ESP32 I2S prevent uninitialized pin

pschatzmann · Jun 12, 2024 · 58714de · 58714de
1 parent beb311f
commit 58714de
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/AudioI2S/I2SConfigESP32.h b/src/AudioI2S/I2SConfigESP32.h
@@ -63,7 +63,7 @@ class I2SConfigESP32 : public AudioInfo {
     int port_no = 0;  // processor dependent port
     int pin_ws = PIN_I2S_WS;
     int pin_bck = PIN_I2S_BCK;
-    int pin_data; // rx or tx pin dependent on mode: tx pin for RXTX_MODE
+    int pin_data = -1; // rx or tx pin dependent on mode: tx pin for RXTX_MODE
     int pin_data_rx = -1; // rx pin for RXTX_MODE
     int pin_mck = PIN_I2S_MCK;
     int buffer_count = I2S_BUFFER_COUNT;

diff --git a/src/AudioI2S/I2SConfigESP32V1.h b/src/AudioI2S/I2SConfigESP32V1.h
@@ -54,8 +54,8 @@ class I2SConfigESP32V1 : public AudioInfo {
     int port_no = 0;  // processor dependent port
     int pin_ws = PIN_I2S_WS;
     int pin_bck = PIN_I2S_BCK;
-    int pin_data; // rx or tx pin dependent on mode: tx pin for RXTX_MODE
-    int pin_data_rx; // rx pin for RXTX_MODE
+    int pin_data = -1; // rx or tx pin dependent on mode: tx pin for RXTX_MODE
+    int pin_data_rx = -1; // rx pin for RXTX_MODE
     int pin_mck = PIN_I2S_MCK;
     int buffer_count = I2S_BUFFER_COUNT;
     int buffer_size = I2S_BUFFER_SIZE;