M5Paper: タッチパネルの使い方

touch_counter.ino

// ---------------------------------------------------------------
//	touch_counter.ino
//
//						Jun/09/2022
// ---------------------------------------------------------------
#include <M5EPD.h>

M5EPD_Canvas canvas(&M5.EPD);

int	value = 0;
int	ncount = 0;
int	point[2]; 
// ---------------------------------------------------------------
void setup() {
  // put your setup code here, to run once:
	M5.begin();
	M5.EPD.SetRotation(90);
	M5.TP.SetRotation(90);
	M5.EPD.Clear(true);
	canvas.createCanvas(540, 960);
	canvas.setTextSize(5);


	canvas.fillTriangle(200, 300, 300,300, 250,200, WHITE);
	canvas.drawRect(200, 200, 100, 100, WHITE);
	
	canvas.fillTriangle(200, 500, 300,500, 250,600, WHITE);
	canvas.drawRect(200, 500, 100, 100, WHITE);
	
	canvas.drawString(String(value),200,400);

	canvas.drawString("ncount = " + String(ncount),50,50);
	canvas.pushCanvas(0,0,UPDATE_MODE_DU4);

	Serial.printf("ncount = %d\r\n",ncount);
	Serial.println("*** setup *** end ***");
}

// ---------------------------------------------------------------
void loop() {
  // put your main code here, to run repeatedly:

	if(M5.TP.avaliable()){
		if(!M5.TP.isFingerUp()){
			if (finger_get_proc())
				{
				value_hantei_proc();
				canvas.drawString(String(value) + "  ",200,400);
 				canvas.pushCanvas(0,0,UPDATE_MODE_DU4);
				}
			}
		}
}

// ---------------------------------------------------------------
bool finger_get_proc()
{
	bool is_update = false;
	M5.TP.update();
	tp_finger_t FingerItem = M5.TP.readFinger(0);
	if ((point[0] != FingerItem.x) || (point[1] != FingerItem.y))
		{
		is_update = true;
		ncount++;
		Serial.printf("ncount = %d\r\n",ncount);
		canvas.drawString("ncount = " + String(ncount),50,50);
		point[0] = FingerItem.x;
		point[1] = FingerItem.y;
		Serial.printf("Finger ID:%d-->X: %d 	Y: %d	Size: %d\r\n", FingerItem.id, FingerItem.x, FingerItem.y , FingerItem.size);
		}

	return is_update;
}

// ---------------------------------------------------------------
void value_hantei_proc()
{
	if ((200 <= point[0]) && (point[0] <= 300))
		{
		if (point[1] <= 300)
			{
			value++;
			}
		else if (500 <= point[1])
			{
			value--;
			}
		}
}

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

Arduino IDE