Design And Realization Of Integrated Development Environment Of Automotive HMI

:In recent years, the rapid development of in-vehicle information and entertainment systems bring a higher requirement for the development of the human machine interface (HMI).Firstly, the current situation of the development of automotive HMI developing platform and its visualization are analyzed. Combined with the in-vehicle HMI design principles and key requirements of visualization, a automotive visual integrated HMI development environment is accomplished.The software platform of this environment includes the interface design software on Windows and the system software on Linux. Designed interface application can run directly on both Windows and Linux.In order to improve efficiency, compilation run of the target code is selected. Meanwhile, in order to reduce repetitive work which is caused by repeatedly compiling and downloading codes, interpretative languages is also used despite for the compilation run. In terms of the interface data exchange mechanism, instead of the traditional cycle scan mode, the mode of sending and receiving signals is applied. The new working mode is based on Qt’s signals and slots mechanism and helps to enhance the reliability of the HMI, as well as to lower the CPU consumption due to the meaningless scan cycle. The whole automotive HMI integrated development environment is divided into two modules, the main window and the graphical user interface editor, each of them has a detailed introduction of how to achieve. The graphical user interface module acts as a visual window. Users can complete graphical design by simply dragging and clicking the mouse. Then by clicking on the compile button, link button and download button, the integrated development environment can automatically call relevant tools to generate the codes and the executable file. Debugging process can be divided into preview debugging, local debugging, and debugging in target machine, which greatly facilitates user’s development. Test results show that this automotive HMI integrated development environment can meet the general requirements and it is a truly visual GUI designing tool.