【雕爷学编程】Arduino动手做（63）---TCS3200D颜色识别传感器2 中等

/*
  【Arduino】168种传感器模块系列实验（64）
  实验六十四： TCS3200D颜色识别传感器（可编程彩色光频识别转换器模块）
  实验程序之三：颜色识别感应

  实验模块接线
  Arduino Uno   <----->   TSC3200颜色传感器
  Pin 6                <----->                  S0
  Pin 5                <----->                  S1
  Pin 4                <----->                  S2
  Pin 3                <----->                  S3
  Pin 2                <----->                 OUT
  5V                   <----->                 VCC
  GND                  <----->                 GND
*/

int s0 = 6, s1 = 5, s2 = 4, s3 = 3;
int out = 2;
int flag = 0;
byte counter = 0;
byte countR = 0, countG = 0, countB = 0;
void setup()
{
  Serial.begin(115200);
  pinMode(s0, OUTPUT);
  pinMode(s1, OUTPUT);
  pinMode(s2, OUTPUT);
  pinMode(s3, OUTPUT);

}
void TCS()
{
  flag = 0;
  digitalWrite(s1, HIGH);
  digitalWrite(s0, HIGH);
  digitalWrite(s2, LOW);
  digitalWrite(s3, LOW);
  attachInterrupt(0, ISR_INTO, CHANGE);
  timer0_init();

}
void ISR_INTO()
{
  counter++;
}
void timer0_init(void)
{
  TCCR2A = 0x00;
  TCCR2B = 0x07; //时钟频率源1024点
  TCNT2 = 100;   //10毫秒再次溢出
  TIMSK2 = 0x01; //允许中断
}
int i = 0;
ISR(TIMER2_OVF_vect)
//计时器2，10ms再次中断溢出，内部溢出中断执行功能
{
  TCNT2 = 100;
  flag++;
  if (flag == 1)
  {
    countR = counter;
    Serial.print("red=");
    Serial.println(countR, DEC);
    digitalWrite(s2, HIGH);
    digitalWrite(s3, HIGH);
  }
  else if (flag == 2)
  {
    countG = counter;
    Serial.print("green=");
    Serial.println(countG, DEC);
    digitalWrite(s2, LOW);
    digitalWrite(s3, HIGH);
  }
  else if (flag == 3)
  {
    countB = counter;
    Serial.print("blue=");
    Serial.println(countB, DEC);
    Serial.println("\n");
    digitalWrite(s2, LOW);
    digitalWrite(s3, LOW);

  }
  else if (flag == 4)
  {
    flag = 0;
  }
  counter = 0;
}

void loop()
{
  TCS();
  while (1);
}

/*
  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验六十四： TCS3200D颜色识别传感器（可编程彩色光频识别转换器模块）
  项目之五：颜色传感器识别测试
*/

#define S0 4
#define S1 5
#define S2 6
#define S3 7
#define sensorOut 8

// 存储光电二极管读取的频率
int redFrequency = 0;
int greenFrequency = 0;
int blueFrequency = 0;

//存储红色、绿色和蓝色
int redColor = 0;
int greenColor = 0;
int blueColor = 0;

void setup() {
  // 设置输出
  pinMode(S0, OUTPUT);
  pinMode(S1, OUTPUT);
  pinMode(S2, OUTPUT);
  pinMode(S3, OUTPUT);

  // 将传感器输出设置为输入
  pinMode(sensorOut, INPUT);

  // 将频率缩放设置为 20%
  digitalWrite(S0, HIGH);
  digitalWrite(S1, LOW);

  // 以 115200 bps 初始化串行通信
  Serial.begin(115200);
}

void loop() {
  // 设置要读取的 RED (R) 滤波光电二极管
  digitalWrite(S2, LOW);
  digitalWrite(S3, LOW);

  // 读取输出频率
  redFrequency = pulseIn(sensorOut, LOW);
  // 将 RED (R) 频率的值从 0 重新映射到 255
  // 你必须用你自己的值替换。下面是一个例子：
  // redColor = map(redFrequency, 62, 115, 255,0);
  redColor = map(redFrequency, 30, 313, 255, 0);//白，红色R为255

  // Printing the RED (R) value
  Serial.print("R = ");
  Serial.print(redColor);
  delay(100);

  // Setting GREEN (G) filtered photodiodes to be read
  digitalWrite(S2, HIGH);
  digitalWrite(S3, HIGH);

  // Reading the output frequency
  greenFrequency = pulseIn(sensorOut, LOW);
  // Remaping the value of the GREEN (G) frequency from 0 to 255
  // You must replace with your own values. Here's an example:
  // greenColor = map(greenFrequency, 89, 185, 255, 0);
  greenColor = map(greenFrequency, 38, 440, 255, 0);//白、绿色为G255

  // Printing the GREEN (G) value
  Serial.print(" G = ");
  Serial.print(greenColor);
  delay(100);

  // Setting BLUE (B) filtered photodiodes to be read
  digitalWrite(S2, LOW);
  digitalWrite(S3, HIGH);

  // Reading the output frequency
  blueFrequency = pulseIn(sensorOut, LOW);
  // Remaping the value of the BLUE (B) frequency from 0 to 255
  // You must replace with your own values. Here's an example:
  // blueColor = map(blueFrequency, 35, 79, 255, 0);
  blueColor = map(blueFrequency, 30, 300, 255, 0);

  // Printing the BLUE (B) value
  Serial.print(" B = ");
  Serial.print(blueColor);
  delay(100);

  // Checks the current detected color and prints
  // a message in the serial monitor
  if (redColor > greenColor && redColor > blueColor) {
    Serial.println(" - RED detected!");
  }
  if (greenColor > redColor && greenColor > blueColor) {
    Serial.println(" - GREEN detected!");
  }
  if (blueColor > redColor && blueColor > greenColor) {
    Serial.println(" - BLUE detected!");
  }
}