324 lines
11 KiB
C
324 lines
11 KiB
C
/**
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****************************************************************************************
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* @addtogroup HRPS
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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_HR_SENSOR)
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#include "attm.h"
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#include "gap.h"
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#include "gapc_task.h"
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#include "gattc_task.h"
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#include "hrps.h"
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#include "hrps_task.h"
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#include "prf_utils.h"
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#include "co_utils.h"
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#include "ke_mem.h"
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/*
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* HTPT PROFILE ATTRIBUTES
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****************************************************************************************
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*/
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/// Full HRS Database Description - Used to add attributes into the database
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const struct attm_desc hrps_att_db[HRS_IDX_NB] = {
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// Heart Rate Service Declaration
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[HRS_IDX_SVC] = {ATT_DECL_PRIMARY_SERVICE, PERM(RD, ENABLE), 0, 0},
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// Heart Rate Measurement Characteristic Declaration
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[HRS_IDX_HR_MEAS_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0, 0},
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// Heart Rate Measurement Characteristic Value
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[HRS_IDX_HR_MEAS_VAL] = {ATT_CHAR_HEART_RATE_MEAS, PERM(NTF, ENABLE),
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PERM(RI, ENABLE), HRPS_HT_MEAS_MAX_LEN},
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// Heart Rate Measurement Characteristic - Client Characteristic
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// Configuration Descriptor
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[HRS_IDX_HR_MEAS_NTF_CFG] = {ATT_DESC_CLIENT_CHAR_CFG,
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PERM(RD, ENABLE) | PERM(WRITE_REQ, ENABLE), 0,
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0},
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// Body Sensor Location Characteristic Declaration
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[HRS_IDX_BODY_SENSOR_LOC_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE),
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0, 0},
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// Body Sensor Location Characteristic Value
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[HRS_IDX_BODY_SENSOR_LOC_VAL] = {ATT_CHAR_BODY_SENSOR_LOCATION,
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PERM(RD, ENABLE), PERM(RI, ENABLE),
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sizeof(uint8_t)},
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// Heart Rate Control Point Characteristic Declaration
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[HRS_IDX_HR_CTNL_PT_CHAR] = {ATT_DECL_CHARACTERISTIC, PERM(RD, ENABLE), 0,
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0},
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// Heart Rate Control Point Characteristic Value
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[HRS_IDX_HR_CTNL_PT_VAL] = {ATT_CHAR_HEART_RATE_CNTL_POINT,
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PERM(WRITE_REQ, ENABLE), PERM(RI, ENABLE),
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sizeof(uint8_t)},
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};
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/**
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****************************************************************************************
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* @brief Initialization of the HRPS 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),
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*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
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*attm_value_perm_mask)
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* @param[in] param Configuration parameters of profile collector or
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*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 hrps_init(struct prf_task_env *env, uint16_t *start_hdl,
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uint16_t app_task, uint8_t sec_lvl,
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struct hrps_db_cfg *params) {
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//------------------ create the attribute database for the profile
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//------------------- Service Configuration Flag
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uint8_t cfg_flag = HRPS_MANDATORY_MASK;
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// Database 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 (HRPS_IS_SUPPORTED(params->features, HRPS_BODY_SENSOR_LOC_CHAR_SUP)) {
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cfg_flag |= HRPS_BODY_SENSOR_LOC_MASK;
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}
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if (HRPS_IS_SUPPORTED(params->features, HRPS_ENGY_EXP_FEAT_SUP)) {
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cfg_flag |= HRPS_HR_CTNL_PT_MASK;
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}
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// Add Service Into Database
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status = attm_svc_create_db(
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start_hdl, ATT_SVC_HEART_RATE, (uint8_t *)&cfg_flag, HRS_IDX_NB, NULL,
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env->task, &hrps_att_db[0],
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(sec_lvl & (PERM_MASK_SVC_DIS | PERM_MASK_SVC_AUTH | PERM_MASK_SVC_EKS)) |
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PERM(SVC_MI, DISABLE));
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//-------------------- allocate memory required for the profile
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//---------------------
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if (status == ATT_ERR_NO_ERROR) {
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// Allocate HRPS required environment variable
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struct hrps_env_tag *hrps_env = (struct hrps_env_tag *)ke_malloc(
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sizeof(struct hrps_env_tag), KE_MEM_ATT_DB);
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// Initialize HRPS environment
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env->env = (prf_env_t *)hrps_env;
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hrps_env->shdl = *start_hdl;
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hrps_env->features = params->features;
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hrps_env->sensor_location = params->body_sensor_loc;
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hrps_env->operation = NULL;
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hrps_env->prf_env.app_task =
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app_task | (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE)
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: PERM(PRF_MI, DISABLE));
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// Mono Instantiated task
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hrps_env->prf_env.prf_task = env->task | PERM(PRF_MI, DISABLE);
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// initialize environment variable
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env->id = TASK_ID_HRPS;
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hrps_task_init(&(env->desc));
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/* Put HRS in Idle state */
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ke_state_set(env->task, HRPS_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 HRPS module - due to a reset for instance.
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* This function clean-up allocated memory (attribute database is destroyed by
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*another 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 hrps_destroy(struct prf_task_env *env) {
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struct hrps_env_tag *hrps_env = (struct hrps_env_tag *)env->env;
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// free profile environment variables
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if (hrps_env->operation != NULL) {
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ke_free(hrps_env->operation);
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}
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env->env = NULL;
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ke_free(hrps_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 hrps_create(struct prf_task_env *env, uint8_t conidx) {
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/* Nothing to do */
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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 hrps_cleanup(struct prf_task_env *env, uint8_t conidx,
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uint8_t reason) {
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/* Nothing to do */
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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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/// HRPS Task interface required by profile manager
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const struct prf_task_cbs hrps_itf = {
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(prf_init_fnct)hrps_init,
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hrps_destroy,
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hrps_create,
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hrps_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 *hrps_prf_itf_get(void) { return &hrps_itf; }
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/*
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* EXPORTED FUNCTIONS DEFINITIONS
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****************************************************************************************
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*/
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void hrps_meas_send_rsp_send(uint8_t status) {
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// Get the address of the environment
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struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);
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// Send CFM to APP that value has been sent or not
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struct hrps_meas_send_rsp *cfm =
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KE_MSG_ALLOC(HRPS_MEAS_SEND_RSP, prf_dst_task_get(&hrps_env->prf_env, 0),
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prf_src_task_get(&hrps_env->prf_env, 0), hrps_meas_send_rsp);
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cfm->status = status;
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ke_msg_send(cfm);
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}
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uint8_t hrps_pack_meas_value(uint8_t *packed_hr,
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const struct hrs_hr_meas *pmeas_val) {
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uint8_t cursor = 0;
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uint8_t i = 0;
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// Heart Rate measurement flags
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*(packed_hr) = pmeas_val->flags;
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if ((pmeas_val->flags & HRS_FLAG_HR_16BITS_VALUE) ==
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HRS_FLAG_HR_16BITS_VALUE) {
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// Heart Rate Measurement Value 16 bits
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co_write16p(packed_hr + 1, pmeas_val->heart_rate);
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cursor += 3;
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} else {
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// Heart Rate Measurement Value 8 bits
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*(packed_hr + 1) = pmeas_val->heart_rate;
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cursor += 2;
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}
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if ((pmeas_val->flags & HRS_FLAG_ENERGY_EXPENDED_PRESENT) ==
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HRS_FLAG_ENERGY_EXPENDED_PRESENT) {
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// Energy Expended present
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co_write16p(packed_hr + cursor, pmeas_val->energy_expended);
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cursor += 2;
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}
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if ((pmeas_val->flags & HRS_FLAG_RR_INTERVAL_PRESENT) ==
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HRS_FLAG_RR_INTERVAL_PRESENT) {
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for (i = 0;
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(i < (pmeas_val->nb_rr_interval)) && (i < (HRS_MAX_RR_INTERVAL));
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i++) {
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// RR-Intervals
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co_write16p(packed_hr + cursor, pmeas_val->rr_intervals[i]);
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cursor += 2;
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}
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}
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// Clear unused packet data
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if (cursor < HRPS_HT_MEAS_MAX_LEN) {
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memset(packed_hr + cursor, 0, HRPS_HT_MEAS_MAX_LEN - cursor);
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}
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return cursor;
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}
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void hrps_exe_operation(void) {
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struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);
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ASSERT_ERR(hrps_env->operation != NULL);
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bool finished = true;
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while (hrps_env->operation->cursor < BLE_CONNECTION_MAX) {
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// Check if notifications are enabled
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if ((hrps_env->hr_meas_ntf[hrps_env->operation->cursor] &
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~HRP_PRF_CFG_PERFORMED_OK) == PRF_CLI_START_NTF) {
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// Allocate the GATT notification message
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struct gattc_send_evt_cmd *meas_val =
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KE_MSG_ALLOC_DYN(GATTC_SEND_EVT_CMD,
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KE_BUILD_ID(TASK_GATTC, hrps_env->operation->cursor),
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prf_src_task_get(&(hrps_env->prf_env), 0),
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gattc_send_evt_cmd, hrps_env->operation->length);
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// Fill in the parameter structure
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meas_val->operation = GATTC_NOTIFY;
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meas_val->handle = hrps_env->shdl + HRS_IDX_HR_MEAS_VAL;
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meas_val->length = hrps_env->operation->length;
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memcpy(meas_val->value, hrps_env->operation->data,
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hrps_env->operation->length);
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// Send the event
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ke_msg_send(meas_val);
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finished = false;
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hrps_env->operation->cursor++;
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break;
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}
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hrps_env->operation->cursor++;
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}
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// check if operation is finished
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if (finished) {
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// Send confirmation
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hrps_meas_send_rsp_send(GAP_ERR_NO_ERROR);
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// free operation
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ke_free(hrps_env->operation);
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hrps_env->operation = NULL;
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// go back to idle state
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ke_state_set(prf_src_task_get(&(hrps_env->prf_env), 0), HRPS_IDLE);
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}
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}
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#endif /* BLE_HR_SENSOR */
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/// @} HRPS
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