// AG +VGS=5 [0..15] ; HS AT+VGM=6 | AG OK void hsp_hs_set_speaker_gain(uint8_t gain){ if (gain < 0 || gain >15) { log_info("Gain must be in interval [0..15], it is given %d", gain); return; } hs_speaker_gain = gain; hsp_run(); }
void hsp_hs_set_microphone_gain(uint8_t gain){ if (gain < 0 || gain >15) { printf("Gain must be in interval [0..15], it is given %d\n", gain); return; } hs_microphone_gain = gain; hsp_run(); }
void hsp_ag_set_microphone_gain(uint8_t gain){ if (gain < 0 || gain >15) { log_error("Gain must be in interval [0..15], it is given %d", gain); return; } ag_microphone_gain = gain; hsp_run(); }
// AG +VGS=5 [0..15] ; HS AT+VGM=6 | AG OK void hsp_ag_set_speaker_gain(uint8_t gain){ if (gain < 0 || gain >15) { printf("Gain must be in interval [0..15], it is given %d\n", gain); return; } ag_speaker_gain = gain; hsp_run(); }
void hsp_hs_establish_audio_connection(void){ switch (hsp_state){ case HSP_RFCOMM_CONNECTION_ESTABLISHED: hsp_establish_audio_connection = 1; hsp_state = HSP_W4_SCO_CONNECTED; break; case HSP_W4_RFCOMM_CONNECTED: hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN; break; default: break; } hsp_run(); }
void hsp_hs_disconnect(bd_addr_t bd_addr){ switch (hsp_state){ case HSP_ACTIVE: printf("HSP_W4_USER_ACTION\n"); hsp_state = HSP_W4_USER_ACTION; hs_send_button_press = 1; break; case HSP_W4_RFCOMM_CONNECTED: printf("HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN \n"); hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN; break; default: return; } hsp_run(); }
void hsp_ag_disconnect(void){ switch (hsp_state){ case HSP_ACTIVE: hsp_state = HSP_W2_DISCONNECT_SCO; break; case HSP_W2_CONNECT_SCO: hsp_state = HSP_W2_DISCONNECT_RFCOMM; break; case HSP_W4_RFCOMM_CONNECTED: case HSP_W4_SCO_CONNECTED: hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN; break; default: return; } hsp_run(); }
void hsp_hs_disconnect(void){ hsp_hs_release_audio_connection(); if (hsp_state < HSP_W4_RFCOMM_CONNECTED){ hsp_state = HSP_IDLE; return; } if (hsp_state == HSP_W4_RFCOMM_CONNECTED){ hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN; return; } if (hsp_state < HSP_W4_SCO_CONNECTED){ hsp_state = HSP_W2_DISCONNECT_RFCOMM; return; } hsp_disconnect_rfcomm = 1; hsp_run(); }
void hsp_hs_send_button_press(void){ if (hsp_state < HSP_RFCOMM_CONNECTION_ESTABLISHED || hsp_state >= HSP_W4_RFCOMM_DISCONNECTED) return; hs_send_button_press = 1; hsp_run(); }
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ //printf("packet_handler type %u, packet[0] %x\n", packet_type, packet[0]); if (packet_type == RFCOMM_DATA_PACKET){ // skip over leading newline while (size > 0 && (packet[0] == '\n' || packet[0] == '\r')){ size--; packet++; } if (strncmp((char *)packet, HSP_AG_RING, strlen(HSP_AG_RING)) == 0){ emit_ring_event(); } else if (strncmp((char *)packet, HSP_AG_OK, strlen(HSP_AG_OK)) == 0){ wait_ok = 0; } else if (strncmp((char *)packet, HSP_MICROPHONE_GAIN, strlen(HSP_MICROPHONE_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_MICROPHONE_GAIN)]); emit_event(HSP_SUBEVENT_MICROPHONE_GAIN_CHANGED, gain); } else if (strncmp((char *)packet, HSP_SPEAKER_GAIN, strlen(HSP_SPEAKER_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_SPEAKER_GAIN)]); emit_event(HSP_SUBEVENT_SPEAKER_GAIN_CHANGED, gain); } else { if (!hsp_hs_callback) return; // strip trailing newline while (size > 0 && (packet[size-1] == '\n' || packet[size-1] == '\r')){ size--; } // add trailing \0 packet[size] = 0; // re-use incoming buffer to avoid reserving large buffers - ugly but efficient uint8_t * event = packet - 4; event[0] = HCI_EVENT_HSP_META; event[1] = size + 2; event[2] = HSP_SUBEVENT_AG_INDICATION; event[3] = size; (*hsp_hs_callback)(event, size+4); } hsp_run(); return; } if (packet_type != HCI_EVENT_PACKET) return; uint8_t event = packet[0]; bd_addr_t event_addr; uint16_t handle; switch (event) { case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{ if (hsp_state < HSP_RFCOMM_CONNECTION_ESTABLISHED) return; int index = 2; uint8_t status = packet[index++]; sco_handle = READ_BT_16(packet, index); index+=2; bd_addr_t address; memcpy(address, &packet[index], 6); index+=6; uint8_t link_type = packet[index++]; uint8_t transmission_interval = packet[index++]; // measured in slots uint8_t retransmission_interval = packet[index++];// measured in slots uint16_t rx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint16_t tx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint8_t air_mode = packet[index]; if (status != 0){ log_error("(e)SCO Connection failed, status %u", status); emit_event_audio_connected(status, sco_handle); hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED ; break; } switch (link_type){ case 0x00: log_info("SCO Connection established."); if (transmission_interval != 0) log_error("SCO Connection: transmission_interval not zero: %d.", transmission_interval); if (retransmission_interval != 0) log_error("SCO Connection: retransmission_interval not zero: %d.", retransmission_interval); if (rx_packet_length != 0) log_error("SCO Connection: rx_packet_length not zero: %d.", rx_packet_length); if (tx_packet_length != 0) log_error("SCO Connection: tx_packet_length not zero: %d.", tx_packet_length); break; case 0x02: log_info("eSCO Connection established."); break; default: log_error("(e)SCO reserved link_type 0x%2x", link_type); break; } log_info("sco_handle 0x%2x, address %s, transmission_interval %u slots, retransmission_interval %u slots, " " rx_packet_length %u bytes, tx_packet_length %u bytes, air_mode 0x%2x (0x02 == CVSD)", sco_handle, bd_addr_to_str(address), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length, air_mode); // forward event to app hsp_hs_callback(packet, size); hsp_state = HSP_AUDIO_CONNECTION_ESTABLISHED; emit_event_audio_connected(status, sco_handle); break; } case RFCOMM_EVENT_INCOMING_CONNECTION: // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) if (hsp_state != HSP_IDLE) return; bt_flip_addr(event_addr, &packet[2]); rfcomm_cid = READ_BT_16(packet, 9); log_info("RFCOMM channel %u requested for %s", packet[8], bd_addr_to_str(event_addr)); hsp_state = HSP_W4_RFCOMM_CONNECTED; rfcomm_accept_connection_internal(rfcomm_cid); break; case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: // printf("RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE packet_handler type %u, packet[0] %x\n", packet_type, packet[0]); // data: event(8), len(8), status (8), address (48), handle(16), server channel(8), rfcomm_cid(16), max frame size(16) if (hsp_state != HSP_W4_RFCOMM_CONNECTED) return; if (packet[2]) { log_info("RFCOMM channel open failed, status %u", packet[2]); hsp_state = HSP_IDLE; hsp_hs_reset_state(); } else { // data: event(8) , len(8), status (8), address (48), handle (16), server channel(8), rfcomm_cid(16), max frame size(16) rfcomm_handle = READ_BT_16(packet, 9); rfcomm_cid = READ_BT_16(packet, 12); mtu = READ_BT_16(packet, 14); log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, handle %02x", rfcomm_cid, mtu, rfcomm_handle); hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED; } emit_event(HSP_SUBEVENT_RFCOMM_CONNECTION_COMPLETE, packet[2]); break; case BTSTACK_EVENT_STATE: case DAEMON_EVENT_HCI_PACKET_SENT: case HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS: case RFCOMM_EVENT_CREDITS: hsp_hs_callback(packet, size); break; case HCI_EVENT_DISCONNECTION_COMPLETE: handle = READ_BT_16(packet,3); if (handle == sco_handle){ sco_handle = 0; hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED; emit_event(HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE,0); break; } if (handle == rfcomm_handle) { rfcomm_handle = 0; hsp_state = HSP_IDLE; emit_event(HSP_SUBEVENT_RFCOMM_DISCONNECTION_COMPLETE,0); hsp_hs_reset_state(); } break; case RFCOMM_EVENT_CHANNEL_CLOSED: hsp_hs_reset_state(); hsp_hs_callback(packet, size); break; default: break; } hsp_run(); }
void hsp_hs_release_audio_connection(void){ if (hsp_state >= HSP_W2_DISCONNECT_SCO) return; if (hsp_state < HSP_AUDIO_CONNECTION_ESTABLISHED) return; hsp_release_audio_connection = 1; hsp_run(); }
void hsp_hs_connect(bd_addr_t bd_addr){ if (hsp_state != HSP_IDLE) return; hsp_state = HSP_SDP_QUERY_RFCOMM_CHANNEL; memcpy(remote, bd_addr, 6); hsp_run(); }
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ // printf("packet_handler type %u, packet[0] %x\n", packet_type, packet[0]); if (packet_type == RFCOMM_DATA_PACKET){ while (size > 0 && (packet[0] == '\n' || packet[0] == '\r')){ size--; packet++; } if (strncmp((char *)packet, HSP_AG_RING, strlen(HSP_AG_RING)) == 0){ hs_ring_received = 1; } if (strncmp((char *)packet, HSP_AG_OK, strlen(HSP_AG_OK)) == 0){ hs_ok_received = 1; switch (hsp_state){ case HSP_W4_RFCOMM_CONNECTED: hsp_state = HSP_W2_CONNECT_SCO; break; case HSP_W4_USER_ACTION: hsp_state = HSP_W2_DISCONNECT_SCO; break; default: break; } } else if (strncmp((char *)packet, HSP_MICROPHONE_GAIN, strlen(HSP_MICROPHONE_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_MICROPHONE_GAIN)]); emit_event(HSP_SUBEVENT_MICROPHONE_GAIN_CHANGED, gain); } else if (strncmp((char *)packet, HSP_SPEAKER_GAIN, strlen(HSP_SPEAKER_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_SPEAKER_GAIN)]); emit_event(HSP_SUBEVENT_SPEAKER_GAIN_CHANGED, gain); } else { if (!hsp_hs_callback) return; // re-use incoming buffer to avoid reserving large buffers - ugly but efficient uint8_t * event = packet - 3; event[0] = HCI_EVENT_HSP_META; event[1] = size + 1; event[2] = HSP_SUBEVENT_AG_INDICATION; (*hsp_hs_callback)(event, size+3); } hsp_run(); return; } if (packet_type != HCI_EVENT_PACKET) return; uint8_t event = packet[0]; bd_addr_t event_addr; uint16_t handle; switch (event) { case BTSTACK_EVENT_STATE: // bt stack activated, get started if (packet[2] == HCI_STATE_WORKING){ printf("BTstack activated, get started .\n"); } break; case HCI_EVENT_PIN_CODE_REQUEST: // inform about pin code request printf("Pin code request - using '0000'\n\r"); bt_flip_addr(event_addr, &packet[2]); hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); break; case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{ int index = 2; uint8_t status = packet[index++]; sco_handle = READ_BT_16(packet, index); index+=2; bd_addr_t address; memcpy(address, &packet[index], 6); index+=6; uint8_t link_type = packet[index++]; uint8_t transmission_interval = packet[index++]; // measured in slots uint8_t retransmission_interval = packet[index++];// measured in slots uint16_t rx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint16_t tx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint8_t air_mode = packet[index]; if (status != 0){ log_error("(e)SCO Connection is not established, status %u", status); exit(0); break; } switch (link_type){ case 0x00: printf("SCO Connection established. \n"); if (transmission_interval != 0) log_error("SCO Connection: transmission_interval not zero: %d.", transmission_interval); if (retransmission_interval != 0) log_error("SCO Connection: retransmission_interval not zero: %d.", retransmission_interval); if (rx_packet_length != 0) log_error("SCO Connection: rx_packet_length not zero: %d.", rx_packet_length); if (tx_packet_length != 0) log_error("SCO Connection: tx_packet_length not zero: %d.", tx_packet_length); break; case 0x02: printf("eSCO Connection established. \n"); break; default: log_error("(e)SCO reserved link_type 0x%2x", link_type); break; } log_info("sco_handle 0x%2x, address %s, transmission_interval %u slots, retransmission_interval %u slots, " " rx_packet_length %u bytes, tx_packet_length %u bytes, air_mode 0x%2x (0x02 == CVSD)", sco_handle, bd_addr_to_str(address), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length, air_mode); if (hsp_state == HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN){ hsp_state = HSP_W2_DISCONNECT_SCO; break; } hsp_state = HSP_ACTIVE; emit_event(HSP_SUBEVENT_AUDIO_CONNECTION_COMPLETE, 0); break; } case RFCOMM_EVENT_INCOMING_CONNECTION: // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) if (hsp_state != HSP_IDLE) return; bt_flip_addr(event_addr, &packet[2]); rfcomm_cid = READ_BT_16(packet, 9); printf("RFCOMM channel %u requested for %s\n", packet[8], bd_addr_to_str(event_addr)); rfcomm_accept_connection_internal(rfcomm_cid); hsp_state = HSP_W4_RFCOMM_CONNECTED; hs_send_button_press = 1; break; case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: printf("RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE packet_handler type %u, packet[0] %x\n", packet_type, packet[0]); // data: event(8), len(8), status (8), address (48), handle(16), server channel(8), rfcomm_cid(16), max frame size(16) if (packet[2]) { printf("RFCOMM channel open failed, status %u\n", packet[2]); hsp_hs_reset_state(); emit_event(HSP_SUBEVENT_AUDIO_CONNECTION_COMPLETE, packet[2]); } else { // data: event(8) , len(8), status (8), address (48), handle (16), server channel(8), rfcomm_cid(16), max frame size(16) rfcomm_handle = READ_BT_16(packet, 9); rfcomm_cid = READ_BT_16(packet, 12); mtu = READ_BT_16(packet, 14); printf("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n", rfcomm_cid, mtu); switch (hsp_state){ case HSP_W4_RFCOMM_CONNECTED: hsp_state = HSP_W2_CONNECT_SCO; hs_send_button_press = 1; break; case HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN: hsp_state = HSP_W2_DISCONNECT_RFCOMM; break; default: break; } } break; case DAEMON_EVENT_HCI_PACKET_SENT: case RFCOMM_EVENT_CREDITS: break; case HCI_EVENT_DISCONNECTION_COMPLETE: printf("HCI_EVENT_DISCONNECTION_COMPLETE \n"); if (hsp_state != HSP_W4_SCO_DISCONNECTED){ printf("received gap disconnect in wrong hsp state"); } handle = READ_BT_16(packet,3); if (handle == sco_handle){ sco_handle = 0; hsp_state = HSP_W2_DISCONNECT_RFCOMM; printf(" HSP_W2_DISCONNECT_RFCOMM\n"); break; } break; case RFCOMM_EVENT_CHANNEL_CLOSED: printf(" RFCOMM_EVENT_CHANNEL_CLOSED\n"); if (hsp_state != HSP_W4_RFCOMM_DISCONNECTED){ printf("received RFCOMM disconnect in wrong hsp state"); } printf("RFCOMM channel closed\n"); hsp_hs_reset_state(); emit_event(HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE,0); break; default: break; } hsp_run(); }
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ // log_info("packet_handler type %u, packet[0] %x", packet_type, packet[0]); if (packet_type == RFCOMM_DATA_PACKET){ while (size > 0 && (packet[0] == '\n' || packet[0] == '\r')){ size--; packet++; } if (strncmp((char *)packet, HSP_HS_BUTTON_PRESS, strlen(HSP_HS_BUTTON_PRESS)) == 0){ log_info("Received button press %s", HSP_HS_BUTTON_PRESS); ag_num_button_press_received++; ag_send_ok = 1; if (hsp_state == HSP_ACTIVE && ag_num_button_press_received >=2){ ag_num_button_press_received = 0; hsp_state = HSP_W2_DISCONNECT_SCO; } } else if (strncmp((char *)packet, HSP_HS_MICROPHONE_GAIN, strlen(HSP_HS_MICROPHONE_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_HS_MICROPHONE_GAIN)]); ag_send_ok = 1; emit_event(HSP_SUBEVENT_MICROPHONE_GAIN_CHANGED, gain); } else if (strncmp((char *)packet, HSP_HS_SPEAKER_GAIN, strlen(HSP_HS_SPEAKER_GAIN)) == 0){ uint8_t gain = (uint8_t)atoi((char*)&packet[strlen(HSP_HS_SPEAKER_GAIN)]); ag_send_ok = 1; emit_event(HSP_SUBEVENT_SPEAKER_GAIN_CHANGED, gain); } else if (strncmp((char *)packet, "AT+", 3) == 0){ ag_send_error = 1; if (!hsp_ag_callback) return; // re-use incoming buffer to avoid reserving large buffers - ugly but efficient uint8_t * event = packet - 4; event[0] = HCI_EVENT_HSP_META; event[1] = size + 2; event[2] = HSP_SUBEVENT_HS_COMMAND; event[3] = size; (*hsp_ag_callback)(event, size+4); } hsp_run(); return; } if (packet_type != HCI_EVENT_PACKET) return; uint8_t event = packet[0]; bd_addr_t event_addr; uint16_t handle; switch (event) { case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{ int index = 2; uint8_t status = packet[index++]; sco_handle = READ_BT_16(packet, index); index+=2; bd_addr_t address; memcpy(address, &packet[index], 6); index+=6; uint8_t link_type = packet[index++]; uint8_t transmission_interval = packet[index++]; // measured in slots uint8_t retransmission_interval = packet[index++];// measured in slots uint16_t rx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint16_t tx_packet_length = READ_BT_16(packet, index); // measured in bytes index+=2; uint8_t air_mode = packet[index]; if (status != 0){ log_error("(e)SCO Connection failed, status %u", status); emit_event_audio_connected(status, sco_handle); break; } switch (link_type){ case 0x00: log_info("SCO Connection established."); if (transmission_interval != 0) log_error("SCO Connection: transmission_interval not zero: %d.", transmission_interval); if (retransmission_interval != 0) log_error("SCO Connection: retransmission_interval not zero: %d.", retransmission_interval); if (rx_packet_length != 0) log_error("SCO Connection: rx_packet_length not zero: %d.", rx_packet_length); if (tx_packet_length != 0) log_error("SCO Connection: tx_packet_length not zero: %d.", tx_packet_length); break; case 0x02: log_info("eSCO Connection established."); break; default: log_error("(e)SCO reserved link_type 0x%2x", link_type); break; } log_info("sco_handle 0x%2x, address %s, transmission_interval %u slots, retransmission_interval %u slots, " " rx_packet_length %u bytes, tx_packet_length %u bytes, air_mode 0x%2x (0x02 == CVSD)", sco_handle, bd_addr_to_str(address), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length, air_mode); if (hsp_state == HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN){ hsp_state = HSP_W2_DISCONNECT_SCO; break; } hsp_state = HSP_ACTIVE; emit_event_audio_connected(status, sco_handle); break; } case RFCOMM_EVENT_INCOMING_CONNECTION: // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) if (hsp_state != HSP_IDLE) return; bt_flip_addr(event_addr, &packet[2]); rfcomm_cid = READ_BT_16(packet, 9); log_info("RFCOMM channel %u requested for %s", packet[8], bd_addr_to_str(event_addr)); rfcomm_accept_connection_internal(rfcomm_cid); hsp_state = HSP_W4_RFCOMM_CONNECTED; break; case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: log_info("RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE packet_handler type %u, packet[0] %x", packet_type, packet[0]); // data: event(8), len(8), status (8), address (48), handle(16), server channel(8), rfcomm_cid(16), max frame size(16) if (packet[2]) { log_info("RFCOMM channel open failed, status %u§", packet[2]); hsp_ag_reset_state(); emit_event(HSP_SUBEVENT_AUDIO_CONNECTION_COMPLETE, packet[2]); } else { // data: event(8) , len(8), status (8), address (48), handle (16), server channel(8), rfcomm_cid(16), max frame size(16) rfcomm_handle = READ_BT_16(packet, 9); rfcomm_cid = READ_BT_16(packet, 12); mtu = READ_BT_16(packet, 14); log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, state %d", rfcomm_cid, mtu, hsp_state); switch (hsp_state){ case HSP_W4_RFCOMM_CONNECTED: ag_num_button_press_received = 0; hsp_state = HSP_W2_CONNECT_SCO; break; case HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN: hsp_state = HSP_W2_DISCONNECT_RFCOMM; break; default: log_error("no valid state"); break; } } break; case DAEMON_EVENT_HCI_PACKET_SENT: case RFCOMM_EVENT_CREDITS: break; case HCI_EVENT_DISCONNECTION_COMPLETE: handle = READ_BT_16(packet,3); if (handle == sco_handle){ log_info("SCO disconnected, w2 disconnect RFCOMM"); sco_handle = 0; hsp_state = HSP_W2_DISCONNECT_RFCOMM; break; } break; case RFCOMM_EVENT_CHANNEL_CLOSED: log_info("RFCOMM channel closed"); hsp_ag_reset_state(); emit_event(HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE,0); break; default: break; } hsp_run(); }