288 lines
9.2 KiB
C
288 lines
9.2 KiB
C
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/**
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****************************************************************************************
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* @addtogroup HTPC
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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_HT_COLLECTOR)
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#include "htpc.h"
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#include "htpc_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 FUNCTION 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 HTPC 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 htpc_init(struct prf_task_env* env, uint16_t* start_hdl, uint16_t app_task,
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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 htpc_env_tag* htpc_env =
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(struct htpc_env_tag* ) ke_malloc(sizeof(struct htpc_env_tag), KE_MEM_ATT_DB);
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// allocate HTPC required environment variable
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env->env = (prf_env_t*) htpc_env;
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htpc_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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htpc_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_HTPC;
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htpc_task_init(&(env->desc));
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for(idx = 0; idx < HTPC_IDX_MAX ; idx++)
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{
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htpc_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), HTPC_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 Destruction of the HTPC 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 htpc_destroy(struct prf_task_env* env)
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{
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uint8_t idx;
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struct htpc_env_tag* htpc_env = (struct htpc_env_tag*) env->env;
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// cleanup environment variable for each task instances
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for(idx = 0; idx < HTPC_IDX_MAX ; idx++)
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{
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if(htpc_env->env[idx] != NULL)
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{
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if(htpc_env->env[idx]->operation != NULL)
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{
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ke_msg_free(htpc_env->env[idx]->operation);
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}
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ke_free(htpc_env->env[idx]);
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}
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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(htpc_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 htpc_create(struct prf_task_env* env, uint8_t conidx)
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{
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/* Put HTP Client in Idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), HTPC_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 htpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct htpc_env_tag* htpc_env = (struct htpc_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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if(htpc_env->env[conidx] != NULL)
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{
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if(htpc_env->env[conidx]->operation != NULL)
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{
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ke_msg_free(htpc_env->env[conidx]->operation);
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}
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ke_free(htpc_env->env[conidx]);
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htpc_env->env[conidx] = NULL;
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}
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/* Put HTP Client in Free state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), HTPC_FREE);
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}
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void htpc_unpack_temp(struct htpc_env_tag *htpc_env, uint8_t *packed_temp,
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uint8_t length, uint8_t flag_stable_meas, uint8_t conidx)
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{
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// Cursor used to read parameter in the packed temperature value
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uint8_t cursor = 0;
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// Checked the length of the received value
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if (length >= HTPC_PACKED_TEMP_MIN_LEN)
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{
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// Prepare the message to send to the application
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struct htpc_temp_ind *ind = KE_MSG_ALLOC(HTPC_TEMP_IND,
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prf_dst_task_get(&htpc_env->prf_env, conidx),
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prf_src_task_get(&htpc_env->prf_env, conidx),
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htpc_temp_ind);
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// Unpack Temp Measurement
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ind->temp_meas.flags = *(packed_temp + cursor);
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cursor += 1;
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ind->temp_meas.temp = co_read32p(packed_temp + cursor);
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cursor += 4;
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// Time Flag Set
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if ((ind->temp_meas.flags & HTP_FLAG_TIME) == HTP_FLAG_TIME)
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{
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cursor += prf_unpack_date_time(packed_temp+cursor, &(ind->temp_meas.time_stamp));
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}
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// Type Flag set
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if ((ind->temp_meas.flags & HTP_FLAG_TYPE) == HTP_FLAG_TYPE)
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{
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ind->temp_meas.type = *(packed_temp + cursor);
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}
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// Stable or intermediary type of temperature
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ind->stable_meas = flag_stable_meas;
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//Send request to ATT
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ke_msg_send(ind);
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}
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}
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#if 0
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uint8_t htpc_get_next_desc_char_code(struct htpc_env_tag *htpc_env,
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const struct prf_char_desc_def *desc_def)
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{
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// Counter
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uint8_t i;
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uint8_t next_char_code;
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for (i=0; i<HTPC_DESC_HTS_MAX; i++)
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{
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next_char_code = desc_def[i].char_code;
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if (next_char_code > htpc_env->last_char_code)
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{
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//If Char. has been found and number of attributes is upper than 2
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if ((htpc_env->hts.chars[next_char_code].char_hdl != 0)
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& (htpc_env->hts.chars[next_char_code].char_ehdl_off > 2))
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{
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return next_char_code;
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}
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}
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}
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return i;
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}
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#endif
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/*
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* GLOBAL VARIABLE DEFINITIONS
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****************************************************************************************
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*/
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/// HTPC Task interface required by profile manager
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const struct prf_task_cbs htpc_itf =
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{
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(prf_init_fnct) htpc_init,
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htpc_destroy,
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htpc_create,
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htpc_cleanup,
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};
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/*
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* FUNCTION DEFINITIONS
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****************************************************************************************
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*/
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const struct prf_task_cbs* htpc_prf_itf_get(void)
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{
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return &htpc_itf;
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}
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void htpc_enable_rsp_send(struct htpc_env_tag *htpc_env, uint8_t conidx, uint8_t status)
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{
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// Inform the APP about the status of the enabling of the Health Thermometer Profile Collector role 5awk
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struct htpc_enable_rsp *cfm = KE_MSG_ALLOC(HTPC_ENABLE_RSP,
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prf_dst_task_get(&(htpc_env->prf_env), conidx),
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prf_src_task_get(&(htpc_env->prf_env), conidx),
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htpc_enable_rsp);
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// Status
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cfm->status = status;
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if (status == GAP_ERR_NO_ERROR)
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{
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cfm->hts = htpc_env->env[conidx]->hts;
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// Go to IDLE state
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ke_state_set(prf_src_task_get(&(htpc_env->prf_env), conidx), HTPC_IDLE);
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// Register profile handle to catch gatt indications
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prf_register_atthdl2gatt(&(htpc_env->prf_env), conidx, &htpc_env->env[conidx]->hts.svc );
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}
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else
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{
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if(htpc_env->env[conidx] != NULL)
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{
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// clean-up environment variable allocated for task instance
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if(htpc_env->env[conidx]->operation != NULL)
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{
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ke_free(htpc_env->env[conidx]->operation);
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}
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ke_free(htpc_env->env[conidx]);
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htpc_env->env[conidx] = NULL;
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}
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}
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// Send the confirmation to the application
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ke_msg_send(cfm);
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}
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#endif //BLE_HT_COLLECTOR
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/// @} HTPC
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