1 #include "btc_hh.h"
2 #include "osi/allocator.h"
3 #include "string.h"
4 #if HID_HOST_INCLUDED == TRUE
5
6 /*******************************************************************************
7 *
8 * Function bta_hh_co_open
9 *
10 * Description When connection is opened, this call-out function is executed
11 * by HH to do platform specific initialization.
12 *
13 * Returns void.
14 ******************************************************************************/
bta_hh_co_open(uint8_t dev_handle,uint8_t sub_class,tBTA_HH_ATTR_MASK attr_mask,uint8_t app_id)15 void bta_hh_co_open(uint8_t dev_handle, uint8_t sub_class, tBTA_HH_ATTR_MASK attr_mask, uint8_t app_id)
16 {
17 uint32_t i;
18 btc_hh_device_t *p_dev = NULL;
19
20 if (dev_handle == BTA_HH_INVALID_HANDLE) {
21 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, dev_handle);
22 return;
23 }
24
25 for (i = 0; i < BTC_HH_MAX_HID; i++) {
26 p_dev = &btc_hh_cb.devices[i];
27 if (p_dev->dev_status != ESP_HIDH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
28 // We found a device with the same handle. Must be a device reconnected.
29 APPL_TRACE_WARNING("%s: Found an existing device with the same handle dev_status=%d, "
30 "dev_handle=0x%2x, attr_mask=0x%04x, sub_class=0x%02x, app_id=%d",
31 __func__, p_dev->dev_status, dev_handle, p_dev->attr_mask, p_dev->sub_class,
32 p_dev->app_id);
33 break;
34 }
35 p_dev = NULL;
36 }
37
38 if (p_dev == NULL) {
39 // Did not find a device reconnection case. Find an empty slot now.
40 for (i = 0; i < BTC_HH_MAX_HID; i++) {
41 if (btc_hh_cb.devices[i].dev_status == ESP_HIDH_CONN_STATE_UNKNOWN) {
42 p_dev = &btc_hh_cb.devices[i];
43 p_dev->dev_handle = dev_handle;
44 p_dev->attr_mask = attr_mask;
45 p_dev->sub_class = sub_class;
46 p_dev->app_id = app_id;
47 p_dev->local_vup = false;
48
49 btc_hh_cb.device_num++;
50 break;
51 }
52 }
53 }
54
55 if (p_dev == NULL) {
56 APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __func__);
57 return;
58 }
59
60 p_dev->dev_status = ESP_HIDH_CONN_STATE_CONNECTED;
61 APPL_TRACE_DEBUG("%s: Return device status %d", __func__, p_dev->dev_status);
62 }
63
64 /*******************************************************************************
65 *
66 * Function bta_hh_co_close
67 *
68 * Description When connection is closed, this call-out function is executed
69 * by HH to do platform specific finalization.
70 *
71 * Parameters dev_handle - device handle
72 * app_id - application id
73 *
74 * Returns void.
75 ******************************************************************************/
bta_hh_co_close(uint8_t dev_handle,uint8_t app_id)76 void bta_hh_co_close(uint8_t dev_handle, uint8_t app_id)
77 {
78 uint32_t i;
79 btc_hh_device_t *p_dev = NULL;
80
81 APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __func__, dev_handle, app_id);
82 if (dev_handle == BTA_HH_INVALID_HANDLE) {
83 APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, dev_handle);
84 return;
85 }
86
87 for (i = 0; i < BTC_HH_MAX_HID; i++) {
88 p_dev = &btc_hh_cb.devices[i];
89 if (p_dev->dev_status != ESP_HIDH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) {
90 APPL_TRACE_WARNING("%s: Found an existing device with the same handle "
91 "dev_status = %d, dev_handle =%d",
92 __func__, p_dev->dev_status, p_dev->dev_handle);
93 break;
94 }
95 }
96 }
97
98 /*******************************************************************************
99 *
100 * Function bta_hh_co_data
101 *
102 * Description This function is executed by BTA when HID host receive a
103 * data report on interrupt channel.
104 *
105 * Parameters dev_handle - device handle
106 * *p_rpt - pointer to the report data
107 * len - length of report data
108 * mode - Hid host Protocol Mode
109 * sub_clas - Device Subclass
110 * app_id - application id
111 *
112 * Returns void
113 ******************************************************************************/
bta_hh_co_data(UINT8 dev_handle,UINT8 * p_rpt,UINT16 len,tBTA_HH_PROTO_MODE mode,UINT8 sub_class,UINT8 ctry_code,BD_ADDR peer_addr,UINT8 app_id)114 void bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode, UINT8 sub_class, UINT8 ctry_code,
115 BD_ADDR peer_addr, UINT8 app_id)
116 {
117 btc_msg_t msg;
118 tBTA_HH p_data;
119 BT_HDR *p_buf = NULL;
120 bt_status_t status;
121 tBTA_HH_STATUS ret = BTA_HH_OK;
122
123 msg.sig = BTC_SIG_API_CB;
124 msg.pid = BTC_PID_HH;
125 msg.act = BTA_HH_DATA_IND_EVT;
126
127 APPL_TRACE_DEBUG("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, "
128 "ctry_code = %d, app_id = %d",
129 __func__, dev_handle, sub_class, mode, ctry_code, app_id);
130
131 do {
132 if ((p_buf = osi_malloc(sizeof(BT_HDR) + len)) == NULL) {
133 APPL_TRACE_ERROR("%s malloc failed!", __func__);
134 ret = BTA_HH_ERR_NO_RES;
135 break;
136 }
137 p_buf->offset = 0;
138 p_buf->len = len;
139 p_buf->event = 0;
140 p_buf->layer_specific = dev_handle;
141 memcpy(p_buf->data, p_rpt, len);
142 } while (0);
143
144 p_data.int_data.status = ret;
145 p_data.int_data.handle = dev_handle;
146 p_data.int_data.p_data = p_buf;
147 p_data.int_data.proto_mode = mode;
148 status = btc_transfer_context(&msg, &p_data, sizeof(tBTA_HH), NULL, NULL);
149 assert(status == BT_STATUS_SUCCESS);
150 }
151
152 #endif /* HID_HOST_INCLUDED == TRUE */
153
