236 lines
7.6 KiB
C
236 lines
7.6 KiB
C
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/**
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****************************************************************************************
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* @addtogroup BLPC
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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.h"
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#include "blpc_task.h"
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#include "gap.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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* 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 BLPC 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 blpc_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task, uint8_t sec_lvl, void* params)
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{
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uint8_t idx;
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//-------------------- allocate memory required for the profile ---------------------
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struct blpc_env_tag* blpc_env =
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(struct blpc_env_tag* ) ke_malloc(sizeof(struct blpc_env_tag), KE_MEM_ATT_DB);
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// allocate BLPC required environment variable
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env->env = (prf_env_t*) blpc_env;
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blpc_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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blpc_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_BLPC;
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blpc_task_init(&(env->desc));
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for(idx = 0; idx < BLPC_IDX_MAX ; idx++)
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{
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blpc_env->env[idx] = NULL;
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// service is ready, go into an Idle state
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ke_state_set(KE_BUILD_ID(env->task, idx), BLPC_FREE);
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}
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return GAP_ERR_NO_ERROR;
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}
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/**
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****************************************************************************************
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* @brief Clean-up connection dedicated environment parameters
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* This function performs cleanup of ongoing operations
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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 blpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct blpc_env_tag* blpc_env = (struct blpc_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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if(blpc_env->env[conidx] != NULL)
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{
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ke_free(blpc_env->env[conidx]);
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blpc_env->env[conidx] = NULL;
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}
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/* Put BLP Client in Free state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), BLPC_FREE);
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}
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/**
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****************************************************************************************
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* @brief Destruction of the BLPC 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 blpc_destroy(struct prf_task_env* env)
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{
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uint8_t idx;
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struct blpc_env_tag* blpc_env = (struct blpc_env_tag*) env->env;
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// cleanup environment variable for each task instances
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for(idx = 0; idx < BLPC_IDX_MAX ; idx++)
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{
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blpc_cleanup(env, idx, 0);
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}
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// free profile environment variables
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env->env = NULL;
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ke_free(blpc_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 blpc_create(struct prf_task_env* env, uint8_t conidx)
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{
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/* Put BLP Client in Idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), BLPC_IDLE);
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}
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/// BLPC Task interface required by profile manager
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const struct prf_task_cbs blpc_itf =
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{
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blpc_init,
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blpc_destroy,
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blpc_create,
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blpc_cleanup,
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};
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/*
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* GLOBAL FUNCTIONS DEFINITIONS
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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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return &blpc_itf;
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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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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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// Send to APP the details of the discovered attributes on BLPS
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struct blpc_enable_rsp * rsp = KE_MSG_ALLOC(
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BLPC_ENABLE_RSP,
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prf_dst_task_get(&(blpc_env->prf_env), conidx),
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prf_src_task_get(&(blpc_env->prf_env), conidx),
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blpc_enable_rsp);
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rsp->status = status;
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if (status == GAP_ERR_NO_ERROR)
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{
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rsp->bps = blpc_env->env[conidx]->bps;
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prf_register_atthdl2gatt(&(blpc_env->prf_env), conidx, &(blpc_env->env[conidx]->bps.svc));
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// Go to connected state
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ke_state_set(prf_src_task_get(&(blpc_env->prf_env), conidx), BLPC_IDLE);
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}
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ke_msg_send(rsp);
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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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uint8_t cursor;
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// blood pressure measurement flags
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pmeas_val->flags = packed_bp[0];
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// Blood Pressure Measurement Compound Value - Systolic
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pmeas_val->systolic = co_read16p(&(packed_bp[1]));
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// Blood Pressure Measurement Compound Value - Diastolic (mmHg)
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pmeas_val->diastolic = co_read16p(&(packed_bp[3]));
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// Blood Pressure Measurement Compound Value - Mean Arterial Pressure (mmHg)
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pmeas_val->mean_arterial_pressure = co_read16p(&(packed_bp[5]));
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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_unpack_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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pmeas_val->pulse_rate = co_read16p(&(packed_bp[cursor + 0]));
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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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pmeas_val->user_id = packed_bp[cursor + 0];
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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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pmeas_val->meas_status = co_read16p(&(packed_bp[cursor + 0]));
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cursor += 2;
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}
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}
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#endif /* (BLE_BP_COLLECTOR) */
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/// @} BLPC
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