亮度传感器识别光线摩尔斯代码
根据摩尔斯代码表由一个arduino编辑并发送光摩尔斯代码另一个arduino学习摩尔斯代码t值，接收并显示信息。
这是发送端代码
volatile int t_base = 200; //莫尔斯电码基准时长
String sent;
volatile int sent_l;
void setup() {
// put your setup code here, to run once:
pinMode(2, OUTPUT);
digitalWrite(2, LOW);
delay(5000);
digitalWrite(2, HIGH);
delay(t_base);
digitalWrite(2, LOW);
delay(1000);
}
void loop() {
sent = "welcome to dang jia zhuang school ";
sent_l = String(sent).length();
for (int ii = 0; ii < sent_l; ii++) {
fanyi(String(sent).charAt(ii));
}
}
void di() {
digitalWrite(2, HIGH);
delay(t_base);
digitalWrite(2, LOW);
delay(t_base);
}
void da() {
digitalWrite(2, HIGH);
delay(t_base * 3);
digitalWrite(2, LOW);
delay(t_base);
}
void fujian() {
digitalWrite(2, LOW);
delay(t_base * 3);
}
void zijian() {
digitalWrite(2, LOW);
delay(t_base * 6);
}
void fanyi(char fu) {
switch (fu) {
case 'a': a(); break;
case 'b': b(); break;
case 'c': c(); break;
case 'd': d(); break;
case 'e': e(); break;
case 'f': f(); break;
case 'g': g(); break;
case 'h': h(); break;
case 'i': i(); break;
case 'j': j(); break;
case 'k': k(); break;
case 'l': l(); break;
case 'm': m(); break;
case 'n': n(); break;
case 'o': o(); break;
case 'p': p(); break;
case 'q': q(); break;
case 'r': r(); break;
case 's': s(); break;
case 't': t(); break;
case 'u': u(); break;
case 'v': v(); break;
case 'w': w(); break;
case 'x': x(); break;
case 'y': y(); break;
case 'z': z(); break;
case '0': n0(); break;
case '1': n1(); break;
case '2': n2(); break;
case '3': n3(); break;
case '4': n4(); break;
case '5': n5(); break;
case '6': n6(); break;
case '7': n7(); break;
case '8': n8(); break;
case '9': n9(); break;
case ' ': zijian(); break;
}
}
void n0() {
da(); da(); da(); da(); da();
fujian();
}
void n1() {
di(); da(); da(); da(); da();
fujian();
}
void n2() {
di(); di(); da(); da(); da();
fujian();
}
void n3() {
di(); di(); di(); da(); da();
fujian();
}
void n4() {
di(); di(); di(); di(); da();
fujian();
}
void n5() {
di(); di(); di(); di(); di();
fujian();
}
void n6() {
da(); di(); di(); di(); di();
fujian();
}
void n7() {
da(); da(); di(); di(); di();
fujian();
}
void n8() {
da(); da(); da(); di(); di();
fujian();
}
void n9() {
da(); da(); da(); da(); di();
fujian();
}
void a() {
di(); da();
fujian();
}
void b() {
da(); di(); di(); di();
fujian();
}
void c() {
da(); di(); da(); di();
fujian();
}
void d() {
da(); di(); di();
fujian();
}
void e() {
di();
fujian();
}
void f() {
di(); di(); da(); di();
fujian();
}
void g() {
da(); da(); di();
fujian();
}
void h() {
di(); di(); di(); di();
fujian();
}
void i() {
di(); di();
fujian();
}
void j() {
di(); da(); da(); da();
fujian();
}
void k() {
da(); di(); da();
fujian();
}
void l() {
di(); da(); di(); di();
fujian();
}
void m() {
da(); da();
fujian();
}
void n() {
da(); di();
fujian();
}
void o() {
da(); da(); da();
fujian();
}
void p() {
di(); da(); da(); di();
fujian();
}
void q() {
da(); da(); di(); da();
fujian();
}
void r() {
di(); da(); di();
fujian();
}
void s() {
di(); di(); di();
fujian();
}
void t() {
da();
fujian();
}
void u() {
di(); di(); da();
fujian();
}
void v() {
di(); di(); di(); da();
fujian();
}
void w() {
di(); da(); da();
fujian();
}
void x() {
da(); di(); di(); da();
fujian();
}
void y() {
da(); di(); da(); da();
fujian();
}
void z() {
da(); da(); di(); di();
fujian();
}
这是接收端代码
#include <MsTimer2.h>
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C mylcd(0x20, 16, 2);
volatile int t = 0;//莫尔斯电码基准时长
volatile int gy = 0;//计时变量
volatile int tmp;//临时存储LED亮度
String mylist = "";//存储滴答
String wrd = ""; //存储单词
volatile boolean i, l; //防止串口监视器连续回车
volatile int temp;//存储每一次的值，1代表嘀3代表嗒
void setup() {
mylcd.init();
mylcd.backlight();
Serial.begin(9600);
/*计时开始，1毫秒调用一次*/
MsTimer2::set(1,jishi);
MsTimer2::start( );
tmp = analogRead(A0);
}
void loop() {
if (t > 0) {
/*如果亮度大于1000，开始计时 */
if (analogRead(A0) >= 1000) {
/*如果上一次测得亮度小于1000，计时器归零,
也就是看是不是由暗变亮*/
if (tmp < 1000) {
gy = 0;
}
} else {
/*如果亮度小于10，开始计时 */
//if (analogRead(A0) < 10){
/*如果上一次测得亮度大于10，计时器归零,
也就是看是不是由亮变暗*/
if (tmp >= 1000) {
mylcd.clear();
mylcd.setCursor(1 - 1, 1 - 1);
mylcd.print(gy);
mylcd.setCursor(1 - 1, 2 - 1);
temp = round(gy / t);
if (temp > 3)
temp = 3;
mylist = mylist + String(temp);
mylcd.print(temp);
Serial.print(temp);
gy = 0;//计算间隔有多长
i = true;//防止串口监视器连续回车
l = true;
}
if (gy > 4 * t && l) {
Serial.println();
l = false;
mylcd.setCursor(5 - 1, 1 - 1);
mylcd.print(wrd);
wrd = "";
} else if (gy > 2 * t && i) {
Serial.println();
i = false;
mylcd.setCursor(4 - 1, 2 - 1);
mylcd.print(mylist);
char jieguo = zidian(mylist);
mylist = "";
wrd = wrd + String(jieguo);
mylcd.setCursor(10 - 1, 2 - 1);
mylcd.print(jieguo);
}
}
tmp = analogRead(A0);
delay(5);
} else {
mylcd.setCursor(1 - 1, 1 - 1);
mylcd.print("Learning T");
mylcd.setCursor(1 - 1, 2 - 1);
mylcd.print("T=?");
t = check_t();
mylcd.setCursor(1 - 1, 2 - 1);
mylcd.print("T="+String(t));
}
}
//计时函数
void jishi( ) {
gy++;
}
//检测T值
int check_t() {
int ch = 0;
boolean tiaochu = true, tou = false;
while (tiaochu) {
if (!tou && analogRead(A0) < 10)
ch++;
if (!tou && analogRead(A0) >= 1000)
ch = 0;
if (ch >= 4990) {
if (analogRead(A0) >= 1000) {
if (tmp < 1000) {
gy = 0;
}
} else {
if (tmp >= 1000) {
tiaochu = false;
}
}
tou = true;
}
tmp = analogRead(A0);
delay(1);
}
return round(gy / 10) * 10;
}
//字典
char zidian(String jieshou) {
int x = jieshou.toInt();
char fanhui;
switch (x) {
case 33333: fanhui = '0'; break;
case 13333: fanhui = '1'; break;
case 11333: fanhui = '2'; break;
case 11133: fanhui = '3'; break;
case 11113: fanhui = '4'; break;
case 11111: fanhui = '5'; break;
case 31111: fanhui = '6'; break;
case 33111: fanhui = '7'; break;
case 33311: fanhui = '8'; break;
case 33331: fanhui = '9'; break;
case 13: fanhui = 'A'; break;
case 3111: fanhui = 'B'; break;
case 3131: fanhui = 'C'; break;
case 311: fanhui = 'D'; break;
case 1: fanhui = 'E'; break;
case 1131: fanhui = 'F'; break;
case 331: fanhui = 'G'; break;
case 1111: fanhui = 'H'; break;
case 11: fanhui = 'I'; break;
case 1333: fanhui = 'J'; break;
case 313: fanhui = 'K'; break;
case 1311: fanhui = 'L'; break;
case 33: fanhui = 'M'; break;
case 31: fanhui = 'N'; break;
case 333: fanhui = 'O'; break;
case 1331: fanhui = 'P'; break;
case 3313: fanhui = 'Q'; break;
case 131: fanhui = 'R'; break;
case 111: fanhui = 'S'; break;
case 3: fanhui = 'T'; break;
case 113: fanhui = 'U'; break;
case 1113: fanhui = 'V'; break;
case 133: fanhui = 'W'; break;
case 3113: fanhui = 'X'; break;
case 3133: fanhui = 'Y'; break;
case 3311: fanhui = 'Z'; break;
default: fanhui = '?'; break;
}
return fanhui;
}
前排围观，这个思路不错，相当于光藕隔离的用法了{:5_175:} 您这也是新人(入门）？ 纯支持 多谢分享，学习了。
页:
[1]