Embedded Systems Programming Definition and Application
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Simply put, embedded technology is application-centric, based on computer technology, and its software and hardware can be customized. It is suitable for application systems with strict requirements on functions, reliability, cost, volume, and power consumption. An embedded system is a complete computer system including hardware and software. Its definition is: "An embedded system is application-centric.
Based on computer technology, the software and hardware can be customized, and it is suitable for application systems that have strict requirements on functions, reliability, cost, volume and power consumption. "The computer used in the embedded system is a special microprocessor embedded in the controlled object, but the function is more specialized than that of a general-purpose computer. It has a special design for a certain aspect, suitable computing speed, high reliability and low comparative cost that general-purpose computers cannot have.
To give a simple example, your smartphone is actually an embedded system. Its system configuration includes some hardware such as storage, CPU, and battery, but considering power consumption, a system is specially customized for smartphones. Imagine if smartphones still use the CPU of desktop computers, the final product will weigh dozens of kilograms. Will anyone buy such a phone? Therefore, an embedded system is a system customized according to product requirements.
Embedded technology originated from single-chip microcomputer technology and is the core of various digital electronic and electromechanical products. It is mainly used to realize the control, monitoring or management of hardware equipment. In the 21st century, about 90% of the development of computer applications in various industries will involve embedded development. The annual growth rate of the global embedded software market exceeds 12.5%, and the annual industrial output value brought by embedded systems reaches 1 trillion US dollars. In the next three years, the embedded software industry will maintain an annual compound growth rate of more than 40%.
A mature embedded engineer basically needs to understand application development and low-level development, which of course includes a lot more. The application prospects of embedded systems are very broad, and Timon Technology is more involved in embedded system control in the industrial field.
Industrial automation equipment based on embedded chips will achieve rapid development. Currently, there are a large number of 8, 16, and 32-bit embedded microcontrollers in use. Networking is the main way to improve production efficiency and product quality and reduce human resources, such as industrial process control, digital machine tools, power systems, power grid security, power grid equipment monitoring, and petrochemical systems. As for traditional industrial control products, low-end models often use 8-bit single-chip microcomputers. However, with the development of technology, 32-bit and 64-bit processors have gradually become the core of industrial control equipment and will surely achieve rapid development in the next few years.
Industrial equipment is the largest category of electromechanical products. Among the current industrial control equipment, industrial computers are widely used. These industrial computers generally use industrial-grade processors and various devices, among which X86 MPUs are the most common. The requirements for industrial control are often high, requiring a variety of device interfaces. In addition to real-time control, the device status and sensor information must be displayed in real time on the display screen. These requirements cannot be met by 8-bit microcontrollers. In the past, most used 16-bit processors. With the rapid development of processors, 32-bit and 64-bit processors have gradually replaced 16-bit processors, further improving system performance. The system using the PC104 bus is small in size, stable and reliable, and is favored by many users.
However, these industrial computers often use DOS or Windows systems. Although they have embedded characteristics, they cannot be called pure embedded systems. In terms of industrial controllers and equipment controllers, embedded processors dominate. These controllers often use processors above 16 bits, and various MCUs, Arm, Mips, and 68K series processors occupy a core position in the controllers. These processors provide a wealth of interface bus resources, which can be used to achieve data acquisition, data processing, communication, and display. Recently, Philips and ARM jointly launched a 32-bit RISC embedded controller suitable for industrial control. It uses the most advanced 0.18-micron CMOS embedded flash processing technology, and the operating voltage can be as low as 1.2 volts. It can also reduce manufacturing costs by 25% to 30%, which is a very cost-effective solution for end users in the industrial field.
Embedded technology is particularly important in industrial control and is the core link of control. Timon Technology continuously optimizes embedded systems and strives to create a high-performance, high-reliability non-traditional industrial control device for users.
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