【Arduino】189种传感器模块系列实验(资料代码+仿真编程+图形编程)
实验二百四十九:1.28寸圆形彩色TFT显示屏 高清IPS 模块 240*240 SPI接口GC9A01驱动
项目之九十:GC9A01园屏之动态变化的两个绿色圆形模拟双眼
实验开源代码
- /*
- 【Arduino】189种传感器模块系列实验(资料代码+仿真编程+图形编程)
- 实验二百四十九:1.28寸圆形彩色TFT显示屏 高清IPS 模块 240*240 SPI接口GC9A01驱动
- 项目之九十:GC9A01园屏之动态变化的两个绿色圆形模拟双眼
- */
-
- // GC9A01---------- ESP32
- // RST ------------ NC(复位引脚,此处未连接)
- // CS ------------- D4(片选引脚,连接到ESP32的D4引脚)
- // DC ------------- D2(数据/命令选择引脚,连接到ESP32的D2引脚)
- // SDA ------------ D23 (green)(主数据输出引脚,连接到ESP32的D23引脚,绿色线)
- // SCL ------------ D18 (yellow)(时钟信号引脚,连接到ESP32的D18引脚,黄色线)
- // GND ------------ GND(接地引脚,连接到ESP32的接地端)
- // VCC -------------3V3(电源引脚,连接到ESP32的3.3V电源)
-
- #include "SPI.h"
- #include "Adafruit_GFX.h"
- #include "Adafruit_GC9A01A.h"
-
- #define TFT_CS 4
- #define TFT_DC 2
- #define TFT_RST -1
-
- Adafruit_GC9A01A tft = Adafruit_GC9A01A(TFT_CS, TFT_DC, TFT_RST);
-
- #define SCREEN_WIDTH 240
- #define SCREEN_HEIGHT 240
- #define CENTER_Y SCREEN_HEIGHT / 2
- #define EYE_RADIUS 30 // **眼睛半径**
- #define PUPIL_RADIUS 10 // **瞳孔半径**
- #define EYE_SPACING 70 // **两眼间距**
- #define MOVE_DISTANCE 40 // **左右移动距离**
- #define SPEED 15 // **动画速度**
-
- int eyeOffsetX = 0;
- bool movingRight = true;
- int expression = 0; // **0: 正常, 1: 笑, 2: 哭**
-
- void drawSmile(int x, int y) {
- for (int angle = 0; angle <= 180; angle += 5) {
- float radian = angle * M_PI / 180;
- int x1 = x + 15 * cos(radian);
- int y1 = y + 10 * sin(radian);
- int x2 = x + 15 * cos(radian + 5 * M_PI / 180);
- int y2 = y + 10 * sin(radian + 5 * M_PI / 180);
- tft.drawLine(x1, y1, x2, y2, tft.color565(255, 255, 255));
- }
- }
-
- void setup() {
- Serial.begin(115200);
- tft.begin();
- tft.setRotation(2);
- }
-
- void loop() {
- tft.fillScreen(tft.color565(0, 0, 0));
-
- int leftEyeX = SCREEN_WIDTH / 2 - EYE_SPACING / 2 + eyeOffsetX;
- int rightEyeX = SCREEN_WIDTH / 2 + EYE_SPACING / 2 + eyeOffsetX;
-
- // **绘制双眼**
- tft.fillCircle(leftEyeX, CENTER_Y, EYE_RADIUS, tft.color565(0, 255, 0)); // **左眼**
- tft.fillCircle(rightEyeX, CENTER_Y, EYE_RADIUS, tft.color565(0, 255, 0)); // **右眼**
-
- // **绘制瞳孔**
- tft.fillCircle(leftEyeX, CENTER_Y, PUPIL_RADIUS, tft.color565(0, 0, 0));
- tft.fillCircle(rightEyeX, CENTER_Y, PUPIL_RADIUS, tft.color565(0, 0, 0));
-
- // **绘制表情**
- if (expression == 1) { // **笑**
- drawSmile(leftEyeX, CENTER_Y + 10);
- drawSmile(rightEyeX, CENTER_Y + 10);
- } else if (expression == 2) { // **哭**
- tft.fillCircle(leftEyeX, CENTER_Y + 15, 5, tft.color565(0, 0, 255)); // **左眼泪**
- tft.fillCircle(rightEyeX, CENTER_Y + 15, 5, tft.color565(0, 0, 255)); // **右眼泪**
- }
-
- // **更新眼睛左右移动**
- if (movingRight) {
- eyeOffsetX += SPEED;
- if (eyeOffsetX >= MOVE_DISTANCE) movingRight = false;
- } else {
- eyeOffsetX -= SPEED;
- if (eyeOffsetX <= -MOVE_DISTANCE) movingRight = true;
- }
-
- // **切换表情**
- expression = (expression + 1) % 3;
-
- delay(500);
- }
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