[问答]

照着网上程序做了一个抢答器但是动态显示怎么调整都调整不对

问答对人有帮助，内容完整，我也想知道答案 0 第四位是数字的十位应该在第一位第一位是数字的个位应该在第二位第二位是显示组别应该在第四位程序内部调换怎么调换位都是乱的除非我把底下接线改了这是动态显示的程序 void display(uchar number,uchar second) //动态显示 { uchar second_first,second_second; second_first = second / 10; second_second = second % 10; P2 = 0xfe; P0 = table[number]; delay(2); P2 = 0xfd; P0 = 0xbf; delay(2); P2 = 0xfb; P0 = table[second_first]; delay(2); P2 = 0xf7; P0 = table[second_second]; delay(2); } 全部程序在下边 #include /----------------------------------------------------------- 宏定义 ------------------------------------------------------------/ #define uint unsigned int #define uchar unsigned char /----------------------------------------------------------- 共阴极数码管编码表 0 - f显示 ------------------------------------------------------------/ unsigned char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; /----------------------------------------------------------- 变量定义 ------------------------------------------------------------/ *it buzz=P3^5; it start_stop = P3^6; it reset = P3^7; it key1 = P1^0; it key2 = P1^1; it key3 = P1^2; it key4 = P1^3; it key5 = P1^4; it key6 = P1^5; it key7 = P1^6; it key8 = P1^7; it state = P3^4; *it kaishi=P3^1; bit start_stop_flag = 0; bit key1_flag = 0; bit key2_flag = 0; bit key3_flag = 0; bit key4_flag = 0; bit key5_flag = 0; bit key6_flag = 0; bit key7_flag = 0; bit key8_flag = 0; bit reset_flag = 0; bit action = 0; bit kaishi_flag=0; uchar second = 20; uchar timer0_count = 0; uchar number = 0; uchar number_display = 0; /----------------------------------------------------------- 延时函数 ------------------------------------------------------------/ void delay(uint z) { uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } /----------------------------------------------------------- 数码管显示驱动函数 ------------------------------------------------------------/ void display(uchar number,uchar second) //动态显示 { uchar second_first,second_second; second_first = second / 10; second_second = second % 10; P2 = 0xfe; P0 = table[number]; delay(2); P2 = 0xfd; P0 = 0xbf; delay(2); P2 = 0xfb; P0 = table[second_first]; delay(2); P2 = 0xf7; P0 = table[second_second]; delay(2); } /----------------------------------------------------------- 开始键扫描函数 ------------------------------------------------------------/ void start_stop_keyscan() { if(start_stop == 0) { delay(8); if((start_stop == 0)&&(!start_stop_flag)) { start_stop_flag = 1; action = 1; TR0 = 1; state = 0; } } else { start_stop_flag = 0; } } /----------------------------------------------------------- 八位抢答键扫描函数 ------------------------------------------------------------/ uchar key_scan8() { if(key1 == 0) { delay(8); if((key1 == 0)&&(!key1_flag)) { key1_flag = 1; number = 1; number_display = number; } } else { key1_flag = 0; number = 0; } if(key2 == 0) { delay(8); if((key2 == 0)&&(!key2_flag)) { key2_flag = 1; number = 2; number_display = number; } } else { key2_flag = 0; number = 0; } if(key3 == 0) { delay(8); if((key3 == 0)&&(!key3_flag)) { key3_flag = 1; number = 3; number_display = number; } } else { key3_flag = 0; number = 0; } if(key4 == 0) { delay(8); if((key4 == 0)&&(!key4_flag)) { key4_flag = 1; number = 4; number_display = number; } } else { key4_flag = 0; number = 0; } if(key5 == 0) { delay(8); if((key5 == 0)&&(!key5_flag)) { key5_flag = 1; number = 5; number_display = number; } } else { key5_flag = 0; number = 0; } if(key6 == 0) { delay(8); if((key6 == 0)&&(!key6_flag)) { key6_flag = 1; number = 6; number_display = number; } } else { key6_flag = 0; number = 0; } if(key7 == 0) { delay(8); if((key7 == 0)&&(!key7_flag)) { key7_flag = 1; number = 7; number_display = number; } } else { key7_flag = 0; number = 0; } if(key8 == 0) { delay(8); if((key8 == 0)&&(!key8_flag)) { key8_flag = 1; number = 8; number_display = number; } } else { key8_flag = 0; number = 0; } if(number_display != 0) { return 1; } else { return 00; } } /----------------------------------------------------------- 复位键扫描函数 ------------------------------------------------------------/ void reset_keyscan() { if(reset == 0) { delay(8); if((reset == 0)&&(!reset_flag)) { second=20; reset_flag = 1; number_display = 0; state = 1; } } else { reset_flag = 0; } } / 开机函数/ void kaishi_keyscan() { if(kaishi == 0) { delay(8); if((kaishi == 0)&&(!kaishi_flag)) { kaishi_flag = 1; number_display = 0; second=0; state = 1; } } else { kaishi_flag = 0; } } /----------------------------------------------------------- 主函数 ------------------------------------------------------------/ void main() { TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; EA=1; ET0=1; TR0=0; while(1) { while((kaishi == 0)&&(!kaishi_flag)) { start_stop_keyscan(); reset_keyscan(); while(action) { while(!key_scan8()) { display(number_display,second); if(second == 0) { second = 20; break; } } buzz=1; delay(50); TR0 = 0; second = 0; display(number_display,second); action = 0; break; } display(number_display,second); } } } /----------------------------------------------------------- 中断服务函数 ------------------------------------------------------------*/ void timer0() interrupt 1 { TH0=(65536-50000)/256; TL0=(65536-50000)%256; timer0_count ++; if(timer0_count == 20) { timer0_count = 0; second --; if(second == 0) { TR0 = 0; number_display = 0; state = 1; action = 0; } } } 1 已退回5积分
2016-3-20 22:43:37　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × 谢新貌该类别下有 43 个回答。邀请回答新星之火12138 该类别下有 39 个回答。邀请回答 911119qianhao 该类别下有 35 个回答。邀请回答 hgimtk 该类别下有 32 个回答。邀请回答 wang21cj 该类别下有 31 个回答。邀请回答独孤辉二该类别下有 27 个回答。邀请回答 wuli北该类别下有 25 个回答，其中被选为最佳答案 1 次。邀请回答牛牛爱吃草该类别下有 24 个回答。邀请回答修罗君该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 horayte 该类别下有 24 个回答，其中被选为最佳答案 1 次。邀请回答 butterflydw 该类别下有 24 个回答。邀请回答 hy381 该类别下有 24 个回答。邀请回答周鹏生该类别下有 24 个回答。邀请回答名士流该类别下有 23 个回答。邀请回答大洼球王该类别下有 23 个回答。邀请回答蔡甸一角该类别下有 23 个回答。邀请回答 32949523596693 该类别下有 23 个回答。邀请回答 hisysteeoke 该类别下有 23 个回答。邀请回答 kmno4 该类别下有 22 个回答。邀请回答洒下墨色该类别下有 22 个回答。邀请回答举报 Cho 相关推荐 • 采用AT89C51设计的多功能抢答器 1397 • 下午刚做的智力抢答器电路，但是仿真时数码管没有显示 6038 • 求：抢答器控制模拟程序设计 2178 • 求助，关于四路抢答器的设计 5558 • 基于单片机的抢答器设计 2203 • 八路抢答器 3639 • 4路抢答器设计 4398 • 怎样去设计一个基于STM32的四人抢答器 3074 • 求一个8路智力竞赛抢答器 3308 • 八路抢答器实训 1880 3个回答

答案对人有帮助，有参考价值 0 支持一下，感谢分享~~~

2016-3-21 10:32:35 评论举报 niao25754

答案对人有帮助，有参考价值 0 niao25754 发表于 2016-3-21 10:32 支持一下，感谢分享~~~ 这个是错的。。。动态那个位置怎么都调不对感觉程序没问题就是调不对

2016-3-21 12:31:22 评论举报 Cho