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btstack/example/hfp_hf_demo.c

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/*
* Copyright (C) 2014 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
*
*/
/*
* hfp_hs_demo.c
*/
// *****************************************************************************
/* EXAMPLE_START(hfp_hs_demo): HFP Hands-Free (HF) Demo
*
* @text This HFP Hands-Free example demonstrates how to receive
* an output from a remote HFP audio gateway (AG), and,
* if HAVE_POSIX_STDIN is defined, how to control the HFP AG.
*/
// *****************************************************************************
#include "btstack_config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "btstack.h"
#ifdef HAVE_POSIX_STDIN
#include "stdin_support.h"
#endif
uint8_t hfp_service_buffer[150];
const uint8_t rfcomm_channel_nr = 1;
const char hfp_hf_service_name[] = "BTstack HFP HF Demo";
#ifdef HAVE_POSIX_STDIN
static bd_addr_t device_addr = {0xD8,0xBb,0x2C,0xDf,0xF1,0x08};
// prototypes
static void show_usage(void);
#endif
static uint16_t handle = -1;
static uint8_t codecs[] = {HFP_CODEC_CVSD, HFP_CODEC_MSBC};
static uint16_t indicators[1] = {0x01};
char cmd;
#ifdef HAVE_POSIX_STDIN
// Testig User Interface
static void show_usage(void){
printf("\n--- Bluetooth HFP Hands-Free (HF) unit Test Console ---\n");
printf("---\n");
printf("a - establish SLC connection to device\n");
printf("A - release SLC connection to device\n");
printf("b - establish Audio connection\n");
printf("B - release Audio connection\n");
printf("c - disable registration status update for all AG indicators\n");
printf("C - enable registration status update for all AG indicators\n");
printf("d - query network operator.\n");
printf("D - set HFP AG registration status update for individual indicators (IIA)\n");
printf("e - disable reporting of the extended AG error result code\n");
printf("E - enable reporting of the extended AG error result code\n");
printf("f - answer incoming call\n");
printf("F - Hangup call\n");
printf("g - query network operator name\n");
printf("G - reject incoming call\n");
printf("i - dial 1234567\n");
printf("I - dial 7654321\n");
printf("j - dial #1\n");
printf("J - dial #99\n");
printf("k - deactivate call waiting notification\n");
printf("K - activate call waiting notification\n");
printf("l - deactivate calling line notification\n");
printf("L - activate calling line notification\n");
printf("m - deactivate echo canceling and noise reduction\n");
printf("M - activate echo canceling and noise reduction\n");
printf("n - deactivate voice recognition\n");
printf("N - activate voice recognition\n");
printf("o - Set speaker volume to 0 (minimum)\n");
printf("O - Set speaker volume to 9 (default)\n");
printf("p - Set speaker volume to 12 (higher)\n");
printf("P - Set speaker volume to 15 (maximum)\n");
printf("q - Set microphone gain to 0 (minimum)\n");
printf("Q - Set microphone gain to 9 (default)\n");
printf("s - Set microphone gain to 12 (higher)\n");
printf("S - Set microphone gain to 15 (maximum)\n");
printf("t - terminate connection\n");
printf("u - send 'user busy' (TWC 0)\n");
printf("U - end active call and accept other call' (TWC 1)\n");
printf("v - Swap active call and hold/waiting call (TWC 2)\n");
printf("V - Join held call (TWC 3)\n");
printf("w - Connect calls (TWC 4)\n");
printf("W - redial\n");
printf("0123456789#*-+ - send DTMF dial tones\n");
printf("x - request phone number for voice tag\n");
printf("X - current call status (ECS)\n");
printf("y - release call with index 2 (ECC)\n");
printf("Y - private consulation with call 2(ECC)\n");
printf("[ - Query Response and Hold status (RHH ?)\n");
printf("] - Place call in a response and held state(RHH 0)\n");
printf("{ - Accept held call(RHH 1)\n");
printf("} - Reject held call(RHH 2)\n");
printf("? - Query Subscriber Number (NUM)\n");
printf("! - Update HF indicator with assigned number 1 (HFI)\n");
printf("---\n");
printf("Ctrl-c - exit\n");
printf("---\n");
}
static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){
read(ds->fd, &cmd, 1);
if (cmd >= '0' && cmd <= '9'){
printf("DTMF Code: %c\n", cmd);
hfp_hf_send_dtmf_code(device_addr, cmd);
return;
}
switch (cmd){
case '#':
case '-':
case '+':
case '*':
log_info("USER:\'%c\'", cmd);
printf("DTMF Code: %c\n", cmd);
hfp_hf_send_dtmf_code(device_addr, cmd);
break;
case 'a':
log_info("USER:\'%c\'", cmd);
printf("Establish Service level connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr));
hfp_hf_establish_service_level_connection(device_addr);
break;
case 'A':
log_info("USER:\'%c\'", cmd);
printf("Release Service level connection.\n");
hfp_hf_release_service_level_connection(device_addr);
break;
case 'b':
log_info("USER:\'%c\'", cmd);
printf("Establish Audio connection to device with Bluetooth address %s...\n", bd_addr_to_str(device_addr));
hfp_hf_establish_audio_connection(device_addr);
break;
case 'B':
log_info("USER:\'%c\'", cmd);
printf("Release Audio service level connection.\n");
hfp_hf_release_audio_connection(device_addr);
break;
case 'C':
log_info("USER:\'%c\'", cmd);
printf("Enable registration status update for all AG indicators.\n");
hfp_hf_enable_status_update_for_all_ag_indicators(device_addr);
case 'c':
log_info("USER:\'%c\'", cmd);
printf("Disable registration status update for all AG indicators.\n");
hfp_hf_disable_status_update_for_all_ag_indicators(device_addr);
break;
case 'D':
log_info("USER:\'%c\'", cmd);
printf("Set HFP AG registration status update for individual indicators (0111111).\n");
hfp_hf_set_status_update_for_individual_ag_indicators(device_addr, 63);
break;
case 'd':
log_info("USER:\'%c\'", cmd);
printf("Query network operator.\n");
hfp_hf_query_operator_selection(device_addr);
break;
case 'E':
log_info("USER:\'%c\'", cmd);
printf("Enable reporting of the extended AG error result code.\n");
hfp_hf_enable_report_extended_audio_gateway_error_result_code(device_addr);
break;
case 'e':
log_info("USER:\'%c\'", cmd);
printf("Disable reporting of the extended AG error result code.\n");
hfp_hf_disable_report_extended_audio_gateway_error_result_code(device_addr);
break;
case 'f':
log_info("USER:\'%c\'", cmd);
printf("Answer incoming call.\n");
hfp_hf_answer_incoming_call(device_addr);
break;
case 'F':
log_info("USER:\'%c\'", cmd);
printf("Hangup call.\n");
hfp_hf_terminate_call(device_addr);
break;
case 'G':
log_info("USER:\'%c\'", cmd);
printf("Reject incoming call.\n");
hfp_hf_reject_incoming_call(device_addr);
break;
case 'g':
log_info("USER:\'%c\'", cmd);
printf("Query operator.\n");
hfp_hf_query_operator_selection(device_addr);
break;
case 't':
log_info("USER:\'%c\'", cmd);
printf("Terminate HCI connection.\n");
gap_disconnect(handle);
break;
case 'i':
log_info("USER:\'%c\'", cmd);
printf("Dial 1234567\n");
hfp_hf_dial_number(device_addr, "1234567");
break;
case 'I':
log_info("USER:\'%c\'", cmd);
printf("Dial 7654321\n");
hfp_hf_dial_number(device_addr, "7654321");
break;
case 'j':
log_info("USER:\'%c\'", cmd);
printf("Dial #1\n");
hfp_hf_dial_memory(device_addr,1);
break;
case 'J':
log_info("USER:\'%c\'", cmd);
printf("Dial #99\n");
hfp_hf_dial_memory(device_addr,99);
break;
case 'k':
log_info("USER:\'%c\'", cmd);
printf("Deactivate call waiting notification\n");
hfp_hf_deactivate_call_waiting_notification(device_addr);
break;
case 'K':
log_info("USER:\'%c\'", cmd);
printf("Activate call waiting notification\n");
hfp_hf_activate_call_waiting_notification(device_addr);
break;
case 'l':
log_info("USER:\'%c\'", cmd);
printf("Deactivate calling line notification\n");
hfp_hf_deactivate_calling_line_notification(device_addr);
break;
case 'L':
log_info("USER:\'%c\'", cmd);
printf("Activate calling line notification\n");
hfp_hf_activate_calling_line_notification(device_addr);
break;
case 'm':
log_info("USER:\'%c\'", cmd);
printf("Deactivate echo canceling and noise reduction\n");
hfp_hf_deactivate_echo_canceling_and_noise_reduction(device_addr);
break;
case 'M':
log_info("USER:\'%c\'", cmd);
printf("Activate echo canceling and noise reduction\n");
hfp_hf_activate_echo_canceling_and_noise_reduction(device_addr);
break;
case 'n':
log_info("USER:\'%c\'", cmd);
printf("Deactivate voice recognition\n");
hfp_hf_deactivate_voice_recognition_notification(device_addr);
break;
case 'N':
log_info("USER:\'%c\'", cmd);
printf("Activate voice recognition\n");
hfp_hf_activate_voice_recognition_notification(device_addr);
break;
case 'o':
log_info("USER:\'%c\'", cmd);
printf("Set speaker gain to 0 (minimum)\n");
hfp_hf_set_speaker_gain(device_addr, 0);
break;
case 'O':
log_info("USER:\'%c\'", cmd);
printf("Set speaker gain to 9 (default)\n");
hfp_hf_set_speaker_gain(device_addr, 9);
break;
case 'p':
log_info("USER:\'%c\'", cmd);
printf("Set speaker gain to 12 (higher)\n");
hfp_hf_set_speaker_gain(device_addr, 12);
break;
case 'P':
log_info("USER:\'%c\'", cmd);
printf("Set speaker gain to 15 (maximum)\n");
hfp_hf_set_speaker_gain(device_addr, 15);
break;
case 'q':
log_info("USER:\'%c\'", cmd);
printf("Set microphone gain to 0\n");
hfp_hf_set_microphone_gain(device_addr, 0);
break;
case 'Q':
log_info("USER:\'%c\'", cmd);
printf("Set microphone gain to 9\n");
hfp_hf_set_microphone_gain(device_addr, 9);
break;
case 's':
log_info("USER:\'%c\'", cmd);
printf("Set microphone gain to 12\n");
hfp_hf_set_microphone_gain(device_addr, 12);
break;
case 'S':
log_info("USER:\'%c\'", cmd);
printf("Set microphone gain to 15\n");
hfp_hf_set_microphone_gain(device_addr, 15);
break;
case 'u':
log_info("USER:\'%c\'", cmd);
printf("Send 'user busy' (Three-Way Call 0)\n");
hfp_hf_user_busy(device_addr);
break;
case 'U':
log_info("USER:\'%c\'", cmd);
printf("End active call and accept waiting/held call (Three-Way Call 1)\n");
hfp_hf_end_active_and_accept_other(device_addr);
break;
case 'v':
log_info("USER:\'%c\'", cmd);
printf("Swap active call and hold/waiting call (Three-Way Call 2)\n");
hfp_hf_swap_calls(device_addr);
break;
case 'V':
log_info("USER:\'%c\'", cmd);
printf("Join hold call (Three-Way Call 3)\n");
hfp_hf_join_held_call(device_addr);
break;
case 'w':
log_info("USER:\'%c\'", cmd);
printf("Connect calls (Three-Way Call 4)\n");
hfp_hf_connect_calls(device_addr);
break;
case 'W':
log_info("USER:\'%c\'", cmd);
printf("Redial\n");
hfp_hf_redial_last_number(device_addr);
break;
case 'x':
log_info("USER:\'%c\'", cmd);
printf("Request phone number for voice tag\n");
hfp_hf_request_phone_number_for_voice_tag(device_addr);
break;
case 'X':
log_info("USER:\'%c\'", cmd);
printf("Query current call status\n");
hfp_hf_query_current_call_status(device_addr);
break;
case 'y':
log_info("USER:\'%c\'", cmd);
printf("Release call with index 2\n");
hfp_hf_release_call_with_index(device_addr, 2);
break;
case 'Y':
log_info("USER:\'%c\'", cmd);
printf("Private consulation with call 2\n");
hfp_hf_private_consultation_with_call(device_addr, 2);
break;
case '[':
log_info("USER:\'%c\'", cmd);
printf("Query Response and Hold status (RHH ?)\n");
hfp_hf_rrh_query_status(device_addr);
break;
case ']':
log_info("USER:\'%c\'", cmd);
printf("Place call in a response and held state (RHH 0)\n");
hfp_hf_rrh_hold_call(device_addr);
break;
case '{':
log_info("USER:\'%c\'", cmd);
printf("Accept held call (RHH 1)\n");
hfp_hf_rrh_accept_held_call(device_addr);
break;
case '}':
log_info("USER:\'%c\'", cmd);
printf("Reject held call (RHH 2)\n");
hfp_hf_rrh_reject_held_call(device_addr);
break;
case '?':
log_info("USER:\'%c\'", cmd);
printf("Query Subscriber Number\n");
hfp_hf_query_subscriber_number(device_addr);
break;
case '!':
log_info("USER:\'%c\'", cmd);
printf("Update HF indicator with assigned number 1 (HFI)\n");
hfp_hf_set_hf_indicator(device_addr, 1, 1);
break;
default:
show_usage();
break;
}
}
#endif
static void packet_handler(uint8_t * event, uint16_t event_size){
if (event[0] == RFCOMM_EVENT_CHANNEL_OPENED){
handle = little_endian_read_16(event, 9);
printf("RFCOMM_EVENT_CHANNEL_OPENED received for handle 0x%04x\n", handle);
return;
}
if (event[0] != HCI_EVENT_HFP_META) return;
switch (event[2]) {
case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED:
printf("Service level connection established.\n\n");
break;
case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED:
printf("Service level connection released.\n\n");
break;
case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED:
printf("\n** Audio connection established **\n");
break;
case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED:
printf("\n** Audio connection released **\n");
break;
case HFP_SUBEVENT_COMPLETE:
switch (cmd){
case 'd':
printf("HFP AG registration status update enabled.\n");
break;
case 'e':
printf("HFP AG registration status update for individual indicators set.\n");
default:
break;
}
break;
case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED:
printf("AG_INDICATOR_STATUS_CHANGED, AG indicator '%s' (index: %d) to: %d\n", (const char*) &event[5], event[3], event[4]);
break;
case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED:
printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", event[3], event[4], (char *) &event[5]);
break;
case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR:
if (event[4])
printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : %d\n", event[3]);
break;
case HFP_SUBEVENT_RING:
printf("** Ring **\n");
break;
case HFP_SUBEVENT_NUMBER_FOR_VOICE_TAG:
printf("Phone number for voice tag: %s\n", (const char *) &event[3]);
break;
case HFP_SUBEVENT_SPEAKER_VOLUME:
printf("Speaker volume: %u\n", event[3]);
break;
case HFP_SUBEVENT_MICROPHONE_VOLUME:
printf("Microphone volume: %u\n", event[3]);
break;
default:
printf("event not handled %u\n", event[2]);
break;
}
}
/* @section Main Application Setup
*
* @text Listing MainConfiguration shows main application code.
* To run a HFP HF service you need to initialize the SDP, and to create and register HFP HF record with it.
* The packet_handler is used for sending commands to the HFP AG. It also receives the HFP AG's answers.
* The stdin_process callback allows for sending commands to the HFP AG.
* At the end the Bluetooth stack is started.
*/
/* LISTING_START(MainConfiguration): Setup HFP Hands-Free unit */
int btstack_main(int argc, const char * argv[]);
int btstack_main(int argc, const char * argv[]){
// HFP AG address is hardcoded, please change it
// init L2CAP
l2cap_init();
rfcomm_init();
sdp_init();
hfp_hf_init(rfcomm_channel_nr);
hfp_hf_init_supported_features(438 | (1<<HFP_HFSF_ESCO_S4) | (1<<HFP_HFSF_EC_NR_FUNCTION));
hfp_hf_init_hf_indicators(sizeof(indicators)/sizeof(uint16_t), indicators);
hfp_hf_init_codecs(sizeof(codecs), codecs);
hfp_hf_register_packet_handler(packet_handler);
memset(hfp_service_buffer, 0, sizeof(hfp_service_buffer));
hfp_hf_create_sdp_record(hfp_service_buffer, 0x10001, rfcomm_channel_nr, hfp_hf_service_name, 0);
printf("SDP service record size: %u\n", de_get_len(hfp_service_buffer));
sdp_register_service(hfp_service_buffer);
#ifdef HAVE_POSIX_STDIN
btstack_stdin_setup(stdin_process);
#endif
// turn on!
hci_power_control(HCI_POWER_ON);
return 0;
}
/* LISTING_END */
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