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      1 /******************************************************************************
      2  *
      3  *  Copyright 2014  Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 #include <string.h>
     20 #include "bt_target.h"
     21 
     22 #include "bt_types.h"
     23 #include "bt_utils.h"
     24 #include "btm_ble_api.h"
     25 #include "btm_int.h"
     26 #include "btu.h"
     27 #include "hcidefs.h"
     28 #include "hcimsgs.h"
     29 
     30 tBTM_BLE_ENERGY_INFO_CB ble_energy_info_cb;
     31 
     32 /*******************************************************************************
     33  *
     34  * Function         btm_ble_cont_energy_cmpl_cback
     35  *
     36  * Description      Controller VSC complete callback
     37  *
     38  * Parameters
     39  *
     40  * Returns          void
     41  *
     42  ******************************************************************************/
     43 void btm_ble_cont_energy_cmpl_cback(tBTM_VSC_CMPL* p_params) {
     44   uint8_t* p = p_params->p_param_buf;
     45   uint16_t len = p_params->param_len;
     46   uint8_t status = 0;
     47   uint32_t total_tx_time = 0, total_rx_time = 0, total_idle_time = 0,
     48            total_energy_used = 0;
     49 
     50   if (len < 17) {
     51     BTM_TRACE_ERROR("wrong length for btm_ble_cont_energy_cmpl_cback");
     52     return;
     53   }
     54 
     55   STREAM_TO_UINT8(status, p);
     56   STREAM_TO_UINT32(total_tx_time, p);
     57   STREAM_TO_UINT32(total_rx_time, p);
     58   STREAM_TO_UINT32(total_idle_time, p);
     59   STREAM_TO_UINT32(total_energy_used, p);
     60 
     61   BTM_TRACE_DEBUG(
     62       "energy_info status=%d,tx_t=%ld, rx_t=%ld, ener_used=%ld, idle_t=%ld",
     63       status, total_tx_time, total_rx_time, total_energy_used, total_idle_time);
     64 
     65   if (NULL != ble_energy_info_cb.p_ener_cback)
     66     ble_energy_info_cb.p_ener_cback(total_tx_time, total_rx_time,
     67                                     total_idle_time, total_energy_used, status);
     68 
     69   return;
     70 }
     71 
     72 /*******************************************************************************
     73  *
     74  * Function         BTM_BleGetEnergyInfo
     75  *
     76  * Description      This function obtains the energy info
     77  *
     78  * Parameters      p_ener_cback - Callback pointer
     79  *
     80  * Returns          status
     81  *
     82  ******************************************************************************/
     83 tBTM_STATUS BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK* p_ener_cback) {
     84   tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
     85 
     86   BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
     87 
     88   BTM_TRACE_EVENT("BTM_BleGetEnergyInfo");
     89 
     90   if (0 == cmn_ble_vsc_cb.energy_support) {
     91     BTM_TRACE_ERROR("Controller does not support get energy info");
     92     return BTM_ERR_PROCESSING;
     93   }
     94 
     95   ble_energy_info_cb.p_ener_cback = p_ener_cback;
     96   BTM_VendorSpecificCommand(HCI_BLE_ENERGY_INFO_OCF, 0, NULL,
     97                             btm_ble_cont_energy_cmpl_cback);
     98   return BTM_CMD_STARTED;
     99 }
    100