The Design And Implementation Of A LCD Driver Software Based On MIPI DSI Interface

With the development of electronic technology, more and more consumer electronics, more powerful, especially smart phones, the launch of the Android system in Google, smart phones have been an unprecedented development, all kinds of brand mobile phone such as Samsung, LG, contact, HUAWEI, cool were launched Android system of intelligent mobile phone. With the increase of the functions of mobile phone, mobile devices are emerging, thus on the mobile phone interface will be more and more diversified, this will cause interface, mobile phone design inconvenience. In order to solve this problem, the MIPI(Mobile Industry Processor Interface) alliance was born, MIPI union defines a set of standards, the internal device interface, such as a camera, a display screen, baseband, RF interface standardization, thereby increasing the flexibility of design, reduce the cost, design complexity etc.MIPI DSI is a serial interface to MIPI Alliance made for mobile devices, which is characterized by low power consumption, transmission speed, to meet the high-resolution display, the display module to reduce power requirements?This article will apply to Linux MIPI DSI interfaces display system architecture and achieve LCD display using MIPI DSI interface, introduces a LCD illuminated what work needs to be done, and describes how the LCD display image. In addition, the paper also studied the LCD display, such as content-adaptive backlight control(CABC), color temperature(CT), color-enhanced(CE), sunlight readable(SRE), these display and is closely related to people's senses, You can enhance the user experience shows, and plays an important role in the display.Based on the actual needs of the project, in-depth analysis of the current smartphone LCD display principle, studied the display interface MIPI DSI interfaces, come to the main functional requirements of the LCD display, to refine these requirements, according to the features of the system module division, the design system driver software, and the LCD display driver design, and gives a detailed design and implementation of the entire LCD driver software. Finally, the driver software for the system functional testing and non-functional testing, and the test results were analyzed and summarized. The results show that the system function display system designed to meet the needs of the show to meet the basic requirements, but in terms of performance the system needs further improvement.The main results of this paper is to develop a display driver software based on MIPI DSI interface to MIPI DSI interfaces have a comprehensive understanding of a wide range of the MIPI DSI interface application to move the display area for smart phones display module provides a new solution Program.