Rdzleo 93f0e19d1d 初始化项目:精灵吊坠 RTC 语音助手 + VEML7700 石头同频匹配
ESP32-S3 吊坠设备固件,集成火山引擎 RTC 语音助手、蓝牙配网、
VEML7700 环境光传感器驱动及石头同频匹配交友功能。

VEML7700 驱动:
- 基于 ESP-IDF i2c_master API 实现,复用项目 I2cDevice 基类
- 支持 ALS + White 双通道、自动量程、Vishay 非线性校正
- 3 次采样取中位数过滤偶发异常

石头同频匹配算法(双维度):
- 维度1:光谱比值 ALS/White(石头固有光学特征,不随光照强度变化)
- 维度2:亮度等级(5级对数划分,排除极端环境差异)
- 比值阈值 15%,实测同石头姿势变化波动 1.6%~9.6%,安全余量充足

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-01 11:43:57 +08:00

65 lines
1.9 KiB
C++

#ifndef WAKE_WORD_DETECT_H
#define WAKE_WORD_DETECT_H
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/event_groups.h>
#include <esp_afe_sr_models.h>
#include <esp_nsn_models.h>
#include <list>
#include <string>
#include <vector>
#include <functional>
#include <mutex>
#include <condition_variable>
#include "audio_codec.h"
#include "wake_word.h"
class WakeWordDetect : public WakeWord {
public:
WakeWordDetect();
~WakeWordDetect();
bool Initialize(AudioCodec* codec) override;
void Feed(const std::vector<int16_t>& data) override;
void OnWakeWordDetected(std::function<void(const std::string& wake_word)> callback) override;
void Start() override;
void Stop() override;
bool IsRunning() override;
size_t GetFeedSize() override;
void EncodeWakeWordData() override;
bool GetWakeWordOpus(std::vector<uint8_t>& opus) override;
const std::string& GetLastDetectedWakeWord() const override { return last_detected_wake_word_; }
// 保持向后兼容的方法
void StartDetection() { Start(); }
void StopDetection() { Stop(); }
bool IsDetectionRunning() { return IsRunning(); }
private:
const esp_afe_sr_iface_t* afe_iface_ = nullptr;
esp_afe_sr_data_t* afe_data_ = nullptr;
char* wakenet_model_ = NULL;
std::vector<std::string> wake_words_;
EventGroupHandle_t event_group_;
std::function<void(const std::string& wake_word)> wake_word_detected_callback_;
AudioCodec* codec_ = nullptr;
std::string last_detected_wake_word_;
TaskHandle_t wake_word_encode_task_ = nullptr;
StaticTask_t wake_word_encode_task_buffer_;
StackType_t* wake_word_encode_task_stack_ = nullptr;
std::list<std::vector<int16_t>> wake_word_pcm_;
std::list<std::vector<uint8_t>> wake_word_opus_;
std::mutex wake_word_mutex_;
std::condition_variable wake_word_cv_;
void StoreWakeWordData(uint16_t* data, size_t size);
void AudioDetectionTask();
};
#endif