From 990090a4cc9070837d31e66b58d40f0c3d038741 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Sun, 16 Mar 2014 14:41:11 +0200
Subject: Add usblib and utils

---
 utils/wavfile.h | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 utils/wavfile.h

(limited to 'utils/wavfile.h')

diff --git a/utils/wavfile.h b/utils/wavfile.h
new file mode 100644
index 0000000..f044301
--- /dev/null
+++ b/utils/wavfile.h
@@ -0,0 +1,97 @@
+//*****************************************************************************
+//
+// wavfile.h - This file supports reading audio data from a .wav file and
+// reading the file format.
+//
+// Copyright (c) 2012-2014 Texas Instruments Incorporated.  All rights reserved.
+// Software License Agreement
+// 
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+// 
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+// 
+// This is part of revision 2.1.0.12573 of the Tiva Utility Library.
+//
+//*****************************************************************************
+
+#ifndef WAVEFILE_H_
+#define WAVEFILE_H_
+
+//*****************************************************************************
+//
+// The wav file header information.
+//
+//*****************************************************************************
+typedef struct
+{
+    //
+    // Sample rate in bytes per second.
+    //
+    uint32_t ui32SampleRate;
+
+    //
+    // The average byte rate for the wav file.
+    //
+    uint32_t ui32AvgByteRate;
+
+    //
+    // The size of the wav data in the file.
+    //
+    uint32_t ui32DataSize;
+
+    //
+    // The number of bits per sample.
+    //
+    uint16_t ui16BitsPerSample;
+
+    //
+    // The wav file format.
+    //
+    uint16_t ui16Format;
+
+    //
+    // The number of audio channels.
+    //
+    uint16_t ui16NumChannels;
+}
+tWavHeader;
+
+//*****************************************************************************
+//
+// The structure used to hold the wav file state.
+//
+//*****************************************************************************
+typedef struct
+{
+    //
+    // The wav files header information
+    //
+    tWavHeader sWavHeader;
+
+    //
+    // The file information for the current file.
+    //
+    FIL i16File;
+
+    //
+    // Current state flags, a combination of the WAV_FLAG_* values.
+    //
+    uint32_t ui32Flags;
+} tWavFile;
+
+void WavGetFormat(tWavFile *psWavData, tWavHeader *psWaveHeader);
+int WavOpen(const char *pcFileName, tWavFile *psWavData);
+void WavClose(tWavFile *psWavData);
+uint16_t WavRead(tWavFile *psWavData, unsigned char *pucBuffer,
+                        uint32_t ui32Size);
+
+#endif
-- 
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