> ## Documentation Index > Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt > Use this file to discover all available pages before exploring further. # SA Hdt API **Header:** `spf/api/modules/sa_hdt_api.h` ## Structures ### `sa_hdt_stream_info_map_t` **Members** ### `param_id_sa_hdt_stream_info_t` **Members** ### `param_id_sa_hdt_op_mode_t` **Members** ### `param_id_sa_hdt_tracking_config_t` **Members** ### `param_id_sa_hdt_tracking_recenter_t` **Members** ### `param_id_sa_hdt_tracking_status_t` **Members** ## Type Definitions ### `sa_hdt_stream_info_map_t` ```cpp theme={null} typedef struct sa_hdt_stream_info_map_t sa_hdt_stream_info_map_t ``` ### `param_id_sa_hdt_stream_info_t` ```cpp theme={null} typedef struct param_id_sa_hdt_stream_info_t param_id_sa_hdt_stream_info_t ``` ### `param_id_sa_hdt_op_mode_t` ```cpp theme={null} typedef struct param_id_sa_hdt_op_mode_t param_id_sa_hdt_op_mode_t ``` ### `param_id_sa_hdt_tracking_config_t` ```cpp theme={null} typedef struct param_id_sa_hdt_tracking_config_t param_id_sa_hdt_tracking_config_t ``` ### `param_id_sa_hdt_tracking_recenter_t` ```cpp theme={null} typedef struct param_id_sa_hdt_tracking_recenter_t param_id_sa_hdt_tracking_recenter_t ``` ### `param_id_sa_hdt_tracking_status_t` ```cpp theme={null} typedef struct param_id_sa_hdt_tracking_status_t param_id_sa_hdt_tracking_status_t ``` ## Macros ### `SA_HDT_STACK_SIZE` ```c theme={null} #define SA_HDT_STACK_SIZE 4096 ``` ### `SA_HDT_MAX_IN_PORTS` ```c theme={null} #define SA_HDT_MAX_IN_PORTS 0x1 ``` ### `SA_HDT_MAX_OUT_PORTS` ```c theme={null} #define SA_HDT_MAX_OUT_PORTS 0x0 ``` ### `PORT_ID_SA_HDT_INPUT` ```c theme={null} #define PORT_ID_SA_HDT_INPUT 0x2 ``` ### `PORT_ID_SA_HDT_OUTPUT` ```c theme={null} #define PORT_ID_SA_HDT_OUTPUT 0x1 ``` ### `SA_HDT_MAX_INTENTS_PER_CTRL_PORT` ```c theme={null} #define SA_HDT_MAX_INTENTS_PER_CTRL_PORT 2 ``` ### `SA_HDT_OUT_RAW_DATA` ```c theme={null} #define SA_HDT_OUT_RAW_DATA AR_NON_GUID(0xC0000001) ``` ### `SA_HDT_OUT_ORIENTATION_DATA` ```c theme={null} #define SA_HDT_OUT_ORIENTATION_DATA AR_NON_GUID(0xC0000002) ``` ### `SA_HDT_FROM_AIR` ```c theme={null} #define SA_HDT_FROM_AIR 1 ``` ### `SA_HDT_TO_AIR` ```c theme={null} #define SA_HDT_TO_AIR 0 ``` ### `PARAM_ID_SA_HDT_STREAM_INFO` Parameter ID of SA HDT Stream Info. ```c theme={null} #define PARAM_ID_SA_HDT_STREAM_INFO 0x08001B95 ``` ### `PARAM_ID_SA_HDT_OP_MODE` Parameter ID of SA HDT OP Mode. ```c theme={null} #define PARAM_ID_SA_HDT_OP_MODE 0x08001B96 ``` ### `PARAM_ID_SA_HDT_TRACKING_CONFIG` Parameter ID for SA HDT Tracking Configuration. ```c theme={null} #define PARAM_ID_SA_HDT_TRACKING_CONFIG 0x08010007 ``` ### `PARAM_ID_SA_HDT_TRACKING_RECENTER` Parameter ID for SA HDT Tracking Recenter. ```c theme={null} #define PARAM_ID_SA_HDT_TRACKING_RECENTER 0x08F013DB ``` ### `PARAM_ID_SA_HDT_TRACKING_STATUS` Parameter ID for SA HDT Tracking Status (Read-only) ```c theme={null} #define PARAM_ID_SA_HDT_TRACKING_STATUS 0x08F013E0 ``` ### `MODULE_ID_SA_HDT` ```c theme={null} #define MODULE_ID_SA_HDT 0x0702C005 ```