杭州网站设计公司价格,友山建站优化,出入成都通知今天,广州今天刚刚发生的重大新闻数码管中有8位数字#xff0c;从右往左分别为LED1、LED2、...、LED8#xff0c;如下图所示 如何实现点亮单个数字#xff0c;用下图中的ABC来实现 P2.2管脚控制A#xff0c;P2.3管脚控制B#xff0c;P2.4管脚控制C //定义数码管位选管脚 sbit LSAP2^2; sbit LSBP2^3; s…数码管中有8位数字从右往左分别为LED1、LED2、...、LED8如下图所示 如何实现点亮单个数字用下图中的ABC来实现 P2.2管脚控制AP2.3管脚控制BP2.4管脚控制C //定义数码管位选管脚 sbit LSAP2^2; sbit LSBP2^3; sbit LSCP2^4; for(i0;i8;i){ //位选 switch(i){ case 0: LSC1,LSB1,LSA1; //7LED8 break; case 1: LSC1,LSB1,LSA0; //6LED7 break; case 2: LSC1,LSB0,LSA1; //5LED6 break; case 3: LSC1,LSB0,LSA0; //4LED5 break; case 4: LSC0,LSB1,LSA1; //3LED4 break; case 5: LSC0,LSB1,LSA0; //2LED3 break; case 6: LSC0,LSB0,LSA1; //1LED2 break; case 7: LSC0,LSB0,LSA0; //0LED1 break; } } 每一位有8段如下图所示 eg显示00 0 1 1 1 1 1 1
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DP(小数点) G F E D C B A //段码数据 u8 gsmg_code[]{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //0 1 2 3 4 5 6 7 8 9 A B C D E F P0端控制数码管
1、静态数码管实验 #include reg51.h typedef unsigned int u16; typedef unsigned char u8; //数码管显示数字的数组共阴数码管 u8 gsmg_code[]{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //0-F #define SMG_A_DP_PORT P0 //控制静态数码管显示数字0即让P0端口输出数字0的段码0x3f共阴 void main(){ while(1){ //显示数字0 SMG_A_DP_PORTgsmg_code[0]; } } 2、动态数码管实验 #include reg51.h typedef unsigned int u16; typedef unsigned char u8; //段码数据 u8 gsmg_code[]{0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; #define SMG_A_DP_PORT P0 //定义数码管位选管脚 sbit LSAP2^2; sbit LSBP2^3; sbit LSCP2^4; void delay(u16 time){ while(time--); } //动态数码管 void smg_display(){ u16 i0; for(i0;i8;i){ //位选 switch(i){ case 0: LSC1,LSB1,LSA1; //7 break; case 1: LSC1,LSB1,LSA0; //6 break; case 2: LSC1,LSB0,LSA1; //5 break; case 3: LSC1,LSB0,LSA0; //4 break; case 4: LSC0,LSB1,LSA1; //3 break; case 5: LSC0,LSB1,LSA0; //2 break; case 6: LSC0,LSB0,LSA1; //1 break; case 7: LSC0,LSB0,LSA0; //0 break; } SMG_A_DP_PORTgsmg_code[i]; delay(5000); SMG_A_DP_PORT0x00; //消隐 } } void main(){ while(1){ smg_display(); } }
