pinebuds/services/ble_profiles/hrp/hrps/src/hrps_task.c

/**
 ****************************************************************************************
 * @addtogroup HRPSTASK
 * @{
 ****************************************************************************************
 */

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

#if (BLE_HR_SENSOR)
#include "attm.h"
#include "gap.h"
#include "gattc_task.h"
#include "hrps.h"
#include "hrps_task.h"

#include "prf_utils.h"

#include "co_utils.h"
#include "ke_mem.h"

/*
 * LOCAL FUNCTIONS DEFINITIONS
 ****************************************************************************************
 */

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref HRPS_ENABLE_REQ message.
 * The handler enables the Heart Rate Sensor Profile.
 * @param[in] msgid Id of the message received (probably unused).
 * @param[in] param Pointer to the parameters of the message.
 * @param[in] dest_id ID of the receiving task instance (probably unused).
 * @param[in] src_id ID of the sending task instance.
 * @return If the message was consumed or not.
 ****************************************************************************************
 */
__STATIC int hrps_enable_req_handler(ke_msg_id_t const msgid,
                                     struct hrps_enable_req const *param,
                                     ke_task_id_t const dest_id,
                                     ke_task_id_t const src_id) {
  // Get the address of the environment
  struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);

  // Status
  uint8_t status = PRF_ERR_REQ_DISALLOWED;

  if (ke_state_get(dest_id) == HRPS_IDLE) {
    if ((param->conidx < BLE_CONNECTION_MAX) &&
        (param->hr_meas_ntf <= PRF_CLI_START_NTF)) {
      // Bonded data was not used before
      if (!HRPS_IS_SUPPORTED(hrps_env->hr_meas_ntf[param->conidx],
                             HRP_PRF_CFG_PERFORMED_OK)) {
        // Save notification config
        hrps_env->hr_meas_ntf[param->conidx] = param->hr_meas_ntf;
        // Enable Bonded Data
        hrps_env->hr_meas_ntf[param->conidx] |= HRP_PRF_CFG_PERFORMED_OK;
        status = GAP_ERR_NO_ERROR;
      }
    } else {
      status = PRF_ERR_INVALID_PARAM;
    }
  }

  // send completed information to APP task that contains error status
  struct hrps_enable_rsp *cmp_evt =
      KE_MSG_ALLOC(HRPS_ENABLE_RSP, src_id, dest_id, hrps_enable_rsp);
  cmp_evt->status = status;
  cmp_evt->conidx = param->conidx;
  ke_msg_send(cmp_evt);

  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref HRPS_MEAS_SEND_REQ message.
 * @param[in] msgid Id of the message received (probably unused).
 * @param[in] param Pointer to the parameters of the message.
 * @param[in] dest_id ID of the receiving task instance (probably unused).
 * @param[in] src_id ID of the sending task instance.
 * @return If the message was consumed or not.
 ****************************************************************************************
 */
__STATIC int hrps_meas_send_req_handler(ke_msg_id_t const msgid,
                                        struct hrps_meas_send_req const *param,
                                        ke_task_id_t const dest_id,
                                        ke_task_id_t const src_id) {
  // Message status
  uint8_t msg_status = KE_MSG_CONSUMED;

  // State shall not be Connected or Busy
  if (ke_state_get(dest_id) == HRPS_IDLE) {
    if (param->meas_val.nb_rr_interval <= HRS_MAX_RR_INTERVAL) {

      // Get the address of the environment
      struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);

      // allocate and prepare data to notify
      hrps_env->operation =
          (struct hrps_op *)ke_malloc(sizeof(struct hrps_op), KE_MEM_KE_MSG);
      hrps_env->operation->length =
          hrps_pack_meas_value(hrps_env->operation->data, &param->meas_val);
      hrps_env->operation->cursor = 0;

      // start operation execution
      hrps_exe_operation();

      // Go to busy state
      ke_state_set(dest_id, HRPS_BUSY);
    } else {
      // Send confirmation
      hrps_meas_send_rsp_send(PRF_ERR_INVALID_PARAM);
    }
  } else {
    // Save it for later
    msg_status = KE_MSG_SAVED;
  }

  return (msg_status);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref GL2C_CODE_ATT_WR_CMD_IND message.
 * The handler compares the new values with current ones and notifies them if
 *they changed.
 * @param[in] msgid Id of the message received (probably unused).
 * @param[in] param Pointer to the parameters of the message.
 * @param[in] dest_id ID of the receiving task instance (probably unused).
 * @param[in] src_id ID of the sending task instance.
 * @return If the message was consumed or not.
 ****************************************************************************************
 */
__STATIC int gattc_write_req_ind_handler(
    ke_msg_id_t const msgid, struct gattc_write_req_ind const *param,
    ke_task_id_t const dest_id, ke_task_id_t const src_id) {
  // Get the address of the environment
  struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);
  uint8_t conidx = KE_IDX_GET(src_id);

  uint16_t value = 0x0000;
  uint8_t status = GAP_ERR_NO_ERROR;

  if (hrps_env != NULL) {
    // BP Measurement Char. - Client Char. Configuration
    if (param->handle == (hrps_env->shdl + HRS_IDX_HR_MEAS_NTF_CFG)) {
      // Extract value before check
      memcpy(&value, &(param->value), sizeof(uint16_t));

      if ((value == PRF_CLI_STOP_NTFIND) || (value == PRF_CLI_START_NTF)) {
        hrps_env->hr_meas_ntf[conidx] = value | HRP_PRF_CFG_PERFORMED_OK;
      } else {
        status = PRF_APP_ERROR;
      }

      if (status == GAP_ERR_NO_ERROR) {
        // Inform APP of configuration change
        struct hrps_cfg_indntf_ind *ind = KE_MSG_ALLOC(
            HRPS_CFG_INDNTF_IND, prf_dst_task_get(&hrps_env->prf_env, conidx),
            prf_src_task_get(&hrps_env->prf_env, conidx), hrps_cfg_indntf_ind);

        ind->conidx = conidx;
        ind->cfg_val = value;

        ke_msg_send(ind);
      }
    }
    // HR Control Point Char. Value
    else {
      if (HRPS_IS_SUPPORTED(hrps_env->features, HRPS_ENGY_EXP_FEAT_SUP)) {
        // Extract value
        memcpy(&value, &(param->value), sizeof(uint8_t));

        if (value == 0x1) {
          // inform APP of configuration change
          struct hrps_energy_exp_reset_ind *ind =
              KE_MSG_ALLOC(HRPS_ENERGY_EXP_RESET_IND,
                           prf_dst_task_get(&hrps_env->prf_env, conidx),
                           prf_src_task_get(&hrps_env->prf_env, conidx),
                           hrps_energy_exp_reset_ind);

          ind->conidx = conidx;
          ke_msg_send(ind);
        } else {
          status = HRS_ERR_HR_CNTL_POINT_NOT_SUPPORTED;
        }
      } else {
        // Allowed to send Application Error if value inconvenient
        status = HRS_ERR_HR_CNTL_POINT_NOT_SUPPORTED;
      }
    }
  }

  // Send write response
  struct gattc_write_cfm *cfm =
      KE_MSG_ALLOC(GATTC_WRITE_CFM, src_id, dest_id, gattc_write_cfm);
  cfm->handle = param->handle;
  cfm->status = status;
  ke_msg_send(cfm);

  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles @ref GATTC_CMP_EVT for GATTC_NOTIFY message meaning that
 *Measurement notification has been correctly sent to peer device (but not
 *confirmed by peer device).
 * *
 * @param[in] msgid     Id of the message received.
 * @param[in] param     Pointer to the parameters of the message.
 * @param[in] dest_id   ID of the receiving task instance
 * @param[in] src_id    ID of the sending task instance.
 * @return If the message was consumed or not.
 ****************************************************************************************
 */
__STATIC int gattc_cmp_evt_handler(ke_msg_id_t const msgid,
                                   struct gattc_cmp_evt const *param,
                                   ke_task_id_t const dest_id,
                                   ke_task_id_t const src_id) {
  if ((ke_state_get(dest_id) == HRPS_BUSY) &&
      (param->operation == GATTC_NOTIFY)) {
    // continue operation execution
    hrps_exe_operation();
  }
  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the read request from peer device
 *
 * @param[in] msgid Id of the message received (probably unused).
 * @param[in] param Pointer to the parameters of the message.
 * @param[in] dest_id ID of the receiving task instance (probably unused).
 * @param[in] src_id ID of the sending task instance.
 * @return If the message was consumed or not.
 ****************************************************************************************
 */
__STATIC int gattc_read_req_ind_handler(ke_msg_id_t const msgid,
                                        struct gattc_read_req_ind const *param,
                                        ke_task_id_t const dest_id,
                                        ke_task_id_t const src_id) {
  if (ke_state_get(dest_id) == HRPS_IDLE) {
    // Get the address of the environment
    struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);
    uint8_t conidx = KE_IDX_GET(src_id);
    uint8_t att_idx = param->handle - hrps_env->shdl;

    uint8_t value[4];
    uint8_t value_size = 0;
    uint8_t status = ATT_ERR_NO_ERROR;

    switch (att_idx) {
    case HRS_IDX_HR_MEAS_NTF_CFG: {
      value_size = sizeof(uint16_t);
      co_write16p(value,
                  hrps_env->hr_meas_ntf[conidx] & ~HRP_PRF_CFG_PERFORMED_OK);
    } break;

    case HRS_IDX_BODY_SENSOR_LOC_VAL: {
      // Broadcast feature is profile specific
      if (HRPS_IS_SUPPORTED(hrps_env->features,
                            HRPS_BODY_SENSOR_LOC_CHAR_SUP)) {
        // Fill data
        value_size = sizeof(uint8_t);
        value[0] = hrps_env->sensor_location;
      } else {
        status = ATT_ERR_ATTRIBUTE_NOT_FOUND;
      }
    } break;

    default: {
      status = ATT_ERR_REQUEST_NOT_SUPPORTED;
    } break;
    }

    // Send data to peer device
    struct gattc_read_cfm *cfm = KE_MSG_ALLOC_DYN(
        GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm, value_size);
    cfm->length = value_size;
    memcpy(cfm->value, value, value_size);
    cfm->handle = param->handle;
    cfm->status = status;

    // Send value to peer device.
    ke_msg_send(cfm);
  }

  return (KE_MSG_CONSUMED);
}

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

/* Default State handlers definition. */
KE_MSG_HANDLER_TAB(hrps){
    {HRPS_ENABLE_REQ, (ke_msg_func_t)hrps_enable_req_handler},
    {GATTC_WRITE_REQ_IND, (ke_msg_func_t)gattc_write_req_ind_handler},
    {HRPS_MEAS_SEND_REQ, (ke_msg_func_t)hrps_meas_send_req_handler},
    {GATTC_CMP_EVT, (ke_msg_func_t)gattc_cmp_evt_handler},
    {GATTC_READ_REQ_IND, (ke_msg_func_t)gattc_read_req_ind_handler},
};

void hrps_task_init(struct ke_task_desc *task_desc) {
  // Get the address of the environment
  struct hrps_env_tag *hrps_env = PRF_ENV_GET(HRPS, hrps);

  task_desc->msg_handler_tab = hrps_msg_handler_tab;
  task_desc->msg_cnt = ARRAY_LEN(hrps_msg_handler_tab);
  task_desc->state = hrps_env->state;
  task_desc->idx_max = HRPS_IDX_MAX;
}

#endif /* #if (BLE_HR_SENSOR) */

/// @} HRPSTASK