pinebuds/services/ble_profiles/bas/basc/src/basc.c

/**
 ****************************************************************************************
 * @addtogroup BASC
 * @{
 ****************************************************************************************
 */

/*
 * INCLUDE FILES
 ****************************************************************************************
 */
#include "rwip_config.h"

#if (BLE_BATT_CLIENT)

#include "basc.h"
#include "basc_task.h"
#include "co_math.h"
#include "gap.h"

#include "ke_mem.h"

/*
 * LOCAL FUNCTION DEFINITIONS
 ****************************************************************************************
 */
/**
 ****************************************************************************************
 * @brief Initialization of the BASC module.
 * This function performs all the initializations of the Profile module.
 *  - Creation of database (if it's a service)
 *  - Allocation of profile required memory
 *  - Initialization of task descriptor to register application
 *      - Task State array
 *      - Number of tasks
 *      - Default task handler
 *
 * @param[out]    env        Collector or Service allocated environment data.
 * @param[in|out] start_hdl  Service start handle (0 - dynamically allocated),
 *only applies for services.
 * @param[in]     app_task   Application task number.
 * @param[in]     sec_lvl    Security level (AUTH, EKS and MI field of @see enum
 *attm_value_perm_mask)
 * @param[in]     param      Configuration parameters of profile collector or
 *service (32 bits aligned)
 *
 * @return status code to know if profile initialization succeed or not.
 ****************************************************************************************
 */
static uint8_t basc_init(struct prf_task_env *env, uint16_t *start_hdl,
                         uint16_t app_task, uint8_t sec_lvl, void *params) {
  uint8_t idx;
  //-------------------- allocate memory required for the profile
  //---------------------

  struct basc_env_tag *basc_env = (struct basc_env_tag *)ke_malloc(
      sizeof(struct basc_env_tag), KE_MEM_ATT_DB);

  // allocate BASC required environment variable
  env->env = (prf_env_t *)basc_env;

  basc_env->prf_env.app_task =
      app_task | (PERM_GET(sec_lvl, SVC_MI) ? PERM(PRF_MI, ENABLE)
                                            : PERM(PRF_MI, DISABLE));
  basc_env->prf_env.prf_task = env->task | PERM(PRF_MI, ENABLE);

  // initialize environment variable
  env->id = TASK_ID_BASC;
  basc_task_init(&(env->desc));

  for (idx = 0; idx < BASC_IDX_MAX; idx++) {
    basc_env->env[idx] = NULL;
    // service is ready, go into an Idle state
    ke_state_set(KE_BUILD_ID(env->task, idx), BASC_FREE);
  }

  return GAP_ERR_NO_ERROR;
}

/**
 ****************************************************************************************
 * @brief Destruction of the BASC module - due to a reset for instance.
 * This function clean-up allocated memory (attribute database is destroyed by
 *another procedure)
 *
 * @param[in|out]    env        Collector or Service allocated environment data.
 ****************************************************************************************
 */
static void basc_destroy(struct prf_task_env *env) {
  uint8_t idx;
  struct basc_env_tag *basc_env = (struct basc_env_tag *)env->env;

  // cleanup environment variable for each task instances
  for (idx = 0; idx < BASC_IDX_MAX; idx++) {
    if (basc_env->env[idx] != NULL) {
      if (basc_env->env[idx]->operation != NULL) {
        ke_free(basc_env->env[idx]->operation);
      }
      ke_free(basc_env->env[idx]);
    }
  }

  // free profile environment variables
  env->env = NULL;
  ke_free(basc_env);
}

/**
 ****************************************************************************************
 * @brief Handles Connection creation
 *
 * @param[in|out]    env        Collector or Service allocated environment data.
 * @param[in]        conidx     Connection index
 ****************************************************************************************
 */
static void basc_create(struct prf_task_env *env, uint8_t conidx) {
  /* Put BAS Client in Idle state */
  ke_state_set(KE_BUILD_ID(env->task, conidx), BASC_IDLE);
}

/**
 ****************************************************************************************
 * @brief Handles Disconnection
 *
 * @param[in|out]    env        Collector or Service allocated environment data.
 * @param[in]        conidx     Connection index
 * @param[in]        reason     Detach reason
 ****************************************************************************************
 */
static void basc_cleanup(struct prf_task_env *env, uint8_t conidx,
                         uint8_t reason) {
  struct basc_env_tag *basc_env = (struct basc_env_tag *)env->env;

  // clean-up environment variable allocated for task instance
  if (basc_env->env[conidx] != NULL) {
    if (basc_env->env[conidx]->operation != NULL) {
      ke_free(basc_env->env[conidx]->operation);
    }
    ke_free(basc_env->env[conidx]);
    basc_env->env[conidx] = NULL;
  }

  /* Put BAS Client in Free state */
  ke_state_set(KE_BUILD_ID(env->task, conidx), BASC_FREE);
}

/*
 * GLOBAL VARIABLE DEFINITIONS
 ****************************************************************************************
 */

/// BASC Task interface required by profile manager
const struct prf_task_cbs basc_itf = {
    basc_init,
    basc_destroy,
    basc_create,
    basc_cleanup,
};

/*
 * GLOBAL FUNCTIONS DEFINITIONS
 ****************************************************************************************
 */

const struct prf_task_cbs *basc_prf_itf_get(void) { return &basc_itf; }

void basc_enable_rsp_send(struct basc_env_tag *basc_env, uint8_t conidx,
                          uint8_t status) {
  // Counter
  uint8_t svc_inst;

  // Send APP the details of the discovered attributes on BASC
  struct basc_enable_rsp *rsp = KE_MSG_ALLOC(
      BASC_ENABLE_RSP, prf_dst_task_get(&(basc_env->prf_env), conidx),
      prf_src_task_get(&(basc_env->prf_env), conidx), basc_enable_rsp);
  rsp->status = status;
  rsp->bas_nb = 0;
  if (status == GAP_ERR_NO_ERROR) {
    rsp->bas_nb = basc_env->env[conidx]->bas_nb;

    for (svc_inst = 0; svc_inst < co_min(basc_env->env[conidx]->bas_nb,
                                         BASC_NB_BAS_INSTANCES_MAX);
         svc_inst++) {
      rsp->bas[svc_inst] = basc_env->env[conidx]->bas[svc_inst];

      // Register BASC task in gatt for indication/notifications
      prf_register_atthdl2gatt(&(basc_env->prf_env), conidx,
                               &basc_env->env[conidx]->bas[svc_inst].svc);
    }
  }

  ke_msg_send(rsp);
}

#endif /* (BLE_BATT_CLIENT) */

/// @} BASC