ShiftRegister RGB LED

1const int ShiftPWM_latchPin=8;
2
3#include <ShiftPWM.h>
4
5const  bool ShiftPWM_invertOutputs = false; 
6const bool ShiftPWM_balanceLoad = false;
7unsigned  char maxBrightness = 255;
8unsigned char pwmFrequency = 75;
9int numRegisters  = 4;
10int numRGBleds = numRegisters*8/3;
11
12void setup()
13 {
14  Serial.begin(9600);
15
16//  Sets the number of 8-bit registers that are used.
17ShiftPWM.SetAmountOfRegisters(numRegisters);
18ShiftPWM.SetPinGrouping(1);  
19ShiftPWM.Start(pwmFrequency,maxBrightness);
20}
21
22void loop()
23 {    
24ShiftPWM.SetAll(0);
25ShiftPWM.PrintInterruptLoad();
26ShiftPWM.OneByOneFast();
27
28  for(int j=0;j<maxBrightness;j++)
29  {
30    ShiftPWM.SetAll(j);  
31    delay(20);
32  }
33  
34  for(int j=maxBrightness;j>=0;j--)
35  {
36    ShiftPWM.SetAll(j);  
37    delay(20);
38  }
39
40
41  for(int output=0;output<numRegisters*8-1;output++)
42   {
43    ShiftPWM.SetAll(0);
44    for(int brightness=0;brightness<maxBrightness;brightness++)
45     {
46      ShiftPWM.SetOne(output+1,brightness);
47      ShiftPWM.SetOne(output,maxBrightness-brightness);
48      delay(1);
49    }
50  }
51
52  
53  for(int hue = 0; hue<360; hue++)
54  {
55    ShiftPWM.SetAllHSV(hue, 255, 255); 
56    delay(50);
57  }
58
59  
60  for(int shift=0;shift<6;shift++)
61   {
62    for(int led=0; led<numRGBleds;  led++)
63     {
64      switch((led+shift)%6)
65       {
66      case 0:
67        ShiftPWM.SetRGB(led,255,0,0);    
68        break;
69      case 1:
70        ShiftPWM.SetRGB(led,0,255,0);    
71        break;
72      case 2:
73        ShiftPWM.SetRGB(led,0,0,255);    
74        break;
75      case 3:
76        ShiftPWM.SetRGB(led,255,128,0);  
77        break;
78      case 4:
79        ShiftPWM.SetRGB(led,0,255,255); 
80        break;
81      case 5:
82        ShiftPWM.SetRGB(led,255,0,255); 
83        break;
84      }
85    }
86    delay(2000);
87 }
88
89  
90  for(int i=0;i<1000;i++){
91    ShiftPWM.SetHSV(random(numRGBleds),random(360),255,255);
92    delay(15);
93  }
94int peak=0;
95int prevPeak=0;
96int currentLevel = 0;
97
98for(int  i=0;i<40;i++)
99 {
100    prevPeak = peak;
101    while(abs(peak-prevPeak)<5)
102    {
103      peak =  random(numRGBleds); 
104    }
105    while(currentLevel!=peak)
106      {
107      if(currentLevel<peak)
108       {
109        currentLevel++;
110       }
111      else
112      {
113        currentLevel--;
114      }
115      for(int  led=0;led<numRGBleds;led++)
116       {
117        if(led<=currentLevel)
118         {
119          int hue = (numRGBleds-1-led)*120/numRGBleds; 
120          ShiftPWM.SetHSV(led,hue,255,255);  
121         }
122        else
123         {
124          ShiftPWM.SetRGB(led,0,0,0);
125         }
126       }
127delay((64/numRGBleds)*(numRGBleds-currentLevel)); 
128  }
129 }
130rgbLedRainbow(numRGBleds, 5, 3, numRegisters*8/3); 
131rgbLedRainbow(numRGBleds,  10, 3, numRegisters*8/3*4); 
132}
133
134void rgbLedRainbow(int numRGBLeds, int  delayVal, int numCycles, int rainbowWidth)
135 {
136  ShiftPWM.SetAll(0);
137  for(int  cycle=0;cycle<numCycles;cycle++)
138   { 
139    for(int colorshift=0;colorshift<360;colorshift++)
140     { 
141      for(int led=0;led<numRGBLeds;led++)
142       { 
143        int  hue = ((led)*360/(rainbowWidth-1)+colorshift)%360;  
144        ShiftPWM.SetHSV(led,  hue, 255, 255); 
145       }
146delay(delayVal); 
147  }  
148 }
149}