IS_I2S_IMPLEMENTED and make SPDIFOutput optional

Author: pschatzmann

examples/examples-communication/a2dp/streams-a2dp-spdif/streams-a2dp-spdif.ino

@@ -6,6 +6,7 @@
  * @copyright GPLv3
  */
 #include "AudioTools.h"
+#include "AudioLibs/SPDIFOutput.h"
 #include "BluetoothA2DPSink.h"
 
 AudioInfo info(44100, 2, 16);

examples/examples-stream/streams-generator-spdif/streams-generator-spdif.ino

@@ -7,7 +7,7 @@
  */
 
 #include "AudioTools.h"
-
+#include "AudioLibs/SPDIFOutput.h"
 
 AudioInfo info(44100, 2, 16);
 SineWaveGenerator<int16_t> sineWave(32000);                // subclass of SoundGenerator with max amplitude of 32000

src/AudioI2S/I2SESP32.h

@@ -10,9 +10,11 @@
 #include "esp_system.h"
 
 #ifndef I2S_MCLK_MULTIPLE_DEFAULT
-#define I2S_MCLK_MULTIPLE_DEFAULT ((i2s_mclk_multiple_t)0)
+#  define I2S_MCLK_MULTIPLE_DEFAULT ((i2s_mclk_multiple_t)0)
 #endif
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 /**

src/AudioI2S/I2SESP32V1.h

@@ -11,6 +11,9 @@
 #include "driver/i2s_tdm.h"
 #include "esp_system.h"
 
+#define IS_I2S_IMPLEMENTED 
+
+
 namespace audio_tools {
 
 /**

src/AudioI2S/I2SESP8266.h

@@ -6,6 +6,8 @@
 #include "AudioI2S/I2SConfig.h"
 #include "AudioTools/AudioLogger.h"
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 /**

src/AudioI2S/I2SNanoSenseBLE.h

@@ -9,6 +9,8 @@
 #include "AudioTools/AudioTypes.h"
 #include "AudioTools/Buffers.h"
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 static int i2s_buffer_size = 0;

src/AudioI2S/I2SRP2040-MBED.h

@@ -4,6 +4,8 @@
 #if defined(RP2040_MBED)
 #include "RP2040-I2S.h"
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 #if !defined(ARDUINO_ARCH_MBED_RP2040)

src/AudioI2S/I2SRP2040.h

@@ -4,6 +4,8 @@
 #if defined(RP2040_HOWER)
 #include <I2S.h>
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 /**

src/AudioI2S/I2SSAMD.h

@@ -2,9 +2,10 @@
 
 #if defined(ARDUINO_ARCH_SAMD)
 #include <I2S.h>
-
 #include "AudioI2S/I2SConfig.h"
 
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 /**

src/AudioI2S/I2SSTM32.h

@@ -4,6 +4,9 @@
 #include "AudioI2S/I2SConfig.h"
 #include "stm32-i2s.h"
 
+#ifdef STM_I2S_PINS
+#define IS_I2S_IMPLEMENTED 
+
 namespace audio_tools {
 
 /**
@@ -415,3 +418,4 @@ using I2SDriver = I2SDriverSTM32;
 }  // namespace audio_tools
 
 #endif
+#endif