Arduino Digital Light - Octowide

1/* octowide.com Example
2 2 Warm White Octowide x 2 Cold White Octowide
3  Light 3W modules Demo
4 info@octowide.com
5 Get Library at: https://github.com/shirriff/Arduino-IRremote
6
7  Unzip folder into Libraries. RENAME folder IRremote
8*/
9
10/*-----( Import
11  needed libraries )-----*/
12
13/* Get Library at: https://github.com/shirriff/Arduino-IRremote
14
15  Unzip folder into Libraries. RENAME folder IRremote
16 NOTE!! If you have a late
17  version of Arduino with a library IRRobotRemote, it may conflict and you may have
18  to remove that library.
19 Make sure to delete Arduino_Root/libraries/RobotIRremote.
20
21  Where Arduino_Root refers to the install directory of Arduino. The library RobotIRremote
22  has similar definitions to IRremote and causes errors.
23 */
24#include "IRremote.h"
25
26/*-----(
27  Declare Constants )-----*/
28const int ir_receiver = 12;                   // pin
29  1 of IR receiver to Arduino digital pin 12
30
31/*-----( Declare objects )-----*/
32IRrecv
33  irrecv(ir_receiver);                   // create instance of 'irrecv'
34decode_results
35  results;                       // create instance of 'decode_results'
36
37/*-----(
38  Declare Variables )-----*/
39int Warm_White_Level = 0;                     // brightness
40  level of Octowide Warm White (0 - 255)
41int New_Warm_White_Level = 0;                 //
42  new brightness level of Octowide Warm White (0 - 255)
43int Cold_White_Level =
44  0;                     // brightness level of Octowide Cold White (0 - 255)
45int
46  New_Cold_White_Level = 0;                 // new brightness level of Octowide Cold
47  White (0 - 255)
48int Step = 1;                                 // brightness update
49  step - 1 for the slowest transition to 255 for immediate transition
50enum channel
51{
52
53  WARM_WHITE = 9,                             // Arduino Digital pin 9 connected
54  to Octowide (Warm White) Signal pin
55  COLD_WHITE = 10                             //
56  Arduino Digital pin 10 connected to Octowide (Cold White) Signal pin
57};
58enum
59  channel channel_selected = WARM_WHITE;   // Default Channel selected
60
61void
62  setup()   /*----( SETUP: RUNS ONCE )----*/
63{
64  analogWrite(WARM_WHITE, Warm_White_Level);
65  // Set initial Warm White Level
66  analogWrite(COLD_WHITE, Cold_White_Level);
67  // Set initial Cold White Level
68  Serial.begin(9600);
69  Serial.println("Octowide
70  2 Warm x 2 Cold Demo");
71  Serial.println("More Info: info@octowide.com");
72  
73  irrecv.enableIRIn(); // Start the infrared receiver
74}
75
76void loop()
77   /*----( LOOP: RUNS CONSTANTLY )----*/
78{
79  static int cnt = 0;
80  
81
82  if (cnt++ == 5) // Check for a new IR once each 50ms
83  {
84    if (irrecv.decode(&results))
85  // have we received an IR signal?
86    {
87      translateIR(); 
88      irrecv.resume();
89  // receive the next value
90    }
91    cnt = 0;
92  }
93
94  // Update Warm
95  White Channel (if needed)
96  if (Warm_White_Level != New_Warm_White_Level)
97
98    update_level(WARM_WHITE, Warm_White_Level, New_Warm_White_Level);
99
100  //
101  Update Cold White Channel (if needed)
102  if (Cold_White_Level != New_Cold_White_Level)
103
104    update_level(COLD_WHITE, Cold_White_Level, New_Cold_White_Level);
105 
106  delay(10);
107  // Wait a bit
108}
109
110/*-----( Declare User-written Functions )-----*/
111
112/*
113  Low level brightness update function */
114void update_level(enum channel ch, int
115  &level, int &new_level)
116{
117  if (level < new_level)
118  {
119    level +=
120  Step;
121    if (level > new_level)
122      level = new_level;
123  } else {
124
125    level -= Step;
126    if (level < new_level)
127      level = new_level;
128
129  }
130  analogWrite(ch, level);
131}
132
133/* Function stating what to do when
134  receiving an IR code
135 * 1   - Warm White channel selected
136 * 2   - Cold White
137  channel selected
138 * UP  - increase brightness by aprox. 20% (on the channel selected)
139
140  * DWN - decrease brightness by aprox. 20% (on the channel selected)
141 * 0   -
142  Fade down both channels
143 * 4   - Max Brightness Warm White channel
144 * 5   -
145  Max Brightness Both channels
146 * 6   - Max Brightness Cold White channel
147 *
148  7   - Slow Fade (transition)
149 * 8   - Fast Fade (transition)
150 * 9   - No Fade
151
152  * Code received / action taken sent by serial port
153 */
154void translateIR()
155  // takes action based on IR code received
156
157// describing KEYES Remote IR codes
158  
159{
160  int level;
161  
162  switch(results.value)
163  {
164    case 0xFF6897:
165  Serial.println("WARM WHITE channel selected");
166      channel_selected = WARM_WHITE;
167
168      break;
169    
170    case 0xFF9867: Serial.println("COLD WHITE channel selected");
171
172      channel_selected = COLD_WHITE;
173      break;
174    
175    case 0xFF629D:
176  Serial.println("UP 20%");
177      if (channel_selected == WARM_WHITE)
178        fade_channels(Warm_White_Level
179  + 51, Cold_White_Level);
180      else fade_channels(Warm_White_Level, Cold_White_Level
181  + 51);
182      break;
183      
184    case 0xFFA857: Serial.println("DOWN 20%");
185
186      if (channel_selected == WARM_WHITE)
187        fade_channels(Warm_White_Level
188  - 51, Cold_White_Level);
189      else fade_channels(Warm_White_Level, Cold_White_Level
190  - 51);
191      break;
192      
193    case 0xFF4AB5: Serial.println("Fade DOWN");
194
195      fade_channels(0, 0);
196      break;
197      
198    case 0xFF30CF: Serial.println("MAX
199  Warm White");
200         fade_channels(255, 0);
201         break;
202         
203
204    case 0xFF18E7: Serial.println("MAX Both channels");
205         fade_channels(255,
206  255);
207         break;
208    case 0xFF7A85: Serial.println("MAX Cold White");
209
210         fade_channels(0,   255);
211         break;
212
213    case 0xFF10EF: Serial.println("SLOW
214  fade");
215         Step = 1;
216         break;
217         
218    case 0xFF38C7:
219  Serial.println("FAST fade");
220         Step = 4;
221         break;
222         
223
224    case 0xFF5AA5: Serial.println("NO fade");
225         Step = 255;
226         break;
227
228  }
229}
230
231/* Update global new brightness values to start fading
232 * Serial
233  print of start and new brightness for each channel
234 */
235void fade_channels(int
236  new_warm_level, int new_cold_level)
237{
238  char buf[32];
239
240  // Sanitize
241  both levels
242  New_Warm_White_Level = sanitize_level(new_warm_level);
243  New_Cold_White_Level
244  = sanitize_level(new_cold_level);
245    
246  sprintf(buf, "WARM %3d > %3d | COLD
247  %3d > %3d", Warm_White_Level, New_Warm_White_Level, Cold_White_Level, New_Cold_White_Level);
248
249  Serial.println(buf);
250}
251
252/* Check the boundaries - max / min allowable
253  brightness levels */
254int sanitize_level(int level)
255{
256  if (level > 255)
257
258    return 255;
259  else if (level < 0)
260    return 0;
261  return level;
262}
263/*
264  ( THE END ) */