“彩灯的多种玩法”的版本间的差异

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第3行： 第3行：
 
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<br>
 
<br>
−
<big>此示例给出了控制彩灯的几种显示效果。</big>
+
<big>此示例给出了控制彩灯的几种显示效果。
 +
 
 +
'''呼吸、流水、闪烁、彩虹、炫彩'''</big>
 
<br>
 
<br>
 
<br>
 
<br>
第22行： 第24行：
 
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<p style="color: #E87E05;font-size:135%">代码</p>
 
<p style="color: #E87E05;font-size:135%">代码</p>
 +
*<big>'''呼吸灯'''</big>
 +
<source lang="cpp">
 +
#include <Microduino_ColorLED.h> //引用彩灯库
 +
 +
#define PIN            6        //彩灯引脚
 +
#define NUMPIXELS      16        //级联彩灯数量
 +
 +
#define val_max 255
 +
#define val_min 0
 +
 +
ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号
 +
 +
void setup() {
 +
  strip.begin();                //彩灯初始化
 +
  strip.show();
 +
}
 +
 +
void loop() {
 +
  rainbowCycle( 255, 0, 0, 5);//红色呼吸
 +
  rainbowCycle( 0, 255, 0, 5);//绿色呼吸
 +
  rainbowCycle( 0, 0, 255, 5);//蓝色呼吸
 +
}
 +
 +
void colorSet(uint32_t c) {
 +
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
 +
    strip.setPixelColor(i, c);
 +
  }
 +
  strip.show();
 +
}
 +
 +
void rainbowCycle( int r, int g, int b, uint8_t wait) {
 +
  for (int val = 0; val < 255; val++)
 +
  {
 +
    colorSet(strip.Color(map(val, val_min, val_max, 0, r), map(val, val_min, val_max, 0, g), map(val, val_min, val_max, 0, b)));
 +
    delay(wait);
 +
  }
 +
  for (int val = 255; val >= 0; val--)
 +
  {
 +
    colorSet(strip.Color(map(val, val_min, val_max, 0, r), map(val, val_min, val_max, 0, g), map(val, val_min, val_max, 0, b)));
 +
    delay(wait);
 +
  }
 +
}
 +
</source>
 +
 +
<br>
 +
<br>
 +
 +
*<big>'''流水灯'''</big>
 
<source lang="cpp">
 
<source lang="cpp">
 +
 
#include <Microduino_ColorLED.h> //引用彩灯库
 
#include <Microduino_ColorLED.h> //引用彩灯库
  
−
#define LED_NUM 7                //定义彩灯数量
+
#define PIN            6        //彩灯引脚
−
#define PIN_LED 6                //定义彩灯端口号
+
#define NUMPIXELS      7        //级联彩灯数量
−
ColorLED strip = ColorLED(LED_NUM, PIN_LED); //定义彩灯数量、彩灯引脚号，色彩编码格式缺省配置（默认为：NEO_GRB + NEO_KHZ800）
+
 
 +
#define val_max 255
 +
#define val_min 0
 +
 
 +
ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号
  
 
void setup() {
 
void setup() {
−
   strip.begin();           //彩灯初始化
+
   strip.begin();                 //彩灯初始化
−
  strip.setBrightness(255); //设置彩灯亮度
+
   strip.show();
−
   strip.show();             //将彩灯点亮成设置的颜色
 
 
}
 
}
  
 +
/*流水灯效果*/
 
void loop() {
 
void loop() {
−
//待添加
+
  theaterChase(COLOR_RED,    2, 450); //红色流水灯效果，循环2次，两灯之间延时450ms
 +
  theaterChase(COLOR_BLUE,  4, 400); //蓝色流水灯效果，循环4次，两灯之间延时400ms
 +
}
 +
 
 +
//Theatre-style crawling lights.
 +
void theaterChase(uint32_t c, uint8_t n, uint8_t wait) {
 +
  for (int j = 0; j < n; j++) { //do 10 cycles of chasing
 +
    for (uint16_t i = 0; i < strip.numPixels(); i++) {
 +
      strip.setPixelColor(i, c);  //turn every third pixel on
 +
      strip.show();
 +
      delay(wait);
 +
      strip.setPixelColor(i, 0); //turn every third pixel on
 +
      strip.show();
 +
    }
 +
  }
 
}
 
}
 +
 
</source>
 
</source>
 +
 +
<br>
 +
<br>
 +
 +
*<big>'''闪烁灯'''</big>
 +
<source lang="cpp">
 +
 +
#include <Microduino_ColorLED.h> //引用彩灯库
 +
 +
#define PIN            6        //彩灯引脚
 +
#define NUMPIXELS      7        //级联彩灯数量
 +
 +
#define val_max 255
 +
#define val_min 0
 +
 +
ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号
 +
 +
void setup() {
 +
  strip.begin();                //彩灯初始化
 +
  strip.show();
 +
}
 +
 +
void loop() {
 +
  ledBlinkALL(COLOR_BLUE, 1000);
 +
}
 +
 +
//第n号灯，颜色c,闪烁时间wait
 +
void ledBlink(uint32_t c, uint8_t n, uint8_t wait) {
 +
  strip.setPixelColor(n, c);  //turn every third pixel on
 +
  strip.show();
 +
  delay(wait);
 +
  strip.setPixelColor(n, 0); //turn every third pixel on
 +
  strip.show();
 +
  delay(wait);
 +
}
 +
 +
//全部灯，颜色c,闪烁时间wait
 +
void ledBlinkALL(uint32_t c, uint8_t wait) {
 +
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
 +
    strip.setPixelColor(i, c); 
 +
    strip.show();
 +
  }
 +
  delay(wait);
 +
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
 +
    strip.setPixelColor(i, 0);
 +
    strip.show();
 +
  }
 +
  delay(wait);
 +
}
 +
 +
</source>
 +
 +
<br>
 +
<br>
 +
 +
*<big>'''彩虹灯'''</big>
 +
<source lang="cpp">
 +
 +
#include <Microduino_ColorLED.h> //引用彩灯库
 +
 +
#define PIN            6        //彩灯引脚
 +
#define NUMPIXELS      7        //级联彩灯数量
 +
 +
#define val_max 255
 +
#define val_min 0
 +
 +
ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号
 +
 +
void setup() {
 +
  strip.begin();                //彩灯初始化
 +
  strip.show();
 +
}
 +
 +
/*彩虹灯效*/
 +
void loop() {
 +
  rainbow(20);
 +
}
 +
 +
void rainbow(uint8_t wait) {
 +
  uint16_t i, j;
 +
  for(j=0; j<256; j++) {
 +
    for(i=0; i<strip.numPixels(); i++) {
 +
      strip.setPixelColor(i, Wheel((i+j) & 255));
 +
    }
 +
    strip.show();
 +
    delay(wait);
 +
  }
 +
}
 +
 +
// Input a value 0 to 255 to get a color value.
 +
// The colours are a transition r - g - b - back to r.
 +
uint32_t Wheel(byte WheelPos) {
 +
  WheelPos = 255 - WheelPos;
 +
  if(WheelPos < 85) {
 +
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
 +
  }
 +
  if(WheelPos < 170) {
 +
    WheelPos -= 85;
 +
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
 +
  }
 +
  WheelPos -= 170;
 +
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
 +
}
 +
 +
</source>
 +
 +
<br>
 +
<br>
 +
 +
*<big>'''炫彩灯'''</big>
 +
<source lang="cpp">
 +
 +
#include <Microduino_ColorLED.h> //引用彩灯库
 +
 +
#define PIN            6        //彩灯引脚
 +
#define NUMPIXELS      7        //级联彩灯数量
 +
 +
#define val_max 255
 +
#define val_min 0
 +
 +
ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号
 +
 +
void setup() {
 +
  strip.begin();                //彩灯初始化
 +
  strip.show();
 +
}
 +
 +
/*炫彩灯效*/
 +
void loop() {
 +
  rainbowCycle(20);
 +
}
 +
 +
// Slightly different, this makes the rainbow equally distributed throughout
 +
void rainbowCycle(uint8_t wait) {
 +
  uint16_t i, j;
 +
 +
  for (j = 0; j < 256 * 5; j++) { // 5 cycles of all colors on wheel
 +
    for (i = 0; i < strip.numPixels(); i++) {
 +
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
 +
    }
 +
    strip.show();
 +
    delay(wait);
 +
  }
 +
}
 +
 +
// Input a value 0 to 255 to get a color value.
 +
// The colours are a transition r - g - b - back to r.
 +
uint32_t Wheel(byte WheelPos) {
 +
  WheelPos = 255 - WheelPos;
 +
  if (WheelPos < 85) {
 +
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
 +
  }
 +
  if (WheelPos < 170) {
 +
    WheelPos -= 85;
 +
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
 +
  }
 +
  WheelPos -= 170;
 +
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
 +
}
 +
 +
</source>
 +
 
<br>
 
<br>
 
<p style="color: #E87E05;font-size:135%">相关案例</p>
 
<p style="color: #E87E05;font-size:135%">相关案例</p>

2017年7月14日 (五) 07:10的最新版本


此示例给出了控制彩灯的几种显示效果。

呼吸、流水、闪烁、彩虹、炫彩

硬件清单

600px



电路搭建

将彩灯的IN接到Hub的6/7引脚，实际使用的是6号引脚。
将Battery、Core、Hub堆叠在一起，通过MicroUSB数据线接入电脑。

600px



代码

  • 呼吸灯
#include <Microduino_ColorLED.h> //引用彩灯库

#define PIN            6         //彩灯引脚
#define NUMPIXELS      16        //级联彩灯数量

#define val_max 255
#define val_min 0

ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号

void setup() {
  strip.begin();                 //彩灯初始化
  strip.show();
}

void loop() {
  rainbowCycle( 255, 0, 0, 5);//红色呼吸
  rainbowCycle( 0, 255, 0, 5);//绿色呼吸
  rainbowCycle( 0, 0, 255, 5);//蓝色呼吸
}

void colorSet(uint32_t c) {
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, c);
  }
  strip.show();
}

void rainbowCycle( int r, int g, int b, uint8_t wait) {
  for (int val = 0; val < 255; val++)
  {
    colorSet(strip.Color(map(val, val_min, val_max, 0, r), map(val, val_min, val_max, 0, g), map(val, val_min, val_max, 0, b)));
    delay(wait);
  }
  for (int val = 255; val >= 0; val--)
  {
    colorSet(strip.Color(map(val, val_min, val_max, 0, r), map(val, val_min, val_max, 0, g), map(val, val_min, val_max, 0, b)));
    delay(wait);
  }
}



  • 流水灯
#include <Microduino_ColorLED.h> //引用彩灯库

#define PIN            6         //彩灯引脚
#define NUMPIXELS      7        //级联彩灯数量

#define val_max 255
#define val_min 0

ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号

void setup() {
  strip.begin();                 //彩灯初始化
  strip.show();
}

/*流水灯效果*/
void loop() {
  theaterChase(COLOR_RED,    2, 450); //红色流水灯效果，循环2次，两灯之间延时450ms
  theaterChase(COLOR_BLUE,   4, 400); //蓝色流水灯效果，循环4次，两灯之间延时400ms
}

//Theatre-style crawling lights.
void theaterChase(uint32_t c, uint8_t n, uint8_t wait) {
  for (int j = 0; j < n; j++) { //do 10 cycles of chasing
    for (uint16_t i = 0; i < strip.numPixels(); i++) {
      strip.setPixelColor(i, c);  //turn every third pixel on
      strip.show();
      delay(wait);
      strip.setPixelColor(i, 0); //turn every third pixel on
      strip.show();
    }
  }
}



  • 闪烁灯
#include <Microduino_ColorLED.h> //引用彩灯库

#define PIN            6         //彩灯引脚
#define NUMPIXELS      7         //级联彩灯数量

#define val_max 255
#define val_min 0

ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号

void setup() {
  strip.begin();                 //彩灯初始化
  strip.show();
}

void loop() {
  ledBlinkALL(COLOR_BLUE, 1000);
}

//第n号灯，颜色c,闪烁时间wait
void ledBlink(uint32_t c, uint8_t n, uint8_t wait) {
  strip.setPixelColor(n, c);  //turn every third pixel on
  strip.show();
  delay(wait);
  strip.setPixelColor(n, 0); //turn every third pixel on
  strip.show();
  delay(wait);
}

//全部灯，颜色c,闪烁时间wait
void ledBlinkALL(uint32_t c, uint8_t wait) {
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, c);  
    strip.show();
  }
  delay(wait);
  for (uint16_t i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, 0); 
    strip.show();
  }
  delay(wait);
}



  • 彩虹灯
#include <Microduino_ColorLED.h> //引用彩灯库

#define PIN            6         //彩灯引脚
#define NUMPIXELS      7        //级联彩灯数量

#define val_max 255
#define val_min 0

ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号

void setup() {
  strip.begin();                 //彩灯初始化
  strip.show();
}

/*彩虹灯效*/
void loop() {
  rainbow(20);
}

void rainbow(uint8_t wait) {
  uint16_t i, j;
  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}



  • 炫彩灯
#include <Microduino_ColorLED.h> //引用彩灯库

#define PIN            6         //彩灯引脚
#define NUMPIXELS      7        //级联彩灯数量

#define val_max 255
#define val_min 0

ColorLED strip = ColorLED(NUMPIXELS, PIN); //将ColorLED类命名为strip，并定义彩灯数量和彩灯引脚号

void setup() {
  strip.begin();                 //彩灯初始化
  strip.show();
}

/*炫彩灯效*/
void loop() {
  rainbowCycle(20);
}

// Slightly different, this makes the rainbow equally distributed throughout
void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

  for (j = 0; j < 256 * 5; j++) { // 5 cycles of all colors on wheel
    for (i = 0; i < strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if (WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if (WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}


相关案例




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取自“http:///https//wiki.microduino.cn/index.php?title=彩灯的多种玩法&oldid=21597”