Multi-hardware adaptation method based on Linux
A technology of hardware and files, which is applied in the field of multi-hardware adaptation based on Linux, can solve the problems of not being able to satisfy the platformization of software and hardware, not being able to adapt hardware, and the method is not flexible enough, so as to achieve more efficient communication, better compatibility, and lower The effect on the probability of communication errors
Active Publication Date: 2020-11-06
YANFENG VISTEON ELECTRONICS TECH NANJING
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The invention discloses a multi-hardware adaptation method based on Linux, relating to the technical field of automotive electronics. In the Bootloader stage, a vehicle-mounted entertainment SOC processor of a vehicle-mounted entertainment system can obtain hardware information of a vehicle-mounted MCU processor; parameters in the kernel can be modified according to different hardware information;the function of dynamically adapting to hardware is achieved; the vehicle-mounted entertainment SOC processor is communicated with the vehicle-mounted MCU processor through IPCL in the Bootloader stage; hardware information of different vehicle types in the vehicle-mounted MCU processor end is obtained; an equipment tree FDT according to different vehicle models in the Bootloader stage is modified; and finally, dynamic adaptation is realized in a Linux Kernel driver according to different hardware parameters. According to the method, the requirement for multi-hardware adaptation can be effectively met, convenient, flexible and non-inductive configuration is achieved, meanwhile, the probability of communication errors is reduced, the configuration of the communication protocol is simple, communication can be achieved in different starting stages, and good compatibility is achieved for different platforms.
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