1 /* 2 * Copyright (C) 2016 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 #include <stdint.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include "btstack.h" 45 46 #include "hxcmod.h" 47 #include "mods/mod.h" 48 49 #define NUM_CHANNELS 2 50 #define A2DP_SAMPLE_RATE 44100 51 #define BYTES_PER_AUDIO_SAMPLE (2*NUM_CHANNELS) 52 #define AUDIO_TIMEOUT_MS 10 53 #define TABLE_SIZE_441HZ 100 54 55 typedef enum { 56 STREAM_SINE, 57 STREAM_MOD 58 } stream_data_source_t; 59 60 typedef struct { 61 uint16_t a2dp_cid; 62 uint8_t local_seid; 63 64 uint32_t time_audio_data_sent; // ms 65 uint32_t acc_num_missed_samples; 66 uint32_t samples_ready; 67 btstack_timer_source_t audio_timer; 68 uint8_t streaming; 69 int max_media_payload_size; 70 71 uint8_t sbc_storage[1030]; 72 uint16_t sbc_storage_count; 73 uint8_t sbc_ready_to_send; 74 } a2dp_media_sending_context_t; 75 76 static uint8_t media_sbc_codec_capabilities[] = { 77 (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 78 0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 79 2, 53 80 }; 81 82 static const int16_t sine_int16[] = { 83 0, 2057, 4107, 6140, 8149, 10126, 12062, 13952, 15786, 17557, 84 19260, 20886, 22431, 23886, 25247, 26509, 27666, 28714, 29648, 30466, 85 31163, 31738, 32187, 32509, 32702, 32767, 32702, 32509, 32187, 31738, 86 31163, 30466, 29648, 28714, 27666, 26509, 25247, 23886, 22431, 20886, 87 19260, 17557, 15786, 13952, 12062, 10126, 8149, 6140, 4107, 2057, 88 0, -2057, -4107, -6140, -8149, -10126, -12062, -13952, -15786, -17557, 89 -19260, -20886, -22431, -23886, -25247, -26509, -27666, -28714, -29648, -30466, 90 -31163, -31738, -32187, -32509, -32702, -32767, -32702, -32509, -32187, -31738, 91 -31163, -30466, -29648, -28714, -27666, -26509, -25247, -23886, -22431, -20886, 92 -19260, -17557, -15786, -13952, -12062, -10126, -8149, -6140, -4107, -2057, 93 }; 94 95 static const char * device_name = "A2DP Source Demo 00:00:00:00:00:00"; 96 static btstack_packet_callback_registration_t hci_event_callback_registration; 97 98 // mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3"; 99 // pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5"; 100 // mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15"; 101 // phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2"; 102 // minijambox: 103 static const char * device_addr_string = "00:21:3C:AC:F7:38"; 104 // head phones: static const char * device_addr_string = "00:18:09:28:50:18"; 105 // bt dongle: static const char * device_addr_string = "00:15:83:5F:9D:46"; 106 107 static bd_addr_t device_addr; 108 static uint8_t sdp_a2dp_source_service_buffer[150]; 109 static uint8_t media_sbc_codec_configuration[4]; 110 static a2dp_media_sending_context_t media_tracker; 111 112 static uint16_t avrcp_cid; 113 114 static stream_data_source_t data_source; 115 116 static int sine_phase; 117 118 static int hxcmod_initialized; 119 static modcontext mod_context; 120 static tracker_buffer_state trkbuf; 121 122 123 /* AVRCP Target context START */ 124 static const uint8_t subunit_info[] = { 125 0,0,0,0, 126 1,1,1,1, 127 2,2,2,2, 128 3,3,3,3, 129 4,4,4,4, 130 5,5,5,5, 131 6,6,6,6, 132 7,7,7,7 133 }; 134 135 static uint32_t company_id = 0x112233; 136 static uint8_t companies_num = 1; 137 static uint8_t companies[] = { 138 0x00, 0x19, 0x58 //BT SIG registered CompanyID 139 }; 140 141 static uint8_t events_num = 13; 142 static uint8_t events[] = { 143 AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED, 144 AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED, 145 AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_END, 146 AVRCP_NOTIFICATION_EVENT_TRACK_REACHED_START, 147 AVRCP_NOTIFICATION_EVENT_PLAYBACK_POS_CHANGED, 148 AVRCP_NOTIFICATION_EVENT_BATT_STATUS_CHANGED, 149 AVRCP_NOTIFICATION_EVENT_SYSTEM_STATUS_CHANGED, 150 AVRCP_NOTIFICATION_EVENT_PLAYER_APPLICATION_SETTING_CHANGED, 151 AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED, 152 AVRCP_NOTIFICATION_EVENT_AVAILABLE_PLAYERS_CHANGED, 153 AVRCP_NOTIFICATION_EVENT_ADDRESSED_PLAYER_CHANGED, 154 AVRCP_NOTIFICATION_EVENT_UIDS_CHANGED, 155 AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED 156 }; 157 158 typedef struct { 159 char title[40]; 160 char artist[40]; 161 char album[40]; 162 char genre[40]; 163 uint32_t song_length_ms; 164 int total_tracks; 165 int track_nr; 166 } avrcp_now_playing_info_t; 167 168 typedef struct { 169 avrcp_play_status_t status; 170 uint32_t song_length_ms; // 0xFFFFFFFF if not supported 171 uint32_t song_position_ms; // 0xFFFFFFFF if not supported 172 } avrcp_play_status_info_t; 173 174 avrcp_now_playing_info_t now_playing_info; 175 avrcp_play_status_info_t play_info; 176 177 /* AVRCP Target context END */ 178 179 static void a2dp_demo_send_media_packet(void){ 180 int num_bytes_in_frame = btstack_sbc_encoder_sbc_buffer_length(); 181 int bytes_in_storage = media_tracker.sbc_storage_count; 182 uint8_t num_frames = bytes_in_storage / num_bytes_in_frame; 183 a2dp_source_stream_send_media_payload(media_tracker.local_seid, media_tracker.sbc_storage, bytes_in_storage, num_frames, 0); 184 media_tracker.sbc_storage_count = 0; 185 media_tracker.sbc_ready_to_send = 0; 186 } 187 188 static void produce_sine_audio(int16_t * pcm_buffer, int num_samples_to_write){ 189 int count; 190 for (count = 0; count < num_samples_to_write ; count++){ 191 pcm_buffer[count * 2] = sine_int16[sine_phase]; 192 pcm_buffer[count * 2 + 1] = sine_int16[sine_phase]; 193 sine_phase++; 194 if (sine_phase >= TABLE_SIZE_441HZ){ 195 sine_phase -= TABLE_SIZE_441HZ; 196 } 197 } 198 } 199 200 static void produce_mod_audio(int16_t * pcm_buffer, int num_samples_to_write){ 201 hxcmod_fillbuffer(&mod_context, (unsigned short *) &pcm_buffer[0], num_samples_to_write, &trkbuf); 202 } 203 204 static void produce_audio(int16_t * pcm_buffer, int num_samples){ 205 switch (data_source){ 206 case STREAM_SINE: 207 produce_sine_audio(pcm_buffer, num_samples); 208 break; 209 case STREAM_MOD: 210 produce_mod_audio(pcm_buffer, num_samples); 211 break; 212 } 213 } 214 215 static int a2dp_demo_fill_sbc_audio_buffer(a2dp_media_sending_context_t * context){ 216 // perform sbc encodin 217 int total_num_bytes_read = 0; 218 unsigned int num_audio_samples_per_sbc_buffer = btstack_sbc_encoder_num_audio_frames(); 219 while (context->samples_ready >= num_audio_samples_per_sbc_buffer 220 && (context->max_media_payload_size - context->sbc_storage_count) >= btstack_sbc_encoder_sbc_buffer_length()){ 221 222 int16_t pcm_frame[256*NUM_CHANNELS]; 223 224 produce_audio(pcm_frame, num_audio_samples_per_sbc_buffer); 225 btstack_sbc_encoder_process_data(pcm_frame); 226 227 uint16_t sbc_frame_size = btstack_sbc_encoder_sbc_buffer_length(); 228 uint8_t * sbc_frame = btstack_sbc_encoder_sbc_buffer(); 229 230 total_num_bytes_read += num_audio_samples_per_sbc_buffer; 231 memcpy(&context->sbc_storage[context->sbc_storage_count], sbc_frame, sbc_frame_size); 232 context->sbc_storage_count += sbc_frame_size; 233 context->samples_ready -= num_audio_samples_per_sbc_buffer; 234 } 235 return total_num_bytes_read; 236 } 237 238 static void a2dp_demo_audio_timeout_handler(btstack_timer_source_t * timer){ 239 a2dp_media_sending_context_t * context = (a2dp_media_sending_context_t *) btstack_run_loop_get_timer_context(timer); 240 btstack_run_loop_set_timer(&context->audio_timer, AUDIO_TIMEOUT_MS); 241 btstack_run_loop_add_timer(&context->audio_timer); 242 uint32_t now = btstack_run_loop_get_time_ms(); 243 244 uint32_t update_period_ms = AUDIO_TIMEOUT_MS; 245 if (context->time_audio_data_sent > 0){ 246 update_period_ms = now - context->time_audio_data_sent; 247 } 248 249 uint32_t num_samples = (update_period_ms * A2DP_SAMPLE_RATE) / 1000; 250 context->acc_num_missed_samples += (update_period_ms * A2DP_SAMPLE_RATE) % 1000; 251 252 while (context->acc_num_missed_samples >= 1000){ 253 num_samples++; 254 context->acc_num_missed_samples -= 1000; 255 } 256 context->time_audio_data_sent = now; 257 context->samples_ready += num_samples; 258 259 if (context->sbc_ready_to_send) return; 260 261 a2dp_demo_fill_sbc_audio_buffer(context); 262 263 if ((context->sbc_storage_count + btstack_sbc_encoder_sbc_buffer_length()) > context->max_media_payload_size){ 264 // schedule sending 265 context->sbc_ready_to_send = 1; 266 a2dp_source_stream_endpoint_request_can_send_now(context->local_seid); 267 } 268 } 269 270 static void a2dp_demo_timer_start(a2dp_media_sending_context_t * context){ 271 context->max_media_payload_size = a2dp_max_media_payload_size(context->local_seid); 272 context->sbc_storage_count = 0; 273 context->sbc_ready_to_send = 0; 274 context->streaming = 1; 275 btstack_run_loop_remove_timer(&context->audio_timer); 276 btstack_run_loop_set_timer_handler(&context->audio_timer, a2dp_demo_audio_timeout_handler); 277 btstack_run_loop_set_timer_context(&context->audio_timer, context); 278 btstack_run_loop_set_timer(&context->audio_timer, AUDIO_TIMEOUT_MS); 279 btstack_run_loop_add_timer(&context->audio_timer); 280 } 281 282 static void a2dp_demo_timer_stop(a2dp_media_sending_context_t * context){ 283 context->time_audio_data_sent = 0; 284 context->acc_num_missed_samples = 0; 285 context->samples_ready = 0; 286 context->streaming = 1; 287 context->sbc_storage_count = 0; 288 context->sbc_ready_to_send = 0; 289 btstack_run_loop_remove_timer(&context->audio_timer); 290 } 291 292 static void a2dp_demo_timer_pause(a2dp_media_sending_context_t * context){ 293 btstack_run_loop_remove_timer(&context->audio_timer); 294 } 295 296 297 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 298 UNUSED(channel); 299 UNUSED(size); 300 uint8_t status; 301 uint8_t local_seid; 302 bd_addr_t address; 303 304 if (packet_type != HCI_EVENT_PACKET) return; 305 306 #ifndef HAVE_BTSTACK_STDIN 307 if (hci_event_packet_get_type(packet) == BTSTACK_EVENT_STATE){ 308 if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return; 309 printf("Create AVDTP Source connection to addr %s.\n", bd_addr_to_str(device_addr)); 310 status = a2dp_source_establish_stream(device_addr, media_tracker.local_seid, &media_tracker.a2dp_cid); 311 if (status != ERROR_CODE_SUCCESS){ 312 printf("Could not perform command, status 0x%2x\n", status); 313 } 314 return; 315 } 316 #endif 317 318 if (hci_event_packet_get_type(packet) != HCI_EVENT_A2DP_META) return; 319 320 switch (packet[2]){ 321 case A2DP_SUBEVENT_INCOMING_CONNECTION_ESTABLISHED: 322 a2dp_subevent_incoming_connection_established_get_bd_addr(packet, address); 323 media_tracker.a2dp_cid = a2dp_subevent_incoming_connection_established_get_a2dp_cid(packet); 324 printf("A2DP: Incoming connection established: address %s, a2dp cid 0x%02x. Create stream on local seid %d.\n", 325 bd_addr_to_str(address), media_tracker.a2dp_cid, media_tracker.local_seid); 326 status = a2dp_source_establish_stream(device_addr, media_tracker.local_seid, &media_tracker.a2dp_cid); 327 if (status != ERROR_CODE_SUCCESS){ 328 printf("Could not perform command, status 0x%2x\n", status); 329 } 330 break; 331 case A2DP_SUBEVENT_STREAM_ESTABLISHED: 332 a2dp_subevent_stream_established_get_bd_addr(packet, address); 333 status = a2dp_subevent_stream_established_get_status(packet); 334 if (status){ 335 printf("A2DP: Stream establishment failed: status 0x%02x.\n", status); 336 break; 337 } 338 local_seid = a2dp_subevent_stream_established_get_local_seid(packet); 339 if (local_seid != media_tracker.local_seid){ 340 printf("A2DP: Stream establishment failed: wrong local seid %d, expected %d.\n", local_seid, media_tracker.local_seid); 341 break; 342 } 343 media_tracker.a2dp_cid = a2dp_subevent_stream_established_get_a2dp_cid(packet); 344 printf("A2DP: Stream established: address %s, a2dp cid 0x%02x, local seid %d, remote seid %d.\n", bd_addr_to_str(address), 345 media_tracker.a2dp_cid, media_tracker.local_seid, a2dp_subevent_stream_established_get_remote_seid(packet)); 346 printf("Start playing mod.\n"); 347 data_source = STREAM_MOD; 348 status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); 349 break; 350 351 case A2DP_SUBEVENT_STREAM_STARTED: 352 play_info.status = AVRCP_PLAY_STATUS_PLAYING; 353 a2dp_demo_timer_start(&media_tracker); 354 printf("A2DP: Stream started.\n"); 355 break; 356 357 case A2DP_SUBEVENT_STREAMING_CAN_SEND_MEDIA_PACKET_NOW: 358 a2dp_demo_send_media_packet(); 359 break; 360 361 case A2DP_SUBEVENT_STREAM_SUSPENDED: 362 play_info.status = AVRCP_PLAY_STATUS_PAUSED; 363 printf("A2DP: Stream paused.\n"); 364 a2dp_demo_timer_pause(&media_tracker); 365 break; 366 367 case A2DP_SUBEVENT_STREAM_RELEASED: 368 play_info.status = AVRCP_PLAY_STATUS_STOPPED; 369 printf("A2DP: Stream released.\n"); 370 a2dp_demo_timer_stop(&media_tracker); 371 break; 372 default: 373 printf("A2DP: event 0x%02x is not implemented\n", packet[2]); 374 break; 375 } 376 } 377 378 static void avrcp_target_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 379 UNUSED(channel); 380 UNUSED(size); 381 bd_addr_t event_addr; 382 uint16_t local_cid; 383 uint8_t status = 0xFF; 384 385 if (packet_type != HCI_EVENT_PACKET) return; 386 if (hci_event_packet_get_type(packet) != HCI_EVENT_AVRCP_META) return; 387 switch (packet[2]){ 388 case AVRCP_SUBEVENT_CONNECTION_ESTABLISHED: { 389 local_cid = avrcp_subevent_connection_established_get_avrcp_cid(packet); 390 if (avrcp_cid != 0 && avrcp_cid != local_cid) { 391 printf("AVRCP: Connection failed, expected 0x%02X l2cap cid, received 0x%02X\n", avrcp_cid, local_cid); 392 return; 393 } 394 395 status = avrcp_subevent_connection_established_get_status(packet); 396 if (status != ERROR_CODE_SUCCESS){ 397 printf("AVRCP: Connection failed: status 0x%02x\n", status); 398 avrcp_cid = 0; 399 return; 400 } 401 avrcp_cid = local_cid; 402 play_info.song_length_ms = 0xFFFFFFFF; 403 play_info.song_position_ms = 0xFFFFFFFF; 404 play_info.status = AVRCP_PLAY_STATUS_ERROR; 405 406 avrcp_subevent_connection_established_get_bd_addr(packet, event_addr); 407 printf("AVRCP: connected to %s, avrcp_cid 0x%02x\n", bd_addr_to_str(event_addr), local_cid); 408 return; 409 } 410 411 case AVRCP_SUBEVENT_UNIT_INFO_QUERY: 412 avrcp_target_unit_info(avrcp_cid, AVRCP_SUBUNIT_TYPE_AUDIO, company_id); 413 break; 414 case AVRCP_SUBEVENT_SUBUNIT_INFO_QUERY: 415 avrcp_target_subunit_info(avrcp_cid, AVRCP_SUBUNIT_TYPE_UNIT, avrcp_subevent_subunit_info_query_get_offset(packet), (uint8_t *)subunit_info); 416 break; 417 case AVRCP_SUBEVENT_EVENT_IDS_QUERY: 418 avrcp_target_supported_events(avrcp_cid, events_num, events, sizeof(events)); 419 break; 420 case AVRCP_SUBEVENT_COMPANY_IDS_QUERY: 421 avrcp_target_supported_companies(avrcp_cid, companies_num, companies, sizeof(companies)); 422 break; 423 case AVRCP_SUBEVENT_PLAY_STATUS_QUERY: 424 avrcp_target_play_status(avrcp_cid, play_info.song_length_ms, play_info.song_position_ms, play_info.status); 425 break; 426 case AVRCP_SUBEVENT_NOW_PLAYING_INFO_QUERY: 427 avrcp_target_set_now_playing_title(avrcp_cid, now_playing_info.title); 428 avrcp_target_set_now_playing_artist(avrcp_cid, now_playing_info.artist); 429 avrcp_target_set_now_playing_album(avrcp_cid, now_playing_info.album); 430 avrcp_target_set_now_playing_genre(avrcp_cid, now_playing_info.genre); 431 avrcp_target_set_now_playing_track_nr(avrcp_cid, now_playing_info.track_nr); 432 avrcp_target_set_now_playing_total_tracks(avrcp_cid, now_playing_info.total_tracks); 433 avrcp_target_set_now_playing_song_length_ms(avrcp_cid, now_playing_info.song_length_ms); 434 435 avrcp_target_now_playing_info(avrcp_cid); 436 break; 437 case AVRCP_SUBEVENT_CONNECTION_RELEASED: 438 printf("AVRCP: Channel released: avrcp_cid 0x%02x\n", avrcp_subevent_connection_released_get_avrcp_cid(packet)); 439 avrcp_cid = 0; 440 return; 441 default: 442 printf("AVRCP: event not parsed %02x\n", packet[2]); 443 break; 444 } 445 } 446 447 #ifdef HAVE_BTSTACK_STDIN 448 static void show_usage(void){ 449 bd_addr_t iut_address; 450 gap_local_bd_addr(iut_address); 451 printf("\n--- Bluetooth A2DP Source/AVRCP Target Demo %s ---\n", bd_addr_to_str(iut_address)); 452 printf("b - AVDTP Source create connection to addr %s\n", device_addr_string); 453 printf("B - AVDTP Source disconnect\n"); 454 printf("c - AVRCP Target create connection to addr %s\n", device_addr_string); 455 printf("C - AVRCP Target disconnect\n"); 456 457 printf("x - start streaming sine\n"); 458 if (hxcmod_initialized){ 459 printf("z - start streaming '%s'\n", mod_name); 460 } 461 printf("p - pause streaming\n"); 462 463 printf("\n--- Bluetooth AVRCP Target Commands %s ---\n", bd_addr_to_str(iut_address)); 464 printf("---\n"); 465 } 466 467 static void stdin_process(char cmd){ 468 uint8_t status = ERROR_CODE_SUCCESS; 469 switch (cmd){ 470 case 'b': 471 printf(" - Create AVDTP Source connection to addr %s.\n", bd_addr_to_str(device_addr)); 472 status = a2dp_source_establish_stream(device_addr, media_tracker.local_seid, &media_tracker.a2dp_cid); 473 break; 474 case 'B': 475 printf(" - AVDTP Source Disconnect\n"); 476 status = a2dp_source_disconnect(media_tracker.a2dp_cid); 477 break; 478 case 'c': 479 printf(" - Create AVRCP Target connection to addr %s.\n", bd_addr_to_str(device_addr)); 480 status = avrcp_target_connect(device_addr, &avrcp_cid); 481 break; 482 case 'C': 483 printf(" - AVRCP Target disconnect\n"); 484 status = avrcp_target_disconnect(avrcp_cid); 485 break; 486 487 case '\n': 488 case '\r': 489 break; 490 491 case 'x': 492 printf("Playing sine.\n"); 493 data_source = STREAM_SINE; 494 status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); 495 break; 496 case 'z': 497 printf("Playing mod.\n"); 498 data_source = STREAM_MOD; 499 status = a2dp_source_start_stream(media_tracker.a2dp_cid, media_tracker.local_seid); 500 break; 501 case 'p': 502 printf("Pause stream.\n"); 503 status = a2dp_source_pause_stream(media_tracker.a2dp_cid, media_tracker.local_seid); 504 break; 505 506 default: 507 show_usage(); 508 return; 509 } 510 if (status != ERROR_CODE_SUCCESS){ 511 printf("Could not perform command, status 0x%2x\n", status); 512 } 513 } 514 #endif 515 516 517 int btstack_main(int argc, const char * argv[]); 518 int btstack_main(int argc, const char * argv[]){ 519 UNUSED(argc); 520 (void)argv; 521 522 // register for HCI events 523 hci_event_callback_registration.callback = &packet_handler; 524 hci_add_event_handler(&hci_event_callback_registration); 525 526 l2cap_init(); 527 // Initialize AVDTP Source 528 a2dp_source_init(); 529 a2dp_source_register_packet_handler(&packet_handler); 530 531 avdtp_stream_endpoint_t * local_stream_endpoint = a2dp_source_create_stream_endpoint(AVDTP_AUDIO, AVDTP_CODEC_SBC, media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities), media_sbc_codec_configuration, sizeof(media_sbc_codec_configuration)); 532 if (!local_stream_endpoint){ 533 printf("A2DP source demo: not enough memory to create local stream endpoint\n"); 534 return 1; 535 } 536 media_tracker.local_seid = avdtp_local_seid(local_stream_endpoint); 537 538 // Initialize AVRCP Target 539 avrcp_target_init(); 540 avrcp_target_register_packet_handler(&avrcp_target_packet_handler); 541 542 // Initialize SDP 543 sdp_init(); 544 memset(sdp_a2dp_source_service_buffer, 0, sizeof(sdp_a2dp_source_service_buffer)); 545 a2dp_source_create_sdp_record(sdp_a2dp_source_service_buffer, 0x10002, 1, NULL, NULL); 546 sdp_register_service(sdp_a2dp_source_service_buffer); 547 548 gap_set_local_name(device_name); 549 gap_discoverable_control(1); 550 gap_set_class_of_device(0x200408); 551 552 hxcmod_initialized = hxcmod_init(&mod_context); 553 if (hxcmod_initialized){ 554 hxcmod_setcfg(&mod_context, A2DP_SAMPLE_RATE, 16, 1, 1, 1); 555 hxcmod_load(&mod_context, (void *) &mod_data, mod_len); 556 printf("loaded mod '%s', size %u\n", mod_name, mod_len); 557 } 558 559 // For PTS test 560 memcpy(now_playing_info.title, "Title 1", 8); 561 memcpy(now_playing_info.artist, "Artist 1", 8); 562 memcpy(now_playing_info.album, "Album 1", 8); 563 memcpy(now_playing_info.genre, "Genre 1", 8); 564 now_playing_info.track_nr = 1; 565 now_playing_info.total_tracks = 10; 566 now_playing_info.song_length_ms = 3655; 567 568 // parse human readable Bluetooth address 569 sscanf_bd_addr(device_addr_string, device_addr); 570 571 #ifdef HAVE_BTSTACK_STDIN 572 btstack_stdin_setup(stdin_process); 573 #endif 574 // turn on! 575 hci_power_control(HCI_POWER_ON); 576 return 0; 577 } 578