本帖最后由 inurl 于 2013-6-30 11:22 编辑
系统复位不是进入了 Thread mode ( privileged or unprivileged)吗?
NVIC不是需要privileged权限才能访问吗?
“The processor enters Thread mode on Reset, or as a result of an exception return.”
“ Handler mode is always privileged. Thread mode can be privileged or unprivileged.” |