784 lines
24 KiB
C++
784 lines
24 KiB
C++
#include <SPI.h>
|
||
#include <MFRC522.h>
|
||
#include <FastLED.h>
|
||
#include <Arduino.h>
|
||
#include <driver/ledc.h>
|
||
|
||
// RFID引脚定义
|
||
#define RFID_RST_PIN 14 // RC522 复位引脚
|
||
#define RFID_SS_PIN 10 // RC522 片选引脚
|
||
#define RFID_MISO_PIN 13 // MISO 引脚
|
||
#define RFID_MOSI_PIN 12 // MOSI 引脚
|
||
#define RFID_SCK_PIN 11 // SCK 引脚
|
||
|
||
// LED定义
|
||
#define LED_PIN_1 4 // 1颗WS2812灯珠引脚
|
||
#define LED_PIN_2 5 // 160颗WS2812灯带引脚
|
||
#define LED_PIN_3 48 // 1颗WS2812灯珠引脚（新增）
|
||
#define LED_COUNT_1 1 // 1颗灯珠
|
||
#define LED_COUNT_2 186 // 160颗灯带
|
||
#define LED_COUNT_3 1 // 1颗灯珠（新增）
|
||
|
||
// PWM定义
|
||
#define PWM_PIN 6 // PWM输出引脚
|
||
#define PWM_CHANNEL 0 // PWM通道
|
||
#define PWM_FREQ 1000 // PWM频率(Hz)
|
||
#define PWM_RESOLUTION 10 // PWM分辨率(位)
|
||
#define DEFAULT_DUTY 819 // 默认占空比(80%)
|
||
|
||
// 按钮和输入引脚定义
|
||
#define BTN0_PIN 15 // 按钮0引脚
|
||
#define WAKEUP1_PIN 16 // 唤醒引脚1
|
||
#define BTN1_PIN 17 // 按钮1引脚
|
||
#define BTN2_PIN 18 // 按钮2引脚
|
||
|
||
// 任务句柄
|
||
TaskHandle_t TaskRFID, TaskLED1, TaskLED2, TaskLED3, TaskPWM, TaskBTN0, TaskWAKEUP1, TaskBTN1, TaskBTN2;
|
||
|
||
// 全局变量
|
||
MFRC522 rfid(RFID_SS_PIN, RFID_RST_PIN); // 创建RFID实例
|
||
CRGB leds1[LED_COUNT_1]; // 1颗灯珠数组
|
||
CRGB leds2[LED_COUNT_2]; // 160颗灯带数组
|
||
CRGB leds3[LED_COUNT_3]; // 1颗灯珠数组（新增）
|
||
CRGB frozenLeds2[LED_COUNT_2]; // 保存冻结时的颜色数据（模式5专用）
|
||
uint8_t frozenBrightness = 255; // 保存冻结时的亮度值，用于计算相对亮度比例
|
||
|
||
String lastCardData = ""; // 上次读取的RFID卡数据
|
||
int ledMode = 1; // 灯带模式，默认为1(白色)
|
||
int pwmDuty = DEFAULT_DUTY; // PWM占空比
|
||
bool btn0State = HIGH; // 按钮0状态
|
||
bool btn0LongPress = false; // 按钮0长按标志
|
||
bool wakeup1State = LOW; // 唤醒引脚1状态
|
||
bool btn1State = LOW; // 按钮1状态
|
||
bool btn2State = LOW; // 按钮2状态
|
||
int singleLedMode = 7; // 单颗LED模式，默认为7(白色)
|
||
|
||
// 灯带动画全局变量
|
||
static uint8_t rainbowHue = 0;
|
||
static int trainPos = 0;
|
||
static unsigned long lastUpdate = 0;
|
||
static const int TRAIN_LENGTH = 16; // 火车灯长度
|
||
static int trainPhase = 0; // 火车阶段：0-正向出站，1-正向前进，2-正向进站，3-反向出站，4-反向前进，5-反向进站
|
||
static const int VIRTUAL_LED_COUNT = LED_COUNT_2 + TRAIN_LENGTH; // 虚拟灯带长度
|
||
|
||
|
||
// LED亮度线性映射表 (0~100 → 26~255) - 最小阈值10%
|
||
// 用于将用户输入的0-100%亮度值映射到实际的PWM值
|
||
// 避免过低亮度导致LED完全不可见的问题
|
||
const uint8_t brightnessMapLinear[101] = {
|
||
0, 28, 31, 33, 36, 38, 41, 43, 46, 48, // 0-9
|
||
51, 54, 56, 59, 61, 64, 66, 69, 71, 74, // 10-19
|
||
77, 79, 82, 84, 87, 89, 92, 94, 97, 99, // 20-29
|
||
102, 105, 107, 110, 112, 115, 117, 120, 122, 125, // 30-39
|
||
128, 130, 133, 135, 138, 140, 143, 145, 148, 150, // 40-49
|
||
153, 156, 158, 161, 163, 166, 168, 171, 173, 176, // 50-59
|
||
179, 181, 184, 186, 189, 191, 194, 196, 199, 201, // 60-69
|
||
204, 207, 209, 212, 214, 217, 219, 222, 224, 227, // 70-79
|
||
230, 232, 235, 237, 240, 242, 245, 247, 250, 252, // 80-89
|
||
253, 254, 254, 254, 255, 255, 255, 255, 255, 255, // 90-99
|
||
255 // 100%
|
||
};
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
// 全局选择映射表
|
||
const uint8_t* brightnessMap = brightnessMapLinear;
|
||
|
||
// LED2亮度控制（0-255）
|
||
// 用于控制LED灯带的整体亮度，影响模式1、2、4和5
|
||
// 模式3使用独立的呼吸算法，基于此值计算动态亮度范围
|
||
uint8_t led2Brightness = 102; // 默认40%左右（102/255≈40%）
|
||
|
||
|
||
|
||
// 单颗LED颜色数组
|
||
CRGB singleLedColors[8] = {
|
||
CRGB::Black, // 0: 熄灭
|
||
CRGB::Blue, // 1: 蓝色
|
||
CRGB::Green, // 2: 绿色
|
||
CRGB::Orange, // 3: 橙色
|
||
CRGB::Red, // 4: 红色
|
||
CRGB::Purple, // 5: 紫色
|
||
CRGB::Yellow, // 6: 黄色
|
||
CRGB::White // 7: 白色
|
||
};
|
||
|
||
// RFID读取任务
|
||
void TaskRFIDcode(void* pvParameters) {
|
||
for (;;) {
|
||
// 寻找新卡片
|
||
if (!rfid.PICC_IsNewCardPresent()) {
|
||
delay(10);
|
||
continue;
|
||
}
|
||
|
||
// 验证NUID是否可读
|
||
if (!rfid.PICC_ReadCardSerial()) {
|
||
delay(10);
|
||
continue;
|
||
}
|
||
|
||
// 读取卡片数据（用户数据区）
|
||
String cardData = "";
|
||
MFRC522::MIFARE_Key key;
|
||
|
||
// 准备认证密钥
|
||
for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;
|
||
|
||
// 选择卡片
|
||
MFRC522::StatusCode status;
|
||
status = rfid.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 4, &key, &(rfid.uid));
|
||
if (status != MFRC522::STATUS_OK) {
|
||
Serial.print(F("Authentication failed: "));
|
||
Serial.println(rfid.GetStatusCodeName(status));
|
||
rfid.PICC_HaltA();
|
||
rfid.PCD_StopCrypto1();
|
||
delay(100);
|
||
continue;
|
||
}
|
||
|
||
// 读取数据块
|
||
byte buffer[18];
|
||
byte size = sizeof(buffer);
|
||
status = rfid.MIFARE_Read(4, buffer, &size);
|
||
if (status != MFRC522::STATUS_OK) {
|
||
Serial.print(F("Reading failed: "));
|
||
Serial.println(rfid.GetStatusCodeName(status));
|
||
} else {
|
||
// 转换为ASCII字符串
|
||
for (byte i = 0; i < 16; i++) {
|
||
if (buffer[i] >= 32 && buffer[i] <= 126) { // 可打印ASCII字符
|
||
cardData += (char)buffer[i];
|
||
}
|
||
}
|
||
|
||
// 移除空白字符
|
||
cardData.trim();
|
||
|
||
// 卡片数据处理
|
||
if (cardData != lastCardData && !cardData.isEmpty()) {
|
||
lastCardData = cardData;
|
||
Serial.println("SORC_" + cardData);
|
||
}
|
||
}
|
||
|
||
// 使放置在读卡区的IC卡进入休眠状态，不再重复读卡
|
||
rfid.PICC_HaltA();
|
||
|
||
// 停止加密PCD
|
||
rfid.PCD_StopCrypto1();
|
||
|
||
delay(100);
|
||
}
|
||
}
|
||
|
||
// 注意：以下两个函数已被TaskLEDUnifiedCode替代，保留仅供参考
|
||
// 实际运行中不会被调用，因为setup()中没有创建对应的任务
|
||
|
||
// LED1控制任务（已废弃，由TaskLEDUnifiedCode统一处理）
|
||
void TaskLED1code(void* pvParameters) {
|
||
// 此函数已被废弃，不再使用
|
||
// LED1的控制已集成到TaskLEDUnifiedCode中
|
||
vTaskDelete(NULL); // 如果意外创建了此任务，立即删除
|
||
}
|
||
|
||
// LED3控制任务（已废弃，由TaskLEDUnifiedCode统一处理）
|
||
void TaskLED3code(void* pvParameters) {
|
||
// 此函数已被废弃，不再使用
|
||
// LED3的控制已集成到TaskLEDUnifiedCode中
|
||
vTaskDelete(NULL); // 如果意外创建了此任务，立即删除
|
||
}
|
||
|
||
// PWM控制任务
|
||
void TaskPWMcode(void* pvParameters) {
|
||
for (;;) {
|
||
// 设置PWM占空比
|
||
ledc_set_duty(LEDC_LOW_SPEED_MODE, (ledc_channel_t)PWM_CHANNEL, pwmDuty);
|
||
ledc_update_duty(LEDC_LOW_SPEED_MODE, (ledc_channel_t)PWM_CHANNEL);
|
||
|
||
delay(100);
|
||
}
|
||
}
|
||
|
||
// 按钮0检测任务
|
||
void TaskBTN0code(void* pvParameters) {
|
||
static unsigned long pressStartTime = 0;
|
||
static bool lastState = HIGH;
|
||
|
||
for (;;) {
|
||
bool currentState = digitalRead(BTN0_PIN);
|
||
|
||
// 检测下降沿(按下)
|
||
if (lastState == HIGH && currentState == LOW) {
|
||
pressStartTime = millis();
|
||
btn0State = LOW;
|
||
Serial.println("SO_BT0_HIGH");
|
||
btn0LongPress = false;
|
||
}
|
||
// 检测上升沿(释放)
|
||
else if (lastState == LOW && currentState == HIGH) {
|
||
btn0State = HIGH;
|
||
Serial.println("SO_BT0_LOW");
|
||
btn0LongPress = false;
|
||
}
|
||
// 检测长按
|
||
else if (currentState == LOW && millis() - pressStartTime >= 2000 && !btn0LongPress) {
|
||
btn0LongPress = true;
|
||
Serial.println("SO_BT0_HIGHL");
|
||
}
|
||
|
||
lastState = currentState;
|
||
delay(10);
|
||
}
|
||
}
|
||
|
||
// WAKEUP1检测任务
|
||
void TaskWAKEUP1code(void* pvParameters) {
|
||
static bool lastState = LOW;
|
||
|
||
for (;;) {
|
||
bool currentState = digitalRead(WAKEUP1_PIN);
|
||
|
||
// 检测上升沿
|
||
if (lastState == LOW && currentState == HIGH) {
|
||
wakeup1State = HIGH;
|
||
Serial.println("SO_WAKEUP1");
|
||
}
|
||
// 检测下降沿
|
||
else if (lastState == HIGH && currentState == LOW) {
|
||
wakeup1State = LOW;
|
||
Serial.println("SO_WAKEUP0");
|
||
}
|
||
|
||
lastState = currentState;
|
||
delay(10);
|
||
}
|
||
}
|
||
|
||
// 按钮1检测任务
|
||
void TaskBTN1code(void* pvParameters) {
|
||
static bool lastState = LOW;
|
||
|
||
for (;;) {
|
||
bool currentState = digitalRead(BTN1_PIN);
|
||
|
||
// 检测上升沿
|
||
if (lastState == LOW && currentState == HIGH) {
|
||
btn1State = HIGH;
|
||
Serial.println("SO_BT1_HIGH");
|
||
}
|
||
// 检测下降沿
|
||
else if (lastState == HIGH && currentState == LOW) {
|
||
btn1State = LOW;
|
||
Serial.println("SO_BT1_LOW");
|
||
}
|
||
|
||
lastState = currentState;
|
||
delay(10);
|
||
}
|
||
}
|
||
|
||
// 按钮2检测任务
|
||
void TaskBTN2code(void* pvParameters) {
|
||
static bool lastState = LOW;
|
||
|
||
for (;;) {
|
||
bool currentState = digitalRead(BTN2_PIN);
|
||
|
||
// 检测上升沿
|
||
if (lastState == LOW && currentState == HIGH) {
|
||
btn2State = HIGH;
|
||
Serial.println("SO_BT2_HIGH");
|
||
}
|
||
// 检测下降沿
|
||
else if (lastState == HIGH && currentState == LOW) {
|
||
btn2State = LOW;
|
||
Serial.println("SO_BT2_LOW");
|
||
}
|
||
|
||
lastState = currentState;
|
||
delay(10);
|
||
}
|
||
}
|
||
|
||
// 串口命令处理
|
||
void handleSerialCommand() {
|
||
static String command = "";
|
||
|
||
while (Serial.available()) {
|
||
// 先检查命令长度（新增的防护代码）
|
||
if (command.length() > 64) {
|
||
Serial.println("错误: 命令过长（最大64字符）");
|
||
command = ""; // 清空当前命令
|
||
while (Serial.available()) Serial.read(); // 清空串口缓冲区
|
||
continue;
|
||
}
|
||
|
||
char c = Serial.read();
|
||
if (c == '\n') {
|
||
// 处理命令
|
||
if (command.startsWith("MO_LED_")) {
|
||
String modeStr = command.substring(7);
|
||
int newMode = modeStr.toInt();
|
||
|
||
// 控制单颗LED
|
||
if (newMode >= 0 && newMode <= 7) {
|
||
singleLedMode = newMode;
|
||
Serial.print("Single LED set to mode: ");
|
||
Serial.println(newMode);
|
||
} else {
|
||
Serial.println("Invalid single LED mode command");
|
||
}
|
||
} else if (command.startsWith("MO_LEDN_")) {
|
||
String modeStr = command.substring(8);
|
||
int newMode = modeStr.toInt();
|
||
|
||
// 控制灯带（只有亮度不为0时才允许）
|
||
if (newMode >= 0 && newMode <= 5) {
|
||
if (led2Brightness == 0) {
|
||
Serial.println("当前亮度为0，请先将亮度调整至0以上再切换显示模式！");
|
||
} else {
|
||
ledMode = newMode;
|
||
// 重置火车灯状态
|
||
if (newMode == 4) {
|
||
trainPos = -TRAIN_LENGTH;
|
||
trainPhase = 0;
|
||
rainbowHue = random8();
|
||
}
|
||
|
||
// 新增：切换到模式5时，复制当前LED2状态和亮度
|
||
if (newMode == 5) {
|
||
memcpy(frozenLeds2, leds2, sizeof(leds2));
|
||
frozenBrightness = led2Brightness; // 保存冻结时的亮度
|
||
}
|
||
|
||
Serial.print("LED strip set to mode: ");
|
||
Serial.println(newMode);
|
||
}
|
||
} else {
|
||
Serial.println("Invalid LED strip mode command");
|
||
}
|
||
} else if (command.startsWith("MO_PWM_")) {
|
||
String dutyStr = command.substring(7);
|
||
int newDuty = dutyStr.toInt();
|
||
|
||
// 检查PWM百分比
|
||
if (newDuty == 1) {
|
||
pwmDuty = 1023; // 100%
|
||
} else if (newDuty == 0 || newDuty == 20 || newDuty == 40 || newDuty == 60 || newDuty == 80) {
|
||
pwmDuty = (newDuty * 1023) / 100; // 转换为实际占空比
|
||
} else {
|
||
Serial.println("Invalid PWM command");
|
||
}
|
||
|
||
Serial.print("PWM set to: ");
|
||
Serial.print((pwmDuty * 100) / 1023);
|
||
Serial.println("%");
|
||
}
|
||
|
||
else if (command.startsWith("MO_BRI_")) {
|
||
// 提取亮度参数（跳过"MO_BRI_"前缀）
|
||
String levelStr = command.substring(7);
|
||
levelStr.trim();
|
||
command = ""; // 清空命令缓冲区
|
||
|
||
// 空参数检查
|
||
if (levelStr.length() == 0) {
|
||
Serial.println("错误: 缺少亮度值");
|
||
return; // 终止处理
|
||
}
|
||
|
||
// 严格数字验证（拒绝非数字字符）
|
||
bool isNumeric = true;
|
||
for (char c : levelStr) {
|
||
if (!isdigit(c)) {
|
||
isNumeric = false;
|
||
break; // 发现非数字立即退出
|
||
}
|
||
}
|
||
|
||
// 非数字错误处理
|
||
if (!isNumeric) {
|
||
Serial.println("错误: 亮度值必须为整数");
|
||
return;
|
||
}
|
||
|
||
// 转换为整数并验证范围
|
||
int level = levelStr.toInt();
|
||
if (level >= 0 && level <= 100) {
|
||
// 更新亮度值（映射到PWM范围）
|
||
led2Brightness = brightnessMap[level]; // 使用预定义映射表
|
||
Serial.print("LED亮度: ");
|
||
Serial.print(level);
|
||
Serial.println("%");
|
||
|
||
// // 亮度为0时输出警告
|
||
// if (level == 0) {
|
||
// Serial.println("亮度已设置为0，所有灯光将熄灭！");
|
||
// }
|
||
} else {
|
||
Serial.println("错误: 亮度值需在0-100之间");
|
||
}
|
||
command = ""; // 清空命令
|
||
}
|
||
|
||
command = ""; // 清空命令
|
||
} else {
|
||
// 累积非换行符字符
|
||
command += c;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
// 统一LED控制任务（防闪烁优化版本）
|
||
// 集中管理LED1（单颗）、LED2（灯带）、LED3（强制关闭）的显示逻辑
|
||
// 优化特性：
|
||
// 1. 30FPS稳定更新频率，防止闪烁
|
||
// 2. 修复模式5的双重亮度衰减问题
|
||
// 3. 统一亮度处理机制
|
||
// 4. 内存优化，减少不必要的数据拷贝
|
||
// 5. 防闪烁机制，确保LED显示稳定
|
||
void TaskLEDUnifiedCode(void* pvParameters) {
|
||
static unsigned long lastLEDUpdate = 0;
|
||
const unsigned long LED_UPDATE_INTERVAL = 33; // ~30FPS，降低更新频率减少闪烁
|
||
|
||
for (;;) {
|
||
unsigned long currentTime = millis();
|
||
|
||
// 控制更新频率，避免过度占用CPU和闪烁问题
|
||
if (currentTime - lastLEDUpdate < LED_UPDATE_INTERVAL) {
|
||
delay(5); // 增加延时，确保任务调度稳定
|
||
continue;
|
||
}
|
||
lastLEDUpdate = currentTime;
|
||
|
||
// ---- LED1 控制（单颗 LED）----
|
||
if (singleLedMode >= 0 && singleLedMode <= 7) {
|
||
leds1[0] = singleLedColors[singleLedMode];
|
||
} else {
|
||
leds1[0] = CRGB::Blue;
|
||
}
|
||
|
||
// ---- LED3 控制（熄灭）----
|
||
leds3[0] = CRGB::Black;
|
||
|
||
// ---- LED2 控制（灯带）----
|
||
switch (ledMode) {
|
||
case 0: // 模式0：全部熄灭，关闭所有LED灯珠
|
||
fill_solid(leds2, LED_COUNT_2, CRGB::Black);
|
||
break;
|
||
|
||
case 1: // 模式1：纯白色静态光，亮度可通过led2Brightness调节
|
||
fill_solid(leds2, LED_COUNT_2, CHSV(0, 0, led2Brightness));
|
||
break;
|
||
|
||
case 2: // 模式2：彩虹流水灯，颜色沿灯带流动，速度和亮度可调
|
||
for (int i = 0; i < LED_COUNT_2; i++) {
|
||
leds2[i] = CHSV(rainbowHue + i * 256 / LED_COUNT_2, 255, led2Brightness);
|
||
}
|
||
rainbowHue++;
|
||
break;
|
||
case 3: // 模式3：彩虹呼吸灯（优化版本），缓慢变色配合呼吸效果
|
||
{
|
||
static unsigned long lastHueUpdate = 0;
|
||
static unsigned long lastBreathUpdate = 0;
|
||
static uint8_t breathingHue = 0;
|
||
static uint8_t breathPhase = 0;
|
||
|
||
unsigned long currentTime = millis();
|
||
|
||
// 每300ms更新一次色相，实现非常缓慢的颜色变化
|
||
if (currentTime - lastHueUpdate > 300) {
|
||
breathingHue += 1;
|
||
lastHueUpdate = currentTime;
|
||
}
|
||
|
||
// 每30ms更新一次呼吸相位，控制亮度变化节奏
|
||
if (currentTime - lastBreathUpdate > 30) {
|
||
breathPhase += 2;
|
||
lastBreathUpdate = currentTime;
|
||
}
|
||
|
||
// 计算呼吸亮度：基于led2Brightness的60%-100%范围，避免过暗
|
||
uint8_t minBrightness = led2Brightness * 60 / 100;
|
||
uint8_t maxBrightness = led2Brightness;
|
||
uint8_t breathValue = map(sin8(breathPhase), 0, 255, minBrightness, maxBrightness);
|
||
|
||
for(int i = 0; i < LED_COUNT_2; i++) {
|
||
leds2[i] = CHSV(breathingHue, 200, breathValue);
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 4: // 模式4：彩虹火车灯，模拟火车往返运行的动态效果
|
||
if (millis() - lastUpdate > 30) { // 30ms更新间隔，控制火车移动速度
|
||
lastUpdate = millis();
|
||
fill_solid(leds2, LED_COUNT_2, CRGB::Black);
|
||
|
||
switch (trainPhase) {
|
||
case 0: // 阶段0：正向出站，火车从起点逐渐显现
|
||
for (int i = 0; i < TRAIN_LENGTH; i++) {
|
||
int pos = trainPos + i;
|
||
if (pos >= 0 && pos < LED_COUNT_2) {
|
||
uint8_t hue = rainbowHue + (i * 256 / TRAIN_LENGTH);
|
||
leds2[pos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= 0) {
|
||
trainPhase = 1; // 切换到正向前进阶段
|
||
trainPos = 0;
|
||
}
|
||
break;
|
||
|
||
case 1: // 阶段1：正向前进，火车完整显示并向终点移动
|
||
for (int i = 0; i < TRAIN_LENGTH; i++) {
|
||
int pos = trainPos + i;
|
||
if (pos >= 0 && pos < LED_COUNT_2) {
|
||
uint8_t hue = rainbowHue + (i * 256 / TRAIN_LENGTH);
|
||
leds2[pos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= LED_COUNT_2 - TRAIN_LENGTH) {
|
||
trainPhase = 2; // 切换到正向进站阶段
|
||
trainPos = LED_COUNT_2 - TRAIN_LENGTH;
|
||
}
|
||
break;
|
||
|
||
case 2: // 阶段2：正向进站，火车从尾部开始消失
|
||
for (int i = 0; i < TRAIN_LENGTH; i++) {
|
||
int displayPos = LED_COUNT_2 - 1 - i;
|
||
if (displayPos >= trainPos) {
|
||
uint8_t hue = rainbowHue + (i * 256 / TRAIN_LENGTH);
|
||
leds2[displayPos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= LED_COUNT_2) {
|
||
trainPhase = 3; // 切换到反向出站阶段
|
||
trainPos = 0;
|
||
rainbowHue += 64; // 改变彩虹颜色，增加视觉变化
|
||
}
|
||
break;
|
||
|
||
case 3: // 阶段3：反向出站，火车从终点逐渐显现
|
||
for (int i = 0; i < trainPos + 1; i++) {
|
||
int pos = LED_COUNT_2 - 1 - i;
|
||
if (pos >= 0) {
|
||
uint8_t hue = rainbowHue + ((TRAIN_LENGTH - 1 - i) * 256 / TRAIN_LENGTH);
|
||
leds2[pos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= TRAIN_LENGTH) {
|
||
trainPhase = 4; // 切换到反向前进阶段
|
||
trainPos = TRAIN_LENGTH;
|
||
}
|
||
break;
|
||
|
||
case 4: // 阶段4：反向前进，火车完整显示并向起点移动
|
||
for (int i = 0; i < TRAIN_LENGTH; i++) {
|
||
int pos = LED_COUNT_2 - trainPos + i;
|
||
if (pos >= 0 && pos < LED_COUNT_2) {
|
||
uint8_t hue = rainbowHue + ((TRAIN_LENGTH - 1 - i) * 256 / TRAIN_LENGTH);
|
||
leds2[pos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= LED_COUNT_2) {
|
||
trainPhase = 5; // 切换到反向进站阶段
|
||
trainPos = 0;
|
||
}
|
||
break;
|
||
|
||
case 5: // 阶段5：反向进站，火车从头部开始消失
|
||
for (int i = 0; i < TRAIN_LENGTH - trainPos; i++) {
|
||
int pos = i;
|
||
if (pos < LED_COUNT_2) {
|
||
uint8_t hue = rainbowHue + ((TRAIN_LENGTH - 1 - i) * 256 / TRAIN_LENGTH);
|
||
leds2[pos] = CHSV(hue, 255, led2Brightness);
|
||
}
|
||
}
|
||
trainPos++;
|
||
if (trainPos >= TRAIN_LENGTH) {
|
||
trainPhase = 0; // 重新开始正向出站，形成循环
|
||
trainPos = -TRAIN_LENGTH;
|
||
rainbowHue += 64; // 再次改变彩虹颜色
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 5: // 模式5：冻结当前灯效，保持切换时的图像但允许调节亮度（内存优化版本）
|
||
if (led2Brightness == 0) {
|
||
fill_solid(leds2, LED_COUNT_2, CRGB::Black); // 亮度为0时完全熄灭
|
||
} else {
|
||
// 计算相对亮度比例，避免双重衰减问题
|
||
uint16_t brightnessRatio = (uint16_t)led2Brightness * 255 / frozenBrightness;
|
||
if (brightnessRatio > 255) brightnessRatio = 255;
|
||
|
||
// 直接计算并设置像素颜色，内存优化，避免使用memcpy
|
||
for (int i = 0; i < LED_COUNT_2; i++) {
|
||
leds2[i].r = (frozenLeds2[i].r * brightnessRatio) >> 8;
|
||
leds2[i].g = (frozenLeds2[i].g * brightnessRatio) >> 8;
|
||
leds2[i].b = (frozenLeds2[i].b * brightnessRatio) >> 8;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
// ---- 最终统一刷新LED ----
|
||
// 添加FastLED刷新保护，确保数据稳定后再显示
|
||
FastLED.show();
|
||
|
||
// ---- 稳定的延时机制 ----
|
||
// 使用固定延时确保LED显示稳定，避免闪烁
|
||
delay(10); // 10ms延时，确保LED数据传输完成
|
||
}
|
||
}
|
||
|
||
|
||
void setup() {
|
||
// 初始化串口
|
||
Serial.begin(115200);
|
||
Serial.println("System starting...");
|
||
|
||
// 初始化SPI总线
|
||
SPI.begin(RFID_SCK_PIN, RFID_MISO_PIN, RFID_MOSI_PIN, RFID_SS_PIN);
|
||
|
||
// 初始化RFID
|
||
rfid.PCD_Init();
|
||
Serial.println("RFID initialized.");
|
||
|
||
// 初始化LED
|
||
FastLED.addLeds<WS2812, LED_PIN_1, GRB>(leds1, LED_COUNT_1);
|
||
FastLED.addLeds<WS2812, LED_PIN_2, GRB>(leds2, LED_COUNT_2);
|
||
FastLED.addLeds<WS2812, LED_PIN_3, GRB>(leds3, LED_COUNT_3); // 新增LED3
|
||
|
||
// 初始化LED状态
|
||
fill_solid(leds1, LED_COUNT_1, singleLedColors[singleLedMode]);
|
||
fill_solid(leds2, LED_COUNT_2, CHSV(0, 0, led2Brightness)); // 初始化白色
|
||
fill_solid(leds3, LED_COUNT_3, CRGB::Black); // 强制GPIO48的灯珠熄灭
|
||
FastLED.show();
|
||
Serial.println("LED initialized.");
|
||
|
||
// 初始化PWM
|
||
// 创建LED控制器配置
|
||
ledc_timer_config_t ledc_timer = {
|
||
.speed_mode = LEDC_LOW_SPEED_MODE,
|
||
.duty_resolution = (ledc_timer_bit_t)PWM_RESOLUTION,
|
||
.timer_num = (ledc_timer_t)PWM_CHANNEL,
|
||
.freq_hz = PWM_FREQ,
|
||
.clk_cfg = LEDC_AUTO_CLK
|
||
};
|
||
ledc_timer_config(&ledc_timer);
|
||
|
||
// 创建LED通道配置
|
||
ledc_channel_config_t ledc_channel = {
|
||
.gpio_num = PWM_PIN,
|
||
.speed_mode = LEDC_LOW_SPEED_MODE,
|
||
.channel = (ledc_channel_t)PWM_CHANNEL,
|
||
.intr_type = LEDC_INTR_DISABLE,
|
||
.timer_sel = (ledc_timer_t)PWM_CHANNEL,
|
||
.duty = 0,
|
||
.hpoint = 0
|
||
};
|
||
ledc_channel_config(&ledc_channel);
|
||
|
||
// 设置初始占空比
|
||
ledc_set_duty(LEDC_LOW_SPEED_MODE, (ledc_channel_t)PWM_CHANNEL, pwmDuty);
|
||
ledc_update_duty(LEDC_LOW_SPEED_MODE, (ledc_channel_t)PWM_CHANNEL);
|
||
|
||
Serial.println("PWM initialized.");
|
||
|
||
// 初始化输入引脚
|
||
pinMode(BTN0_PIN, INPUT_PULLUP);
|
||
pinMode(WAKEUP1_PIN, INPUT);
|
||
pinMode(BTN1_PIN, INPUT);
|
||
pinMode(BTN2_PIN, INPUT);
|
||
Serial.println("Inputs initialized.");
|
||
|
||
// 创建任务
|
||
xTaskCreatePinnedToCore(
|
||
TaskRFIDcode, /* 任务函数 */
|
||
"TaskRFID", /* 任务名称 */
|
||
4096, /* 任务栈大小 */
|
||
NULL, /* 传递给任务的参数 */
|
||
1, /* 任务优先级 */
|
||
&TaskRFID, /* 任务句柄 */
|
||
1); /* 运行在核心1上 */
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskLEDUnifiedCode,
|
||
"TaskLEDUnified",
|
||
8192, // 建议栈大一点
|
||
NULL,
|
||
3, // 提高优先级，确保LED更新不被其他任务干扰
|
||
NULL,
|
||
1);
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskPWMcode,
|
||
"TaskPWM",
|
||
1024,
|
||
NULL,
|
||
1,
|
||
&TaskPWM,
|
||
1);
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskBTN0code,
|
||
"TaskBTN0",
|
||
2048,
|
||
NULL,
|
||
1,
|
||
&TaskBTN0,
|
||
0);
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskWAKEUP1code,
|
||
"TaskWAKEUP1",
|
||
2048,
|
||
NULL,
|
||
1,
|
||
&TaskWAKEUP1,
|
||
0);
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskBTN1code,
|
||
"TaskBTN1",
|
||
2048,
|
||
NULL,
|
||
1,
|
||
&TaskBTN1,
|
||
0);
|
||
|
||
xTaskCreatePinnedToCore(
|
||
TaskBTN2code,
|
||
"TaskBTN2",
|
||
2048,
|
||
NULL,
|
||
1,
|
||
&TaskBTN2,
|
||
0);
|
||
|
||
Serial.println("Tasks created. System ready.");
|
||
}
|
||
|
||
void loop() {
|
||
// 处理串口命令
|
||
handleSerialCommand();
|
||
|
||
// 让出CPU时间
|
||
delay(1);
|
||
} |