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TFT-ESP32/test/README

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+
+This directory is intended for PlatformIO Test Runner and project tests.
+
+Unit Testing is a software testing method by which individual units of
+source code, sets of one or more MCU program modules together with associated
+control data, usage procedures, and operating procedures, are tested to
+determine whether they are fit for use. Unit testing finds problems early
+in the development cycle.
+
+More information about PlatformIO Unit Testing:
+- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html

TFT-ESP32/test/test.cpp

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+#include <TFT_eSPI.h> // TFT 显示屏库
+
+TFT_eSPI tft = TFT_eSPI(); // 初始化 TFT 实例
+
+const int screenWidth = 240; // 根据你的屏幕分辨率设置
+const int screenHeight = 320;
+const int byteWidth = (screenWidth + 7) / 8; // 每行需要的字节数
+
+// 数组用于存储二值化后的屏幕数据
+uint8_t binaryImage[screenHeight][byteWidth];
+
+// 将屏幕数据读取并二值化，存储到数组中
+void binaryScreenToArray()
+{
+    for (int y = 0; y < screenHeight; y++)
+    {
+        uint8_t byteValue = 0;
+        for (int x = 0; x < screenWidth; x++)
+        {
+            // 读取像素颜色
+            uint16_t color = tft.readPixel(x, y);
+
+            // 将颜色二值化（假设TFT_WHITE为白色，其它为黑色）
+            if (color == TFT_WHITE)
+            {
+                byteValue |= (1 << (7 - (x % 8))); // 设置当前位为1（白色）
+            }
+
+            // 每8个像素存储为一个字节
+            if (x % 8 == 7 || x == screenWidth - 1)
+            {
+                binaryImage[y][x / 8] = byteValue;
+                byteValue = 0;
+            }
+        }
+    }
+}
+
+// 将二值化后的屏幕数据通过串口发送到电脑，值之间用逗号隔开
+void sendArrayToPC()
+{
+    Serial.println("Start sending binary screen data:");
+
+    for (int y = 0; y < screenHeight; y++)
+    {
+        for (int x = 0; x < byteWidth; x++)
+        {
+            Serial.print(binaryImage[y][x], HEX); // 以十六进制格式发送每个字节
+
+            // 如果不是最后一个字节，则添加逗号
+            if (x < byteWidth - 1)
+            {
+                Serial.print(","); // 用逗号分隔
+            }
+        }
+        Serial.println(); // 每行结束后换行
+    }
+
+    Serial.println("Binary screen data sent.");
+}
+
+void setup()
+{
+    Serial.begin(115200);      // 初始化串口通信
+    tft.init();                // 初始化屏幕
+    tft.setRotation(1);        // 根据需要设置屏幕的旋转
+    tft.fillScreen(TFT_BLACK); // 将屏幕设置为黑色
+
+    // 绘制一些内容（测试用）
+    tft.fillCircle(120, 160, 50, TFT_WHITE); // 在屏幕中间绘制一个白色的圆圈
+
+    // 读取并二值化屏幕内容
+    binaryScreenToArray();
+
+    // 将二值化后的数组通过串口传输到电脑
+    sendArrayToPC();
+}
+
+void loop()
+{
+    // 主要功能在 setup 中执行，loop 中不做任何操作
+}

TFT-ESP32/test/testmain.cpp

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+//<App !Start!>
+// FILE: [main.cpp]
+// Created by GUIslice Builder version: [0.17.b34]
+//
+// GUIslice Builder Generated File
+//
+// For the latest guides, updates and support view:
+// https://github.com/ImpulseAdventure/GUIslice
+//
+//<App !End!>
+
+// ------------------------------------------------
+// Headers to include
+// ------------------------------------------------
+#include "GUIsliceProjects_GSLC.h"
+
+// ------------------------------------------------
+// Program Globals
+// ------------------------------------------------
+
+// Save some element references for direct access
+//<Save_References !Start!>
+//<Save_References !End!>
+
+// Define debug message function
+static int16_t DebugOut(char ch)
+{
+    if (ch == (char)'\n')
+        Serial.println("");
+    else
+        Serial.write(ch);
+    return 0;
+}
+
+// ------------------------------------------------
+// Callback Methods
+// ------------------------------------------------
+// Common Button callback
+bool CbBtnCommon(void *pvGui, void *pvElemRef, gslc_teTouch eTouch, int16_t nX, int16_t nY)
+{
+    // Typecast the parameters to match the GUI and element types
+    gslc_tsGui *pGui = (gslc_tsGui *)(pvGui);
+    gslc_tsElemRef *pElemRef = (gslc_tsElemRef *)(pvElemRef);
+    gslc_tsElem *pElem = gslc_GetElemFromRef(pGui, pElemRef);
+
+    if (eTouch == GSLC_TOUCH_UP_IN)
+    {
+        // From the element's ID we can determine which button was pressed.
+        switch (pElem->nId)
+        {
+            //<Button Enums !Start!>
+        case E_ELEM_BTN1:
+            break;
+        case E_ELEM_BTN2:
+            break;
+            //<Button Enums !End!>
+        default:
+            break;
+        }
+    }
+    return true;
+}
+//<Checkbox Callback !Start!>
+//<Checkbox Callback !End!>
+//<Keypad Callback !Start!>
+//<Keypad Callback !End!>
+//<Spinner Callback !Start!>
+//<Spinner Callback !End!>
+//<Listbox Callback !Start!>
+//<Listbox Callback !End!>
+//<Draw Callback !Start!>
+//<Draw Callback !End!>
+//<Slider Callback !Start!>
+//<Slider Callback !End!>
+//<Tick Callback !Start!>
+//<Tick Callback !End!>
+
+void setup()
+{
+    // ------------------------------------------------
+    // Initialize
+    // ------------------------------------------------
+    Serial.begin(9600);
+    // Wait for USB Serial
+    // delay(1000);  // NOTE: Some devices require a delay after Serial.begin() before serial port can be used
+
+    gslc_InitDebug(&DebugOut);
+
+    // ------------------------------------------------
+    // Create graphic elements
+    // ------------------------------------------------
+    InitGUIslice_gen();
+}
+
+// -----------------------------------
+// Main event loop
+// -----------------------------------
+void loop()
+{
+
+    // ------------------------------------------------
+    // Update GUI Elements
+    // ------------------------------------------------
+
+    // TODO - Add update code for any text, gauges, or sliders
+
+    // ------------------------------------------------
+    // Periodically call GUIslice update function
+    // ------------------------------------------------
+    gslc_Update(&m_gui);
+}