Difference between revisions of "Adafruit32x16RGB"

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Here is a video of it working:
 
Here is a video of it working:
  
[http://www.youtube.com/watch?v=-iVad2X3Yfo]
+
[http://www.youtube.com/watch?v=-iVad2X3Yfo RGB Panel Working]
  
 
I tried the sample programs with 2 cascaded displays and they were mirrored for some reason.  I'm not sure why.  Also, the first row is corrupted.  Here are videos of that happening:
 
I tried the sample programs with 2 cascaded displays and they were mirrored for some reason.  I'm not sure why.  Also, the first row is corrupted.  Here are videos of that happening:
  
[http://www.youtube.com/watch?v=-iVad2X3Yfo]
+
[http://www.youtube.com/watch?v=-iVad2X3Yfo Cascaded Plasma]
  
[http://www.youtube.com/watch?v=K6YONDkpExg]
+
[http://www.youtube.com/watch?v=K6YONDkpExg Cascaded Test Shapes]

Revision as of 21:00, 22 August 2011

I am working on a project using 16x32 RGB Panel.

Here is a video of the panel working:

[1]

I wanted to figure out the timing for the interface so I wrote the code myself without using the sample code.

Here is the sample code:

// test the 32x16 LED board. Public Domain.

  1. define A A0
  2. define B A1
  3. define C A2
  4. define LAT A3
  5. define OE 9
  6. define CLK 8
  7. define R1 2
  8. define G1 3
  9. define B1 4
  10. define R2 5
  11. define G2 6
  12. define B2 7

void setup() {

 Serial.begin(115200);
 pinMode(R1,OUTPUT);
 pinMode(G1,OUTPUT);
 pinMode(B1,OUTPUT);
 pinMode(R2,OUTPUT);
 pinMode(G2,OUTPUT);
 pinMode(B2,OUTPUT);
 pinMode(CLK,OUTPUT);
 pinMode(OE,OUTPUT);
 pinMode(A,OUTPUT);
 pinMode(B,OUTPUT);
 pinMode(C,OUTPUT);
 pinMode(LAT,OUTPUT);
 digitalWrite(A,LOW);
 digitalWrite(B,LOW);
 digitalWrite(C,LOW);
 digitalWrite(LAT,LOW);
 digitalWrite(OE,LOW);
 digitalWrite(CLK,HIGH);

}

void updateRow(int i) {

   digitalWrite(OE,LOW);
   // Set the row address
   if ( i & 0x1 ) {
     digitalWrite(A,HIGH);
   } else {
     digitalWrite(A,LOW);
   }
   if ( i & 0x2 ) {
     digitalWrite(B,HIGH);
   } else {
     digitalWrite(B,LOW);
   }
   if ( i & 0x4 ) {
     digitalWrite(C,HIGH);
   } else {
     digitalWrite(C,LOW);
   }
   for ( uint8_t x = 0; x < 64; x++ ) {
     digitalWrite(CLK,LOW);
     if ( x > 31 ) {
       // This will end up on the display closest to the arduino
       digitalWrite(R1,HIGH);
       digitalWrite(G1,HIGH);
       digitalWrite(B1,HIGH);
       digitalWrite(R2,LOW);
       digitalWrite(G2,LOW);
       digitalWrite(B2,HIGH);
     } else {
       // This will end up on the display farthest from the arduino
       digitalWrite(R1,LOW);
       digitalWrite(G1,HIGH);
       digitalWrite(B1,LOW);
       digitalWrite(R2,HIGH);
       digitalWrite(G2,LOW);
       digitalWrite(B2,LOW);
     }
       
     digitalWrite(CLK,HIGH);
   }
   digitalWrite(LAT,HIGH);
   digitalWrite(LAT,LOW);
   digitalWrite(OE,HIGH);

}

void loop() {

 for ( int i = 0; i < 8; i++ ) {
   updateRow(i);
 } 

}


Here is a video of it working:

RGB Panel Working

I tried the sample programs with 2 cascaded displays and they were mirrored for some reason. I'm not sure why. Also, the first row is corrupted. Here are videos of that happening:

Cascaded Plasma

Cascaded Test Shapes

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