#include "Adafruit_NeoPixel.h"


// Argument 1 = Number of pixels in NeoPixel strip
// Argument 2 = Arduino pin number (most are valid)
// Argument 3 = Pixel type flags, add together as needed:
//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
//   NEO_RGBW    Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
Adafruit_NeoPixel strip1(108, 2, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip2(108, 3, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip3(40,  4, NEO_GRB + NEO_KHZ800);


unsigned long Time_old = 0;

void setup()
{
    strip1.begin();
    strip2.begin();
    strip3.begin();

    strip1.show();
    strip2.show();
    strip3.show();

    strip1.clear();  //全灭
    strip2.clear();  //全灭
    strip3.clear();  //全灭

    strip1.setBrightness(255);//0-255
    strip2.setBrightness(255);
    strip3.setBrightness(0);

    Serial.begin(115200);
}

void loop() {

    unsigned long currentTime = millis();

    if((currentTime-Time_old) >= 10)
    {
        Serial.println((currentTime-Time_old));

        Time_old = currentTime;

        Ws2812_strip1();
        Ws2812_strip2();
        Ws2812_strip3();
    }
}


void Ws2812_strip1()
{
    static uint8_t Light_count = 0;
    static int8_t Light_count_old = -1;

    static uint16_t delay_count = 0;
    static uint16_t delay1_count = 0;

    static float Brightness = 0.0f;
    static uint8_t Brightness_flag = 0;
    static uint8_t sw_flag = 0;

    if(Light_count_old != Light_count)
    {
        if(Light_count <= 7)
        {
                strip1.setPixelColor(Light_count, strip1.Color(0, 255, 0));
        }
        else if((Light_count >= 8)&&(Light_count <= 61))
        {
            if((Light_count % 2) == 1)
            {
                strip1.setPixelColor(Light_count, strip1.Color(255, 0, 0));
            }
            else
            {
                strip1.setPixelColor(Light_count, strip1.Color(0, 255, 0));
            }
        }
        else if((Light_count >= 62)&&(Light_count <= 79))
        {
            strip1.setPixelColor(Light_count, strip1.Color(255, 68+((Light_count-62)*11), 0));
        }
        else if((Light_count >= 80)&&(Light_count <= 107))
        {
            strip1.setPixelColor(Light_count, strip1.Color(255, 255, 20));
        }
        else
        {
            strip1.clear();  //全灭
            Light_count = 0;
            Brightness_flag = 0;
            Brightness = 0;
            sw_flag = 0;
        }
    }

    if(Light_count >= 8)
    {
        if(Brightness_flag == 0)
        {
            Brightness += 3.3;
            if(Brightness > 248)
            {
                Brightness_flag = 1;
            }
        }
        else if(Brightness_flag == 1)
        {
            Brightness -= 3.3;
            if(Brightness <= 4)
            {
                Brightness_flag = 0;
                sw_flag = !sw_flag;
            }
        }

        for(int i = 8;((i <= Light_count)&&(i <= 61)); i++)
        {
            if(sw_flag == 1)
            {
                if(i%2 == 0)
                {
                    strip1.setPixelColor(i, strip1.Color(((255*(uint8_t)Brightness)>>8), 0, 0));
                }
                else 
                {
                    strip1.setPixelColor(i, strip1.Color(0, ((255*(uint8_t)Brightness)>>8), 0));
                }
            }
            else if(sw_flag == 0)
            {
                if(i%2 == 0)
                {
                    strip1.setPixelColor(i, strip1.Color(0, ((255*(uint8_t)Brightness)>>8), 0));
                }
                else 
                {
                    strip1.setPixelColor(i, strip1.Color(((255*(uint8_t)Brightness)>>8), 0, 0));
                }
            }
        }
    }


    delay_count++;
    if(delay_count >= 19)
    {
        delay_count = 0;
        Light_count++;
    }

    strip1.show();
}


void Ws2812_strip2()
{
    static uint8_t Light_count = 0;
    static int8_t Light_count_old = -1;

    static uint16_t delay_count = 0;
    static uint16_t delay1_count = 0;

    static float Brightness = 0.0f;
    static uint8_t Brightness_flag = 0;
    static uint8_t sw_flag = 0;

    if(Light_count_old != Light_count)
    {
        if(Light_count <= 7)
        {
                strip2.setPixelColor(Light_count, strip2.Color(255, 0, 0));
        }
        else if((Light_count >= 8)&&(Light_count <= 61))
        {
            if((Light_count % 2) == 0)
            {
                strip2.setPixelColor(Light_count, strip2.Color(255, 0, 0));
            }
            else
            {
                strip2.setPixelColor(Light_count, strip2.Color(0, 255, 0));
            }
        }
        else if((Light_count >= 62)&&(Light_count <= 79))
        {
            strip2.setPixelColor(Light_count, strip2.Color(255, 68+((Light_count-62)*11), 0));
        }
        else if((Light_count >= 80)&&(Light_count <= 107))
        {
            strip2.setPixelColor(Light_count, strip2.Color(255, 255, 20));
        }
        else
        {
            strip2.clear();  //全灭
            Light_count = 0;
            Brightness_flag = 0;
            Brightness = 0;
            sw_flag = 0;
        }
    }

    if(Light_count >= 8)
    {
        if(Brightness_flag == 0)
        {
            Brightness += 3.3;
            if(Brightness > 248)
            {
                Brightness_flag = 1;
            }
        }
        else if(Brightness_flag == 1)
        {
            Brightness -= 3.3;
            if(Brightness <= 4)
            {
                Brightness_flag = 0;
                sw_flag = !sw_flag;
            }
        }

        for(int i = 8;((i <= Light_count)&&(i <= 61)); i++)
        {
            if(sw_flag == 0)
            {
                if(i%2 == 0)
                {
                    strip2.setPixelColor(i, strip2.Color(((255*(uint8_t)Brightness)>>8), 0, 0));
                }
                else 
                {
                    strip2.setPixelColor(i, strip2.Color(0, ((255*(uint8_t)Brightness)>>8), 0));
                }
            }
            else if(sw_flag == 1)
            {
                if(i%2 == 0)
                {
                    strip2.setPixelColor(i, strip2.Color(0, ((255*(uint8_t)Brightness)>>8), 0));
                }
                else 
                {
                    strip2.setPixelColor(i, strip2.Color(((255*(uint8_t)Brightness)>>8), 0, 0));
                }
            }
        }
    }


    delay_count++;
    if(delay_count >= 19)
    {
        delay_count = 0;
        Light_count++;
    }

    strip2.show();
}


void Ws2812_strip3()
{
    static uint8_t state_count = 0;
    static float Brightness = 0.0f;

    static uint16_t delay_count = 0;

    switch(state_count)
    {
        case 0:     //1-20渐亮
            strip3.fill(strip3.Color(255, 255, 255),  0, 19);//1-20白色
            strip3.fill(strip3.Color(0, 0, 0),        20,39);//21-40熄灭

            Brightness += 2.4f;
            if(Brightness >= 250)
            {
                state_count = 1;
            }
            strip3.setBrightness((uint8_t)Brightness);
            strip3.show();
            break;

        case 1:     //渐灭
            strip3.fill(strip3.Color(255, 255, 255),  0, 19);//1-20白色
            strip3.fill(strip3.Color(0, 0, 0),        20,39);//21-40熄灭

            Brightness -= 2.4f;
            if(Brightness <= 3)
            {
                state_count = 2;
            }
            strip3.setBrightness((uint8_t)Brightness);
            strip3.show();
            break;

        case 2:     //21-40渐亮
            strip3.fill(strip3.Color(0, 0, 0),        0, 19);//1-20熄灭
            strip3.fill(strip3.Color(255, 255, 255),  20,39);//21-40白色

            Brightness += 2.4f;
            if(Brightness >= 250)
            {
                state_count = 3;
            }
            strip3.setBrightness((uint8_t)Brightness);
            strip3.show();
            break;

        case 3:     //21-40渐灭
            strip3.fill(strip3.Color(0, 0, 0),        0, 19);//1-20熄灭
            strip3.fill(strip3.Color(255, 255, 255),  20,39);//21-40白色

            Brightness -= 2.4f;
            if(Brightness <= 3)
            {
                state_count = 0;
            }
            strip3.setBrightness((uint8_t)Brightness);
            strip3.show();
            break;

        default:
            delay_count = 0;
            Brightness = 0;
            state_count = 0;
            break;
    }

}