diff options
| author | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:41:11 +0200 |
|---|---|---|
| committer | Yuval Adam <yuv.adm@gmail.com> | 2014-03-16 14:41:11 +0200 |
| commit | 990090a4cc9070837d31e66b58d40f0c3d038741 (patch) | |
| tree | cf1b905082c364e9b223e0c5058566103138dae5 /utils/wavfile.h | |
| parent | 7f4da522479c0f00126219f0c23b804c3a93d7a6 (diff) | |
Add usblib and utils
Diffstat (limited to 'utils/wavfile.h')
| -rw-r--r-- | utils/wavfile.h | 97 |
1 files changed, 97 insertions, 0 deletions
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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