1、下面是 74ls164 驱动 共阳数码管的演示程序,电路请看附件i nclude#define uint unsigned int#define uchar unsigned charsbit DAT=P11; /模拟串口数据发送端sbit CLK=P12;/模拟时钟控制端uchar code tab=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff;/0-9,-,全灭 (共阳字段表)void sendbyte(uchar byte) uchar num,c; num=tabbyte;for(c=0;c0;t-) for(j
2、=6245;j0;j-) ;main() unsigned char h;while(1)for(h=0;h#define uint unsigned int#define uchar unsigned charsbit DAT=P11;sbit CLK=P12;uchar code tab=0xfc,0x60,0xda,0xf2,0x66,0xb6,0xbe,0xe0,0xff,0xf6;/0-9,-,全灭void sendbyte(uchar byte) uchar num,c; num=tabbyte;for(c=0;c=1;void delay_50ms(unsigned int t)unsigned int j; for(;t0;t-) for(j=6245;j0;j-) ;main() unsigned char h;while(1)for(h=0;h10;h+)delay_50ms(1);sendbyte(h);delay_50ms(10);h=0;0 人 | 分享到： 阅读(305)| 评论(0)| 引用(0) |举报
