pinebuds/services/ble_profiles/cscp/cscps/src/cscps_task.c

/**
 ****************************************************************************************
 * @addtogroup CSCPSTASK
 * @{
 ****************************************************************************************
 */

/*
 * INCLUDE FILES
 ****************************************************************************************
 */

#include "rwip_config.h"

#if (BLE_CSC_SENSOR)

#include "co_math.h"
#include "cscps.h"
#include "cscps_task.h"
#include "gapc.h"
#include "gattc_task.h"
#include "prf_utils.h"

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

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

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref CSCPS_ENABLE_REQ message.
 * @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 cscps_enable_req_handler(ke_msg_id_t const msgid,
                                      struct cscps_enable_req *param,
                                      ke_task_id_t const dest_id,
                                      ke_task_id_t const src_id) {
  // Get the address of the environment
  struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
  // Status
  uint8_t status = PRF_ERR_REQ_DISALLOWED;

  if (ke_state_get(dest_id) == CSCPS_IDLE) {
    status = GAP_ERR_NO_ERROR;

    if (!CSCPS_IS_PRESENT(cscps_env->prfl_ntf_ind_cfg[param->conidx],
                          CSCP_PRF_CFG_PERFORMED_OK)) {
      // Check the provided value
      if (param->csc_meas_ntf_cfg == PRF_CLI_START_NTF) {
        // Store the status
        CSCPS_ENABLE_NTFIND(param->conidx, CSCP_PRF_CFG_FLAG_CSC_MEAS_NTF);
      }

      if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                     CSCPS_SC_CTNL_PT_MASK)) {
        // Check the provided value
        if (param->sc_ctnl_pt_ntf_cfg == PRF_CLI_START_IND) {
          // Store the status
          CSCPS_ENABLE_NTFIND(param->conidx, CSCP_PRF_CFG_FLAG_SC_CTNL_PT_IND);
        }
      }
      // Enable Bonded Data
      CSCPS_ENABLE_NTFIND(param->conidx, CSCP_PRF_CFG_PERFORMED_OK);
    }
  }

  // send completed information to APP task that contains error status
  struct cscps_enable_rsp *cmp_evt =
      KE_MSG_ALLOC(CSCPS_ENABLE_RSP, src_id, dest_id, cscps_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 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) == CSCPS_IDLE) {
    // Get the address of the environment
    struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
    uint8_t conidx = KE_IDX_GET(src_id);
    uint8_t att_idx = CSCPS_IDX(param->handle);

    // Send data to peer device
    struct gattc_read_cfm *cfm = NULL;

    uint8_t status = ATT_ERR_NO_ERROR;

    switch (att_idx) {
    case CSCS_IDX_CSC_MEAS_NTF_CFG: {
      // Fill data
      cfm = KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm,
                             sizeof(uint16_t));
      cfm->length = sizeof(uint16_t);
      co_write16p(cfm->value, (cscps_env->prfl_ntf_ind_cfg[conidx] &
                               CSCP_PRF_CFG_FLAG_CSC_MEAS_NTF)
                                  ? PRF_CLI_START_NTF
                                  : PRF_CLI_STOP_NTFIND);
    } break;

    case CSCS_IDX_CSC_FEAT_VAL: {
      // Fill data
      cfm = KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm,
                             sizeof(uint16_t));
      cfm->length = sizeof(uint16_t);
      co_write16p(cfm->value, cscps_env->features);
    } break;

    case CSCS_IDX_SENSOR_LOC_VAL: {
      // Fill data
      cfm = KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm,
                             sizeof(uint8_t));
      cfm->length = sizeof(uint8_t);
      cfm->value[0] = cscps_env->sensor_loc;
    } break;

    case CSCS_IDX_SC_CTNL_PT_NTF_CFG: {
      // Fill data
      cfm = KE_MSG_ALLOC_DYN(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm,
                             sizeof(uint16_t));
      cfm->length = sizeof(uint16_t);
      co_write16p(cfm->value, (cscps_env->prfl_ntf_ind_cfg[conidx] &
                               CSCP_PRF_CFG_FLAG_SC_CTNL_PT_IND)
                                  ? PRF_CLI_START_IND
                                  : PRF_CLI_STOP_NTFIND);
    } break;

    default: {
      cfm = KE_MSG_ALLOC(GATTC_READ_CFM, src_id, dest_id, gattc_read_cfm);
      cfm->length = 0;
      status = ATT_ERR_REQUEST_NOT_SUPPORTED;
    } break;
    }

    cfm->handle = param->handle;
    cfm->status = status;

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

  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the attribute info request 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 gattc_att_info_req_ind_handler(
    ke_msg_id_t const msgid, struct gattc_att_info_req_ind *param,
    ke_task_id_t const dest_id, ke_task_id_t const src_id) {
  if (ke_state_get(dest_id) == CSCPS_IDLE) {
    // Get the address of the environment
    struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
    uint8_t att_idx = CSCPS_IDX(param->handle);
    struct gattc_att_info_cfm *cfm;

    // Send write response
    cfm = KE_MSG_ALLOC(GATTC_ATT_INFO_CFM, src_id, dest_id, gattc_att_info_cfm);
    cfm->handle = param->handle;

    // check if it's a client configuration char
    if ((att_idx == CSCS_IDX_CSC_MEAS_NTF_CFG) ||
        (att_idx == CSCS_IDX_SC_CTNL_PT_NTF_CFG)) {
      // CCC attribute length = 2
      cfm->length = 2;
      cfm->status = GAP_ERR_NO_ERROR;
    } else if (att_idx == CSCS_IDX_SC_CTNL_PT_VAL) {
      // force length to zero to reject any write starting from something != 0
      cfm->length = 0;
      cfm->status = GAP_ERR_NO_ERROR;
    }
    // not expected request
    else {
      cfm->length = 0;
      cfm->status = ATT_ERR_WRITE_NOT_PERMITTED;
    }
    ke_msg_send(cfm);
  }

  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref CSCPS_NTF_CSC_MEAS_REQ message.
 * @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 cscps_ntf_csc_meas_req_handler(
    ke_msg_id_t const msgid, struct cscps_ntf_csc_meas_req *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 be Connected or Busy
  if (ke_state_get(dest_id) == CSCPS_IDLE) {
    // Get the address of the environment
    struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);

    // allocate and prepare data to notify
    cscps_env->ntf =
        (struct cscps_ntf *)ke_malloc(sizeof(struct cscps_ntf), KE_MEM_KE_MSG);

    // pack measured value in database
    cscps_env->ntf->length = CSCP_CSC_MEAS_MIN_LEN;

    // Check the provided flags value
    if (!CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                    CSCP_FEAT_WHEEL_REV_DATA_SUPP) &&
        CSCPS_IS_PRESENT(param->flags, CSCP_MEAS_WHEEL_REV_DATA_PRESENT)) {
      // Force Wheel Revolution Data to No (Not supported)
      param->flags &= ~CSCP_MEAS_WHEEL_REV_DATA_PRESENT;
    }

    if (!CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                    CSCP_FEAT_CRANK_REV_DATA_SUPP) &&
        CSCPS_IS_PRESENT(param->flags, CSCP_MEAS_CRANK_REV_DATA_PRESENT)) {
      // Force Crank Revolution Data Present to No (Not supported)
      param->flags &= ~CSCP_MEAS_CRANK_REV_DATA_PRESENT;
    }

    // Force the unused bits of the flag value to 0
    cscps_env->ntf->value[0] = param->flags & CSCP_MEAS_ALL_PRESENT;

    // Cumulative Wheel Resolutions
    // Last Wheel Event Time
    if (CSCPS_IS_PRESENT(param->flags, CSCP_MEAS_WHEEL_REV_DATA_PRESENT)) {
      // Update the cumulative wheel revolutions value stored in the environment
      if (param->wheel_rev < 0) {
        // The value shall not decrement below zero
        if (co_abs(param->wheel_rev) > cscps_env->tot_wheel_rev) {
          cscps_env->tot_wheel_rev = 0;
        } else {
          cscps_env->tot_wheel_rev += param->wheel_rev;
        }
      } else {
        cscps_env->tot_wheel_rev += param->wheel_rev;
      }

      // Cumulative Wheel Resolutions
      co_write32p(&cscps_env->ntf->value[cscps_env->ntf->length],
                  cscps_env->tot_wheel_rev);
      cscps_env->ntf->length += 4;

      // Last Wheel Event Time
      co_write16p(&cscps_env->ntf->value[cscps_env->ntf->length],
                  param->last_wheel_evt_time);
      cscps_env->ntf->length += 2;
    }

    // Cumulative Crank Revolutions
    // Last Crank Event Time
    if (CSCPS_IS_PRESENT(param->flags, CSCP_MEAS_CRANK_REV_DATA_PRESENT)) {
      // Cumulative Crank Revolutions
      co_write32p(&cscps_env->ntf->value[cscps_env->ntf->length],
                  param->cumul_crank_rev);
      cscps_env->ntf->length += 2;

      // Last Crank Event Time
      co_write16p(&cscps_env->ntf->value[cscps_env->ntf->length],
                  param->last_crank_evt_time);
      cscps_env->ntf->length += 2;
    }

    // Configure the environment
    cscps_env->operation = CSCPS_SEND_CSC_MEAS_OP_CODE;
    cscps_env->ntf->cursor = 0;

    // Go to busy state
    ke_state_set(dest_id, CSCPS_BUSY);

    // start operation execution
    cscps_exe_operation();
  } else {
    // Save it for later
    msg_status = KE_MSG_SAVED;
  }

  return (int)msg_status;
}

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref CSCPS_SC_CTNL_PT_CFM message.
 * @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 cscps_sc_ctnl_pt_cfm_handler(ke_msg_id_t const msgid,
                                          struct cscps_sc_ctnl_pt_cfm *param,
                                          ke_task_id_t const dest_id,
                                          ke_task_id_t const src_id) {
  // Get the address of the environment
  struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
  uint8_t conidx = KE_IDX_GET(src_id);
  // Status
  uint8_t status = PRF_ERR_REQ_DISALLOWED;

  if (ke_state_get(dest_id) == CSCPS_BUSY) {
    do { // check if op code valid
      if ((param->op_code < CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE) ||
          (param->op_code > CSCPS_CTNL_ERR_IND_OP_CODE)) {
        // Wrong op code
        status = PRF_ERR_INVALID_PARAM;
        break;
      }

      // Check the current operation
      if ((cscps_env->operation < CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE) ||
          (param->op_code != cscps_env->operation)) {
        // The confirmation has been sent without request indication, ignore
        status = PRF_ERR_REQ_DISALLOWED;
        break;
      }

      // The CP Control Point Characteristic must be supported if we are here
      if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                     CSCPS_SC_CTNL_PT_MASK)) {
        // Allocate the GATT notification message
        struct gattc_send_evt_cmd *ctl_pt_rsp = KE_MSG_ALLOC_DYN(
            GATTC_SEND_EVT_CMD, KE_BUILD_ID(TASK_GATTC, param->conidx), dest_id,
            gattc_send_evt_cmd, CSCP_SC_CNTL_PT_RSP_MAX_LEN);

        // Fill in the parameter structure
        ctl_pt_rsp->operation = GATTC_INDICATE;
        ctl_pt_rsp->handle = CSCPS_HANDLE(CSCS_IDX_SC_CTNL_PT_VAL);
        // Pack Control Point confirmation
        ctl_pt_rsp->length = CSCP_SC_CNTL_PT_RSP_MIN_LEN;

        // Set the operation code (Response Code)
        ctl_pt_rsp->value[0] = CSCP_CTNL_PT_RSP_CODE;
        // Set the response value
        ctl_pt_rsp->value[2] = (param->status > CSCP_CTNL_PT_RESP_FAILED)
                                   ? CSCP_CTNL_PT_RESP_FAILED
                                   : param->status;

        switch (cscps_env->operation) {
        // Set cumulative value
        case (CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE): {
          // Set the request operation code
          ctl_pt_rsp->value[1] = CSCP_CTNL_PT_OP_SET_CUMUL_VAL;

          // Store the new value in the environment
          cscps_env->tot_wheel_rev = param->value.cumul_wheel_rev;
          status = GAP_ERR_NO_ERROR;
        } break;

        // Update Sensor Location
        case (CSCPS_CTNL_PT_UPD_LOC_OP_CODE): {
          // Set the request operation code
          ctl_pt_rsp->value[1] = CSCP_CTNL_PT_OP_UPD_LOC;

          if (param->status == CSCP_CTNL_PT_RESP_SUCCESS) {
            // The CP Control Point Characteristic must be supported if we are
            // here
            if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                           CSCPS_SENSOR_LOC_MASK)) {
              cscps_env->sensor_loc = param->value.sensor_loc;
              status = GAP_ERR_NO_ERROR;
            }
          }
        } break;

        case (CSCPS_CTNL_PT_SUPP_LOC_OP_CODE): {
          // Set the request operation code
          ctl_pt_rsp->value[1] = CSCP_CTNL_PT_OP_REQ_SUPP_LOC;

          if (param->status == CSCP_CTNL_PT_RESP_SUCCESS) {
            // Counter
            uint8_t counter;

            // Set the list of supported location
            for (counter = 0; counter < CSCP_LOC_MAX; counter++) {
              if (((param->value.supp_sensor_loc >> counter) & 0x0001) ==
                  0x0001) {
                ctl_pt_rsp->value[ctl_pt_rsp->length] = counter;
                ctl_pt_rsp->length++;
              }
            }
            status = GAP_ERR_NO_ERROR;
          }
        } break;

        default: {
          ASSERT_ERR(0);
        } break;
        }

        // Send the event
        ke_msg_send(ctl_pt_rsp);
      }
    } while (0);

    if (status != GAP_ERR_NO_ERROR) {
      // Inform the application that a procedure has been completed
      cscps_send_cmp_evt(conidx, prf_src_task_get(&cscps_env->prf_env, conidx),
                         prf_dst_task_get(&cscps_env->prf_env, conidx),
                         cscps_env->operation, param->status);
    }
  }

  return (KE_MSG_CONSUMED);
}

/**
 ****************************************************************************************
 * @brief Handles reception of the @ref GATTC_WRITE_REQ_IND message.
 * @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_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 cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);
  uint8_t conidx = KE_IDX_GET(src_id);
  // Message status
  uint8_t msg_status = KE_MSG_CONSUMED;

  // Check the connection handle
  if (cscps_env != NULL) {
    // CSC Measurement Characteristic, Client Characteristic Configuration
    // Descriptor
    if (param->handle == (CSCPS_HANDLE(CSCS_IDX_CSC_MEAS_NTF_CFG))) {
      uint16_t ntf_cfg;
      // Status
      uint8_t status = PRF_ERR_INVALID_PARAM;

      // Get the value
      co_write16p(&ntf_cfg, param->value[0]);

      // Check if the value is correct
      if (ntf_cfg <= PRF_CLI_START_NTF) {
        status = GAP_ERR_NO_ERROR;

        // Save the new configuration in the environment
        if (ntf_cfg == PRF_CLI_STOP_NTFIND) {
          CSCPS_DISABLE_NTFIND(conidx, CSCP_PRF_CFG_FLAG_CSC_MEAS_NTF);
        } else // ntf_cfg == PRF_CLI_START_NTF
        {
          CSCPS_ENABLE_NTFIND(conidx, CSCP_PRF_CFG_FLAG_CSC_MEAS_NTF);
        }

        // Inform the HL about the new configuration
        struct cscps_cfg_ntfind_ind *ind = KE_MSG_ALLOC(
            CSCPS_CFG_NTFIND_IND, prf_dst_task_get(&cscps_env->prf_env, conidx),
            prf_src_task_get(&cscps_env->prf_env, conidx),
            cscps_cfg_ntfind_ind);

        ind->char_code = CSCP_CSCS_CSC_MEAS_CHAR;
        ind->ntf_cfg = ntf_cfg;

        ke_msg_send(ind);

        // Enable Bonded Data
        CSCPS_ENABLE_NTFIND(conidx, CSCP_PRF_CFG_PERFORMED_OK);
      }
      // else status is PRF_ERR_INVALID_PARAM

      // Send the write response to the peer device
      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);
    } else // Should be the SC Control Point Characteristic
    {
      if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->prfl_cfg,
                                     CSCPS_SC_CTNL_PT_MASK)) {
        // SC Control Point, Client Characteristic Configuration Descriptor
        if (param->handle == (CSCPS_HANDLE(CSCS_IDX_SC_CTNL_PT_NTF_CFG))) {
          uint16_t ntf_cfg;
          // Status
          uint8_t status = PRF_ERR_INVALID_PARAM;

          // Get the value
          co_write16p(&ntf_cfg, param->value[0]);

          // Check if the value is correct
          if ((ntf_cfg == PRF_CLI_STOP_NTFIND) ||
              (ntf_cfg == PRF_CLI_START_IND)) {
            status = GAP_ERR_NO_ERROR;

            // Save the new configuration in the environment
            if (ntf_cfg == PRF_CLI_STOP_NTFIND) {
              CSCPS_DISABLE_NTFIND(conidx, CSCP_PRF_CFG_FLAG_SC_CTNL_PT_IND);
            } else // ntf_cfg == PRF_CLI_START_IND
            {
              CSCPS_ENABLE_NTFIND(conidx, CSCP_PRF_CFG_FLAG_SC_CTNL_PT_IND);
            }

            // Inform the HL about the new configuration
            struct cscps_cfg_ntfind_ind *ind =
                KE_MSG_ALLOC(CSCPS_CFG_NTFIND_IND,
                             prf_dst_task_get(&cscps_env->prf_env, conidx),
                             prf_src_task_get(&cscps_env->prf_env, conidx),
                             cscps_cfg_ntfind_ind);

            ind->char_code = CSCP_CSCS_SC_CTNL_PT_CHAR;
            ind->ntf_cfg = ntf_cfg;

            ke_msg_send(ind);

            // Enable Bonded Data
            CSCPS_ENABLE_NTFIND(conidx, CSCP_PRF_CFG_PERFORMED_OK);
          }
          // else status is PRF_ERR_INVALID_PARAM

          // Send the write response to the peer device
          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);
        }
        // SC Control Point Characteristic
        else if (param->handle == (CSCPS_HANDLE(CSCS_IDX_SC_CTNL_PT_VAL))) {
          // Write Response Status
          uint8_t wr_status = ATT_ERR_NO_ERROR;
          // Indication Status
          uint8_t ind_status = CSCP_CTNL_PT_RESP_NOT_SUPP;

          do {
            // Check if sending of indications has been enabled
            if (!CSCPS_IS_NTFIND_ENABLED(conidx,
                                         CSCP_PRF_CFG_FLAG_SC_CTNL_PT_IND)) {
              // CCC improperly configured
              wr_status = CSCP_ERROR_CCC_INVALID_PARAM;
              ind_status = CSCP_CTNL_PT_RESP_FAILED;
              break;
            }

            if (cscps_env->operation >= CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE) {
              // A procedure is already in progress
              wr_status = CSCP_ERROR_PROC_IN_PROGRESS;
              ind_status = CSCP_CTNL_PT_RESP_FAILED;
              break;
            }

            if (cscps_env->operation == CSCPS_SEND_CSC_MEAS_OP_CODE) {
              // Keep the message until the end of the current procedure
              msg_status = KE_MSG_NO_FREE;
              break;
            }

            // Allocate a request indication message for the application
            struct cscps_sc_ctnl_pt_req_ind *req_ind =
                KE_MSG_ALLOC(CSCPS_SC_CTNL_PT_REQ_IND,
                             prf_dst_task_get(&cscps_env->prf_env, conidx),
                             prf_src_task_get(&cscps_env->prf_env, conidx),
                             cscps_sc_ctnl_pt_req_ind);

            // Operation Code
            req_ind->op_code = param->value[0];
            // Connection index
            req_ind->conidx = conidx;

            // Operation Code
            switch (param->value[0]) {
            // Set Cumulative value
            case (CSCP_CTNL_PT_OP_SET_CUMUL_VAL): {
              // Check if the Wheel Revolution Data feature is supported
              if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->features,
                                             CSCP_FEAT_WHEEL_REV_DATA_SUPP)) {
                // The request can be handled
                ind_status = CSCP_CTNL_PT_RESP_SUCCESS;
                cscps_env->operation = CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE;

                // Cumulative value
                req_ind->value.cumul_value = co_read32p(&param->value[1]);
              }
            } break;

            // Update sensor location
            case (CSCP_CTNL_PT_OP_UPD_LOC): {
              // Check if the Multiple Sensor Location feature is supported
              if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->features,
                                             CSCP_FEAT_MULT_SENSOR_LOC_SUPP)) {
                // Check the sensor location value
                if (param->value[1] < CSCP_LOC_MAX) {
                  // The request can be handled
                  ind_status = CSCP_CTNL_PT_RESP_SUCCESS;

                  cscps_env->operation = CSCPS_CTNL_PT_UPD_LOC_OP_CODE;

                  // Sensor Location
                  req_ind->value.sensor_loc = param->value[1];
                } else {
                  // The request can be handled
                  ind_status = CSCP_CTNL_PT_RESP_INV_PARAM;
                }
              }
            } break;

            // Request supported sensor locations
            case (CSCP_CTNL_PT_OP_REQ_SUPP_LOC): {
              // Check if the Multiple Sensor Location feature is supported
              if (CSCPS_IS_FEATURE_SUPPORTED(cscps_env->features,
                                             CSCP_FEAT_MULT_SENSOR_LOC_SUPP)) {
                // The request can be handled
                ind_status = CSCP_CTNL_PT_RESP_SUCCESS;

                cscps_env->operation = CSCPS_CTNL_PT_SUPP_LOC_OP_CODE;
              }

            } break;

            default: {
              // Operation Code is invalid, status is already
              // CSCP_CTNL_PT_RESP_NOT_SUPP
            } break;
            }

            // If no error raised, inform the application about the request
            if (ind_status == CSCP_CTNL_PT_RESP_SUCCESS) {
              // Send the request indication to the application
              ke_msg_send(req_ind);
              // Go to the Busy status
              ke_state_set(dest_id, CSCPS_BUSY);
              // Align error code
              wr_status = GAP_ERR_NO_ERROR;
            } else {
              // Free the allocated message
              ke_msg_free(ke_param2msg(req_ind));
            }
          } while (0);

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

          // If error raised in control point, inform the peer
          if ((ind_status != CSCP_CTNL_PT_RESP_SUCCESS) &&
              (param->handle == (CSCPS_HANDLE(CSCS_IDX_SC_CTNL_PT_VAL)))) {
            cscps_send_rsp_ind(conidx, param->value[0], ind_status);
          }
        }
      } else {
        ASSERT_ERR(0);
      }
    }
  }
  // else drop the message

  return (int)msg_status;
}

/**
 ****************************************************************************************
 * @brief Handles @ref GATT_NOTIFY_CMP_EVT message meaning that a notification
 *or an indication 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) {
  uint8_t conidx = KE_IDX_GET(src_id);
  // Get the address of the environment
  struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);

  // Check if a connection exists
  if (ke_state_get(dest_id) == CSCPS_BUSY) {
    switch (param->operation) {
    case (GATTC_NOTIFY): {
      ASSERT_ERR(cscps_env->operation == CSCPS_SEND_CSC_MEAS_OP_CODE);
      // continuer operation execution
      cscps_exe_operation();
    } break;

    case (GATTC_INDICATE): {
      ASSERT_ERR(cscps_env->operation >= CSCPS_CTNL_PT_CUMUL_VAL_OP_CODE);

      // Inform the application that a procedure has been completed
      cscps_send_cmp_evt(conidx, prf_src_task_get(&cscps_env->prf_env, conidx),
                         prf_dst_task_get(&cscps_env->prf_env, conidx),
                         cscps_env->operation, param->status);
      // else ignore the message
    } break;

    default: {
      ASSERT_ERR(0);
    } break;
    }
  }

  return (KE_MSG_CONSUMED);
}

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

/// Specifies the default message handlers
KE_MSG_HANDLER_TAB(cscps){
    {CSCPS_ENABLE_REQ, (ke_msg_func_t)cscps_enable_req_handler},
    {GATTC_READ_REQ_IND, (ke_msg_func_t)gattc_read_req_ind_handler},
    {GATTC_ATT_INFO_REQ_IND, (ke_msg_func_t)gattc_att_info_req_ind_handler},
    {CSCPS_NTF_CSC_MEAS_REQ, (ke_msg_func_t)cscps_ntf_csc_meas_req_handler},
    {CSCPS_SC_CTNL_PT_CFM, (ke_msg_func_t)cscps_sc_ctnl_pt_cfm_handler},
    {GATTC_WRITE_REQ_IND, (ke_msg_func_t)gattc_write_req_ind_handler},
    {GATTC_CMP_EVT, (ke_msg_func_t)gattc_cmp_evt_handler},
};

void cscps_task_init(struct ke_task_desc *task_desc) {
  // Get the address of the environment
  struct cscps_env_tag *cscps_env = PRF_ENV_GET(CSCPS, cscps);

  task_desc->msg_handler_tab = cscps_msg_handler_tab;
  task_desc->msg_cnt = ARRAY_LEN(cscps_msg_handler_tab);
  task_desc->state = cscps_env->state;
  task_desc->idx_max = CSCPS_IDX_MAX;
}

#endif //(BLE_CSC_SENSOR)

/// @} CSCPSTASK