PDM_MIC_INDEX added to devicedefines.h

module_usb_audio/devicedefines.h

@@ -215,6 +215,16 @@
 #define NUM_PDM_MICS            (0)
 #endif
 
+/**
+ * @brief PDM Microphone first channel index, defines which channels microphones will be input on.
+ * Note, indexed from 0.
+ *
+ * Default: 0 (i.e. channels [0:NUM_PDM_MICS-1])
+ * */
+#ifndef PDM_MIC_INDEX
+#define PDM_MIC_INDEX           (0)
+#endif
+
 /**
  * @brief Enable MIDI functionality including buffering, descriptors etc. Default: DISABLED
  */