/* * Copyright (C) 2016 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ #include #include #include #include #include #include #include "btstack.h" typedef struct { // bitmaps uint8_t sampling_frequency_bitmap; uint8_t channel_mode_bitmap; uint8_t block_length_bitmap; uint8_t subbands_bitmap; uint8_t allocation_method_bitmap; uint8_t min_bitpool_value; uint8_t max_bitpool_value; } adtvp_media_codec_information_sbc_t; typedef struct { int reconfigure; int num_channels; int sampling_frequency; int channel_mode; int block_length; int subbands; int allocation_method; int min_bitpool_value; int max_bitpool_value; int frames_per_buffer; } avdtp_media_codec_configuration_sbc_t; #ifdef HAVE_BTSTACK_STDIN // mac 2011: static const char * device_addr_string = "04:0C:CE:E4:85:D3"; // pts: static const char * device_addr_string = "00:1B:DC:08:0A:A5"; // mac 2013: static const char * device_addr_string = "84:38:35:65:d1:15"; // phone 2013: static const char * device_addr_string = "D8:BB:2C:DF:F0:F2"; // minijambox: static const char * device_addr_string = "00:21:3C:AC:F7:38"; // head phones: static const char * device_addr_string = "00:18:09:28:50:18"; // bt dongle: static const char * device_addr_string = "00:15:83:5F:9D:46"; #endif static bd_addr_t device_addr; static uint16_t avdtp_cid = 0; static uint16_t avdtp_media_cid = 0; static uint8_t sdp_avdtp_source_service_buffer[150]; static uint8_t remote_seid; static adtvp_media_codec_information_sbc_t sbc_capability; static avdtp_media_codec_configuration_sbc_t sbc_configuration; static avdtp_stream_endpoint_t * local_stream_endpoint; static uint16_t remote_configuration_bitmap; static avdtp_capabilities_t remote_configuration; static avdtp_context_t a2dp_source_context; static const char * avdtp_si_name[] = { "ERROR", "AVDTP_SI_DISCOVER", "AVDTP_SI_GET_CAPABILITIES", "AVDTP_SI_SET_CONFIGURATION", "AVDTP_SI_GET_CONFIGURATION", "AVDTP_SI_RECONFIGURE", "AVDTP_SI_OPEN", "AVDTP_SI_START", "AVDTP_SI_CLOSE", "AVDTP_SI_SUSPEND", "AVDTP_SI_ABORT", "AVDTP_SI_SECURITY_CONTROL", "AVDTP_SI_GET_ALL_CAPABILITIES", "AVDTP_SI_DELAY_REPORT" }; typedef enum { AVDTP_APPLICATION_IDLE, AVDTP_APPLICATION_W2_DISCOVER_SEPS, AVDTP_APPLICATION_W2_GET_CAPABILITIES, AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES, AVDTP_APPLICATION_W2_SET_CONFIGURATION, AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID, AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID, AVDTP_APPLICATION_W2_GET_CONFIGURATION, AVDTP_APPLICATION_STREAMING_OPENED } avdtp_application_state_t; avdtp_application_state_t app_state = AVDTP_APPLICATION_IDLE; static btstack_packet_callback_registration_t hci_event_callback_registration; static const char * avdtp_si2str(uint16_t index){ if (index <= 0 || index > sizeof(avdtp_si_name)) return avdtp_si_name[0]; return avdtp_si_name[index]; } static void dump_sbc_capability(adtvp_media_codec_information_sbc_t media_codec_sbc){ printf(" --- avdtp source --- Received media codec capability:\n"); printf(" - sampling_frequency: 0x%02x\n", media_codec_sbc.sampling_frequency_bitmap); printf(" - channel_mode: 0x%02x\n", media_codec_sbc.channel_mode_bitmap); printf(" - block_length: 0x%02x\n", media_codec_sbc.block_length_bitmap); printf(" - subbands: 0x%02x\n", media_codec_sbc.subbands_bitmap); printf(" - allocation_method: 0x%02x\n", media_codec_sbc.allocation_method_bitmap); printf(" - bitpool_value [%d, %d] \n", media_codec_sbc.min_bitpool_value, media_codec_sbc.max_bitpool_value); printf("\n"); } static void dump_sbc_configuration(avdtp_media_codec_configuration_sbc_t configuration){ printf(" --- avdtp source --- Received media codec configuration:\n"); printf(" - num_channels: %d\n", configuration.num_channels); printf(" - sampling_frequency: %d\n", configuration.sampling_frequency); printf(" - channel_mode: %d\n", configuration.channel_mode); printf(" - block_length: %d\n", configuration.block_length); printf(" - subbands: %d\n", configuration.subbands); printf(" - allocation_method: %d\n", configuration.allocation_method); printf(" - bitpool_value [%d, %d] \n", configuration.min_bitpool_value, configuration.max_bitpool_value); printf("\n"); } static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ UNUSED(channel); UNUSED(size); bd_addr_t event_addr; uint8_t signal_identifier; uint8_t status; avdtp_sep_t sep; switch (packet_type) { case HCI_EVENT_PACKET: switch (hci_event_packet_get_type(packet)) { case HCI_EVENT_PIN_CODE_REQUEST: // inform about pin code request printf("Pin code request - using '0000'\n"); hci_event_pin_code_request_get_bd_addr(packet, event_addr); hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); break; case HCI_EVENT_DISCONNECTION_COMPLETE: // connection closed -> quit test app printf("\n --- avdtp source --- HCI_EVENT_DISCONNECTION_COMPLETE ---\n"); break; case HCI_EVENT_AVDTP_META: switch (packet[2]){ case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED: avdtp_cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet); status = avdtp_subevent_signaling_connection_established_get_status(packet); if (status != 0){ printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION cpould not be established, status %d ---\n", status); break; } printf(" --- avdtp source --- AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED, con handle 0x%02x ---\n", avdtp_cid); break; case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED: avdtp_media_cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet); status = avdtp_subevent_streaming_connection_established_get_status(packet); if (status != 0){ printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION could not be established, status %d ---\n", status); break; } app_state = AVDTP_APPLICATION_STREAMING_OPENED; printf(" --- avdtp source --- AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED, con handle 0x%02x ---\n", avdtp_media_cid); break; case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND: if (app_state != AVDTP_APPLICATION_W2_DISCOVER_SEPS) return; sep.seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet); sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet); sep.media_type = avdtp_subevent_signaling_sep_found_get_media_type(packet); sep.type = avdtp_subevent_signaling_sep_found_get_sep_type(packet); printf(" --- avdtp source --- Found sep: seid %u, in_use %d, media type %d, sep type %d (1-SNK)\n", sep.seid, sep.in_use, sep.media_type, sep.type); break; case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY: app_state = AVDTP_APPLICATION_IDLE; sbc_capability.sampling_frequency_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet); sbc_capability.channel_mode_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet); sbc_capability.block_length_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet); sbc_capability.subbands_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet); sbc_capability.allocation_method_bitmap = avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet); sbc_capability.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet); sbc_capability.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet); dump_sbc_capability(sbc_capability); break; case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:{ app_state = AVDTP_APPLICATION_IDLE; sbc_configuration.reconfigure = avdtp_subevent_signaling_media_codec_sbc_configuration_get_reconfigure(packet); sbc_configuration.num_channels = avdtp_subevent_signaling_media_codec_sbc_configuration_get_num_channels(packet); sbc_configuration.sampling_frequency = avdtp_subevent_signaling_media_codec_sbc_configuration_get_sampling_frequency(packet); sbc_configuration.channel_mode = avdtp_subevent_signaling_media_codec_sbc_configuration_get_channel_mode(packet); sbc_configuration.block_length = avdtp_subevent_signaling_media_codec_sbc_configuration_get_block_length(packet); sbc_configuration.subbands = avdtp_subevent_signaling_media_codec_sbc_configuration_get_subbands(packet); sbc_configuration.allocation_method = avdtp_subevent_signaling_media_codec_sbc_configuration_get_allocation_method(packet); sbc_configuration.min_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_min_bitpool_value(packet); sbc_configuration.max_bitpool_value = avdtp_subevent_signaling_media_codec_sbc_configuration_get_max_bitpool_value(packet); sbc_configuration.frames_per_buffer = sbc_configuration.subbands * sbc_configuration.block_length; dump_sbc_configuration(sbc_configuration); // if (sbc_configuration.reconfigure){} break; } case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY: printf(" --- avdtp source --- received non SBC codec. not implemented\n"); break; case AVDTP_SUBEVENT_SIGNALING_ACCEPT: app_state = AVDTP_APPLICATION_IDLE; signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet); printf(" --- avdtp source --- Accepted %s\n", avdtp_si2str(signal_identifier)); if (app_state != AVDTP_APPLICATION_STREAMING_OPENED) return; switch (signal_identifier){ case AVDTP_SI_START: break; case AVDTP_SI_CLOSE: break; case AVDTP_SI_SUSPEND: break; case AVDTP_SI_ABORT: break; default: break; } break; case AVDTP_SUBEVENT_SIGNALING_REJECT: signal_identifier = avdtp_subevent_signaling_reject_get_signal_identifier(packet); printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier)); break; case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT: signal_identifier = avdtp_subevent_signaling_general_reject_get_signal_identifier(packet); printf(" --- avdtp source --- Rejected %s\n", avdtp_si2str(signal_identifier)); break; default: printf(" --- avdtp source --- not implemented\n"); break; } break; default: break; } break; default: // other packet type break; } } static const uint8_t media_sbc_codec_capabilities[] = { 0xFF,//(AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, 0xFF,//(AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 2, 53 }; static const uint8_t media_sbc_codec_configuration[] = { (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_LOUDNESS, 2, 53 }; static const uint8_t media_sbc_codec_reconfiguration[] = { (AVDTP_SBC_44100 << 4) | AVDTP_SBC_STEREO, (AVDTP_SBC_BLOCK_LENGTH_16 << 4) | (AVDTP_SBC_SUBBANDS_8 << 2) | AVDTP_SBC_ALLOCATION_METHOD_SNR, 2, 53 }; #ifdef HAVE_BTSTACK_STDIN static void show_usage(void){ bd_addr_t iut_address; gap_local_bd_addr(iut_address); printf("\n--- Bluetooth AVDTP SOURCE Test Console %s ---\n", bd_addr_to_str(iut_address)); printf("c - create connection to addr %s\n", device_addr_string); printf("C - disconnect\n"); printf("d - discover stream endpoints\n"); printf("g - get capabilities\n"); printf("a - get all capabilities\n"); printf("s - set configuration\n"); printf("f - get configuration\n"); printf("R - reconfigure stream with %d\n", remote_seid); printf("o - open stream with seid %d\n", remote_seid); printf("m - start stream with %d\n", remote_seid); printf("x - start data stream\n"); printf("X - stop data stream\n"); printf("A - abort stream with %d\n", remote_seid); printf("S - stop stream with %d\n", remote_seid); printf("P - suspend stream with %d\n", remote_seid); printf("Ctrl-c - exit\n"); printf("---\n"); } static void stdin_process(char cmd){ remote_seid = 1; switch (cmd){ case 'c': printf("Creating L2CAP Connection to %s, BLUETOOTH_PROTOCOL_AVDTP\n", device_addr_string); avdtp_source_connect(device_addr, &avdtp_cid); break; case 'C': printf("Disconnect not implemented\n"); avdtp_source_disconnect(avdtp_cid); break; case 'd': app_state = AVDTP_APPLICATION_W2_DISCOVER_SEPS; avdtp_source_discover_stream_endpoints(avdtp_cid); break; case 'g': app_state = AVDTP_APPLICATION_W2_GET_CAPABILITIES; avdtp_source_get_capabilities(avdtp_cid, remote_seid); break; case 'a': app_state = AVDTP_APPLICATION_W2_GET_ALL_CAPABILITIES; avdtp_source_get_all_capabilities(avdtp_cid, remote_seid); break; case 'f': app_state = AVDTP_APPLICATION_W2_GET_CONFIGURATION; avdtp_source_get_configuration(avdtp_cid, remote_seid); break; case 's': app_state = AVDTP_APPLICATION_W2_SET_CONFIGURATION; remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); remote_configuration.media_codec.media_type = AVDTP_AUDIO; remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_configuration); remote_configuration.media_codec.media_codec_information = (uint8_t *)media_sbc_codec_configuration; avdtp_source_set_configuration(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid, remote_configuration_bitmap, remote_configuration); break; case 'R': app_state = AVDTP_APPLICATION_W2_RECONFIGURE_WITH_SEID; remote_configuration_bitmap = store_bit16(remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1); remote_configuration.media_codec.media_type = AVDTP_AUDIO; remote_configuration.media_codec.media_codec_type = AVDTP_CODEC_SBC; remote_configuration.media_codec.media_codec_information_len = sizeof(media_sbc_codec_reconfiguration); remote_configuration.media_codec.media_codec_information = (uint8_t *)media_sbc_codec_reconfiguration; avdtp_source_reconfigure(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid, remote_configuration_bitmap, remote_configuration); break; case 'o': app_state = AVDTP_APPLICATION_W2_OPEN_STREAM_WITH_SEID; avdtp_source_open_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint), remote_seid); break; case 'm': app_state = AVDTP_APPLICATION_W2_START_STREAM_WITH_SEID; avdtp_source_start_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'A': app_state = AVDTP_APPLICATION_W2_ABORT_STREAM_WITH_SEID; avdtp_source_abort_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'S': app_state = AVDTP_APPLICATION_W2_STOP_STREAM_WITH_SEID; avdtp_source_stop_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'P': app_state = AVDTP_APPLICATION_W2_SUSPEND_STREAM_WITH_SEID; avdtp_source_suspend(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'x': printf("start streaming sine\n"); avdtp_source_start_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case 'X': printf("stop streaming sine\n"); avdtp_source_stop_stream(avdtp_cid, avdtp_local_seid(local_stream_endpoint)); break; case '\n': case '\r': break; default: show_usage(); break; } } #endif int btstack_main(int argc, const char * argv[]); int btstack_main(int argc, const char * argv[]){ UNUSED(argc); (void)argv; /* Register for HCI events */ hci_event_callback_registration.callback = &packet_handler; hci_add_event_handler(&hci_event_callback_registration); l2cap_init(); // Initialize AVDTP Sink avdtp_source_init(&a2dp_source_context); avdtp_source_register_packet_handler(&packet_handler); //#ifndef SMG_BI local_stream_endpoint = avdtp_source_create_stream_endpoint(AVDTP_SOURCE, AVDTP_AUDIO); avdtp_source_register_media_transport_category(avdtp_local_seid(local_stream_endpoint)); avdtp_source_register_media_codec_category(avdtp_local_seid(local_stream_endpoint), AVDTP_AUDIO, AVDTP_CODEC_SBC, (uint8_t *)media_sbc_codec_capabilities, sizeof(media_sbc_codec_capabilities)); //#endif // uint8_t cp_type_lsb, uint8_t cp_type_msb, const uint8_t * cp_type_value, uint8_t cp_type_value_len // avdtp_source_register_content_protection_category(seid, 2, 2, NULL, 0); // Initialize SDP sdp_init(); memset(sdp_avdtp_source_service_buffer, 0, sizeof(sdp_avdtp_source_service_buffer)); a2dp_source_create_sdp_record(sdp_avdtp_source_service_buffer, 0x10002, 1, NULL, NULL); sdp_register_service(sdp_avdtp_source_service_buffer); gap_set_local_name("BTstack A2DP Source Test"); gap_discoverable_control(1); gap_set_class_of_device(0x200408); #ifdef HAVE_BTSTACK_STDIN // parse human readable Bluetooth address sscanf_bd_addr(device_addr_string, device_addr); btstack_stdin_setup(stdin_process); #endif // turn on! hci_power_control(HCI_POWER_ON); return 0; }