Added CapacitiveTouch examples

CapacitiveTouch/CapacitiveTouch.ino

@@ -0,0 +1,145 @@
+/**
+ * @file      CapacitiveTouch.ino
+ * @author    Lewis He (lewishe@outlook.com)
+ * @license   MIT
+ * @copyright Copyright (c) 2024  Shenzhen Xin Yuan Electronic Technology Co., Ltd
+ * @date      2024-05-15
+ *
+ */
+#include <Wire.h>
+#include <SPI.h>
+#include <Arduino.h>
+#include <TouchDrvCSTXXX.hpp>
+#include <TFT_eSPI.h>
+#include "image.h"
+#define PIN_LCD_BL                   38
+#define PIN_LCD_D0                   39
+#define PIN_LCD_D1                   40
+#define PIN_LCD_D2                   41
+#define PIN_LCD_D3                   42
+#define PIN_LCD_D4                   45
+#define PIN_LCD_D5                   46
+#define PIN_LCD_D6                   47
+#define PIN_LCD_D7                   48
+#define PIN_POWER_ON                 15
+#define PIN_LCD_RES                  5
+#define PIN_LCD_CS                   6
+#define PIN_LCD_DC                   7
+#define PIN_LCD_WR                   8
+#define PIN_LCD_RD                   9
+#define PIN_BUTTON_1                 0
+#define PIN_BUTTON_2                 14
+#define PIN_BAT_VOLT                 4
+#define BOARD_I2C_SCL                  17
+#define BOARD_I2C_SDA                  18
+#define BOARD_TOUCH_IRQ                16
+#define BOARD_TOUCH_RST                21
+
+
+
+TFT_eSPI tft = TFT_eSPI();
+TFT_eSprite spr = TFT_eSprite(&tft);
+
+TouchDrvCSTXXX touch;
+int16_t x[5], y[5];
+
+void setup()
+{
+    Serial.begin(115200);
+
+    // Initialize screen , The backlight Pin has been configured in TFT_eSPI(TFT_eSPI/User_Setups/Setup214_LilyGo_T_Display_S3_Pro.h).
+    // By default, the backlight is turned on after initializing the TFT.
+    tft.init();
+    tft.setRotation(1);
+    tft.fillScreen(TFT_BLACK);
+
+    // Initialize capacitive touch
+    touch.setPins(BOARD_TOUCH_RST, BOARD_TOUCH_IRQ);
+
+    if (!touch.begin(Wire, CST328_SLAVE_ADDRESS, BOARD_I2C_SDA, BOARD_I2C_SCL)) {
+        Serial.println("Failed init CST328 Device!");
+        if (!touch.begin(Wire, CST816_SLAVE_ADDRESS, BOARD_I2C_SDA, BOARD_I2C_SCL)) {
+            Serial.println("Failed init CST816 Device!");
+            while (1) {
+                Serial.println("Not find touch device!"); delay(1000);
+            }
+        }
+    }
+
+
+    // tft.setSwapBytes(true);
+    tft.pushColors((uint16_t *)image, tft.width() * tft.height(), true);
+
+    spr.setColorDepth(8);
+    spr.createSprite(tft.width(), 60);
+    spr.fillSprite(TFT_LIGHTGREY);
+    spr.setTextDatum(CL_DATUM);
+    spr.setTextColor(TFT_BLACK, TFT_LIGHTGREY);
+    spr.drawString("Powered By LilyGo ST7796 320x170 IPS TFT", 5, 10, 2);
+    spr.pushSprite(0, tft.height() - 60);
+
+}
+
+void loop()
+{
+    uint8_t touched = touch.getPoint(x, y, touch.getSupportTouchPoint());
+    if (touched) {
+        String buf = "";
+        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(" ");
+
+            buf += "[" + String(i) + "]:";
+            buf += String(x[i]);
+            buf += " ";
+            buf += " [" + String(i) + "]:";
+            buf += String(y[i]);
+            buf += " ";
+        }
+        Serial.println();
+        spr.drawString("Powered By LilyGo ST7789 320x170 IPS TFT", 5, 10, 2);
+        spr.drawString(buf, 5, 30, 2);
+        spr.pushSprite(0, tft.height() - 60);
+        spr.fillSprite(TFT_LIGHTGREY);
+    }
+
+    delay(5);
+}
+
+
+
+// TFT Pin check
+#if PIN_LCD_WR  != TFT_WR || \
+    PIN_LCD_RD  != TFT_RD || \
+    PIN_LCD_CS    != TFT_CS   || \
+    PIN_LCD_DC    != TFT_DC   || \
+    PIN_LCD_RES   != TFT_RST  || \
+    PIN_LCD_D0   != TFT_D0  || \
+    PIN_LCD_D1   != TFT_D1  || \
+    PIN_LCD_D2   != TFT_D2  || \
+    PIN_LCD_D3   != TFT_D3  || \
+    PIN_LCD_D4   != TFT_D4  || \
+    PIN_LCD_D5   != TFT_D5  || \
+    PIN_LCD_D6   != TFT_D6  || \
+    PIN_LCD_D7   != TFT_D7  || \
+    PIN_LCD_BL   != TFT_BL  || \
+    TFT_BACKLIGHT_ON   != HIGH  || \
+    170   != TFT_WIDTH  || \
+    320   != TFT_HEIGHT
+#error  "Error! Please make sure <User_Setups/Setup206_LilyGo_T_Display_S3.h> is selected in <TFT_eSPI/User_Setup_Select.h>"
+#error  "Error! Please make sure <User_Setups/Setup206_LilyGo_T_Display_S3.h> is selected in <TFT_eSPI/User_Setup_Select.h>"
+#error  "Error! Please make sure <User_Setups/Setup206_LilyGo_T_Display_S3.h> is selected in <TFT_eSPI/User_Setup_Select.h>"
+#error  "Error! Please make sure <User_Setups/Setup206_LilyGo_T_Display_S3.h> is selected in <TFT_eSPI/User_Setup_Select.h>"
+#endif
+
+#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5,0,0)
+#error  "The current version is not supported for the time being, please use a version below Arduino ESP32 3.0"
+#endif