156 lines
4.8 KiB
C
156 lines
4.8 KiB
C
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#ifndef _BLPC_H_
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#define _BLPC_H_
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/**
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****************************************************************************************
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* @addtogroup BLPC Blood Pressure Profile Collector
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* @ingroup BLP
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* @brief Blood Pressure Profile Collector
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*
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* The BLPC is responsible for providing Blood Pressure Profile Collector functionalities
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* to upper layer module or application. The device using this profile takes the role
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* of Blood Pressure Profile Collector.
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*
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* Blood Pressure Profile Collector. (BLPC): A BLPC (e.g. PC, phone, etc)
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* is the term used by this profile to describe a device that can interpret blood pressure
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* measurement in a way suitable to the user application.
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*
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* @{
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****************************************************************************************
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*/
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/*
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* INCLUDE FILES
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****************************************************************************************
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*/
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#include "rwip_config.h"
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#if (BLE_BP_COLLECTOR)
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#include "blpc_task.h"
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#include "ke_task.h"
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#include "prf_types.h"
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#include "prf_utils.h"
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/*
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* DEFINES
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****************************************************************************************
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*/
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///Maximum number of Blood Pressure Collector task instances
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#define BLPC_IDX_MAX (BLE_CONNECTION_MAX)
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/// Possible states of the BLPC task
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enum
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{
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/// Free state
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BLPC_FREE,
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/// IDLE state
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BLPC_IDLE,
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/// Discovering Blood Pressure SVC and CHars
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BLPC_DISCOVERING,
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/// Busy state
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BLPC_BUSY,
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/// Number of defined states.
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BLPC_STATE_MAX
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};
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/// Internal codes for reading a BPS or DIS characteristic with one single request
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enum
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{
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///Read BPS Blood pressure Measurement
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BLPC_RD_BPS_BP_MEAS = BLPC_CHAR_BP_MEAS,
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///Read BPS Intermdiate Cuff Pressure
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BLPC_RD_BPS_CP_MEAS = BLPC_CHAR_CP_MEAS,
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///Read BPS Blood pressure Features
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BLPC_RD_BPS_FEATURE = BLPC_CHAR_BP_FEATURE,
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///Read BPS Blood pressure Measurement Client Cfg. Desc
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BLPC_RD_BPS_BP_MEAS_CFG = (BLPC_DESC_MASK | BLPC_DESC_BP_MEAS_CLI_CFG),
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///Read BPS Intermdiate Cuff Pressure Client Cfg. Desc
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BLPC_RD_BPS_CP_MEAS_CFG = (BLPC_DESC_MASK | BLPC_DESC_IC_MEAS_CLI_CFG),
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};
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/*
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* TYPE DEFINITIONS
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****************************************************************************************
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*/
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struct blpc_cnx_env
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{
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/// Last requested UUID(to keep track of the two services and char)
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uint16_t last_uuid_req;
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/// Last characteristic code used in a read or a write request
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uint16_t last_char_code;
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/// Counter used to check service uniqueness
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uint8_t nb_svc;
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/// Current operation code
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uint8_t operation;
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///HTS characteristics
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struct bps_content bps;
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};
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/// Blood Pressure Profile Collector environment variable
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struct blpc_env_tag
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{
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/// profile environment
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prf_env_t prf_env;
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/// Environment variable pointer for each connections
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struct blpc_cnx_env* env[BLPC_IDX_MAX];
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/// State of different task instances
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ke_state_t state[BLPC_IDX_MAX];
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};
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/*
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* FUNCTION DECLARATIONS
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* @brief Retrieve BLP client profile interface
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* @return BLP client profile interface
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****************************************************************************************
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*/
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const struct prf_task_cbs* blpc_prf_itf_get(void);
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/**
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****************************************************************************************
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* @brief Send Blood Pressure ATT DB discovery results to BLPC host.
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****************************************************************************************
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*/
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void blpc_enable_rsp_send(struct blpc_env_tag *blpc_env, uint8_t conidx, uint8_t status);
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/**
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****************************************************************************************
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* @brief Unpack Blood pressure measurement data into a comprehensive structure.
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*
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* @param[out] pmeas_val Pointer to Blood pressure measurement structure destination
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* @param[in] packed_bp Pointer of the packed data of Blood Pressure Measurement
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* information
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****************************************************************************************
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*/
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void blpc_unpack_meas_value(struct bps_bp_meas* pmeas_val, uint8_t* packed_bp);
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/*
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* TASK DESCRIPTOR DECLARATIONS
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* Initialize task handler
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*
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* @param task_desc Task descriptor to fill
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****************************************************************************************
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*/
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void blpc_task_init(struct ke_task_desc *task_desc);
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#endif /* (BLE_BP_COLLECTOR) */
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/// @} BLPC
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#endif /* _BLPC_H_ */
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