This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

arm3517 gpmc nwe 问题项目比较急



我的开发环境是ubuntu,内核版本是2.6.37,开发板是第三方周立功的m3517,核心是ti的3517,目前我调用gpmc.c里的函数写的驱动,简单配置了寄存器,那么nwe信号在寄存器中要怎么配置,需要注意什么问题?我配置了weontime和weofftime以后,用示波器观察,发现不是方波,当我将weontime和weofftime都设置为0的时候,示波器测的nwe端信号为方波,这是怎么回事?请ti的工程师给些点拨