130 lines
4 KiB
C++
130 lines
4 KiB
C++
// Example sketch which shows how to display some patterns
|
|
// on a 64x32 LED matrix
|
|
//
|
|
|
|
#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
|
|
|
|
/*
|
|
* Below is an example of the 'legacy' way of initialising the MatrixPanel_I2S_DMA class.
|
|
* i.e. Matrix Width and Height will need to be confirmed as compile-time directives.
|
|
* By default the library assumes a single 64x32 pixel panel is connected.
|
|
*
|
|
* Refer to the example '2_PatternPlasma' on the new / correct way to setup this library
|
|
* for different resolutions / panel chain lengths.
|
|
*
|
|
*/
|
|
MatrixPanel_I2S_DMA dma_display;
|
|
|
|
// Or use an Alternative non-DMA library, i.e:
|
|
//#include <P3RGB64x32MatrixPanel.h>
|
|
//P3RGB64x32MatrixPanel display;
|
|
|
|
|
|
void setup() {
|
|
|
|
|
|
Serial.begin(115200);
|
|
|
|
Serial.println("*****************************************************");
|
|
Serial.println(" HELLO !");
|
|
Serial.println("*****************************************************");
|
|
|
|
dma_display.begin(); // use default pins
|
|
|
|
// draw a pixel in solid white
|
|
dma_display.drawPixel(0, 0, dma_display.color444(15, 15, 15));
|
|
delay(500);
|
|
|
|
// fix the screen with green
|
|
dma_display.fillRect(0, 0, dma_display.width(), dma_display.height(), dma_display.color444(0, 15, 0));
|
|
delay(500);
|
|
|
|
// draw a box in yellow
|
|
dma_display.drawRect(0, 0, dma_display.width(), dma_display.height(), dma_display.color444(15, 15, 0));
|
|
delay(500);
|
|
|
|
// draw an 'X' in red
|
|
dma_display.drawLine(0, 0, dma_display.width()-1, dma_display.height()-1, dma_display.color444(15, 0, 0));
|
|
dma_display.drawLine(dma_display.width()-1, 0, 0, dma_display.height()-1, dma_display.color444(15, 0, 0));
|
|
delay(500);
|
|
|
|
// draw a blue circle
|
|
dma_display.drawCircle(10, 10, 10, dma_display.color444(0, 0, 15));
|
|
delay(500);
|
|
|
|
// fill a violet circle
|
|
dma_display.fillCircle(40, 21, 10, dma_display.color444(15, 0, 15));
|
|
delay(500);
|
|
|
|
// fill the screen with 'black'
|
|
dma_display.fillScreen(dma_display.color444(0, 0, 0));
|
|
|
|
|
|
// draw some text!
|
|
dma_display.setTextSize(1); // size 1 == 8 pixels high
|
|
dma_display.setTextWrap(false); // Don't wrap at end of line - will do ourselves
|
|
|
|
dma_display.setCursor(5, 0); // start at top left, with 8 pixel of spacing
|
|
uint8_t w = 0;
|
|
char *str = "ESP32 DMA";
|
|
for (w=0; w<9; w++) {
|
|
dma_display.setTextColor(dma_display.color565(255, 0, 255));
|
|
dma_display.print(str[w]);
|
|
}
|
|
|
|
dma_display.println();
|
|
for (w=9; w<18; w++) {
|
|
dma_display.setTextColor(Wheel(w));
|
|
dma_display.print(str[w]);
|
|
}
|
|
dma_display.println();
|
|
//dma_display.setTextColor(dma_display.Color333(4,4,4));
|
|
//dma_display.println("Industries");
|
|
dma_display.setTextColor(dma_display.color444(15,15,15));
|
|
dma_display.println("LED MATRIX!");
|
|
|
|
// print each letter with a rainbow color
|
|
dma_display.setTextColor(dma_display.color444(0,8,15));
|
|
dma_display.print('3');
|
|
dma_display.setTextColor(dma_display.color444(15,4,0));
|
|
dma_display.print('2');
|
|
dma_display.setTextColor(dma_display.color444(15,15,0));
|
|
dma_display.print('x');
|
|
dma_display.setTextColor(dma_display.color444(8,15,0));
|
|
dma_display.print('6');
|
|
dma_display.setTextColor(dma_display.color444(8,0,15));
|
|
dma_display.print('4');
|
|
|
|
// Jump a half character
|
|
dma_display.setCursor(34, 24);
|
|
dma_display.setTextColor(dma_display.color444(0,15,15));
|
|
dma_display.print("*");
|
|
dma_display.setTextColor(dma_display.color444(15,0,0));
|
|
dma_display.print('R');
|
|
dma_display.setTextColor(dma_display.color444(0,15,0));
|
|
dma_display.print('G');
|
|
dma_display.setTextColor(dma_display.color444(0,0,15));
|
|
dma_display.print("B");
|
|
dma_display.setTextColor(dma_display.color444(15,0,8));
|
|
dma_display.println("*");
|
|
|
|
}
|
|
|
|
void loop() {
|
|
// do nothing
|
|
}
|
|
|
|
|
|
// 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 dma_display.color444(15 - WheelPos*2, WheelPos*2, 0);
|
|
} else if(WheelPos < 16) {
|
|
WheelPos -= 8;
|
|
return dma_display.color444(0, 15-WheelPos*2, WheelPos*2);
|
|
} else {
|
|
WheelPos -= 16;
|
|
return dma_display.color444(0, WheelPos*2, 7 - WheelPos*2);
|
|
}
|
|
}
|