1 /******************************************************************************
2  *
3  *  Copyright (C) 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 #if (BLE_INCLUDED == TRUE)
23 #include "bt_types.h"
24 #include "hcimsgs.h"
25 #include "btu.h"
26 #include "btm_int.h"
27 #include "bt_utils.h"
28 #include "hcidefs.h"
29 #include "btm_ble_api.h"
30 
31 tBTM_BLE_ENERGY_INFO_CB ble_energy_info_cb;
32 
33 /*******************************************************************************
34 **
35 ** Function         btm_ble_cont_energy_cmpl_cback
36 **
37 ** Description      Controller VSC complete callback
38 **
39 ** Parameters
40 **
41 ** Returns          void
42 **
43 *******************************************************************************/
btm_ble_cont_energy_cmpl_cback(tBTM_VSC_CMPL * p_params)44 void btm_ble_cont_energy_cmpl_cback (tBTM_VSC_CMPL *p_params)
45 {
46     UINT8  *p = p_params->p_param_buf;
47     UINT16  len = p_params->param_len;
48     UINT8  status = 0;
49     UINT32 total_tx_time = 0, total_rx_time = 0, total_idle_time = 0, total_energy_used = 0;
50 
51     if (len < 17)
52     {
53         BTM_TRACE_ERROR("wrong length for btm_ble_cont_energy_cmpl_cback");
54         return;
55     }
56 
57     STREAM_TO_UINT8(status, p);
58     STREAM_TO_UINT32(total_tx_time, p);
59     STREAM_TO_UINT32(total_rx_time, p);
60     STREAM_TO_UINT32(total_idle_time, p);
61     STREAM_TO_UINT32(total_energy_used, p);
62 
63     BTM_TRACE_DEBUG("energy_info status=%d,tx_t=%ld, rx_t=%ld, ener_used=%ld, idle_t=%ld",
64         status, total_tx_time, total_rx_time, total_energy_used, total_idle_time);
65 
66     if (NULL != ble_energy_info_cb.p_ener_cback)
67         ble_energy_info_cb.p_ener_cback(total_tx_time, total_rx_time, total_idle_time,
68                           total_energy_used, status);
69 
70     return;
71 }
72 
73 /*******************************************************************************
74 **
75 ** Function         BTM_BleGetEnergyInfo
76 **
77 ** Description      This function obtains the energy info
78 **
79 ** Parameters      p_ener_cback - Callback pointer
80 **
81 ** Returns          status
82 **
83 *******************************************************************************/
BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK * p_ener_cback)84 tBTM_STATUS BTM_BleGetEnergyInfo(tBTM_BLE_ENERGY_INFO_CBACK *p_ener_cback)
85 {
86     tBTM_STATUS status = BTM_ILLEGAL_VALUE;
87     tBTM_BLE_VSC_CB cmn_ble_vsc_cb;
88 
89     BTM_BleGetVendorCapabilities(&cmn_ble_vsc_cb);
90 
91     BTM_TRACE_EVENT("BTM_BleGetEnergyInfo");
92 
93     if (0 == cmn_ble_vsc_cb.energy_support)
94     {
95         BTM_TRACE_ERROR("Controller does not support get energy info");
96         return BTM_ERR_PROCESSING;
97     }
98 
99     ble_energy_info_cb.p_ener_cback = p_ener_cback;
100     if ((status = BTM_VendorSpecificCommand (HCI_BLE_ENERGY_INFO_OCF, 0, NULL,
101                    btm_ble_cont_energy_cmpl_cback)) != BTM_CMD_STARTED)
102     {
103         BTM_TRACE_ERROR("BTM_BleGetEnergyInfo status: %d", status);
104         return BTM_ILLEGAL_VALUE;
105     }
106 
107     return status;
108 }
109 
110 #endif
111 
112