数据驱动、坚持为客户提供有价值的服务和内容
#include #define P0void delay(unsigned);main(){ while(1) { P0=0xFF; delay(); P0=P0<<1+0x01; delay(); } P0=~P0; P0=0xFE; delay(); P0=0xFF; delay(); P0=0x0F; delay(); LED=~LED; delay();}void delay (unsigne