238 lines
7.9 KiB
C
238 lines
7.9 KiB
C
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/**
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****************************************************************************************
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* @addtogroup CSCPC
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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_CSC_COLLECTOR)
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#include "cscp_common.h"
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#include "cscpc.h"
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#include "cscpc_task.h"
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#include "ke_timer.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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* GLOBAL VARIABLES DECLARATION
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****************************************************************************************
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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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/**
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****************************************************************************************
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* @brief Initialization of the CSCPC 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 cscpc_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 cscpc_env_tag* cscpc_env =
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(struct cscpc_env_tag* ) ke_malloc(sizeof(struct cscpc_env_tag), KE_MEM_ATT_DB);
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// allocate CSCPC required environment variable
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env->env = (prf_env_t*) cscpc_env;
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cscpc_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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cscpc_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_CSCPC;
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cscpc_task_init(&(env->desc));
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for(idx = 0; idx < CSCPC_IDX_MAX ; idx++)
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{
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cscpc_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), CSCPC_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 cscpc_cleanup(struct prf_task_env* env, uint8_t conidx, uint8_t reason)
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{
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struct cscpc_env_tag* cscpc_env = (struct cscpc_env_tag*) env->env;
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// clean-up environment variable allocated for task instance
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if(cscpc_env->env[conidx] != NULL)
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{
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if (cscpc_env->env[conidx]->operation != NULL)
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{
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ke_free(ke_param2msg(cscpc_env->env[conidx]->operation));
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}
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ke_timer_clear(CSCPC_TIMEOUT_TIMER_IND, prf_src_task_get(&cscpc_env->prf_env, conidx));
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ke_free(cscpc_env->env[conidx]);
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cscpc_env->env[conidx] = NULL;
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}
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/* Put CSCP Client in Free state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), CSCPC_FREE);
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}
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/**
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****************************************************************************************
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* @brief Destruction of the CSCPC 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 cscpc_destroy(struct prf_task_env* env)
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{
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uint8_t idx;
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struct cscpc_env_tag* cscpc_env = (struct cscpc_env_tag*) env->env;
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// cleanup environment variable for each task instances
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for(idx = 0; idx < CSCPC_IDX_MAX ; idx++)
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{
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cscpc_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(cscpc_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 cscpc_create(struct prf_task_env* env, uint8_t conidx)
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{
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/* Put CSCP Client in Idle state */
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ke_state_set(KE_BUILD_ID(env->task, conidx), CSCPC_IDLE);
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}
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/// CSCPC Task interface required by profile manager
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const struct prf_task_cbs cscpc_itf =
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{
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cscpc_init,
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cscpc_destroy,
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cscpc_create,
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cscpc_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* cscpc_prf_itf_get(void)
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{
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return &cscpc_itf;
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}
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void cscpc_enable_rsp_send(struct cscpc_env_tag *cscpc_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 CSCPS
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struct cscpc_enable_rsp * rsp = KE_MSG_ALLOC(
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CSCPC_ENABLE_RSP,
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prf_dst_task_get(&(cscpc_env->prf_env), conidx),
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prf_src_task_get(&(cscpc_env->prf_env), conidx),
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cscpc_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->cscs = cscpc_env->env[conidx]->cscs;
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// Register CSCPC task in gatt for indication/notifications
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prf_register_atthdl2gatt(&(cscpc_env->prf_env), conidx, &(cscpc_env->env[conidx]->cscs.svc));
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// Go to connected state
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ke_state_set(prf_src_task_get(&(cscpc_env->prf_env), conidx), CSCPC_IDLE);
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}
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ke_msg_send(rsp);
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}
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void cscpc_send_no_conn_cmp_evt(uint8_t src_id, uint8_t dest_id, uint8_t operation)
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{
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// Send the message
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struct cscpc_cmp_evt *evt = KE_MSG_ALLOC(CSCPC_CMP_EVT,
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dest_id, src_id,
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cscpc_cmp_evt);
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evt->operation = operation;
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evt->status = PRF_ERR_REQ_DISALLOWED;
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ke_msg_send(evt);
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}
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void cscpc_send_cmp_evt(struct cscpc_env_tag *cscpc_env, uint8_t conidx, uint8_t operation, uint8_t status)
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{
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// Free the stored operation if needed
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if (cscpc_env->env[conidx]->operation != NULL)
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{
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ke_msg_free(ke_param2msg(cscpc_env->env[conidx]->operation));
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cscpc_env->env[conidx]->operation = NULL;
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}
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// Go back to the CONNECTED state if the state is busy
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if (ke_state_get(prf_src_task_get(&(cscpc_env->prf_env), conidx)) == CSCPC_BUSY)
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{
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ke_state_set(prf_src_task_get(&(cscpc_env->prf_env), conidx), CSCPC_IDLE);
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}
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// Send the message
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struct cscpc_cmp_evt *evt = KE_MSG_ALLOC(CSCPC_CMP_EVT,
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prf_dst_task_get(&(cscpc_env->prf_env), conidx),
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prf_src_task_get(&(cscpc_env->prf_env), conidx),
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cscpc_cmp_evt);
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evt->operation = operation;
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evt->status = status;
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ke_msg_send(evt);
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}
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#endif //(BLE_CSC_COLLECTOR)
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/// @} CSCP
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