fix(audio): resolve ES7210 microphone popping sound by correcting OSR and clock division configuration

lib/board_config.py

@@ -34,6 +34,26 @@ audio_amp_pin = None
 audio_amp_active_level = 0  # 0 = Active Low, 1 = Active High
 audio_mic_codec = "ES8311"  # "ES7210" or "ES8311"
 
+def _i2c_recovery(sda_pin, scl_pin):
+    import time
+    scl = Pin(scl_pin, Pin.OUT)
+    sda = Pin(sda_pin, Pin.OUT)
+    scl.value(1)
+    sda.value(1)
+    time.sleep_ms(1)
+    for _ in range(9):
+        scl.value(0)
+        time.sleep_ms(1)
+        scl.value(1)
+        time.sleep_ms(1)
+    scl.value(0)
+    sda.value(0)
+    time.sleep_ms(1)
+    scl.value(1)
+    time.sleep_ms(1)
+    sda.value(1)
+    time.sleep_ms(1)
+
 def detect_board():
     global BOARD_TYPE, DISPLAY_TYPE, DISPLAY_WIDTH, DISPLAY_HEIGHT
     global spi_bus, i2c_bus, display_instance, touch
@@ -60,6 +80,7 @@ def detect_board():
         
         # Setup Touch: FT6336U on I2C(1)
         try:
+            _i2c_recovery(2, 3)
             touch_i2c = I2C(1, sda=Pin(2), scl=Pin(3), freq=400000)
             from ft6336u import FT6336U
             touch = FT6336U(touch_i2c, rst_pin=28, int_pin=25)
@@ -73,6 +94,7 @@ def detect_board():
     
     # Try scanning SDA=16, SCL=15 (Hosyond pins)
     try:
+        _i2c_recovery(16, 15)
         test_i2c = SoftI2C(sda=Pin(16), scl=Pin(15))
         devices = test_i2c.scan()
         if 0x38 in devices:
@@ -121,6 +143,7 @@ def detect_board():
 
     # 3. Try scanning SDA=13, SCL=14 (Waveshare RLCD pins)
     try:
+        _i2c_recovery(13, 14)
         test_i2c = SoftI2C(sda=Pin(13), scl=Pin(14))
         devices = test_i2c.scan()
         if 0x70 in devices or 0x51 in devices: