256 lines
8.7 KiB
C
256 lines
8.7 KiB
C
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#ifndef _CPPC_H_
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#define _CPPC_H_
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/**
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****************************************************************************************
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* @addtogroup CPPC Cycling Power Profile Collector
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* @ingroup CPP
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* @brief Cycling Power Profile Collector
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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 "cpp_common.h"
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#if (BLE_CP_COLLECTOR)
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#include "cppc_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 Cycling Power Collector task instances
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#define CPPC_IDX_MAX (BLE_CONNECTION_MAX)
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/*
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* ENUMERATIONS
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****************************************************************************************
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*/
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/// Possible states of the CPPC task
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enum cppc_states
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{
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/// Idle state
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CPPC_FREE,
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/// Connected state
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CPPC_IDLE,
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/// Busy state
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CPPC_DISCOVERING,
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/// Busy state
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CPPC_BUSY,
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/// Number of defined states.
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CPPC_STATE_MAX
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};
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/// Internal codes for reading/writing a CPS characteristic with one single request
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enum cppc_code
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{
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/// Notified CP Measurement
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CPPC_NTF_CP_MEAS = CPP_CPS_MEAS_CHAR,
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/// Read CP Feature
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CPPC_RD_CP_FEAT = CPP_CPS_FEAT_CHAR,
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/// Read Sensor Location
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CPPC_RD_SENSOR_LOC = CPP_CPS_SENSOR_LOC_CHAR,
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/// Notified Vector
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CPPC_NTF_CP_VECTOR = CPP_CPS_VECTOR_CHAR,
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/// Indicated SC Control Point
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CPPC_IND_CTNL_PT = CPP_CPS_CTNL_PT_CHAR,
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/// Read/Write CP Measurement Client Char. Configuration Descriptor
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CPPC_RD_WR_CP_MEAS_CL_CFG = (CPPC_DESC_CP_MEAS_CL_CFG | CPPC_DESC_MASK),
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/// Read/Write CP Measurement Server Char. Configuration Descriptor
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CPPC_RD_WR_CP_MEAS_SV_CFG = (CPPC_DESC_CP_MEAS_SV_CFG | CPPC_DESC_MASK),
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/// Read/Write Vector Client Char. Configuration Descriptor
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CPPC_RD_WR_VECTOR_CFG = (CPPC_DESC_VECTOR_CL_CFG | CPPC_DESC_MASK),
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/// Read SC Control Point Client Char. Configuration Descriptor
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CPPC_RD_WR_CTNL_PT_CFG = (CPPC_DESC_CTNL_PT_CL_CFG | CPPC_DESC_MASK),
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};
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/*
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* STRUCTURES
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****************************************************************************************
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*/
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struct cppc_cnx_env
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{
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/// Current Operation
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void *operation;
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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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/// Counter used to check service uniqueness
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uint8_t nb_svc;
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/// Cycling Power Service Characteristics
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struct cppc_cps_content cps;
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};
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/// Cycling Power Profile Collector environment variable
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struct cppc_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 cppc_cnx_env* env[CPPC_IDX_MAX];
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/// State of different task instances
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ke_state_t state[CPPC_IDX_MAX];
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};
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/// Command Message Basic Structure
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struct cppc_cmd
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{
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/// Operation Code
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uint8_t operation;
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/// MORE DATA
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};
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/*
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* GLOBAL VARIABLE DEFINITIONS
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****************************************************************************************
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*/
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/*
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* GLOBAL FUNCTION DECLARATIONS
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* @brief Retrieve CPP client profile interface
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* @return CPP client profile interface
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****************************************************************************************
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*/
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const struct prf_task_cbs* cppc_prf_itf_get(void);
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/**
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****************************************************************************************
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* @brief Send Cycling Power ATT DB discovery results to CPPC host.
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* @param[in] cppc_env environment variable
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* @param[in] conidx Connection index
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* @param[in] status Satus
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****************************************************************************************
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*/
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void cppc_enable_rsp_send(struct cppc_env_tag *cppc_env, uint8_t conidx, uint8_t status);
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/**
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****************************************************************************************
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* @brief Send a CPPC_CMP_EVT message when no connection exists (no environment)
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* @param[in] src_id Source task
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* @param[in] dest_id Destination task
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* @param[in] operation Operation
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****************************************************************************************
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*/
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void cppc_send_no_conn_cmp_evt(uint8_t src_id, uint8_t dest_id, uint8_t operation);
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/**
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****************************************************************************************
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* @brief Send a CPPC_CMP_EVT message to the task which enabled the profile
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* @param[in] cppc_env environment variable
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* @param[in] conidx Connection index
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* @param[in] operation Operation
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* @param[in] status Satus
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****************************************************************************************
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*/
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void cppc_send_cmp_evt(struct cppc_env_tag *cppc_env, uint8_t conidx, uint8_t operation, uint8_t status);
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/**
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****************************************************************************************
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* @brief Gets correct read handle according to the request
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* @param[in] cppc_env environment variable
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* @param[in] conidx Connection index
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* @param[in] param Pointer to the parameters of the message.
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* @return handle
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****************************************************************************************
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*/
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uint16_t cppc_get_read_handle_req (struct cppc_env_tag *cppc_env, uint8_t conidx, struct cpps_read_cmd *param);
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/**
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****************************************************************************************
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* @brief Gets correct write handle according to the request
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* @param[in] conidx Connection index
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] cppc_env environment variable
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* @param[out] handle handle
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* @return status of the operation
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****************************************************************************************
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*/
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uint8_t cppc_get_write_desc_handle_req (uint8_t conidx, struct cppc_cfg_ntfind_cmd *param, struct cppc_env_tag *cppc_env, uint16_t *handle);
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/**
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****************************************************************************************
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* @brief Unpacks measurement data and sends the indication
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* @param[in] conidx Connection index
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] cppc_env environment variable
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* @return length
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****************************************************************************************
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*/
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uint8_t cppc_unpack_meas_ind (uint8_t conidx, struct gattc_event_ind const *param, struct cppc_env_tag *cppc_env);
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/**
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****************************************************************************************
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* @brief Unpacks Vector data and sends the indication
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* @param[in] conidx Connection index
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] cppc_env environment variable
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* @return length
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****************************************************************************************
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*/
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uint8_t cppc_unpack_vector_ind (uint8_t conidx, struct gattc_event_ind const *param, struct cppc_env_tag *cppc_env);
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/**
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****************************************************************************************
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* @brief Packs Control Point data
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* @param[in] param Pointer to the parameters of the message.
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* @param[out] req packed message
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* @param[out] status status of the operation
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* @return length
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****************************************************************************************
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*/
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uint8_t cppc_pack_ctnl_pt_req (struct cppc_ctnl_pt_cfg_req *param, uint8_t *req, uint8_t *status);
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/**
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****************************************************************************************
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* @brief Unpacks Control Point data and sends the indication
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* @param[in] conidx Connection index
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* @param[in] param Pointer to the parameters of the message.
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* @param[in] cppc_env environment variable
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* @return length
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****************************************************************************************
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*/
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uint8_t cppc_unpack_ctln_pt_ind (uint8_t conidx, struct gattc_event_ind const *param,struct cppc_env_tag *cppc_env);
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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 cppc_task_init(struct ke_task_desc *task_desc);
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#endif //(BLE_CP_COLLECTOR)
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/// @} CPPC
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#endif //(_CPPC_H_)
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