1 // Copyright 2017-2019 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef _ESP_HID_GAP_H_
16 #define _ESP_HID_GAP_H_
17 
18 #define HIDH_IDLE_MODE 0x00
19 #define HIDH_BLE_MODE 0x01
20 #define HIDH_BT_MODE 0x02
21 #define HIDH_BTDM_MODE 0x03
22 
23 #if CONFIG_BT_HID_HOST_ENABLED
24 #if CONFIG_BT_BLE_ENABLED
25 #define HID_HOST_MODE HIDH_BTDM_MODE
26 #else
27 #define HID_HOST_MODE HIDH_BT_MODE
28 #endif
29 #elif CONFIG_BT_BLE_ENABLED
30 #define HID_HOST_MODE HIDH_BLE_MODE
31 #else
32 #define HID_HOST_MODE HIDH_IDLE_MODE
33 #endif
34 
35 #include "esp_err.h"
36 #include "esp_log.h"
37 
38 #include "esp_bt.h"
39 #include "esp_bt_defs.h"
40 #include "esp_bt_main.h"
41 #include "esp_gap_bt_api.h"
42 #include "esp_hid_common.h"
43 #if CONFIG_BT_BLE_ENABLED
44 #include "esp_gattc_api.h"
45 #include "esp_gatt_defs.h"
46 #include "esp_gap_ble_api.h"
47 #endif
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
53 typedef struct esp_hidh_scan_result_s {
54     struct esp_hidh_scan_result_s *next;
55 
56     esp_bd_addr_t bda;
57     const char *name;
58     int8_t rssi;
59     esp_hid_usage_t usage;
60     esp_hid_transport_t transport; //BT, BLE or USB
61     union {
62         struct {
63             esp_bt_cod_t cod;
64             esp_bt_uuid_t uuid;
65         } bt;
66         struct {
67             esp_ble_addr_type_t addr_type;
68             uint16_t appearance;
69         } ble;
70     };
71 } esp_hid_scan_result_t;
72 
73 esp_err_t esp_hid_gap_init(uint8_t mode);
74 esp_err_t esp_hid_scan(uint32_t seconds, size_t *num_results, esp_hid_scan_result_t **results);
75 void esp_hid_scan_results_free(esp_hid_scan_result_t *results);
76 
77 esp_err_t esp_hid_ble_gap_adv_init(uint16_t appearance, const char *device_name);
78 esp_err_t esp_hid_ble_gap_adv_start(void);
79 
80 void print_uuid(esp_bt_uuid_t *uuid);
81 const char *ble_addr_type_str(esp_ble_addr_type_t ble_addr_type);
82 
83 #ifdef __cplusplus
84 }
85 #endif
86 
87 #endif /* _ESP_HIDH_GAP_H_ */
88