ES8388 debug and AudioTools Example

examples/audiotools/audiotools-custom-max/audiotools-custom-max.ino

@@ -7,35 +7,58 @@
 #include "AudioTools.h" // install https://github.com/pschatzmann/arduino-audio-tools
 #include "AudioLibs/I2SCodecStream.h"
 
-AudioInfo info(44100, 2, 16);
-SineWaveGenerator<int16_t> sineWave(32000);
-GeneratedSoundStream<int16_t> sound(sineWave);
-DriverPins my_pins;
-AudioBoard board(AudioDriverES8388, my_pins);
-I2SCodecStream out(board);
-StreamCopy copier(out, sound);
+// I2C
+#define SDAPIN               3 // I2C Data,  Adafruit ESP32 S3 3, Sparkfun Thing Plus C 23
+#define SCLPIN               4 // I2C Clock, Adafruit ESP32 S3 4, Sparkfun Thing Plus C 22
+#define I2CSPEED        100000 // Clock Rate
+#define ES8388ADDR        0x10 // Address of ES8388 I2C port
+
+// I2S, your configuration for the ES8388 board
+#define MCLKPIN             14 // Master Clock
+#define BCLKPIN             36 // Bit Clock
+#define WSPIN                8 // Word select
+#define DOPIN               37 // This is connected to DI on ES8388 (MISO)
+#define DIPIN               35 // This is connected to DO on ES8388 (MOSI)
+
+AudioInfo                     audio_info(44200, 2, 16);                // sampling rate, # channels, bit depth
+SineWaveGenerator<int16_t>    sine_wave(32000);                        // amplitude
+GeneratedSoundStream<int16_t> sound_stream(sine_wave);                 // sound generator
+DriverPins                    my_pins;                                 // board pins
+AudioBoard                    audio_board(AudioDriverES8388, my_pins); // audio board
+I2SCodecStream                i2s_out_stream(audio_board);             // i2s coded
+StreamCopy                    copier(i2s_out_stream, sound_stream);    // stream copy sound generator to i2s codec
+TwoWire                       myWire = TwoWire(0);                     // universal I2C interface
 
 void setup() {
   // Setup logging
   Serial.begin(115200);
   AudioLogger::instance().begin(Serial, AudioLogger::Warning);
   LOGLEVEL_AUDIODRIVER = AudioDriverWarning;
+  delay(2000);
+
+  Serial.println("Setup starting...");
 
-  // setup pins
-  // - add i2c codec pins: scl, sda, port, (I2C object)
-  my_pins.addI2C(PinFunction::CODEC, 32, 22, 0x20, 100000, Wire);
-  // - add i2s pins: mclk, bclk, ws, data_out, data_in
-  my_pins.addI2S(PinFunction::CODEC, 0, 14, 15, 22);
+  Serial.println("I2C pin ...");
+  my_pins.addI2C(PinFunction::CODEC, SCLPIN, SDAPIN, ES8388ADDR, I2CSPEED, myWire);
+  Serial.println("I2S pin ...");
+  my_pins.addI2S(PinFunction::CODEC, MCLKPIN, BCLKPIN, WSPIN, DOPIN, DIPIN);
 
-
-  // start I2S & codec with i2c and i2s configured above
-  Serial.println("starting I2S...");
-  auto config = out.defaultConfig();
-  config.copyFrom(info);
-  out.begin(config);
+  Serial.println("Pins begin ..."); 
+  my_pins.begin();
+
+  Serial.println("Board begin ..."); 
+  audio_board.begin();
+
+  Serial.println("I2S begin ..."); 
+  auto i2s_config = i2s_out_stream.defaultConfig();
+  i2s_config.copyFrom(audio_info);  
+  i2s_out_stream.begin(i2s_config); // this should apply I2C and I2S configuration
 
   // Setup sine wave
-  sineWave.begin(info, N_B4);
+  Serial.println("Sine wave begin...");
+  sine_wave.begin(audio_info, N_B4); // 493.88 Hz
+
+  Serial.println("Setup completed ...");
 }
 
 // Arduino loop - copy sound to out

src/AudioBoard.h

@@ -23,10 +23,15 @@ class AudioBoard {
   }
 
   bool begin(){
-    AD_LOGD("AudioBoard::begin");
-    bool result = pins.begin() && driver->begin(codec_cfg, pins);
+    AD_LOGD("AudioBoard::pins::begin");
+    bool result_pins = pins.begin();
+    AD_LOGD("AudioBoard::pins::begin::returned:%s", result_pins ? "true" : "false");
+    AD_LOGD("AudioBoard::driver::begin");
+    bool result_driver = driver->begin(codec_cfg, pins);
+    AD_LOGD("AudioBoard::driver::begin::returned:%s", result_driver ? "true" : "false");
     setVolume(DRIVER_DEFAULT_VOLUME);
-    return result;
+    AD_LOGD("AudioBoard::volume::set");
+    return result_pins && result_driver;
   }
 
   /// Starts the processing

src/Driver.h

@@ -23,7 +23,7 @@ const samplerate_t rate_code[8] = {RATE_8K, RATE_11K, RATE_16K, RATE_22K,
                                    RATE_24K, RATE_32K, RATE_44K, RATE_48K};
 
 /**
- * @brief I2S configuration and defition of input and output with default values
+ * @brief I2S configuration and definition of input and output with default values
  * @ingroup audio_driver
  * @author Phil Schatzmann
  * @copyright GPLv3
@@ -157,28 +157,38 @@ class CodecConfig : public codec_config_t {
 class AudioDriver {
 public:
   virtual bool begin(CodecConfig codecCfg, DriverPins &pins) {
-    AD_LOGD("AudioDriver::begin");
+    AD_LOGD("AudioDriver::begin:pins");
     p_pins = &pins;
+    AD_LOGD("AudioDriver::begin:setSPI");
     pins.setSPIActiveForSD(codecCfg.sd_active);
+    AD_LOGD("AudioDriver::begin:setConfig");
     int result = setConfig(codecCfg);
+    AD_LOGD("AudioDriver::begin:setPAPower");
     setPAPower(true);
+    AD_LOGD("AudioDriver::begin:completed");
     return result;
   }
   virtual bool setConfig(CodecConfig codecCfg) {
     codec_cfg = codecCfg;
     if (!init(codec_cfg)) {
-      AD_LOGE("init failed");
+      AD_LOGE("AudioDriver::begin::init failed");
       return false;
+    } else {
+      AD_LOGD("AudioDriver::begin::init succeeded");
     }
     codec_mode_t codec_mode = codec_cfg.get_mode();
     if (!controlState(codec_mode)) {
-      AD_LOGE("controlState failed");
+      AD_LOGE("AudioDriver::begin::controlState failed");
       return false;
+    } else {
+      AD_LOGD("AudioDriver::begin::controlState succeeded");
     }
     bool result = configInterface(codec_mode, codec_cfg.i2s);
     if (!result) {
-      AD_LOGE("configInterface failed");
+      AD_LOGE("AudioDriver::begin::configInterface failed");
       return false;
+    } else {
+      AD_LOGD("AudioDriver::begin::configInterface succeeded");
     }
     return result;
   }
@@ -196,8 +206,7 @@ class AudioDriver {
   /// Sets the PA Power pin to active or inactive
   bool setPAPower(bool enable) {
     GpioPin  pin = pins().getPinID(PinFunction::PA);
-    if (pin == -1)
-      return false;
+    if (pin == -1) { return false; }
     AD_LOGI("setPAPower pin %d -> %d", pin, enable);
     digitalWrite(pin, enable ? HIGH : LOW);
     return true;
@@ -207,7 +216,7 @@ class AudioDriver {
   CodecConfig codec_cfg;
   DriverPins *p_pins = nullptr;
 
-  /// Detemine the TwoWire object from the I2C config or use Wire
+  /// Determine the TwoWire object from the I2C config or use Wire
   TwoWire* getI2C() {
     if (p_pins == nullptr) return &Wire;
     auto i2c = pins().getI2CPins(PinFunction::CODEC);
@@ -724,7 +733,7 @@ class AudioDriverWM8960Class : public AudioDriver {
   /// Configuration: define retry count (default : 0)
   void setI2CRetryCount(int cnt) { i2c_retry_count = cnt; }
 
-  /// Configuration: enable/diable PLL (active by default)
+  /// Configuration: enable/disable PLL (active by default)
   void setEnablePLL(bool active) { vs1053_enable_pll = active; }
 
   /// Configuration: define master clock frequency (default: 0)
@@ -853,7 +862,7 @@ class AudioDriverWM8994Class : public AudioDriver {
 
   virtual bool begin(CodecConfig codecCfg, DriverPins &pins) {
     codec_cfg = codecCfg;
-    // manage reset pin -> acive high
+    // manage reset pin -> active high
     setPAPower(true);
     delay(10);
     p_pins = &pins;

src/Driver/es8388/es8388.c

@@ -183,7 +183,7 @@ error_t es8388_stop(codec_mode_t mode)
 
 
 /**
- * @brief Config I2s clock in MSATER mode
+ * @brief Config I2s clock in MASTER mode
  *
  * @param cfg.sclkDiv:      generate SCLK by dividing MCLK in MSATER mode
  * @param cfg.lclkDiv:      generate LCLK by dividing MCLK in MSATER mode
@@ -225,6 +225,16 @@ error_t es8388_init(codec_config_t *cfg, i2c_bus_handle_t handle)
     i2c_handle = handle;
 
     int res = 0;
+
+    // Here check if ES8388 is responding on the I2C bus
+    res = i2c_bus_check(handle, ES8388_ADDR);
+    if (res != 0) {
+        AD_LOGE("ES8388 not found on I2C bus, check wiring");
+        return res;
+    } else {
+        AD_LOGI("Found ES8388");
+    }
+
 #ifdef CONFIG_ESP_LYRAT_V4_3_BOARD
     headphone_detect_init(get_headphone_detect_gpio());
 #endif

src/DriverPins.h

@@ -128,6 +128,8 @@ struct PinsSPI {
         p_spi->begin();
 #endif
       }
+    } else {
+      AD_LOGI("SPI, not active, MOSI, MISO, SCLK, SSEL not modified");
     }
     return true;
   }
@@ -190,6 +192,8 @@ struct PinsI2C {
       }
       AD_LOGI("Setting i2c clock: %u", frequency);
       p_wire->setClock(frequency);
+    } else {
+      AD_LOGI("I2C, not active, SDA, SCL, i2c clock not modified");
     }
     return true;
   }
@@ -315,11 +319,14 @@ class DriverPins {
     AD_LOGD("DriverPins::begin");
 
     // setup function pins
+    AD_LOGD("DriverPins::begin::setupPinMode");
     setupPinMode();
 
     // setup spi
+    AD_LOGD("DriverPins::begin::SPI");
     bool result = true;
     for (auto &tmp : spi) {
+      AD_LOGD("DriverPins::begin::SPI::begin");
       if (tmp.function == PinFunction::SD)
         if (sd_active)
           result &= tmp.begin();
@@ -328,7 +335,9 @@ class DriverPins {
     }
 
     // setup i2c
+    AD_LOGD("DriverPins::begin::I2C");
     for (auto &tmp : i2c) {
+      AD_LOGD("DriverPins::begin::I2C::begin");
       result &= tmp.begin();
     }
     return result;
@@ -337,10 +346,12 @@ class DriverPins {
   void end() {
     // setup spi
     for (auto &tmp : spi) {
+      AD_LOGD("DriverPins::begin::SPI::end");
       tmp.end();
     }
     // setup i2c
     for (auto &tmp : i2c) {
+      AD_LOGD("DriverPins::begin::I2C::end");
       tmp.end();
     }
   }
@@ -388,7 +399,10 @@ class DriverPins {
           AD_LOGW("Pin '%d' not set up because of conflict", tmp.pin);
           tmp.active = false;
         }
+      } else {
+        AD_LOGD("Pin is -1");
       }
+      AD_LOGD("Pin %d set", tmp.pin);
     }
   }
 

src/Utils/I2C.cpp

@@ -29,6 +29,21 @@ error_t i2c_bus_write_bytes(i2c_bus_handle_t bus, int addr, uint8_t *reg,
   return result;
 }
 
+// this method is used !
+error_t i2c_bus_check(i2c_bus_handle_t bus, int addr) {
+  AD_LOGD("i2c_bus_check: addr=0x%X",addr);
+  TwoWire *p_wire = (TwoWire *)bus;
+  assert(p_wire!=nullptr);
+  int result = RESULT_OK;
+  p_wire->beginTransmission(addr); 
+  int rc = p_wire->endTransmission(I2C_END);
+  if (rc != 0) {
+    AD_LOGE("->p_wire->endTransmission: %d", rc);
+    result = RESULT_FAIL;
+  }
+  return result;
+}
+
 
 /// This method is used
 error_t i2c_bus_read_bytes(i2c_bus_handle_t bus, int addr, uint8_t *reg,

src/Utils/I2C.h

@@ -24,6 +24,18 @@ extern "C" {
  */
 error_t i2c_bus_write_bytes(i2c_bus_handle_t bus, int addr, uint8_t *reg, int regLen, uint8_t *data, int datalen);
 
+/**
+ * @brief Requests ACK from I2C device
+ * 
+ * @param bus        I2C bus handle
+ * @param addr       The address of the device
+ *
+ * @return
+ *     - NULL Fail
+ *     - Others Success
+ */
+error_t i2c_bus_check(i2c_bus_handle_t bus, int addr);
+
 
 /**
  * @brief Read bytes to I2C bus