优化了很多问题。

InterphoneHandler.py

@@ -10,34 +10,20 @@ import urandom
 
 import shared_vars
 
-# I2S 引脚配置
-BCLK_PIN = 13
-WS_PIN = 12
-SD_PIN = 14
-# 增益控制引脚
-GAIN_PIN = 15
-
-# 初始 I2S 配置，后续根据文件实际参数调整
-SAMPLE_RATE = 16000
-BITS_PER_SAMPLE = 16  # 修改为 16 位
-CHANNELS = 2
-BUFFER_SIZE = 8192
-
 # 初始化I2S配置（用于音频输出）
 def init_i2s():
-    global BCLK_PIN, WS_PIN, SD_PIN, GAIN_PIN, SAMPLE_RATE, BITS_PER_SAMPLE, CHANNELS, BUFFER_SIZE
-    gain_pin = machine.Pin(GAIN_PIN, machine.Pin.OUT)
+    gain_pin = machine.Pin(shared_vars.GAIN_PIN, machine.Pin.OUT)
     gain_pin.value(1)
     # 使用GPIO14 (BCLK), GPIO15 (LRC), GPIO32 (DIN)
     i2s = I2S(0,
-              sck=Pin(BCLK_PIN),  # Serial clock output
-              ws=Pin(WS_PIN),   # Word clock output
-              sd=Pin(SD_PIN),   # Serial data output
+              sck=Pin(shared_vars.BCLK_PIN),  # Serial clock output
+              ws=Pin(shared_vars.WS_PIN),   # Word clock output
+              sd=Pin(shared_vars.SD_PIN),   # Serial data output
               mode=I2S.TX,  # 使用发送模式
-              bits=BITS_PER_SAMPLE,  # 修改为 16 位数据
-              format=I2S.MONO if CHANNELS == 1 else I2S.STEREO,  # 修正声道判断逻辑
-              rate=SAMPLE_RATE,    # 采样率
-              ibuf=BUFFER_SIZE)    # 输入缓冲区大小
+              bits=shared_vars.BITS_PER_SAMPLE,  # 修改为 16 位数据
+              format=I2S.MONO if shared_vars.CHANNELS == 1 else I2S.STEREO,  # 修正声道判断逻辑
+              rate=shared_vars.SAMPLE_RATE,    # 采样率
+              ibuf=shared_vars.BUFFER_SIZE)    # 输入缓冲区大小
     return i2s
 
 class InterphoneHandler:
@@ -55,7 +41,7 @@ class InterphoneHandler:
                 f.seek(44)
                 while True:
                     # 读取音频数据块
-                    data = f.read(BUFFER_SIZE)
+                    data = f.read(shared_vars.BUFFER_SIZE)
                     if len(data) == 0:
                         break
                     # 将音频数据写入 I2S 接口
@@ -69,9 +55,12 @@ class InterphoneHandler:
                 audio_out.deinit()
 
     def stream_and_play(self, data):
-        current_task_id = shared_vars.handle_task_id
-        url = "https://iot.julecn.com/interphone/get_voice?name=" + data['name']   # 替换为音频文件的URL
-        print(url)
+        shared_vars.player_name = data['voice_url']
+        url = data['voice_url']   # 替换为音频文件的URL
+        volume = data.get('volume', 1.0)  # 从 data 中读取音量信息，默认值为 1.0（原始音量）
+        print(f"播放音频 URL: {url}, 音量: {volume}")
+        time.sleep(1)
+        shared_vars.player_flag = True
         try:
             print("添加请求头信息")
             headers = {
@@ -93,21 +82,20 @@ class InterphoneHandler:
                 raise ValueError("Not a valid WAV file")
 
             print("提取采样率、位深、声道数")
-            global SAMPLE_RATE, BITS_PER_SAMPLE, CHANNELS
-            SAMPLE_RATE = int.from_bytes(header[24:28], 'little')
-            BITS_PER_SAMPLE = int.from_bytes(header[34:36], 'little')
-            CHANNELS = int.from_bytes(header[22:24], 'little')
+            shared_vars.SAMPLE_RATE = int.from_bytes(header[24:28], 'little')
+            shared_vars.BITS_PER_SAMPLE = int.from_bytes(header[34:36], 'little')
+            shared_vars.CHANNELS = int.from_bytes(header[22:24], 'little')
 
             print("初始化 I2S 输出")
             audio_out = init_i2s()
             print("开始流式播放")
-            chunk_size = 512
-            while shared_vars.handle_task_id == current_task_id:
+            chunk_size = 128
+            while shared_vars.player_flag and shared_vars.player_name == data['voice_url']:
                 chunk = response.raw.read(chunk_size)
                 if not chunk:
                     break
                 audio_out.write(chunk)
-            
+
         except Exception as e:
             print("Playback error:", e)
         finally:
@@ -115,8 +103,18 @@ class InterphoneHandler:
                 audio_out.deinit()
             if 'response' in locals():
                 response.close()
+            shared_vars.player_flag = False
             print('音频播放完成')
             
     def stop_playing(self, data):
+        shared_vars.player_flag = False
         print("停止播放音频")
         pass
+
+    def get_playing_status(self, data):
+        status = {
+            'playing': shared_vars.player_flag,
+            'player_name': shared_vars.player_name
+        }
+        print(f"获取播放状态: {status}")
+        return status