1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 // ***************************************************************************** 39 // 40 // HSP Audio Gateway 41 // 42 // ***************************************************************************** 43 44 45 #ifndef btstack_hsp_ag_h 46 #define btstack_hsp_ag_h 47 48 #include "hci.h" 49 #include "classic/sdp_query_rfcomm.h" 50 51 #if defined __cplusplus 52 extern "C" { 53 #endif 54 55 typedef void (*hsp_ag_callback_t)(uint8_t * event, uint16_t event_size); 56 57 58 void hsp_ag_create_sdp_record(uint8_t * service, uint32_t service_record_handle, int rfcomm_channel_nr, const char * name); 59 60 61 void hsp_ag_init(uint8_t rfcomm_channel_nr); 62 63 // Register callback (packet handler) for hsp audio gateway 64 void hsp_ag_register_packet_handler(hsp_ag_callback_t callback); 65 66 void hsp_ag_connect(bd_addr_t bd_addr); 67 68 void hsp_ag_disconnect(void); 69 70 // +VGM=[0..15] 71 void hsp_ag_set_microphone_gain(uint8_t gain); 72 73 // +VGS=[0..15] 74 void hsp_ag_set_speaker_gain(uint8_t gain); 75 76 void hsp_ag_start_ringing(void); 77 78 void hsp_ag_stop_ringing(void); 79 80 // When support custom commands is enabled, AG will emit HSP_SUBEVENT_HS_COMMAND. 81 // On occurance of this event, client's packet handler must send the result back 82 // by calling hsp_ag_send_result function. 83 84 void hsp_ag_enable_custom_commands(int enable); 85 86 int hsp_ag_send_result(char * result); 87 88 #if defined __cplusplus 89 } 90 #endif 91 92 #endif