看了芯片手册,有点乱。搞不清gpio使用需要配置哪些寄存器。想在linxu 下写个dm3730 gpio驱动.恳请专家及先辈指点一下?感激不尽!!
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您好,我研究了一番您的代码。有个疑问,您是在操作系统下操作的吗?您这个例子直接操作寄存器物理地址,linux下可以这么做吗?不用做地址映射吗?请指导····拜谢