贝勒爷 发表于 2015-3-9 13:58:50

干货【广州创元素创客空间】Lightbox II 三轴加速度传感器与RGBLED

Lightbox II 三轴加速度传感器与RGBLED
来自t-table林宏的分享！
用三轴加速度计，rgb，简易电路，arduino编写的浪漫小灯！
详细内容请戳http://www.i-element.org/%E3%80%90%E6%95%99%E7%A8%8B%E3%80%91%E3%80%90lightbox-ii%E3%80%91%E4%B8%89%E8%BD%B4%E5%8A%A0%E9%80%9F%E5%BA%A6%E4%BC%A0%E6%84%9F%E5%99%A8%E4%B8%8Ergbled/
优酷地址：http://v.youku.com/v_show/id_XNzk3NDM3MzQw.html
代码如下：
#include <MsTimer2.h>               //调用定时器库
#include <Wire.h>                  
#define Register_ID 0
#define Register_2D 0x2D
#define Register_X0 0x32
#define Register_X1 0x33
#define Register_Y0 0x34
#define Register_Y1 0x35
#define Register_Z0 0x36
#define Register_Z1 0x37

int ADXAddress = 0xA7 >> 1;         
//存储加速度信息的变量
int X0, X1, Xg;   
int Y0, Y1, Yg;
int Z1, Z0, Zg;
//三种颜色对应的引脚
int ledx = 9;
int ledy = 5;
int ledz = 6;
//声明7个计数器
int counterX, counterY, counterZ, counterT, counterx, countery, counterz;
//3个记录状态的变量
int stateX, stateY, stateZ;
//自变色状态下三种颜色的初始强度（相当于3个呼吸灯）
int valx = 60;
int valy = 130;
int valz = 195;
//自变色状态下三种颜色的变化速度
int fadeAmount1 = 3;
int fadeAmount2 = 6;
int fadeAmount3 = 9;

void setup() {
//Serial.begin(9600);   //可以启动串口程序方便调试
// 各项初始化
Wire.begin();
delay(10);
Wire.beginTransmission(ADXAddress);
Wire.write(Register_2D);
Wire.write(8);
Wire.endTransmission();
pinMode(ledx, OUTPUT);
pinMode(ledy, OUTPUT);
pinMode(ledz, OUTPUT);

counterY = 0;
counterX = 0;
counterT = 0;
//X,Y,Z轴触发的状态均为关闭状态
stateX = 0;
stateY = 0;
stateZ = 0;
}

void loop() {
//全部熄灭
digitalWrite(ledx, 0);
digitalWrite(ledy, 0);
digitalWrite(ledz, 0);

//开始读取X,Y,Z轴加速度
Wire.beginTransmission(ADXAddress);
Wire.write(Register_X0);
Wire.write(Register_X1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    X0 = Wire.read();
    X1 = Wire.read();
    X1 = X1 << 8;
    Xg = X0 + X1;
}

Wire.beginTransmission(ADXAddress);
Wire.write(Register_Y0);
Wire.write(Register_Y1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    Y0 = Wire.read();
    Y1 = Wire.read();
    Y1 = Y1 << 8;
    Yg = Y0 + Y1;
}

Wire.beginTransmission(ADXAddress);
Wire.write(Register_Z0);
Wire.write(Register_Z1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    Z0 = Wire.read();
    Z1 = Wire.read();
    Z1 = Z1 << 8;
    Zg = Z0 + Z1;
}   
//判断X轴上的加速度是否到达阈值，到达则计数器X自加
if (Xg >= 500 || Xg <= -500) {                                                      
    counterX++;
    //如果计数器X开始计数，那么计时器开始计时，0.5秒后进入清零函数
    if (counterX == 1) {
       MsTimer2::set(500, Clear);
       MsTimer2::start();   
   }
}
//如果在进入清零函数之前计数达到16以上，就打开X轴触发的状态（进入自变色状态）
if (counterX >= 16) {       //16可改为其他数字，数字越小灵敏度越高
    stateX = !stateX;
    while (stateX == 1) {
      fading();
    }
}

if (Yg >= 500 || Yg <= -500) {                              
   //checking Y   
   counterY++;
   if (counterY == 1) {
      MsTimer2::set(500, Clear);
      MsTimer2::start();
    }
}

if (counterY >= 16) {
    stateY = !stateY;
    while (stateY == 1) {
      following();
    }
}

if (Zg >= 500 || Zg <= -500) {                              
      //checking Z   
      counterZ++;
      if (counterZ == 1) {
         MsTimer2::set(500, Clear);
         MsTimer2::start();
    }
}

if (counterZ >= 14) {
    stateZ = !stateZ;
    while (stateZ == 1) {
      white();
    }
}
delay(6);

//Serial.print("X=");
//Serial.print(Xg);
//Serial.print("Y=");
//Serial.print(Yg);
//Serial.print("Z=");
//Serial.print(Zg);
//Serial.print("CX=");
//Serial.print(counterX);
//Serial.print("CY=");
//Serial.print(counterY);
//Serial.print("CZ=");
//Serial.println(counterZ);
}

void Clear() {                                                                  
//所有的计数器清零
counterX = 0;
counterx = 0;
counterY = 0;
countery = 0;
counterZ = 0;
counterz = 0;
}

void white() {                                                                  
//白光程序
digitalWrite(ledx, 1);
digitalWrite(ledy, 1);
digitalWrite(ledz, 1);

//读取Z轴上的加速度
Wire.beginTransmission(ADXAddress);
Wire.write(Register_Z0);
Wire.write(Register_Z1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    Z0 = Wire.read();
    Z1 = Wire.read();
    Z1 = Z1 << 8;
    Zg = Z0 + Z1;
}
if (Zg >= 500 || Zg <= -500) {
   counterz++;
   if (counterz == 1) {
       MsTimer2::set(500, Clear);
       MsTimer2::start();
   }
   }
//如果计数器Z计数达到140以上，就关闭Z轴触发的状态，回到主程序
if (counterz >= 140) {
    stateZ = !stateZ;
    return;
}

//Serial.print("Z=");
//Serial.print(Zg);
//Serial.print("CZ=");
//Serial.println(counterz);

}

void following() {                                                               
//跟随姿态变色的程序

int xfollow, yfollow, zfollow;

Wire.beginTransmission(ADXAddress);
Wire.write(Register_X0);
Wire.write(Register_X1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    X0 = Wire.read();
    X1 = Wire.read();
    X1 = X1 << 8;
    Xg = X0 + X1;
}

Wire.beginTransmission(ADXAddress);
Wire.write(Register_Y0);
Wire.write(Register_Y1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    Y0 = Wire.read();
    Y1 = Wire.read();
    Y1 = Y1 << 8;
    Yg = Y0 + Y1;
}

Wire.beginTransmission(ADXAddress);
Wire.write(Register_Z0);
Wire.write(Register_Z1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    Z0 = Wire.read();
    Z1 = Wire.read();
    Z1 = Z1 << 8;
    Zg = Z0 + Z1;
   }
   //限定X,Z轴的数值，避免出现颜色的跳变，Y轴由于要留作退出程序的判断所以不限定
   Xg = constrain(Xg, -272, 272);
   //Yg = constrain(Yg, -272, 272);
   Zg = constrain(Zg, -272, 272);
   xfollow = map(Xg, -272, 272, 5, 250);
   analogWrite(ledx, xfollow);
   yfollow = map(Yg, -290, 290, 5, 250);
   analogWrite(ledy, yfollow);
   zfollow = map(Zg, -272, 272, 5, 250);
   analogWrite(ledz, zfollow);
   
   //防止溢出产生的颜色跳变
   xfollow = constrain(xfollow, 1, 255);
   yfollow = constrain(yfollow, 1, 255);
   zfollow = constrain(zfollow, 1, 255);

   if (Yg >= 500 || Yg <= -500) {
   countery++;
   if (countery == 1) {
       MsTimer2::set(500, Clear);
       MsTimer2::start();
   }
   }

   if (countery >= 40 ) {
    stateY = !stateY;
    return;
   }
//Serial.print("Y=");
//Serial.print(Yg);
//Serial.print("CY=");
//Serial.println(countery);

}

void fading() {                                                               
//自变色函数

analogWrite(ledx, valx);
analogWrite(ledy, valy);
analogWrite(ledz, valz);


valx = valx + fadeAmount1;
valy = valy + fadeAmount2;
valz = valz + fadeAmount3;


if (valx <= 4 || valx >= 252) {
    fadeAmount1 = -fadeAmount1 ;
}
if (valy <= 7 || valy >= 249) {
    fadeAmount2 = -fadeAmount2 ;
}
if (valz <= 10 || valz >= 246) {
    fadeAmount3 = -fadeAmount3 ;
}

delay(90);

Wire.beginTransmission(ADXAddress);
Wire.write(Register_X0);
Wire.write(Register_X1);
Wire.endTransmission();
Wire.requestFrom(ADXAddress, 2);
if (Wire.available() <= 2);
{
    X0 = Wire.read();
    X1 = Wire.read();
    X1 = X1 << 8;
    Xg = X0 + X1;
}
    if (Xg >= 500 || Xg <= -500) {
      counterx++;
      if (counterx == 1) {
         MsTimer2::set(500, Clear);
         MsTimer2::start();
      }
   }
   if (counterx >= 2) {
    stateX = !stateX;
    return;
}

//Serial.print("X=");
//Serial.print(Xg);
//Serial.print("CX=");
//Serial.println(counterx);

}

darkorigin 发表于 2015-3-10 08:40:52

天哪 真不错
就是胶水太多了 哇咔咔

迷你强 发表于 2015-3-10 12:03:38

传说中的热熔胶灌胶？

suoma 发表于 2015-3-10 18:36:42

   很像水晶球啊？

wukongxuetang 发表于 2015-7-24 11:19:13

很不错的东西，如果用贴片，会使体积变好多
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