osxAcousticSL Software Library: D:/Documents/Repositories/DMIC/Private/Fw/OSX_Libraries/Workspace/Middlewares/ST/STM32_OSX_AcousticSL_Library/Inc/osx_acoustic_sl.h Source File

osxAcousticSL

osxAcousticSL Software Library
 
 /* 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****/
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