A kind of lcd digital tube online simulation method
An analog method and digital tube technology, applied in the field of emulators, can solve problems such as cumbersome physical interface pairing, lack of standardized standards, and low efficiency of simulation verification, so as to achieve the effect of easy simulation verification, improve development efficiency, and shorten the cycle.
Active Publication Date: 2017-08-08
CHIPSEA TECH SHENZHEN CO LTD
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Problems solved by technology
This type of LCD digital tube display is complex and diverse, and there is no more standardized standard
Therefore, in the actual development and debugging of LCD digital tube display, users need to carry out cumbersome physical interface pairing, and the simulation verification efficiency is low.
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[0043] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0044] An LCD digital tube online simulation method realized by the present invention has the main characteristics that: the simulation data generated by the LCD digital tube simulator is obtained through the interaction between the simulation driver layer and the simulator.
[0045] Such as Figure 4 and figure 2 As shown, the specific steps are:
[0046] 101. After the IDE clicks to start running, the main process will open a separate thread without running the simulation function.
[0047] 102. The emulation driver layer first sends a "start command" packet PSFSTART to inform the emulator to...
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The invention discloses an LCD digital tube online simulation method. The simulation data generated by the LCD digital tube simulator is obtained through the interaction between the simulation drive layer and the simulator. The communication between the simulation drive layer and the simulator adopts a USB interface, and The simulation data uploaded by the emulator is saved through a specific data exchange format file. The data exchange format is: synchronization code+command+packet length+LCD register+check code, and the distribution command code of the data exchange format is FSPLCD. On the basis of the data format, simulation protocol and simulation algorithm, the invention optimizes the design of each module of the traditional simulator, and finally realizes the online simulation function of the LCD simulator. Therefore, when developing the LCD digital tube driver of the MCU, the equivalent simulation verification effect can be easily realized without complicated physical interface connection. This greatly shortens the product development cycle and improves development efficiency.
Description
technical field [0001] The invention belongs to the technical field of emulators, in particular to the emulation debugging of an MCU integrated with LCD digital tube drivers. Background technique [0002] MCU embedded IDE (Integrated Drive Electronics electronic integrated drive) with the diversity of MCU integrated functions, itself is also developing more and more powerful. In the early days, Keil company supported the general-purpose 51 series MCU-related peripheral function simulation. For example, the real-time simulation of serial port functions can be realized through supporting emulators. Nowadays, more and more companies begin to design special-purpose MCUs with RISC instruction architecture. These MCUs usually integrate more functional modules corresponding to the product application direction. Such as digital tube type LCD digital tube display driver module. This type of LCD digital tube display is complex and diverse, and there is no more standardized standard...
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IPC IPC(8): G06F11/26
Inventor 周乾江裴远红龙宣佑齐凡
Owner CHIPSEA TECH SHENZHEN CO LTD