rt_thread_switch_interrput_flag -> rt_thread_switch_interrupt_flag git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1704 bbd45198-f89e-11dd-88c7-29a3b14d5316
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1672 bbd45198-f89e-11dd-88c7-29a3b14d5316
based on LS1G DEMO BOARD V1.1 git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1667 bbd45198-f89e-11dd-88c7-29a3b14d5316