ESP32 Open I2S in douplex mode by default

Author: pschatzmann

src/AudioTools/CoreAudio/AudioI2S/I2SESP32V1.h

@@ -84,7 +84,7 @@ class I2SDriverESP32V1 {
 
   /// stops the I2C and unistalls the driver
   void end() {
-    TRACED();
+    TRACEI();
     if (rx_chan != nullptr) {
       i2s_channel_disable(rx_chan);
       i2s_del_channel(rx_chan);
@@ -106,6 +106,7 @@ class I2SDriverESP32V1 {
   size_t writeBytes(const void *src, size_t size_bytes) {
     TRACED();
     size_t result;
+    assert(tx_chan !=nullptr);
     if (i2s_channel_write(tx_chan, src, size_bytes, &result,
                           ticks_to_wait_write) != ESP_OK) {
       TRACEE();
@@ -130,7 +131,7 @@ class I2SDriverESP32V1 {
   }
 
  protected:
-  I2SConfigESP32V1 cfg = defaultConfig(RX_MODE);
+  I2SConfigESP32V1 cfg = defaultConfig(RXTX_MODE);
   i2s_std_config_t i2s_config;
   i2s_chan_handle_t tx_chan = nullptr;  // I2S tx channel handler
   i2s_chan_handle_t rx_chan = nullptr;  // I2S rx channel handler

src/AudioTools/CoreAudio/AudioI2S/I2SStream.h

@@ -51,7 +51,7 @@ class I2SStream : public AudioStream {
   }
 
   bool begin() {
-    TRACED();
+    TRACEI();
     I2SConfig cfg = i2s.config();
     if (!cfg){
       LOGE("unsuported AudioInfo: sample_rate: %d / channels: %d / bits_per_sample: %d", (int) cfg.sample_rate, (int)cfg.channels, (int)cfg.bits_per_sample);
@@ -82,7 +82,7 @@ class I2SStream : public AudioStream {
 
   /// Stops the I2S interface
   void end() {
-    TRACED();
+    TRACEI();
     is_active = false;
     mute(true);
     i2s.end();