c8051f020点亮一个二极管程序

#include <c8051F020.h> typedef unsigned int uint; typedef unsigned char uchar; void delay_1ms(uint time){//延迟1ms uint i; uint j; for (i=0;i<time;i++){ for(j=0;j<500;j++); } } void config() { WDTCN = 0xde; WDTCN = 0xad; //禁止看门狗定时器 XBR2 = 0x40; /*使能交叉开关和弱上拉*/ P1=0X00; P1MDOUT = 0xFF; P1MDIN = 0xFF; } main() { config(); while(1) { P1 = 0X00; delay_1ms(200); delay_1ms(200); P1 = 0XFF; delay_1ms(200); delay_1ms(200); } }