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#define TOUCH_MODULES_GT911
//#define TOUCH_MODULES_CST_SELF
//#define TOUCH_MODULES_CST_MUTUAL
//#define TOUCH_MODULES_ZTW622
//#define TOUCH_MODULES_L58
#include "Arduino.h"
#include "TouchLib.h"
#include "Wire.h"
#define PIN_IIC_SCL 48
#define PIN_IIC_SDA 8
#define PIN_TOUCH_INT 1
#define PIN_TOUCH_RES 2
#define TOUCH_READ_FROM_INTERRNUPT 0
TouchLib touch(Wire, PIN_IIC_SDA, PIN_IIC_SCL, GT911_SLAVE_ADDRESS2);
void scan_i2c_device(TwoWire &i2c)
{
Serial.println("Scanning for I2C devices ...");
Serial.print(" ");
for (int i = 0; i < 0x10; i++)
{
Serial.printf("0x%02X|", i);
}
uint8_t error;
for (int j = 0; j < 0x80; j += 0x10)
{
Serial.println();
Serial.printf("0x%02X |", j);
for (int i = 0; i < 0x10; i++)
{
Wire.beginTransmission(i | j);
error = Wire.endTransmission();
if (error == 0)
Serial.printf("0x%02X|", i | j);
else
Serial.print(" -- |");
}
}
Serial.println();
}
bool get_int = false;
void setup()
{
Serial.begin(115200);
Serial.println("Hello T-Display-S3");
pinMode(PIN_TOUCH_RES, OUTPUT);
digitalWrite(PIN_TOUCH_RES, 0);
delay(200);
digitalWrite(PIN_TOUCH_RES, 1);
delay(200);
Wire.begin(PIN_IIC_SDA, PIN_IIC_SCL);
scan_i2c_device(Wire);
touch.init();
#if (TOUCH_READ_FROM_INTERRNUPT)
attachInterrupt(
PIN_TOUCH_INT,
[]
{
get_int = 1;
Serial.println("get_int");
},
CHANGE);
#endif
}
void loop()
{
delay(5);
#if (TOUCH_READ_FROM_INTERRNUPT)
if (get_int)
{
get_int = 0;
touch.read();
#else
if (touch.read())
{
#endif
uint8_t n = touch.getPointNum();
Serial.printf("getPointNum: %d ", n);
for (uint8_t i = 0; i < n; i++)
{
TP_Point t = touch.getPoint(i);
Serial.printf("[%d] point x: %d point y: %d \r\n", i, t.x, t.y);
}
}
}