volatile 指针指来指去干嘛呀－＞nios2 PIO中断ISR
转载：http://blog.chinaaet.com/detail/18478.htmlvolatileintkey_edge;void*key_edge_ptr=(void*)&key_edge;volatileint*key_edge_ptr=(volatileint*)key_isr_context;（1）volatileintkey_edge;a)定义整型参数key_edge。b)Volatile是type-modi
发表于 4/14/2012 3:33:16 PM
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