osx_acoustic_sl.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __OSX_ACOUSTIC_SL_H
#define __OSX_ACOUSTIC_SL_H

#include "stdint.h"

/* Includes ------------------------------------------------------------------*/
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported define -----------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */

#define OSX_ACOUSTIC_SL_ALGORITHM_XCORR                0x00000001
#define OSX_ACOUSTIC_SL_ALGORITHM_GCCP                 0x00000002
#define OSX_ACOUSTIC_SL_ALGORITHM_BMPH                 0x00000004

#define OSX_ACOUSTIC_SL_ALGORITHM_ERROR                0x00000001
#define OSX_ACOUSTIC_SL_PTR_CHANNELS_ERROR             0x00000002
#define OSX_ACOUSTIC_SL_CHANNEL_NUMBER_ERROR           0x00000004
#define OSX_ACOUSTIC_SL_SAMPLING_FREQ_ERROR            0x00000008
#define OSX_ACOUSTIC_SL_RESOLUTION_ERROR               0x00000010
#define OSX_ACOUSTIC_SL_THRESHOLD_ERROR                0x00000020
#define OSX_ACOUSTIC_SL_DISTANCE_ERROR                 0x00000040
#define OSX_ACOUSTIC_SL_NUM_OF_SAMPLES_ERROR           0x00000080
#define OSX_ACOUSTIC_SL_LOCK_ERROR                     0x80000000

#define OSX_ACOUSTIC_SL_NO_AUDIO_DETECTED              -100  

typedef struct
{
  uint32_t algorithm;                           
  uint32_t sampling_frequency;                  
  uint32_t channel_number;                      
  uint8_t ptr_M1_channels;                      
  uint8_t ptr_M2_channels;                      
  uint8_t ptr_M3_channels;                      
  uint8_t ptr_M4_channels;                      
  uint16_t M12_distance;                        
  uint16_t M34_distance;                        
  uint32_t internal_memory_size;                
  uint32_t * pInternalMemory;                   
  int16_t samples_to_process;                   
} osx_AcousticSL_Handler_t;

typedef struct
{
  uint16_t threshold;                           
  uint32_t resolution;                          
} osx_AcousticSL_Config_t;


uint32_t osx_AcousticSL_getMemorySize(osx_AcousticSL_Handler_t * pHandler);

uint32_t osx_AcousticSL_Init(osx_AcousticSL_Handler_t * pHandler);

uint32_t osx_AcousticSL_Data_Input(void *pM1, void *pM2, void *pM3, void *pM4, osx_AcousticSL_Handler_t * pHandler);

uint32_t osx_AcousticSL_Process(int32_t * Estimated_Angle, osx_AcousticSL_Handler_t * pHandler);

uint32_t osx_AcousticSL_setConfig(osx_AcousticSL_Handler_t * pHandler, osx_AcousticSL_Config_t * pConfig);

uint32_t osx_AcousticSL_getConfig(osx_AcousticSL_Handler_t * pHandler, osx_AcousticSL_Config_t * pConfig);

uint32_t osx_AcousticSL_GetLibVersion(char *version);

uint32_t osx_AcousticSL_Initialize(void);

#endif /* __OSX_ACOUSTIC_SL_H */

/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/