2025-03-21 09:59:09 +01:00

208 lines
6.2 KiB
C++

/**
*
* @license MIT License
*
* Copyright (c) 2025 lewis he
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* @file TouchDrvInterface_Example.ino
* @author Lewis He (lewishe@outlook.com)
* @date 2025-01-20
* @note TouchDrvInterface_Example use LilyGo T-RGB,T-RGB has three types of screens, each of which uses different touch driver chips.
* The example demonstrates using the touch interface class and one sketch is suitable for three types of touch chips.
*/
#include <Wire.h>
#include <SPI.h>
#include <Arduino.h>
#include "TouchDrvFT6X36.hpp"
#include "TouchDrvCSTXXX.hpp"
#include "TouchDrvGT911.hpp"
#include "ExtensionIOXL9555.hpp"
#include "SensorWireHelper.h"
#ifndef TOUCH_SDA
#define TOUCH_SDA 8
#endif
#ifndef TOUCH_SCL
#define TOUCH_SCL 48
#endif
#ifndef TOUCH_IRQ
#define TOUCH_IRQ 1
#endif
#ifndef TOUCH_RST
#define TOUCH_RST 1
#endif
// Use the TouchDrvInterface base class for automatic discovery and use of multi-touch devices
TouchDrvInterface *touchDrv;
// T-RGB uses XL9555 as the reset control of the touch screen
ExtensionIOXL9555 extension;
int16_t x[5], y[5];
ExtensionIOXL9555::ExtensionGPIO tp_reset = ExtensionIOXL9555::IO1;
void TouchDrvDigitalWrite(uint8_t gpio, uint8_t level)
{
if (gpio & 0x80) {
extension.digitalWrite(gpio & 0x7F, level);
} else {
digitalWrite(gpio, level);
}
}
uint8_t TouchDrvDigitalRead(uint8_t gpio)
{
if (gpio & 0x80) {
return extension.digitalRead(gpio & 0x7F);
} else {
return digitalRead(gpio);
}
}
void TouchDrvPinMode(uint8_t gpio, uint8_t mode)
{
if (gpio & 0x80) {
extension.pinMode(gpio & 0x7F, mode);
} else {
pinMode(gpio, mode);
}
}
bool setupTouchDrv()
{
// Add the highest bit to indicate that the GPIO extension is used, not the ESP's GPIO
const uint8_t touch_reset_pin = tp_reset | 0x80;
const uint8_t touch_irq_pin = TOUCH_IRQ;
bool result = false;
touchDrv = new TouchDrvCSTXXX();
touchDrv->setGpioCallback(TouchDrvPinMode, TouchDrvDigitalWrite, TouchDrvDigitalRead);
touchDrv->setPins(touch_reset_pin, touch_irq_pin);
result = touchDrv->begin(Wire, CST816_SLAVE_ADDRESS, TOUCH_SDA, TOUCH_SCL);
if (result) {
const char *model = touchDrv->getModelName();
Serial.print("Successfully initialized "); Serial.print(model);
Serial.print(",using "); Serial.print(model); Serial.println(" Driver!");
return true;
}
delete touchDrv;
touchDrv = new TouchDrvGT911();
touchDrv->setGpioCallback(TouchDrvPinMode, TouchDrvDigitalWrite, TouchDrvDigitalRead);
touchDrv->setPins(touch_reset_pin, touch_irq_pin);
result = touchDrv->begin(Wire, GT911_SLAVE_ADDRESS_L, TOUCH_SDA, TOUCH_SCL);
if (result) {
const char *model = touchDrv->getModelName();
Serial.print("Successfully initialized "); Serial.print(model);
Serial.print(",using "); Serial.print(model); Serial.println(" Driver!");
return true;
}
delete touchDrv;
touchDrv = new TouchDrvFT6X36();
touchDrv->setGpioCallback(TouchDrvPinMode, TouchDrvDigitalWrite, TouchDrvDigitalRead);
touchDrv->setPins(touch_reset_pin, touch_irq_pin);
result = touchDrv->begin(Wire, FT3267_SLAVE_ADDRESS, TOUCH_SDA, TOUCH_SCL);
if (result) {
TouchDrvFT6X36 *tmp = static_cast<TouchDrvFT6X36 *>(touchDrv);
tmp->interruptTrigger();
const char *model = touchDrv->getModelName();
Serial.print("Successfully initialized "); Serial.print(model);
Serial.print(",using "); Serial.print(model); Serial.println(" Driver!");
return true;
}
delete touchDrv;
Serial.println("Unable to find touch device.");
touchDrv = NULL;
return false;
}
void setup()
{
Serial.begin(115200);
while (!Serial);
Serial.println("Start!");
#if (defined(ARDUINO_ARCH_RP2040) || defined(ARDUINO_ARCH_STM32)) && !defined(ARDUINO_ARCH_MBED)
Wire.setSCL(TOUCH_SCL);
Wire.setSDA(TOUCH_SDA);
Wire.begin();
#elif defined(ARDUINO_ARCH_NRF52)
Wire.setPins(TOUCH_SDA, TOUCH_SCL);
Wire.begin();
#elif defined(ARDUINO_ARCH_ESP32)
Wire.begin(TOUCH_SDA, TOUCH_SCL);
#else
Wire.begin();
#endif
SensorWireHelper::dumpDevices(Wire);
// Use unspecified address to test the address discovery function.
// T-RGB XL9555 uses 0X20 device address
if (!extension.begin(Wire, XL9555_UNKOWN_ADDRESS, TOUCH_SDA, TOUCH_SCL)) {
Serial.println("Failed to find XL9555 - check your wiring!");
while (1) {
delay(1000);
}
}
if (!setupTouchDrv()) {
while (1) {
delay(3000);
}
}
}
void loop()
{
if (touchDrv->isPressed()) {
uint8_t touched = touchDrv->getPoint(x, y, touchDrv->getSupportTouchPoint());
if (touched) {
for (int i = 0; i < touched; ++i) {
Serial.print("X[");
Serial.print(i);
Serial.print("]:");
Serial.print(x[i]);
Serial.print(" ");
Serial.print(" Y[");
Serial.print(i);
Serial.print("]:");
Serial.print(y[i]);
Serial.print(" ");
}
Serial.println();
}
}
delay(5);
}