新人求助 有关arduino oled屏初始化不成功问题

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_NeoPixel.h>
Adafruit_SSD1306 display(128,64,&Wire,-1);
Adafruit_NeoPixel rgb = Adafruit_NeoPixel(60, 3, NEO_GRB + NEO_KHZ800);
static const unsigned char PROGMEM guang[]=
{
0x01,0x00,0x21,0x08,0x11,0x08,0x09,0x10,0x09,0x20,0x01,0x00,0xFF,0xFE,0x04,0x40,
0x04,0x40,0x04,0x40,0x04,0x40,0x08,0x42,0x08,0x42,0x10,0x42,0x20,0x3E,0xC0,0x00};/*"光",0*/
static const unsigned char PROGMEM zhao[]={
0x00,0x00,0x7D,0xFC,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x94,0x7D,0x08,0x44,0xFC,
0x44,0x84,0x44,0x84,0x44,0x84,0x7C,0xFC,0x00,0x00,0x48,0x88,0x44,0x44,0x84,0x44};/*"照",1*/
static const unsigned char PROGMEM qiang[]={
0x00,0x00,0xF9,0xFC,0x09,0x04,0x09,0x04,0x09,0xFC,0x78,0x20,0x40,0x20,0x43,0xFE,
0x42,0x22,0x7A,0x22,0x0B,0xFE,0x08,0x20,0x08,0x24,0x08,0x22,0x57,0xFE,0x20,0x02};/*"强",2*/
static const unsigned char PROGMEM du[]=
{
0x01,0x00,0x00,0x80,0x3F,0xFE,0x22,0x20,0x22,0x20,0x3F,0xFC,0x22,0x20,0x22,0x20,
0x23,0xE0,0x20,0x00,0x2F,0xF0,0x24,0x10,0x42,0x20,0x41,0xC0,0x86,0x30,0x38,0x0E};/*"度",3*/
#define photosensitivePin A0 // 定义模拟口A0
#define phTimeInterval 1000 // 检测一次的时间间隔
// 控制模式枚举
enum ControlMode { ENV_MODE, GESTURE_MODE };
ControlMode currentMode = ENV_MODE; // 默认环境光模式
// 手势控制参数
int targetBrightness = 50; // 手势目标亮度
int currentBrightness = 0; // 当前实际亮度
const int fadeStep = 3; // 亮度渐变步长
unsigned long lastFadeTime = 0;
const int fadeInterval = 20; // 渐变间隔(ms)
unsigned long phTimes = 0; // 记录设备运行时间
int photosenVal = 0; // 光照度数值
int photoContent = 0;
void setup() {
rgb.begin();
Serial.begin(9600); // 设置串口波特率为9600
pinMode(photosensitivePin, INPUT);
Serial.println("设备运行");
// 初始化 OLED
if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // 地址通常是 0x3C 或 0x3D
Serial.println("OLED 初始化失败！");
while (1); // 如果失败，程序卡死
}
display.clearDisplay(); // 清空屏幕
display.setTextSize(2); // 设置文字大小
display.setTextColor(WHITE); // 设置文字颜色（白色）
display.display(); // 更新显示
}
void loop() {
getPhData(); // 获取光敏电阻的值
}
void getPhData() {
if (millis() - phTimes >= phTimeInterval) {
phTimes = millis();
photosenVal = analogRead(photosensitivePin); // 获取原始值
photosenVal = constrain(photosenVal, 10, 1024);
photoContent = map(photosenVal, 10, 1024, 100, 0);
Serial.print("光照强度: ");
Serial.print(photoContent); // 串口打印对应的值
Serial.println(" %");
display.clearDisplay(); // 清屏
display.drawBitmap(0,0,guang,16,16,1);
display.drawBitmap(16,0,zhao,16,16,1);
display.drawBitmap(32,0,qiang,16,16,1);
display.drawBitmap(48,0,du,16,16,1);
display.setCursor(70, 0);
//display.print("Light:");
display.print(photoContent);
display.print("%");
display.display(); // 更新显示
}
}
这是第一次初始化成功并显示的代码

这是第二次在主代码中加入oled屏幕显示的代码就出现了oled屏幕初始化失败的问题
#include <Adafruit_NeoPixel.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// NeoPixel配置
Adafruit_NeoPixel rgb = Adafruit_NeoPixel(60, 3, NEO_GRB + NEO_KHZ800);
// OLED配置
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1, 400000, 400000);
// 字模数据（适配Adafruit库格式）
static const unsigned char PROGMEM str[][32] = {
{ // 智
0x20,0x00,0x3E,0x7C,0x48,0x44,0x08,0x44,0xFF,0x44,0x14,0x44,0x22,0x7C,0x40,0x00,
0x1F,0xF0,0x10,0x10,0x10,0x10,0x1F,0xF0,0x10,0x10,0x10,0x10,0x1F,0xF0,0x10,0x10
},
{ // 能
0x10,0x40,0x24,0x44,0x42,0x48,0xFF,0x70,0x01,0x40,0x00,0x42,0x7E,0x42,0x42,0x3E,
0x42,0x00,0x7E,0x44,0x42,0x48,0x42,0x70,0x7E,0x40,0x42,0x42,0x4A,0x42,0x44,0x3E
},
{ // 台
0x02,0x00,0x02,0x00,0x04,0x00,0x08,0x20,0x10,0x10,0x20,0x08,0x7F,0xFC,0x20,0x04,
0x00,0x00,0x1F,0xF0,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1F,0xF0,0x10,0x10
},
{ // 灯
0x10,0x00,0x10,0x00,0x13,0xFE,0x10,0x20,0x54,0x20,0x58,0x20,0x50,0x20,0x90,0x20,
0x10,0x20,0x10,0x20,0x10,0x20,0x28,0x20,0x24,0x20,0x44,0x20,0x40,0xA0,0x80,0x40
}
};
// 控制模式枚举
enum ControlMode { ENV_MODE, GESTURE_MODE };
ControlMode currentMode = ENV_MODE;
// 亮度控制参数
int targetBrightness = 50;
int currentBrightness = 0;
const int fadeStep = 3;
unsigned long lastFadeTime = 0;
const int fadeInterval = 20;
// 环境光参数
#define photosensitivePin A0
#define phTimeInterval 300
unsigned long phTimes = 0;
int photoContent = 0;
void setup() {
Serial.begin(9600);
rgb.begin();
pinMode(photosensitivePin, INPUT);
// OLED初始化
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;);
}
display.display();
delay(1000);
display.clearDisplay();
showTitle();
Serial.println("System Ready [ENV Mode]");
}
void loop() {
checkSerialCommands();
if (currentMode == ENV_MODE) {
handleEnvBrightness();
} else {
handleGestureBrightness();
}
updateLEDs();
updateOLEDDisplay();
}
void checkSerialCommands() {
if (Serial.available() > 0) {
String command = Serial.readStringUntil('\n');
command.trim();
if (command.startsWith("BRIGHT:")) {
targetBrightness = command.substring(7).toInt();
targetBrightness = constrain(targetBrightness, 0, 100);
Serial.print("Set Brightness: ");
Serial.println(targetBrightness);
}
else if (command == "GESTURE_ON") {
currentMode = GESTURE_MODE;
Serial.println("[Gesture Mode]");
}
else if (command == "GESTURE_OFF") {
currentMode = ENV_MODE;
Serial.println("[Env Mode]");
}
}
}
void handleEnvBrightness() {
if (millis() - phTimes >= phTimeInterval) {
phTimes = millis();
int raw = analogRead(photosensitivePin);
raw = constrain(raw, 10, 1024);
photoContent = map(raw, 10, 1024, 100, 0);
currentBrightness = map(100 - photoContent, 0, 100, 0, 255);
}
}
void handleGestureBrightness() {
if (millis() - lastFadeTime >= fadeInterval) {
lastFadeTime = millis();
int target = map(targetBrightness, 0, 100, 0, 255);
if (currentBrightness < target) {
currentBrightness = min(currentBrightness + fadeStep, target);
} else if (currentBrightness > target) {
currentBrightness = max(currentBrightness - fadeStep, target);
}
}
}
void updateLEDs() {
rgb.setBrightness(currentBrightness);
colorWipe(rgb.Color(248, 141, 30), 0);
}
void colorWipe(uint32_t color, int wait) {
for (int i = 0; i < rgb.numPixels(); i++) {
rgb.setPixelColor(i, color);
}
rgb.show();
delay(wait);
}
// OLED显示功能
void showTitle() {
display.clearDisplay();
// 显示汉字（每个字16x16像素）
display.drawBitmap(0, 0, str[0], 16, 16, SSD1306_WHITE); // 智
display.drawBitmap(16, 0, str[1], 16, 16, SSD1306_WHITE); // 能
display.drawBitmap(32, 0, str[2], 16, 16, SSD1306_WHITE); // 台
display.drawBitmap(48, 0, str[3], 16, 16, SSD1306_WHITE); // 灯
display.display();
}
void updateOLEDDisplay() {
static unsigned long lastUpdate = 0;
static int lastBright = -1;
static ControlMode lastMode = ControlMode(-1);
if (millis() - lastUpdate < 500 && lastBright == currentBrightness && lastMode == currentMode) {
return;
}
lastUpdate = millis();
lastBright = currentBrightness;
lastMode = currentMode;
display.clearDisplay();
// 显示标题
display.drawBitmap(0, 0, str[0], 16, 16, SSD1306_WHITE);
display.drawBitmap(16, 0, str[1], 16, 16, SSD1306_WHITE);
display.drawBitmap(32, 0, str[2], 16, 16, SSD1306_WHITE);
display.drawBitmap(48, 0, str[3], 16, 16, SSD1306_WHITE);
// 显示模式
display.setTextSize(1);
display.setTextColor(SSD1306_WHITE);
display.setCursor(80, 4);
display.print(currentMode == ENV_MODE ? "Env" : "Gesture");
// 亮度进度条
int progress = map(currentBrightness, 0, 255, 0, 100);
display.drawRect(0, 20, 128, 12, SSD1306_WHITE);
display.fillRect(2, 22, (progress * 124)/100, 8, SSD1306_WHITE);
// 亮度百分比
display.setCursor(40, 35);
display.setTextSize(1);
char buffer[20];
snprintf(buffer, sizeof(buffer), "Bright: %d%%", progress);
display.setCursor(40, 35);
display.print(buffer);
display.display();
}