├── README.md
└── Glediator-sdcard.ino


/README.md:
--------------------------------------------------------------------------------
1 | # Glediator-from-sdcard
2 | Arduino sketch that loads saved fx data from Glediator and runs it standalone.
3 | 
4 | Please see my project page on Hackaday.io
5 | https://hackaday.io/project/5714-glediator-from-sdcard-arduino
6 | 


--------------------------------------------------------------------------------
/Glediator-sdcard.ino:
--------------------------------------------------------------------------------
 1 | // Glediator Arduino UNO sketch by Jens Andrée
 2 | // 500k bauds with 80 pixels no problem
 3 | // sdcard stream for stand-alone operation.
 4 | 
 5 | #include <FastLED.h>
 6 | #include <SPI.h>
 7 | #include <SD.h>
 8 | 
 9 | #define NUM_LEDS 80
10 | #define DATA_PIN 2
11 | #define CLOCK_PIN 3
12 | #define CMD_NEW_DATA 1
13 | #define BAUD_RATE 500000  //if using Glediator via serial
14 | 
15 | File fxdata;
16 | CRGB leds[NUM_LEDS];
17 | 
18 | void setup()
19 | {
20 |   FastLED.addLeds<WS2801, DATA_PIN, CLOCK_PIN, RGB>(leds, NUM_LEDS); //se doc for different LED strips
21 | //  Serial.begin(BAUD_RATE); // when using Glediator via usb
22 |   Serial.begin(115200);
23 |   
24 |   for(int y = 0 ; y < NUM_LEDS ; y++) 
25 |   {
26 |     leds[y] = CRGB::Black; // set all leds to black during setup
27 |   }
28 |   FastLED.show();
29 | 
30 |   pinMode(10, OUTPUT); // CS/SS pin as output for SD library to work.
31 |   digitalWrite(10, HIGH); // workaround for sdcard failed error...
32 | 
33 |   if (!SD.begin(4))
34 |   {
35 |     Serial.println("sdcard initialization failed!");
36 |     return;
37 |   }
38 |   Serial.println("sdcard initialization done.");
39 |   
40 |   // test file open
41 |   fxdata = SD.open("myanim.dat");  // read only
42 |   if (fxdata)
43 |   {
44 |     Serial.println("file open ok");      
45 |     fxdata.close();
46 |   }
47 | }
48 | 
49 | int serialGlediator ()
50 | {
51 |   while (!Serial.available()) {}
52 |   return Serial.read();
53 | }
54 | 
55 | void loop()
56 | {
57 | 
58 | // uncomment for Glediator  
59 | //  while (fileGlediator () != CMD_NEW_DATA) {}
60 | //  Serial.readBytes((char*)leds, NUM_LEDS*3);
61 | 
62 |   fxdata = SD.open("myanim.dat");  // read only
63 |   if (fxdata)
64 |     {
65 |       Serial.println("file open ok");      
66 |     }
67 | 
68 |   while (fxdata.available()) 
69 |   {
70 |     fxdata.readBytes((char*)leds, NUM_LEDS*3);
71 |     FastLED.show();
72 |     delay(50); // set the speed of the animation. 20 is appx ~ 500k bauds
73 |   }
74 |   
75 |   // close the file in order to prevent hanging IO or similar throughout time
76 |   fxdata.close();
77 | }
78 | 


--------------------------------------------------------------------------------