sound.h

关于测试at91sam9260的各种驱动和功能的测试源代码。

/*************************************** Copyright (c) *************************************************
*
*			            POLAR STAR
*				   北天星国际有限公司
*				   http://www.po-star.com
*
*文 件 名: sound.h 
*
*编译环境：ADS1.2
*
********************************************************************************************************/



#ifndef sound_h
#define sound_h

#define AT91C_WAV_FILE_SIZE		940800 // in bytes
#define AT91C_WAV_FILE_SAMPLING_FREQ	44100 // in Hz

typedef struct _AT91S_WaveHeaderDESC
{
unsigned char riff[4]; // The word "riff"
unsigned int fileSize;
unsigned char wave[4]; // "wave"
unsigned char fmt[4]; // "fmt " (note space)
unsigned int fmtSize; // should be 16
unsigned short WaveType; // 0x01 is PCM
unsigned short monoStereo; // mono=1 stereo=2
unsigned int sampleRate;  // in Hz
unsigned int sampleSpeed; // in bytes/second
unsigned short alignment; // block alignment
unsigned short sampleWidth; // in bits/sample
unsigned char data[4]; // "data"
unsigned int chunkSize; // Bytes in this data section

} AT91S_WaveHeaderDESC, *AT91PS_WaveHeaderDESC;

extern AT91PS_WaveHeaderDESC sdram_file;
/*extern const int wav_file[];*/
#endif // end sound_h