static void hsp_run(void){
int err;
if (hs_ring_received){
hs_ring_received = 0;
hs_send_button_press = 1;
}
if (hs_ok_received){
hs_ok_received = 0;
}
if (hs_send_button_press){
int err = 0;
if (hsp_state == HSP_W4_USER_ACTION){
err = send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
} else {
err = send_str_over_rfcomm(rfcomm_cid, HSP_HS_BUTTON_PRESS);
}
if (!err) hs_send_button_press = 0;
return;
}
switch (hsp_state){
case HSP_SDP_QUERY_RFCOMM_CHANNEL:
hsp_state = HSP_W4_SDP_QUERY_COMPLETE;
sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_Headset_AG);
break;
case HSP_W2_CONNECT_SCO:
hsp_state = HSP_W4_SCO_CONNECTED;
break;
case HSP_W2_DISCONNECT_SCO:
hsp_state = HSP_W4_SCO_DISCONNECTED;
break;
case HSP_ACTIVE:
if (hs_ok_received) break;
if (hs_microphone_gain >= 0){
char buffer[20];
sprintf(buffer, "%s=%d\r\n", HSP_HS_MICROPHONE_GAIN, hs_microphone_gain);
err = send_str_over_rfcomm(rfcomm_cid, buffer);
if (!err) hs_microphone_gain = -1;
break;
}
if (hs_speaker_gain >= 0){
char buffer[20];
sprintf(buffer, "%s=%d\r\n", HSP_HS_SPEAKER_GAIN, hs_speaker_gain);
err = send_str_over_rfcomm(rfcomm_cid, buffer);
if (!err) hs_speaker_gain = -1;
break;
}
break;
default:
break;
}
}
void hfp_establish_service_level_connection(bd_addr_t bd_addr, uint16_t service_uuid){
hfp_connection_t * context = provide_hfp_connection_context_for_bd_addr(bd_addr);
log_info("hfp_connect %s, context %p", bd_addr_to_str(bd_addr), context);
if (!context) {
log_error("hfp_establish_service_level_connection for addr %s failed", bd_addr_to_str(bd_addr));
return;
}
switch (context->state){
case HFP_W2_DISCONNECT_RFCOMM:
context->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
return;
case HFP_W4_RFCOMM_DISCONNECTED:
context->state = HFP_W4_RFCOMM_DISCONNECTED_AND_RESTART;
return;
case HFP_IDLE:
memcpy(context->remote_addr, bd_addr, 6);
context->state = HFP_W4_SDP_QUERY_COMPLETE;
connection_doing_sdp_query = context;
context->service_uuid = service_uuid;
sdp_query_rfcomm_channel_and_name_for_uuid(context->remote_addr, service_uuid);
break;
default:
break;
}
}
static void packet_handler(void* connection, uint8_t packet_type, uint16_t channel, uint8_t* packet, uint16_t size) {
bd_addr_t event_addr;
uint16_t mtu;
int ret;
switch (packet_type) {
case RFCOMM_DATA_PACKET:
printf("Received RFCOMM data on channel id %u, size %u\n", channel,
size);
hexdump(packet, size);
rfcomm_send_internal(local_spp_channel, packet, size); // Simple ECHO
break;
case HCI_EVENT_PACKET:
switch (packet[0]) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
// Inquiry SDP at first
sdp_query_rfcomm_channel_and_name_for_uuid(remote_addr, 0x1101/*0x1002*/); // 0x1101 is the UUID for SPP
}
break;
case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
// 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]);
} else {
local_spp_channel = 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",
local_spp_channel, mtu);
}
break;
case HCI_EVENT_DISCONNECTION_COMPLETE:
printf("[bluetooth] Connection closed\n");
break;
default:
break;
}
break;
default:
break;
}
}
static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
if (packet_type != HCI_EVENT_PACKET) return;
uint8_t event = packet[0];
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
// sdp_query_rfcomm_channel_and_name_for_uuid(remote, 0x1101/*0x1002*/); // 0x1101 is the UUID for SPP
sdp_query_rfcomm_channel_and_name_for_uuid(remote, 0x1002); // 0x1101 is the UUID for SPP
}
break;
default:
break;
}
}
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 != HCI_EVENT_PACKET) return;
uint8_t event = packet[0];
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
sdp_query_rfcomm_channel_and_name_for_uuid(remote, 0x1002);
}
break;
default:
break;
}
}
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 != HCI_EVENT_PACKET) return;
uint8_t event = packet[0];
switch (event) {
case BTSTACK_EVENT_STATE:
// bt stack activated, get started
if (packet[2] == HCI_STATE_WORKING){
sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_PublicBrowseGroup);
}
break;
case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
// 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]);
} else {
// data: event(8), len(8), status (8), address (48), handle (16), server channel(8), rfcomm_cid(16), max frame size(16)
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);
if ((test_data_len > mtu)) {
test_data_len = mtu;
}
if (rfcomm_can_send_packet_now(rfcomm_cid)) send_packet();
break;
}
break;
case DAEMON_EVENT_HCI_PACKET_SENT:
case RFCOMM_EVENT_CREDITS:
if (rfcomm_can_send_packet_now(rfcomm_cid)) send_packet();
break;
default:
break;
}
}
static void hsp_run(void){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) return;
if (wait_ok) return;
if (hsp_release_audio_connection){
hsp_release_audio_connection = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
if (hsp_disconnect_rfcomm){
hsp_disconnect_rfcomm = 0;
hsp_establish_audio_connection = 0;
rfcomm_disconnect_internal(rfcomm_cid);
return;
}
if (hsp_establish_audio_connection){
hsp_establish_audio_connection = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
if (hs_send_button_press){
hs_send_button_press = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
switch (hsp_state){
case HSP_SDP_QUERY_RFCOMM_CHANNEL:
hsp_state = HSP_W4_SDP_QUERY_COMPLETE;
sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_Headset_AG);
break;
case HSP_AUDIO_CONNECTION_ESTABLISHED:
case HSP_RFCOMM_CONNECTION_ESTABLISHED:
if (hs_microphone_gain >= 0){
char buffer[20];
sprintf(buffer, "%s=%d\r\n", HSP_HS_MICROPHONE_GAIN, hs_microphone_gain);
hsp_hs_send_str_over_rfcomm(rfcomm_cid, buffer);
hs_microphone_gain = -1;
break;
}
if (hs_speaker_gain >= 0){
char buffer[20];
sprintf(buffer, "%s=%d\r\n", HSP_HS_SPEAKER_GAIN, hs_speaker_gain);
hsp_hs_send_str_over_rfcomm(rfcomm_cid, buffer);
hs_speaker_gain = -1;
break;
}
break;
case HSP_W4_RFCOMM_DISCONNECTED:
rfcomm_disconnect_internal(rfcomm_cid);
break;
default:
break;
}
}
static void hsp_run(void){
int err;
if (ag_send_ok){
ag_send_ok = 0;
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_OK);
if (err){
ag_send_ok = 1;
}
return;
}
if (ag_send_error){
ag_send_error = 0;
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_ERROR);
if (err) {
ag_send_error = 1;
}
return;
}
switch (hsp_state){
case HSP_SDP_QUERY_RFCOMM_CHANNEL:
hsp_state = HSP_W4_SDP_QUERY_COMPLETE;
log_info("Start SDP query %s, 0x%02x", bd_addr_to_str(remote), SDP_HSP);
sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_HSP);
break;
case HSP_W4_RING_ANSWER:
if (ag_ring){
ag_ring = 0;
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_RING);
if (err) {
ag_ring = 1;
}
break;
}
if (!ag_num_button_press_received) break;
ag_send_ok = 0;
ag_num_button_press_received = 0;
hsp_state = HSP_W2_CONNECT_SCO;
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_OK);
if (err) {
hsp_state = HSP_W4_RING_ANSWER;
ag_num_button_press_received = 1;
}
break;
case HSP_W2_CONNECT_SCO:
if (!hci_can_send_command_packet_now()) break;
hsp_state = HSP_W4_SCO_CONNECTED;
hci_send_cmd(&hci_setup_synchronous_connection, rfcomm_handle, 8000, 8000, 0xFFFF, hci_get_sco_voice_setting(), 0xFF, 0x003F);
break;
case HSP_W2_DISCONNECT_SCO:
ag_num_button_press_received = 0;
hsp_state = HSP_W4_SCO_DISCONNECTED;
gap_disconnect(sco_handle);
break;
case HSP_W2_DISCONNECT_RFCOMM:
hsp_state = HSP_W4_RFCOMM_DISCONNECTED;
rfcomm_disconnect_internal(rfcomm_cid);
break;
case HSP_ACTIVE:
if (ag_microphone_gain >= 0){
int gain = ag_microphone_gain;
ag_microphone_gain = -1;
char buffer[10];
sprintf(buffer, "%s=%d\r\n", HSP_MICROPHONE_GAIN, gain);
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, buffer);
if (err) {
ag_microphone_gain = gain;
}
break;
}
if (ag_speaker_gain >= 0){
int gain = ag_speaker_gain;
ag_speaker_gain = -1;
char buffer[10];
sprintf(buffer, "%s=%d\r\n", HSP_SPEAKER_GAIN, gain);
err = hsp_ag_send_str_over_rfcomm(rfcomm_cid, buffer);
if (err) {
ag_speaker_gain = gain;
}
break;
}
break;
default:
break;
}
}
int stdin_process(struct data_source *ds){
char buffer;
read(ds->fd, &buffer, 1);
// passkey input
if (ui_digits_for_passkey){
if (buffer < '0' || buffer > '9') return 0;
printf("%c", buffer);
fflush(stdout);
ui_passkey = ui_passkey * 10 + buffer - '0';
ui_digits_for_passkey--;
if (ui_digits_for_passkey == 0){
printf("\nSending Passkey '%06u'\n", ui_passkey);
hci_send_cmd(&hci_user_passkey_request_reply, remote, ui_passkey);
}
return 0;
}
if (ui_chars_for_pin){
printf("%c", buffer);
fflush(stdout);
if (buffer == '\n'){
printf("\nSending Pin '%s'\n", ui_pin);
hci_send_cmd(&hci_pin_code_request_reply, remote, ui_pin_offset, ui_pin);
} else {
ui_pin[ui_pin_offset++] = buffer;
}
return 0;
}
switch (buffer){
case 'c':
gap_connectable = 0;
hci_connectable_control(0);
show_usage();
break;
case 'C':
gap_connectable = 1;
hci_connectable_control(1);
show_usage();
break;
case 'd':
gap_discoverable = 0;
hci_discoverable_control(0);
show_usage();
break;
case 'D':
gap_discoverable = 1;
hci_discoverable_control(1);
show_usage();
break;
case 'b':
gap_bondable = 0;
// gap_set_bondable_mode(0);
update_auth_req();
show_usage();
break;
case 'B':
gap_bondable = 1;
// gap_set_bondable_mode(1);
update_auth_req();
show_usage();
break;
case 'm':
gap_mitm_protection = 0;
update_auth_req();
show_usage();
break;
case 'M':
gap_mitm_protection = 1;
update_auth_req();
show_usage();
break;
case '<':
gap_dedicated_bonding_mode = 0;
update_auth_req();
show_usage();
break;
case '>':
gap_dedicated_bonding_mode = 1;
update_auth_req();
show_usage();
break;
case 'e':
gap_io_capabilities = "IO_CAPABILITY_DISPLAY_ONLY";
hci_ssp_set_io_capability(IO_CAPABILITY_DISPLAY_ONLY);
show_usage();
break;
case 'f':
gap_io_capabilities = "IO_CAPABILITY_DISPLAY_YES_NO";
hci_ssp_set_io_capability(IO_CAPABILITY_DISPLAY_YES_NO);
show_usage();
break;
case 'g':
gap_io_capabilities = "IO_CAPABILITY_NO_INPUT_NO_OUTPUT";
hci_ssp_set_io_capability(IO_CAPABILITY_NO_INPUT_NO_OUTPUT);
show_usage();
break;
case 'h':
gap_io_capabilities = "IO_CAPABILITY_KEYBOARD_ONLY";
hci_ssp_set_io_capability(IO_CAPABILITY_KEYBOARD_ONLY);
show_usage();
break;
case 'i':
start_scan();
break;
case 'j':
printf("Start dedicated bonding to %s using MITM %u\n", bd_addr_to_str(remote), gap_mitm_protection);
gap_dedicated_bonding(remote, gap_mitm_protection);
break;
case 'z':
printf("Start dedicated bonding to %s using legacy pairing\n", bd_addr_to_str(remote));
gap_dedicated_bonding(remote, gap_mitm_protection);
break;
case 'y':
printf("Disabling SSP for this session\n");
hci_send_cmd(&hci_write_simple_pairing_mode, 0);
break;
case 'k':
printf("Start SDP query for SPP service\n");
sdp_query_rfcomm_channel_and_name_for_uuid(remote_rfcomm, 0x1101);
break;
case 't':
printf("Terminate connection with handle 0x%04x\n", handle);
hci_send_cmd(&hci_disconnect, handle, 0x13); // remote closed connection
break;
case 'p':
printf("Creating HCI Connection to %s\n", bd_addr_to_str(remote));
hci_send_cmd(&hci_create_connection, remote, hci_usable_acl_packet_types(), 0, 0, 0, 1);
break;
// printf("Creating L2CAP Connection to %s, PSM SDP\n", bd_addr_to_str(remote));
// l2cap_create_channel_internal(NULL, packet_handler, remote, PSM_SDP, 100);
// break;
// case 'u':
// printf("Creating L2CAP Connection to %s, PSM 3\n", bd_addr_to_str(remote));
// l2cap_create_channel_internal(NULL, packet_handler, remote, 3, 100);
// break;
case 'q':
printf("Send L2CAP Data\n");
l2cap_send_internal(local_cid, (uint8_t *) "0123456789", 10);
break;
case 'r':
printf("Send L2CAP ECHO Request\n");
l2cap_send_echo_request(handle, (uint8_t *) "Hello World!", 13);
break;
case 's':
printf("L2CAP Channel Closed\n");
l2cap_disconnect_internal(local_cid, 0);
break;
case 'x':
printf("Outgoing L2CAP Channels to SDP will also require SSP\n");
l2cap_require_security_level_2_for_outgoing_sdp();
break;
case 'l':
printf("Creating RFCOMM Channel to %s #%u\n", bd_addr_to_str(remote_rfcomm), rfcomm_channel_nr);
rfcomm_create_channel_internal(NULL, remote_rfcomm, rfcomm_channel_nr);
break;
case 'n':
printf("Send RFCOMM Data\n"); // mtu < 60
rfcomm_send_internal(rfcomm_channel_id, (uint8_t *) "012345678901234567890123456789012345678901234567890123456789", mtu);
break;
case 'u':
printf("Sending RLS indicating framing error\n"); // mtu < 60
rfcomm_send_local_line_status(rfcomm_channel_id, 9);
break;
case 'v':
printf("Sending RPN CMD to select 115200 baud\n"); // mtu < 60
rfcomm_send_port_configuration(rfcomm_channel_id, RPN_BAUD_115200, RPN_DATA_BITS_8, RPN_STOP_BITS_1_0, RPN_PARITY_NONE, 0);
break;
case 'w':
printf("Sending RPN REQ to query remote port settings\n"); // mtu < 60
rfcomm_query_port_configuration(rfcomm_channel_id);
break;
case 'o':
printf("RFCOMM Channel Closed\n");
rfcomm_disconnect_internal(rfcomm_channel_id);
rfcomm_channel_id = 0;
break;
case '+':
printf("Initiate SSP on current connection\n");
gap_request_security_level(handle, LEVEL_2);
break;
case '*':
printf("Sending SSP User Confirmation for %s\n", bd_addr_to_str(remote));
hci_send_cmd(&hci_user_confirmation_request_reply, remote);
break;
case '=':
printf("Deleting Link Key for %s\n", bd_addr_to_str(remote));
hci_drop_link_key_for_bd_addr(remote);
break;
case 'U':
printf("Sending UCD data on handle 0x%04x\n", handle);
send_ucd_packet();
break;
case 'Q':
printf("Closing HCI Connection to handle 0x%04x\n", handle);
gap_disconnect(handle);
break;
default:
show_usage();
break;
}
return 0;
}
