Diff: TestAudio.h

Revision:

3:7ef908e84ae1

Parent:

2:2f4b7535ceb3

--- a/TestAudio.h	Thu Aug 28 09:36:13 2014 +0000
+++ b/TestAudio.h	Mon Sep 08 11:34:53 2014 +0000
@@ -17,6 +17,11 @@
 #ifndef TESTAUDIO_H
 #define TESTAUDIO_H
 
+#include "WM8731.h"
+#include "I2S.h"
+
+#define ECHOLENGTH 12000
+
 
 /**
  * Test the WM8731 audio codec and the audio connectors on 
@@ -26,6 +31,11 @@
 public:
 
     /**
+     * Create an interface to the audio codec
+     */
+    TestAudio();
+
+    /**
      * Test the audio
      *
      * @return true if the test was successful; otherwise false
@@ -34,6 +44,21 @@
 
 private:
 
+    /**
+     * Callback function for I2S
+     */
+	void echo(void);
+
+	WM8731 _codec;
+	I2S _i2sTx;
+	I2S _i2sRx;
+	AnalogIn _aIn;
+
+	int _waveIdx;
+	int _echoBufPtr;
+	int _echoBuf[ECHOLENGTH];
+	int _txBuf[16];
+	int _rxBuf[16];
 };
 
 #endif