Set initial volume

Author: pschatzmann

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

@@ -18,8 +18,8 @@ StreamCopy copier(out, sound);
 void setup() {
   // Setup logging
   Serial.begin(115200);
-  AudioLogger::instance().begin(Serial, AudioLogger::Info);
-  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+  AudioLogger::instance().begin(Serial, AudioLogger::Warning);
+  LOGLEVEL_AUDIODRIVER = AudioDriverWarning;
 
   // setup pins
   // - add i2c codec pins: scl, sda, port, (I2C object)

examples/audiotools/audiotools-custom-min/audiotools-custom-min.ino

@@ -17,8 +17,8 @@ StreamCopy copier(out, sound);
 void setup() {
   // Setup logging
   Serial.begin(115200);
-  AudioLogger::instance().begin(Serial, AudioLogger::Info);
-  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+  AudioLogger::instance().begin(Serial, AudioLogger::Warning);
+  LOGLEVEL_AUDIODRIVER = AudioDriverWarning;
 
   // initialize i2c because board has no i2c definition
   Wire.begin();

examples/audiotools/audiotools-standard/audiotools-standard.ino

@@ -16,8 +16,8 @@ StreamCopy copier(out, sound);
 void setup() {
   // Setup logging
   Serial.begin(115200);
-  AudioLogger::instance().begin(Serial, AudioLogger::Info);
-  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+  AudioLogger::instance().begin(Serial, AudioLogger::Warning);
+  LOGLEVEL_AUDIODRIVER = AudioDriverWarning;
 
   // start I2S & codec with i2c and i2s configured above
   Serial.println("starting I2S...");

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

@@ -11,6 +11,10 @@ DriverPins my_pins;
 AudioBoard board(AudioDriverES8388);
 
 void setup() {
+  // Setup logging
+  Serial.begin(115200);
+  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+
   // add i2c codec pins: scl, sda, port
   my_pins.addI2C(CODEC, 32, 22, 0x20);
   // example add other pins: PA on gpio 21

examples/custom/custom-min/custom-min.ino

@@ -9,6 +9,10 @@
 AudioBoard board(AudioDriverES8388);
 
 void setup() {
+  // Setup logging
+  Serial.begin(115200);
+  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+
   // start I2C for the communication with the codec
   Wire.begin();
   // configure codec

examples/custom/custom-standard/custom-standard.ino

@@ -6,6 +6,10 @@
 #include "AudioBoard.h"
 
 void setup() {
+  // Setup logging
+  Serial.begin(115200);
+  LOGLEVEL_AUDIODRIVER = AudioDriverInfo;
+
   // configure codec
   CodecConfig cfg;
   cfg.adc_input = ADC_INPUT_LINE1;

src/AudioBoard.h

@@ -23,7 +23,9 @@ class AudioBoard {
   }
 
   bool begin(){
-    return pins.begin() && driver->begin(codec_cfg, pins);
+    bool result = pins.begin() && driver->begin(codec_cfg, pins);
+    setVolume(DRIVER_DEFAULT_VOLUME);
+    return result;
   }
 
   bool begin(CodecConfig cfg) {

src/Common.h

@@ -7,19 +7,24 @@
  * @defgroup enumerations Public enumeration types
  */
 
-/// Definitions for error constants.
-#define RESULT_OK 0    /*!< error_t value indicating success (no error) */
-#define RESULT_FAIL -1 /*!< Generic error_t code indicating failure */
-#define ERROR_INVALID_ARG 1
-#define I2C_END true
+// Default volume at startup
+#ifndef DRIVER_DEFAULT_VOLUME
+#  define DRIVER_DEFAULT_VOLUME 70
+#endif
 
 // Define the default gain for the microphone amp (see values from
 // es_mic_gain_t) Alternativly you can call es8388_set_mic_gain(es_mic_gain_t
 // gain) if you prefer to use value from an comprehensive enum
 #ifndef ES8388_DEFAULT_INPUT_GAIN
-#define ES8388_DEFAULT_INPUT_GAIN 25
+#  define ES8388_DEFAULT_INPUT_GAIN 25
 #endif
 
+/// Fixed Definitions
+#define RESULT_OK 0    /*!< error_t value indicating success (no error) */
+#define RESULT_FAIL -1 /*!< Generic error_t code indicating failure */
+#define ERROR_INVALID_ARG 1
+#define I2C_END true
+
 #ifdef __cplusplus
 namespace audio_driver {
 #endif