107     printf("\n--- Bluetooth HSP Headset Test Console %s ---\n", bd_addr_to_str(iut_address));  in show_usage()
108     printf("---\n");  in show_usage()
109     printf("c - Connect to %s\n", bd_addr_to_str(device_addr));  in show_usage()
110     printf("C - Disconnect\n");  in show_usage()
111     printf("a - establish audio connection\n");  in show_usage()
112     printf("A - release audio connection\n");  in show_usage()
113     printf("b - press user button\n");  in show_usage()
114     printf("z - set microphone gain 0\n");  in show_usage()
115     printf("m - set microphone gain 8\n");  in show_usage()
116     printf("M - set microphone gain 15\n");  in show_usage()
117     printf("o - set speaker gain 0\n");  in show_usage()
118     printf("s - set speaker gain 8\n");  in show_usage()
119     printf("S - set speaker gain 15\n");  in show_usage()
120     printf("\n");  in show_usage()
127             printf("Connect to %s\n", bd_addr_to_str(device_addr));  in stdin_process()
131             printf("Disconnect.\n");  in stdin_process()
135             printf("Establish audio connection\n");  in stdin_process()
139             printf("Release audio connection\n");  in stdin_process()
144             printf("Setting microphone gain 0\n");  in stdin_process()
148             printf("Setting microphone gain 8\n");  in stdin_process()
152             printf("Setting microphone gain 15\n");  in stdin_process()
156             printf("Setting speaker gain 0\n");  in stdin_process()
160             printf("Setting speaker gain 8\n");  in stdin_process()
164             printf("Setting speaker gain 15\n");  in stdin_process()
168             printf("Press user button\n");  in stdin_process()
202 …                         printf("RFCOMM connection establishment failed, status 0x%02x\n", status);  in packet_handler()
204                                 printf("RFCOMM connection established.\n");  in packet_handler()
208                             printf("RFCOMM disconnected.\n");  in packet_handler()
213 …                          printf("Audio connection establishment failed, status 0x%02x\n", status);  in packet_handler()
216 …                      printf("Audio connection established with SCO handle 0x%04x.\n", sco_handle);  in packet_handler()
221                             printf("Audio connection released.\n\n");  in packet_handler()
225 …printf("Received microphone gain change %d\n", hsp_subevent_microphone_gain_changed_get_gain(event…  in packet_handler()
228 …    printf("Received speaker gain change %d\n", hsp_subevent_speaker_gain_changed_get_gain(event));  in packet_handler()
231                             printf("HS: RING RING!\n");  in packet_handler()
240 …printf("Received custom indication: \"%s\". \nExit code or call hsp_hs_send_result.\n", hs_cmd_buf…  in packet_handler()
244 …                 printf("event not handled 0x%02x\n", hci_event_hsp_meta_get_subevent_code(event));  in packet_handler()