基于OMAPL138平台的串口LCD Linux驱动设计

Design and Implementation of Serial LCD Linux Driver Based on OMAPL138 Platform

简要介绍了OMAPL138及串口LCD,设计并实现了一款基于OMAPL138平台的串口LCD的Linux驱动,介绍了OMAPL138平台及串口LCD的配置方式以及串口LCD驱动使用的关键技术—Frame Buffer、DMA与SPI,描述了驱动的基本架构和运行流程,最后从理论计算和实际使用方面验证了设计的可用性。

In embedded applications, the serial LCD simple wiring, easy programming can meet the practical needs of the embedded device and have broad potential applications. This paper designs and implements a serial LCD Linux driver based on OMAPL138 platform, introduces OMAPL138 platforms and serial LCD configuration. The key technologies of serial LCD are analyzed, such as FrameBuffer, DMA and SPI. The basic structure and operation of the driving process are described, and the design availability is verified based on theoretical calculations and actual uses.