208 lines
6.7 KiB
C
208 lines
6.7 KiB
C
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/**
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****************************************************************************************
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* @addtogroup BASC
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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_BATT_CLIENT)
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#include "gap.h"
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#include "basc.h"
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#include "basc_task.h"
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#include "co_math.h"
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#include "ke_mem.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 BASC 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 basc_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 basc_env_tag* basc_env =
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(struct basc_env_tag* ) ke_malloc(sizeof(struct basc_env_tag), KE_MEM_ATT_DB);
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// allocate BASC required environment variable
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env->env = (prf_env_t*) basc_env;
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basc_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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basc_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_BASC;
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basc_task_init(&(env->desc));
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for(idx = 0; idx < BASC_IDX_MAX ; idx++)
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{
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basc_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), BASC_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 BASC 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 basc_destroy(struct prf_task_env* env)
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{
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uint8_t idx;
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struct basc_env_tag* basc_env = (struct basc_env_tag*) env->env;
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// cleanup environment variable for each task instances
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for(idx = 0; idx < BASC_IDX_MAX ; idx++)
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{
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if(basc_env->env[idx] != NULL)
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{
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if(basc_env->env[idx]->operation != NULL)
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{
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ke_free(basc_env->env[idx]->operation);
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}
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ke_free(basc_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(basc_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 basc_create(struct prf_task_env* env, uint8_t conidx)
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{
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/* Put BAS Client in Idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), BASC_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 basc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct basc_env_tag* basc_env = (struct basc_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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if(basc_env->env[conidx] != NULL)
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{
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if(basc_env->env[conidx]->operation != NULL)
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{
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ke_free(basc_env->env[conidx]->operation);
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}
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ke_free(basc_env->env[conidx]);
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basc_env->env[conidx] = NULL;
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}
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/* Put BAS Client in Free state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), BASC_FREE);
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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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/// BASC Task interface required by profile manager
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const struct prf_task_cbs basc_itf =
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{
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basc_init,
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basc_destroy,
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basc_create,
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basc_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* basc_prf_itf_get(void)
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{
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return &basc_itf;
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}
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void basc_enable_rsp_send(struct basc_env_tag *basc_env, uint8_t conidx, uint8_t status)
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{
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// Counter
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uint8_t svc_inst;
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// Send APP the details of the discovered attributes on BASC
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struct basc_enable_rsp * rsp = KE_MSG_ALLOC(BASC_ENABLE_RSP,
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prf_dst_task_get(&(basc_env->prf_env) ,conidx),
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prf_src_task_get(&(basc_env->prf_env) ,conidx),
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basc_enable_rsp);
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rsp->status = status;
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rsp->bas_nb = 0;
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if (status == GAP_ERR_NO_ERROR)
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{
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rsp->bas_nb = basc_env->env[conidx]->bas_nb;
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for (svc_inst = 0; svc_inst < co_min(basc_env->env[conidx]->bas_nb, BASC_NB_BAS_INSTANCES_MAX) ; svc_inst++)
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{
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rsp->bas[svc_inst] = basc_env->env[conidx]->bas[svc_inst];
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// Register BASC task in gatt for indication/notifications
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prf_register_atthdl2gatt(&(basc_env->prf_env), conidx, &basc_env->env[conidx]->bas[svc_inst].svc);
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}
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}
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ke_msg_send(rsp);
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}
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#endif /* (BLE_BATT_CLIENT) */
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/// @} BASC
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