155 lines
4.2 KiB
C++
155 lines
4.2 KiB
C++
#include <ESP32-RGB64x32MatrixPanel-I2S-DMA.h>
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RGB64x32MatrixPanel_I2S_DMA dma_display;
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// Or use an Alternative non-DMA library, i.e:
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//#include <P3RGB64x32MatrixPanel.h>
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//P3RGB64x32MatrixPanel display;
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void setup() {
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Serial.begin(115200);
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Serial.println("*****************************************************");
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Serial.println(" HELLO !");
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Serial.println("*****************************************************");
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dma_display.begin();
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for (int y = 0; y < dma_display.height(); y++)
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{
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dma_display.drawFastHLine(0, y-1, dma_display.width(), dma_display.color565(255-(15*y), 0, 0));
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delay(100);
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}
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delay(1000);
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for (int y = 0; y < dma_display.height(); y++)
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{
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dma_display.drawFastHLine(0, y-1, dma_display.width(), dma_display.color565(128, 255-(15*y), 0));
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delay(100);
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}
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delay(2000);
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// draw a pixel in solid white
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dma_display.drawPixel(0, 0, dma_display.color444(15, 15, 15));
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delay(500);
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// fix the screen with green
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dma_display.fillRect(0, 0, dma_display.width(), dma_display.height(), dma_display.color444(0, 15, 0));
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delay(500);
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// draw a box in yellow
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dma_display.drawRect(0, 0, dma_display.width(), dma_display.height(), dma_display.color444(15, 15, 0));
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delay(500);
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// draw an 'X' in red
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dma_display.drawLine(0, 0, dma_display.width()-1, dma_display.height()-1, dma_display.color444(15, 0, 0));
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dma_display.drawLine(dma_display.width()-1, 0, 0, dma_display.height()-1, dma_display.color444(15, 0, 0));
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delay(500);
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// draw a blue circle
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dma_display.drawCircle(10, 10, 10, dma_display.color444(0, 0, 15));
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delay(500);
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// fill a violet circle
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dma_display.fillCircle(40, 21, 10, dma_display.color444(15, 0, 15));
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delay(500);
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// fill the screen with 'black'
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dma_display.fillScreen(dma_display.color444(0, 0, 0));
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// draw some text!
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dma_display.setTextSize(1); // size 1 == 8 pixels high
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dma_display.setTextWrap(false); // Don't wrap at end of line - will do ourselves
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dma_display.setCursor(5, 0); // start at top left, with 8 pixel of spacing
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uint8_t w = 0;
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char *str = "ESP32 DMA";
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for (w=0; w<9; w++) {
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dma_display.setTextColor(dma_display.color565(255, 0, 255));
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dma_display.print(str[w]);
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}
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dma_display.println();
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for (w=9; w<18; w++) {
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dma_display.setTextColor(Wheel(w));
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dma_display.print(str[w]);
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}
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dma_display.println();
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//dma_display.setTextColor(dma_display.Color333(4,4,4));
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//dma_display.println("Industries");
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dma_display.setTextColor(dma_display.color444(15,15,15));
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dma_display.println("LED MATRIX!");
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// print each letter with a rainbow color
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dma_display.setTextColor(dma_display.color444(0,8,15));
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dma_display.print('3');
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dma_display.setTextColor(dma_display.color444(15,4,0));
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dma_display.print('2');
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dma_display.setTextColor(dma_display.color444(15,15,0));
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dma_display.print('x');
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dma_display.setTextColor(dma_display.color444(8,15,0));
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dma_display.print('6');
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dma_display.setTextColor(dma_display.color444(8,0,15));
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dma_display.print('4');
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// Jump a half character
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dma_display.setCursor(34, 24);
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dma_display.setTextColor(dma_display.color444(0,15,15));
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dma_display.print("*");
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dma_display.setTextColor(dma_display.color444(15,0,0));
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dma_display.print('R');
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dma_display.setTextColor(dma_display.color444(0,15,0));
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dma_display.print('G');
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dma_display.setTextColor(dma_display.color444(0,0,15));
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dma_display.print("B");
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dma_display.setTextColor(dma_display.color444(15,0,8));
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dma_display.println("*");
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delay(2000);
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/*
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for (int i = 15; i > 0; i--)
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{
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// fade out
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dma_display.fillScreen(dma_display.color565(0, 0, i*17));
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delay(250);
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}
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for (int i = 15; i > 0; i--)
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{
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// draw a blue circle
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dma_display.drawCircle(10, 10, 10, dma_display.color565(i*17, 0, 0));
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delay(250);
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}
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*/
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// whew!
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}
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void loop() {
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// do nothing
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}
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// Input a value 0 to 24 to get a color value.
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// The colours are a transition r - g - b - back to r.
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uint16_t Wheel(byte WheelPos) {
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if(WheelPos < 8) {
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return dma_display.color444(15 - WheelPos*2, WheelPos*2, 0);
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} else if(WheelPos < 16) {
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WheelPos -= 8;
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return dma_display.color444(0, 15-WheelPos*2, WheelPos*2);
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} else {
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WheelPos -= 16;
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return dma_display.color444(0, WheelPos*2, 7 - WheelPos*2);
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}
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}
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