279 lines
9.9 KiB
C
279 lines
9.9 KiB
C
/**
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****************************************************************************************
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* @addtogroup BLPS
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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_SENSOR)
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#include "gap.h"
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#include "gattc_task.h"
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#include "blps.h"
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#include "blps_task.h"
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#include "prf_utils.h"
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#include "ke_mem.h"
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#include "co_utils.h"
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/*
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* BLPS PROFILE ATTRIBUTES
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****************************************************************************************
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*/
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/// Full BLPS Database Description - Used to add attributes into the database
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const struct attm_desc blps_att_db[BPS_IDX_NB] =
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{
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// Blood Pressure Service Declaration
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[BPS_IDX_SVC] = {ATT_DECL_PRIMARY_SERVICE, PERM(RD, ENABLE), 0, 0},
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// Blood Pressure Measurement Characteristic Declaration
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[BPS_IDX_BP_MEAS_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// Blood Pressure Measurement Characteristic Value
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[BPS_IDX_BP_MEAS_VAL] = {ATT_CHAR_BLOOD_PRESSURE_MEAS, PERM(IND, ENABLE), PERM(RI, ENABLE), BLPS_BP_MEAS_MAX_LEN},
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// Blood Pressure Measurement Characteristic - Client Characteristic Configuration Descriptor
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[BPS_IDX_BP_MEAS_IND_CFG] = {ATT_DESC_CLIENT_CHAR_CFG, PERM(RD, ENABLE) | PERM(WRITE_REQ, ENABLE), 0, 0},
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// Blood Pressure Feature Characteristic Declaration
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[BPS_IDX_BP_FEATURE_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// Blood Pressure Feature Characteristic Value
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[BPS_IDX_BP_FEATURE_VAL] = {ATT_CHAR_BLOOD_PRESSURE_FEATURE, PERM(RD, ENABLE), PERM(RI, ENABLE), sizeof(uint16_t)},
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// Intermediate Cuff Pressure Characteristic Declaration
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[BPS_IDX_INTM_CUFF_PRESS_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// Intermediate Cuff Pressure Characteristic Value
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[BPS_IDX_INTM_CUFF_PRESS_VAL] = {ATT_CHAR_INTERMEDIATE_CUFF_PRESSURE, PERM(NTF, ENABLE), PERM(RI, ENABLE), BLPS_BP_MEAS_MAX_LEN},
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// Intermediate Cuff Pressure Characteristic - Client Characteristic Configuration Descriptor
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[BPS_IDX_INTM_CUFF_PRESS_NTF_CFG] = {ATT_DESC_CLIENT_CHAR_CFG, PERM(RD, ENABLE) | PERM(WRITE_REQ, ENABLE), 0, 0},
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};
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/*
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* LOCAL FUNCTIONS DEFINITIONS
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* @brief Initialization of the BLPS module.
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* This function performs all the initializations of the Profile module.
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* - Creation of database (if it's a service)
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* - Allocation of profile required memory
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* - Initialization of task descriptor to register application
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* - Task State array
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* - Number of tasks
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* - Default task handler
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*
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* @param[out] env Collector or Service allocated environment data.
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* @param[in|out] start_hdl Service start handle (0 - dynamically allocated), only applies for services.
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* @param[in] app_task Application task number.
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* @param[in] sec_lvl Security level (AUTH, EKS and MI field of @see enum attm_value_perm_mask)
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* @param[in] param Configuration parameters of profile collector or service (32 bits aligned)
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*
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* @return status code to know if profile initialization succeed or not.
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****************************************************************************************
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*/
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static uint8_t blps_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl, struct blps_db_cfg* params)
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{
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//------------------ create the attribute database for the profile -------------------
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// Service content flag
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uint32_t cfg_flag= BLPS_MANDATORY_MASK;
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// DB Creation Status
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uint8_t status = ATT_ERR_NO_ERROR;
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//Set Configuration Flag Value
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if (params->prfl_cfg & BLPS_INTM_CUFF_PRESS_SUP)
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{
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cfg_flag |= BLPS_INTM_CUFF_PRESS_MASK;
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}
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// Add service in the database
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status = attm_svc_create_db(start_hdl, ATT_SVC_BLOOD_PRESSURE, (uint8_t *)&cfg_flag,
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BPS_IDX_NB, NULL, env->task, &blps_att_db[0],
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(sec_lvl & (PERM_MASK_SVC_DIS | PERM_MASK_SVC_AUTH | PERM_MASK_SVC_EKS)) | PERM(SVC_MI, DISABLE));
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//-------------------- allocate memory required for the profile ---------------------
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if (status == ATT_ERR_NO_ERROR)
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{
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// Allocate BLPS required environment variable
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struct blps_env_tag* blps_env =
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(struct blps_env_tag* ) ke_malloc(sizeof(struct blps_env_tag), KE_MEM_ATT_DB);
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// Initialize BLPS environment
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env->env = (prf_env_t*) blps_env;
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blps_env->shdl = *start_hdl;
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blps_env->features = params->features;
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blps_env->prfl_cfg = params->prfl_cfg;
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blps_env->prf_env.app_task = app_task
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| (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE) : PERM(PRF_MI, DISABLE));
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// Multi Instantiated task
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blps_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);
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// initialize environment variable
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env->id = TASK_ID_BLPS;
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blps_task_init(&(env->desc));
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memset(blps_env->prfl_ntf_ind_cfg, 0, BLE_CONNECTION_MAX);
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/* Put BLS in disabled state */
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ke_state_set(env->task, BLPS_IDLE);
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}
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return (status);
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}
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/**
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****************************************************************************************
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* @brief Destruction of the BLPS module - due to a reset for instance.
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* This function clean-up allocated memory (attribute database is destroyed by another
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* procedure)
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*
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* @param[in|out] env Collector or Service allocated environment data.
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****************************************************************************************
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*/
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static void blps_destroy(struct prf_task_env* env)
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{
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struct blps_env_tag* blps_env = (struct blps_env_tag*) env->env;
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// free profile environment variables
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env->env = NULL;
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ke_free(blps_env);
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}
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/**
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****************************************************************************************
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* @brief Handles Connection creation
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*
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* @param[in|out] env Collector or Service allocated environment data.
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* @param[in] conidx Connection index
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****************************************************************************************
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*/
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static void blps_create(struct prf_task_env* env, uint8_t conidx)
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{
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struct blps_env_tag* blps_env = (struct blps_env_tag*) env->env;
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blps_env->prfl_ntf_ind_cfg[conidx] = 0;
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/* Put BLS in idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), BLPS_IDLE);
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}
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/**
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****************************************************************************************
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* @brief Handles Disconnection
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*
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* @param[in|out] env Collector or Service allocated environment data.
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* @param[in] conidx Connection index
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* @param[in] reason Detach reason
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****************************************************************************************
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*/
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static void blps_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct blps_env_tag* blps_env = (struct blps_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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blps_env->prfl_ntf_ind_cfg[conidx] = 0;
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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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/// BLPS Task interface required by profile manager
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const struct prf_task_cbs blps_itf =
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{
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(prf_init_fnct) blps_init,
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blps_destroy,
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blps_create,
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blps_cleanup,
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};
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/*
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* EXPORTED FUNCTIONS DEFINITIONS
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****************************************************************************************
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*/
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const struct prf_task_cbs* blps_prf_itf_get(void)
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{
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return &blps_itf;
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}
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uint8_t blps_pack_meas_value(uint8_t *packed_bp, const struct bps_bp_meas* pmeas_val)
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{
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uint8_t cursor;
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*(packed_bp) = pmeas_val->flags;
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// Blood Pressure Measurement Compound Value - Systolic
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co_write16p(packed_bp + 1, pmeas_val->systolic);
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// Blood Pressure Measurement Compound Value - Diastolic (mmHg)
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co_write16p(packed_bp + 3, pmeas_val->diastolic);
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// Blood Pressure Measurement Compound Value - Mean Arterial Pressure (mmHg)
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co_write16p(packed_bp + 5, pmeas_val->mean_arterial_pressure);
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cursor = 7;
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// time flag set
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if ((pmeas_val->flags & BPS_FLAG_TIME_STAMP_PRESENT) == BPS_FLAG_TIME_STAMP_PRESENT)
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{
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cursor += prf_pack_date_time(packed_bp + cursor, &(pmeas_val->time_stamp));
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}
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// Pulse rate flag set
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if ((pmeas_val->flags & BPS_FLAG_PULSE_RATE_PRESENT) == BPS_FLAG_PULSE_RATE_PRESENT)
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{
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co_write16p(packed_bp + cursor, pmeas_val->pulse_rate);
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cursor += 2;
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}
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// User ID flag set
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if ((pmeas_val->flags & BPS_FLAG_USER_ID_PRESENT) == BPS_FLAG_USER_ID_PRESENT)
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{
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*(packed_bp + cursor) = pmeas_val->user_id;
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cursor += 1;
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}
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// Measurement status flag set
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if ((pmeas_val->flags & BPS_FLAG_MEAS_STATUS_PRESENT) == BPS_FLAG_MEAS_STATUS_PRESENT)
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{
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co_write16p(packed_bp + cursor, pmeas_val->meas_status);
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cursor += 2;
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}
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// clear unused packet data
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if(cursor < BLPS_BP_MEAS_MAX_LEN)
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{
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memset(packed_bp + cursor, 0, BLPS_BP_MEAS_MAX_LEN - cursor);
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}
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return cursor;
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}
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void blps_meas_send_rsp_send(uint8_t conidx, uint8_t status)
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{
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// Get the address of the environment
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struct blps_env_tag *blps_env = PRF_ENV_GET(BLPS, blps);
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struct blps_meas_send_rsp * rsp = KE_MSG_ALLOC(BLPS_MEAS_SEND_RSP,
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prf_dst_task_get(&blps_env->prf_env, conidx),
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prf_src_task_get(&blps_env->prf_env, conidx),
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blps_meas_send_rsp);
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rsp->conidx = conidx;
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rsp->status = status;
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ke_msg_send(rsp);
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}
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#endif /* BLE_BP_SENSOR */
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/// @} BLPS
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