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int main()
{
GPIOB_ModeCfg( GPIO_Pin_0, GPIO_ModeOut_PP_20mA );//PB0ÍÆÍìÊä³ö
while(1)
{
GPIOB_SetBits(GPIO_Pin_0);//GPIO0Êä³ö¸ßµçƽ
mDelaymS(500);
GPIOB_ResetBits(GPIO_Pin_0);//GPIO0Êä³öµÍµçƽ
mDelaymS(500);
}
}