摘要
介绍一种在ARM嵌入式系统上扩展键盘的设计方法,以运行Linux操作系统的S3C44B0嵌入式系统为例,对扩展键盘接口电路设计和键盘驱动程序开发都作了说明。在接口电路的硬件设计中,充分利用了GPIO端口配置灵活的优势。
The paper introduces a design means of extended keyboard based on ARM embedded system.Based on S3C44B0 with Linux operating system,the author explains the hardware of interface circuit and the device drivers for the extended keyboard.In the design of the hardware of interface circuit,making full use of flexibility advantage of the GPIO.
出处
《自动化应用》
2011年第7期1-2,76,共3页
Automation Application
