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·¢±íÓÚ 2013-12-20 00:24:58 | ÏÔʾȫ²¿Â¥²ã |ÔĶÁģʽ
int main(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|
RCC_APB2Periph_GPIOE, ENABLE);      //?? PB,PE ????
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;          //LED0-->B.5  ????
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;      //????
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;    //IO ???? 50MHz
GPIO_Init(GPIOB, &GPIO_InitStructure);          //??? GPIOB.5
GPIO_SetBits(GPIOB,GPIO_Pin_5);          //PB.5  ???

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;      //LED1-->E.5 ????
GPIO_Init(GPIOE, &GPIO_InitStructure);            //??? GPIO 
GPIO_SetBits(GPIOE,GPIO_Pin_5);          //PE.5  ??????   
while(1)
{
GPIO_ResetBits(GPIOB,GPIO_Pin_5);
GPIO_SetBits(GPIOE,GPIO_Pin_5);
Delay(3000000);
GPIO_SetBits(GPIOB,GPIO_Pin_5);
GPIO_ResetBits(GPIOE,GPIO_Pin_5);
Delay(3000000);
}
}
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