1 /******************************************************************************
2 *
3 * Copyright (C) 2003-2012 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 /******************************************************************************
20 *
21 * This is the implementation file for audio gateway call-in functions.
22 *
23 ******************************************************************************/
24
25 #include <string.h>
26 #include "bta_api.h"
27 #include "bta_ag_api.h"
28 #include "bta_ag_int.h"
29 #include "bta_ag_ci.h"
30 #include "bt_common.h"
31
32 /******************************************************************************
33 **
34 ** Function bta_ag_ci_rx_write
35 **
36 ** Description This function is called to send data to the AG when the AG
37 ** is configured for AT command pass-through. The function
38 ** copies data to an event buffer and sends it.
39 **
40 ** Returns void
41 **
42 ******************************************************************************/
bta_ag_ci_rx_write(UINT16 handle,char * p_data,UINT16 len)43 void bta_ag_ci_rx_write(UINT16 handle, char *p_data, UINT16 len)
44 {
45 UINT16 len_remaining = len;
46 char *p_data_area;
47
48 if (len > (RFCOMM_DATA_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1))
49 len = RFCOMM_DATA_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1;
50
51 while (len_remaining) {
52 if (len_remaining < len)
53 len = len_remaining;
54
55 tBTA_AG_CI_RX_WRITE *p_buf =
56 (tBTA_AG_CI_RX_WRITE *)osi_malloc(sizeof(tBTA_AG_CI_RX_WRITE) + len + 1);
57 p_buf->hdr.event = BTA_AG_CI_RX_WRITE_EVT;
58 p_buf->hdr.layer_specific = handle;
59
60 p_data_area = (char *)(p_buf+1); /* Point to data area after header */
61 strncpy(p_data_area, p_data, len);
62 p_data_area[len] = 0;
63
64 bta_sys_sendmsg(p_buf);
65
66 len_remaining -= len;
67 p_data += len;
68 }
69 }
70
71 /******************************************************************************
72 **
73 ** Function bta_ag_ci_slc_ready
74 **
75 ** Description This function is called to notify AG that SLC is up at
76 ** the application. This funcion is only used when the app
77 ** is running in pass-through mode.
78 **
79 ** Returns void
80 **
81 ******************************************************************************/
bta_ag_ci_slc_ready(UINT16 handle)82 void bta_ag_ci_slc_ready(UINT16 handle)
83 {
84 tBTA_AG_DATA *p_buf = (tBTA_AG_DATA *)osi_malloc(sizeof(tBTA_AG_DATA));
85
86 p_buf->hdr.event = BTA_AG_CI_SLC_READY_EVT;
87 p_buf->hdr.layer_specific = handle;
88
89 bta_sys_sendmsg(p_buf);
90 }
91