If you want to become an embedded engineer, how do you get started? This article will describe the concept of embedded in detail for engineers who are about to enter embedded development from the perspective of technology and employment experience. The following content is about

Want to become an embedded engineer , how to get started? This article will describe in detail the concept of embedded from the perspective of technology and employment experience for engineers who are about to enter embedded development of . The following content is about Some of the contents of embedded development are based on the experiences of seniors. I hope that the contents I summarized will be helpful to everyone.

First, what does embedded system look like in the eyes of engineers? In the eyes of engineers, if you want to understand the concept of " embedded in ", you should mainly understand it from three aspects.

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1. From the hardware point of view, the peripheral devices based on CPU are integrated into the CPU chip. For example, in the early computers based on the X86 architecture, the CPU only had arithmetic units and accumulators All functions of the chip must be expanded and implemented by external bridges. Things like serial ports are implemented by the external 16C550/2 serial port controller chip. The current serial port controller chip has already been integrated into the CPU, and some PCs have graphics cards. Most embedded processors have LCD controllers, but in a sense they are equivalent to graphics cards . The relatively high-end ARM-like intel IXP network processor CPU under the Xscale architecture integrates a PCI controller (can be configured to support 4 PCI slave devices or configure itself as a CPI slave device); it also integrates 3 NPE network processor engines. Two of them correspond to two MAC addresses and can be used for gateway switching, while the other NPE network processor engine supports DSL. As long as a PHY chip is added outside, the DSL Internet function can be realized. The high main frequency of the IXP series can reach 1.8G, supports 2G memory, 1G×10 or 10G×1 Ethernet port or Febre channel optical channel. The IXP series should be aimed at high-end processors based on the ARM system architecture and integrated by Intel into the Xscale core.

2. From the software perspective, the application is selected into the customized operating system kernel, and after compilation, the kernel is downloaded to the ROM. The application components selected when customizing the operating system kernel complete the "embedding" of the software. For example, WinCE will have corresponding choices when customizing the kernel, including wordpad, PDF, MediaPlay, etc. If we choose, After CE starts, you can find these things in the interface. If it is the Windows operating system of the previous PC, most of the things need to be reinstalled.

3. Burning the software kernel or application file system and other things into the ROM in the embedded system hardware platform achieves a true "embedding".

These three points are the concept of "infiltration" in the eyes of engineers, but within the entire field, no one dares to say that their definition is very accurate, because after all, embedded systems are a comprehensive discipline in the field of computers. Therefore, the content discussed here is also a summary of the concepts of embedded systems from several predecessors.

If you want to become a professional embedded engineer, how should you get started? How should you learn related majors? The three points introduced above are only from a professional perspective and may be helpful to entry-level embedded engineers. However, if you want to become an excellent embedded engineer, you also need to have relevant professional qualities, improve your own abilities from communication and teamwork skills, etc., so that your own abilities can be continuously improved. To become an excellent embedded engineer, there are also What difficulty...