stm32之6.位带操作

#define PFout(n) (*(volatile uint32_t *)(0x42000000+(GPIOF_BASE+0x14-0x40000000)*32+(n)*4))

#define PEout(n) (*(volatile uint32_t *)(0x42000000+(GPIOE_BASE+0x14-0x40000000)*32+(n)*4))

int main(void)

{

Led_init();

while(1)

{

PFout(9)=0;

delay();

PFout(9)=1;

delay();

PFout(10)=0;

delay();

PFout(10)=1;

delay();

PEout(13)=0;

delay();

PEout(13)=1;

delay();

PEout(14)=0;

delay();

PEout(14)=1;

delay();

}

}