skill, which is the same as the requirements of a common software developer. However, as the "carrot" of the embedded development, it is required to understand not only the work process and working principle of the lower level software (such as operating system, driver-level software), in the Professional level of software development also need to fully consider the software design time and space efficiency, so as to design a high-performance embedded program.
Therefore, in the process of developing a relatively complex embedded system, it is necessary to pay more attention to the establishment of complete knowledge architecture in the course of learning. In particular, the understanding of the original rational knowledge of the relatively ordinary software developers have put forward higher requirements. Therefore, in the process of learning, "to know it, but also to know why."
4. Make full use of network resources. Some of the learning materials on the Internet can be used for learning. For example, some targeted forum community, often to see the exchange, is also a good way. An embedded Linux professional community is recommended here, inviting the month community to be a small and refined community about embedded Linux, the URL is www.edu118.com
Remember that throughout the whole is: to know why learn? You know what you're learning? You know how to learn? You know how to use it? Finally, you need to know how to solve the problem when it is used? Believe that these questions as clues to the learning process can help you quickly become an excellent embedded development engineer.

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