ArduinoUnoR4WiFi: LEDマトリックスにカウントを表示

プログラム

display_count.ino

// ---------------------------------------------------------------------
/*
	display_count.ino

					May/12/2024

*/
// ---------------------------------------------------------------------
// To use ArduinoGraphics APIs, please include BEFORE Arduino_LED_Matrix
#include "ArduinoGraphics.h"
#include "Arduino_LED_Matrix.h"

ArduinoLEDMatrix matrix;

int icount = 0;

// ---------------------------------------------------------------------
void setup() {
	Serial.begin(115200);
	matrix.begin();

	matrix.beginDraw();
	matrix.stroke(0xFFFFFFFF);
	// add some static text
	// will only show "UNO" (not enough space on the display)

	const char text[] = "UNO r4";
	matrix.textFont(Font_4x6);
	matrix.beginText(0, 1, 0xFFFFFF);
	matrix.println(text);
	matrix.endText();

	matrix.endDraw();

	delay(2000);
}

// ---------------------------------------------------------------------
void loop()
{
	display_proc(icount);
	delay(1000);
	icount++;
}

// ---------------------------------------------------------------------
void display_proc(int icount)
{
	char text_in[10] = "";
	sprintf(text_in,"%03d",icount);
	matrix.beginDraw();
	matrix.stroke(0xFFFFFFFF);
	matrix.textFont(Font_4x6);
	matrix.beginText(0, 1, 0xFFFFFF);
	matrix.println(text_in);
	matrix.endText();

	matrix.endDraw();
}

// ---------------------------------------------------------------------