【Arduino】四位数码管显示

• 程序名称：数码管静态显示
• 程序功能：四位数码管显示
• 程序版本：Ver 1.0
• 编写日期：2020/07/30
• 作者信息：天津科技大学创新实验室-JC

/****************************************************************** * 程序名称：数码管静态显示 * 程序功能：四位数码管显示 * 程序版本：Ver 1.0 * 编写日期：2020/07/30 * 作者信息：天津科技大学创新实验室-JC ******************************************************************/#define A1 39 #define B1 43 #define C1 35 #define D1 A15 #define E1 A13 #define F1 41 #define G1 37 #define DP1 33 #define wei11 3 #define wei12 0 #define wei13 1 #define wei14 2void setup() {// put your setup code here, to run once:// 第 1 个数码管引脚pinMode(A1,OUTPUT);pinMode(B1,OUTPUT);pinMode(C1,OUTPUT);pinMode(D1,OUTPUT);pinMode(E1,OUTPUT);pinMode(F1,OUTPUT);pinMode(G1,OUTPUT);pinMode(DP1,OUTPUT);pinMode(wei11,OUTPUT);pinMode(wei12,OUTPUT);pinMode(wei13,OUTPUT);pinMode(wei14,OUTPUT); }void loop() {// put your main code here, to run repeatedly:dispyTest(); }/****************************************************************** * 函数名称：dispy1() * 函数功能：指定第 1 个数码管的某一位显示某个数字 * 使用示例：dispy1(6,1,1,0,1) //使数码管第三位显示数字6 ******************************************************************/ void dispy1(char num, int wei4, int wei3, int wei2, int wei1) {digitalWrite(wei11, wei1);digitalWrite(wei12, wei2);digitalWrite(wei13, wei3);digitalWrite(wei14, wei4);switch (num) {case 1: digitalWrite(A1,1);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,1); digitalWrite(E1,1);digitalWrite(F1,1);digitalWrite(G1,1);digitalWrite(DP1,1);break;case 2: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,1);digitalWrite(D1,0); digitalWrite(E1,0);digitalWrite(F1,1);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 3: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,1);digitalWrite(F1,1);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 4: digitalWrite(A1,1);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,1); digitalWrite(E1,1);digitalWrite(F1,0);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 5: digitalWrite(A1,0);digitalWrite(B1,1);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,1);digitalWrite(F1,0);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 6: digitalWrite(A1,0);digitalWrite(B1,1);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,0);digitalWrite(F1,0);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 7: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,1); digitalWrite(E1,1);digitalWrite(F1,1);digitalWrite(G1,1);digitalWrite(DP1,1);break;case 8: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,0);digitalWrite(F1,0);digitalWrite(G1,0);digitalWrite(DP1,1);break;case 9: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,1);digitalWrite(F1,0);digitalWrite(G1,0);digitalWrite(DP1,1);break;default: digitalWrite(A1,0);digitalWrite(B1,0);digitalWrite(C1,0);digitalWrite(D1,0); digitalWrite(E1,0);digitalWrite(F1,0);digitalWrite(G1,1);digitalWrite(DP1,1);break;}delayMicroseconds(500); }/****************************************************************** * 函数名称：dispyClose() * 函数功能：关闭所有数码管的显示，此时位选无效 ******************************************************************/ void dispyClose() {digitalWrite(A1,1);digitalWrite(B1,1);digitalWrite(C1,1);digitalWrite(D1,1); digitalWrite(E1,1);digitalWrite(F1,1);digitalWrite(G1,1);digitalWrite(DP1,1);delayMicroseconds(500); }/****************************************************************** * 函数名称：dispyTest() * 函数功能：数码管测试函数 ******************************************************************/ void dispyTest() {dispy1(1,0,0,0,1);delay(500);dispyClose();dispy1(2,0,0,1,0);delay(500);dispyClose();dispy1(3,0,1,0,0);delay(500);dispyClose();dispy1(4,1,0,0,0);delay(500);dispyClose();dispy1(5,1,0,0,0);delay(500);dispyClose();dispy1(6,0,1,0,0);delay(500);dispyClose();dispy1(7,0,0,1,0);delay(500);dispyClose();dispy1(8,0,0,0,1);delay(500);dispyClose();dispy1(9,1,1,1,1);delay(500);dispyClose();dispy1(0,1,1,1,1);delay(500);dispyClose(); }

Ref

Arduino 让数码管显示数字

如何实现数码管动态显示带有小数点的数据

总结

以上是生活随笔为你收集整理的【Arduino】四位数码管显示的全部内容，希望文章能够帮你解决所遇到的问题。

如果觉得生活随笔网站内容还不错，欢迎将生活随笔推荐给好友。