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#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
uint table[] = {0xfe, 0xfd, 0xfb, 0xf7, 0xef, 0xdf, 0xbf, 0x7f};
void delay(void) {
uint a = 50000;
while(a--);
}
void main() {
int i = 0;
while(1) {
for(i = 0; i < 8; i++) {
P0 = table[i];
delay();
}
for(i = 7; i >= 0; i--) {
P0 = table[i];
delay();
}
}
}其实学单片机也是看林峰的视频的:《林峰带你征服嵌入式》!直接上代码吧。
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原文地址:http://blog.csdn.net/zhang5476499/article/details/45559133