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 "btm_ble_api.h"
24 #include "btm_int.h"
25 #include "btu.h"
26 #include "hcidefs.h"
27 #include "hcimsgs.h"
28 #include "stack/btm/btm_int_types.h"
29 #include "utils/include/bt_utils.h"
30 
31 extern tBTM_CB btm_cb;
32 
33 tBTM_BLE_ENERGY_INFO_CB ble_energy_info_cb;
34 
35 /*******************************************************************************
36  *
37  * Function         btm_ble_cont_energy_cmpl_cback
38  *
39  * Description      Controller VSC complete callback
40  *
41  * Parameters
42  *
43  * Returns          void
44  *
45  ******************************************************************************/
btm_ble_cont_energy_cmpl_cback(tBTM_VSC_CMPL * p_params)46 static void btm_ble_cont_energy_cmpl_cback(tBTM_VSC_CMPL* p_params) {
47   uint8_t* p = p_params->p_param_buf;
48   uint16_t len = p_params->param_len;
49   uint32_t total_tx_time = 0, total_rx_time = 0, total_idle_time = 0,
50            total_energy_used = 0;
51 
52   if (len < 17) {
53     BTM_TRACE_ERROR("wrong length for btm_ble_cont_energy_cmpl_cback");
54     return;
55   }
56 
57   uint8_t raw_status;
58   STREAM_TO_UINT8(raw_status, p);
59   tHCI_STATUS status = to_hci_status_code(raw_status);
60   STREAM_TO_UINT32(total_tx_time, p);
61   STREAM_TO_UINT32(total_rx_time, p);
62   STREAM_TO_UINT32(total_idle_time, p);
63   STREAM_TO_UINT32(total_energy_used, p);
64 
65   BTM_TRACE_DEBUG(
66       "energy_info status=%d,tx_t=%ld, rx_t=%ld, ener_used=%ld, idle_t=%ld",
67       status, total_tx_time, total_rx_time, total_energy_used, total_idle_time);
68 
69   if (NULL != ble_energy_info_cb.p_ener_cback)
70     ble_energy_info_cb.p_ener_cback(total_tx_time, total_rx_time,
71                                     total_idle_time, total_energy_used,
72                                     static_cast<tHCI_STATUS>(status));
73 
74   return;
75 }
76 
77 /*******************************************************************************
78  *
79  * Function         BTM_BleGetEnergyInfo
80  *
81  * Description      This function obtains the energy info
82  *
83  * Parameters      p_ener_cback - Callback pointer
84  *
85  * Returns          status
86  *
87  ******************************************************************************/
BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK * p_ener_cback)88 tBTM_STATUS BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK* p_ener_cback) {
89   tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
90 
91   BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
92 
93   BTM_TRACE_EVENT("BTM_BleGetEnergyInfo");
94 
95   if (0 == cmn_ble_vsc_cb.energy_support) {
96     BTM_TRACE_ERROR("Controller does not support get energy info");
97     return BTM_ERR_PROCESSING;
98   }
99 
100   ble_energy_info_cb.p_ener_cback = p_ener_cback;
101   BTM_VendorSpecificCommand(HCI_BLE_ENERGY_INFO, 0, NULL,
102                             btm_ble_cont_energy_cmpl_cback);
103   return BTM_CMD_STARTED;
104 }
105