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2025-03-21 09:59:09 +01:00
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+/**
+ *
+ * @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      CustomCallbackTouchDrvInterface.ino
+ * @author    Lewis He (lewishe@outlook.com)
+ * @date      2025-01-21
+ * @note      CustomCallbackTouchDrvInterface 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.
+ *            The example demonstrates using custom callbacks to read touch or sensors. This method is also applicable to other platforms.
+ *            The prerequisite compilation platform must support C++11.
+ */
+#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;
+
+/**
+ * @brief  i2c_wr_function
+ * @note   I2C communication using custom callbacks
+ * @param  addr: 7-Bit Device Address
+ * @param  reg: Register address, only needs to be written when writeReg is true
+ * @param  *buf: When isWrite is true, it represents the written buf, otherwise it is the read data buffer
+ * @param  len: When isWrite is true, it indicates the length of data written , otherwise it is the data read length
+ * @param  writeReg: writeReg is the register address that needs to be written, otherwise the register address is not written
+ * @param  isWrite: Data write and read direction, true means write, false means read
+ * @retval True means the device is executed successfully, false means it fails
+ */
+bool i2c_wr_function(uint8_t addr, uint8_t reg, uint8_t *buf, size_t len, bool writeReg, bool isWrite)
+{
+    if (isWrite) {
+        Wire.beginTransmission(addr);
+        if (writeReg) {
+            Wire.write(reg);
+        }
+        if (buf && len > 0) {
+            Wire.write(buf, len);
+        }
+        return (Wire.endTransmission() == 0);
+    } else {
+        if (writeReg) {
+            Wire.beginTransmission(addr);
+            Wire.write(reg);
+            Wire.endTransmission();
+        }
+        Wire.requestFrom(addr, static_cast<uint8_t>(len));
+        for (size_t i = 0; i < len; ++i) {
+            if (Wire.available()) {
+                buf[i] = Wire.read();
+            } else {
+                return false;
+            }
+        }
+        return true;
+    }
+}
+
+
+uint32_t hal_callback(SensorCommCustomHal::Operation op, void *param1, void *param2)
+{
+    switch (op) {
+    // Set GPIO mode
+    case SensorCommCustomHal::OP_PINMODE: {
+        uint8_t pin = reinterpret_cast<uintptr_t>(param1);
+        uint8_t mode = reinterpret_cast<uintptr_t>(param2);
+        pinMode(pin, mode);
+    }
+    break;
+    // Set GPIO level
+    case SensorCommCustomHal::OP_DIGITALWRITE: {
+        uint8_t pin = reinterpret_cast<uintptr_t>(param1);
+        uint8_t level = reinterpret_cast<uintptr_t>(param2);
+        digitalWrite(pin, level);
+    }
+    break;
+    // Read GPIO level
+    case SensorCommCustomHal::OP_DIGITALREAD: {
+        uint8_t pin = reinterpret_cast<uintptr_t>(param1);
+        return digitalRead(pin);
+    }
+    break;
+    // Get the current running milliseconds
+    case SensorCommCustomHal::OP_MILLIS:
+        return millis();
+
+    // Delay in milliseconds
+    case SensorCommCustomHal::OP_DELAY: {
+        if (param1) {
+            uint32_t ms = reinterpret_cast<uintptr_t>(param1);
+            delay(ms);
+        }
+    }
+    break;
+    // Delay in microseconds
+    case SensorCommCustomHal::OP_DELAYMICROSECONDS: {
+        uint32_t us = reinterpret_cast<uintptr_t>(param1);
+        delayMicroseconds(us);
+    }
+    break;
+    default:
+        break;
+    }
+    return 0;
+}
+
+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(i2c_wr_function, hal_callback, CST816_SLAVE_ADDRESS);
+    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(i2c_wr_function, hal_callback, GT911_SLAVE_ADDRESS_L);
+    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(i2c_wr_function, hal_callback, FT3267_SLAVE_ADDRESS);
+    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(i2c_wr_function, XL9555_UNKOWN_ADDRESS)) {
+        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);
+}
+
+
+
+