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// testshapes demo for RGBmatrixPanel library. | ||
// Demonstrates the drawing abilities of the RGBmatrixPanel library. | ||
// For 32x32 RGB LED matrix. | ||
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// NOTE THIS CAN ONLY BE USED ON A MEGA! NOT ENOUGH RAM ON UNO! | ||
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#include <Adafruit_GFX.h> // Core graphics library | ||
#include <RGBmatrixPanel.h> // Hardware-specific library | ||
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// If your 32x32 matrix has the SINGLE HEADER input, | ||
// use this pinout: | ||
#define CLK 12 // MUST be on PORTB! | ||
#define OE 13 | ||
#define LAT A0 | ||
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#define A 10 | ||
#define B A2 | ||
#define C 11 | ||
#define D A1 | ||
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RGBmatrixPanel matrix(A, B, C, D, CLK, LAT, OE, false, 64); | ||
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void setup() { | ||
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matrix.begin(); | ||
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// draw a pixel in solid white | ||
matrix.drawPixel(0, 0, matrix.Color333(7, 7, 7)); | ||
delay(500); | ||
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// fix the screen with green | ||
matrix.fillRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(0, 7, 0)); | ||
delay(500); | ||
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// draw a box in yellow | ||
matrix.drawRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(7, 7, 0)); | ||
delay(500); | ||
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// draw an 'X' in red | ||
matrix.drawLine(0, 0, matrix.width()-1, matrix.height()-1, matrix.Color333(7, 0, 0)); | ||
matrix.drawLine(matrix.width()-1, 0, 0, matrix.height()-1, matrix.Color333(7, 0, 0)); | ||
delay(500); | ||
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// draw a blue circle | ||
matrix.drawCircle(10, 10, 10, matrix.Color333(0, 0, 7)); | ||
delay(500); | ||
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// fill a violet circle | ||
matrix.fillCircle(40, 21, 10, matrix.Color333(7, 0, 7)); | ||
delay(500); | ||
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// fill the screen with 'black' | ||
matrix.fillScreen(matrix.Color333(0, 0, 0)); | ||
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// draw some text! | ||
matrix.setTextSize(1); // size 1 == 8 pixels high | ||
matrix.setTextWrap(false); // Don't wrap at end of line - will do ourselves | ||
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matrix.setCursor(8, 0); // start at top left, with 8 pixel of spacing | ||
uint8_t w = 0; | ||
char *str = "AdafruitIndustries"; | ||
for (w=0; w<8; w++) { | ||
matrix.setTextColor(Wheel(w)); | ||
matrix.print(str[w]); | ||
} | ||
matrix.setCursor(2, 8); // next line | ||
for (w=8; w<18; w++) { | ||
matrix.setTextColor(Wheel(w)); | ||
matrix.print(str[w]); | ||
} | ||
matrix.println(); | ||
//matrix.setTextColor(matrix.Color333(4,4,4)); | ||
//matrix.println("Industries"); | ||
matrix.setTextColor(matrix.Color333(7,7,7)); | ||
matrix.println("LED MATRIX!"); | ||
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// print each letter with a rainbow color | ||
matrix.setTextColor(matrix.Color333(7,0,0)); | ||
matrix.print('3'); | ||
matrix.setTextColor(matrix.Color333(7,4,0)); | ||
matrix.print('2'); | ||
matrix.setTextColor(matrix.Color333(7,7,0)); | ||
matrix.print('x'); | ||
matrix.setTextColor(matrix.Color333(4,7,0)); | ||
matrix.print('6'); | ||
matrix.setTextColor(matrix.Color333(0,7,0)); | ||
matrix.print('4'); | ||
matrix.setCursor(34, 24); | ||
matrix.setTextColor(matrix.Color333(0,7,7)); | ||
matrix.print("*"); | ||
matrix.setTextColor(matrix.Color333(0,4,7)); | ||
matrix.print('R'); | ||
matrix.setTextColor(matrix.Color333(0,0,7)); | ||
matrix.print('G'); | ||
matrix.setTextColor(matrix.Color333(4,0,7)); | ||
matrix.print("B"); | ||
matrix.setTextColor(matrix.Color333(7,0,4)); | ||
matrix.println("*"); | ||
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// whew! | ||
} | ||
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void loop() { | ||
// do nothing | ||
} | ||
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// Input a value 0 to 24 to get a color value. | ||
// The colours are a transition r - g - b - back to r. | ||
uint16_t Wheel(byte WheelPos) { | ||
if(WheelPos < 8) { | ||
return matrix.Color333(7 - WheelPos, WheelPos, 0); | ||
} else if(WheelPos < 16) { | ||
WheelPos -= 8; | ||
return matrix.Color333(0, 7-WheelPos, WheelPos); | ||
} else { | ||
WheelPos -= 16; | ||
return matrix.Color333(0, WheelPos, 7 - WheelPos); | ||
} | ||
} |