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hsp: prefix globals, update deinit function

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This commit is contained in:
Matthias Ringwald 2021-07-21 11:43:30 +02:00
parent de81b46ac0
commit fb460ca00a
2 changed files with 284 additions and 278 deletions
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320
src/classic/hsp_ag.c
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@ -76,29 +76,7 @@
#define HSP_HS_MICROPHONE_GAIN "AT+VGM="
#define HSP_HS_SPEAKER_GAIN "AT+VGS="
static const char default_hsp_ag_service_name[] = "Audio Gateway";
static bd_addr_t remote;
static uint8_t channel_nr;
static uint16_t mtu;
static uint16_t rfcomm_cid;
static hci_con_handle_t sco_handle;
static hci_con_handle_t rfcomm_handle;
static btstack_timer_source_t hs_timeout;
static int ag_microphone_gain;
static int ag_speaker_gain;
static uint8_t ag_ring;
static uint8_t ag_send_ok;
static uint8_t ag_send_error;
static uint8_t ag_support_custom_commands;
static uint8_t hsp_disconnect_rfcomm;
static uint8_t hsp_release_audio_connection;
static uint16_t hsp_ag_sco_packet_types;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static const char hsp_ag_default_service_name[] = "Audio Gateway";
typedef enum {
HSP_IDLE,
@ -123,11 +101,34 @@ typedef enum {
HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN
} hsp_state_t;
static hsp_state_t hsp_state;
static btstack_context_callback_registration_t hsp_ag_handle_sdp_client_query_request;
// higher-layer callbacks
static btstack_packet_handler_t hsp_ag_callback;
static hsp_state_t hsp_ag_state;
static int hsp_ag_microphone_gain;
static int hsp_ag_speaker_gain;
static uint8_t hsp_ag_ring;
static uint8_t hsp_ag_send_ok;
static uint8_t hsp_ag_send_error;
static uint8_t hsp_ag_support_custom_commands;
static uint8_t hsp_ag_disconnect_rfcomm;
static uint8_t hsp_ag_release_audio_connection_triggered;
static uint16_t hsp_ag_sco_packet_types;
static bd_addr_t hsp_ag_remote;
static uint8_t hsp_ag_channel_nr;
static uint16_t hsp_ag_rfcomm_cid;
static uint16_t hsp_ag_mtu;
static hci_con_handle_t hsp_ag_sco_handle;
static hci_con_handle_t hsp_ag_rfcomm_handle;
static btstack_timer_source_t hsp_ag_timeout;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static btstack_context_callback_registration_t hsp_ag_handle_sdp_client_query_request;
static void hsp_run(void);
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void handle_query_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
@ -230,7 +231,7 @@ void hsp_ag_create_sdp_record(uint8_t * service, uint32_t service_record_handle,
if (name){
de_add_data(service, DE_STRING, strlen(name), (uint8_t *) name);
} else {
de_add_data(service, DE_STRING, strlen(default_hsp_ag_service_name), (uint8_t *) default_hsp_ag_service_name);
de_add_data(service, DE_STRING, strlen(hsp_ag_default_service_name), (uint8_t *) hsp_ag_default_service_name);
}
}
@ -244,33 +245,33 @@ static int hsp_ag_send_str_over_rfcomm(const uint16_t cid, const char * command)
}
void hsp_ag_enable_custom_commands(int enable){
ag_support_custom_commands = enable;
hsp_ag_support_custom_commands = enable;
}
int hsp_ag_send_result(char * result){
if (!ag_support_custom_commands) return 1;
return hsp_ag_send_str_over_rfcomm(rfcomm_cid, result);
if (!hsp_ag_support_custom_commands) return 1;
return hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, result);
}
static void hsp_ag_reset_state(void){
hsp_state = HSP_IDLE;
rfcomm_cid = 0;
rfcomm_handle = HCI_CON_HANDLE_INVALID;
channel_nr = 0;
sco_handle = HCI_CON_HANDLE_INVALID;
hsp_ag_state = HSP_IDLE;
ag_send_ok = 0;
ag_send_error = 0;
ag_ring = 0;
hsp_ag_rfcomm_cid = 0;
hsp_ag_rfcomm_handle = HCI_CON_HANDLE_INVALID;
hsp_ag_channel_nr = 0;
hsp_ag_sco_handle = HCI_CON_HANDLE_INVALID;
ag_support_custom_commands = 0;
hsp_ag_send_ok = 0;
hsp_ag_send_error = 0;
hsp_ag_ring = 0;
ag_microphone_gain = -1;
ag_speaker_gain = -1;
hsp_ag_support_custom_commands = 0;
hsp_disconnect_rfcomm = 0;
hsp_release_audio_connection = 0;
hsp_ag_microphone_gain = -1;
hsp_ag_speaker_gain = -1;
hsp_ag_disconnect_rfcomm = 0;
hsp_ag_release_audio_connection_triggered = 0;
}
void hsp_ag_init(uint8_t rfcomm_channel_nr){
@ -285,27 +286,28 @@ void hsp_ag_init(uint8_t rfcomm_channel_nr){
}
void hsp_ag_deinit(void){
(void)memset(remote, 0, 6);
(void)memset(&hs_timeout, 0, sizeof(btstack_timer_source_t));
hsp_ag_reset_state();
hsp_ag_callback = NULL;
(void)memset(hsp_ag_remote, 0, 6);
(void)memset(&hsp_ag_timeout, 0, sizeof(btstack_timer_source_t));
(void)memset(&hci_event_callback_registration, 0, sizeof(btstack_packet_callback_registration_t));
(void)memset(&hsp_ag_handle_sdp_client_query_request, 0, sizeof(btstack_context_callback_registration_t));
hsp_ag_callback = NULL;
}
static void hsp_ag_handle_start_sdp_client_query(void * context){
UNUSED(context);
if (hsp_state != HSP_W2_SEND_SDP_QUERY) return;
hsp_state = HSP_W4_SDP_QUERY_COMPLETE;
log_info("Start SDP query %s, 0x%02x", bd_addr_to_str(remote), BLUETOOTH_SERVICE_CLASS_HEADSET);
sdp_client_query_rfcomm_channel_and_name_for_service_class_uuid(&handle_query_rfcomm_event, remote, BLUETOOTH_SERVICE_CLASS_HEADSET);
if (hsp_ag_state != HSP_W2_SEND_SDP_QUERY) return;
hsp_ag_state = HSP_W4_SDP_QUERY_COMPLETE;
log_info("Start SDP query %s, 0x%02x", bd_addr_to_str(hsp_ag_remote), BLUETOOTH_SERVICE_CLASS_HEADSET);
sdp_client_query_rfcomm_channel_and_name_for_service_class_uuid(&handle_query_rfcomm_event, hsp_ag_remote, BLUETOOTH_SERVICE_CLASS_HEADSET);
}
void hsp_ag_connect(bd_addr_t bd_addr){
if (hsp_state != HSP_IDLE) return;
if (hsp_ag_state != HSP_IDLE) return;
(void)memcpy(remote, bd_addr, 6);
hsp_state = HSP_W2_SEND_SDP_QUERY;
(void)memcpy(hsp_ag_remote, bd_addr, 6);
hsp_ag_state = HSP_W2_SEND_SDP_QUERY;
hsp_ag_handle_sdp_client_query_request.callback = &hsp_ag_handle_start_sdp_client_query;
// ignore ERROR_CODE_COMMAND_DISALLOWED because in that case, we already have requested an SDP callback
(void) sdp_client_register_query_callback(&hsp_ag_handle_sdp_client_query_request);
@ -313,26 +315,26 @@ void hsp_ag_connect(bd_addr_t bd_addr){
void hsp_ag_disconnect(void){
hsp_ag_release_audio_connection();
if (hsp_state < HSP_W4_RFCOMM_CONNECTED){
hsp_state = HSP_IDLE;
if (hsp_ag_state < HSP_W4_RFCOMM_CONNECTED){
hsp_ag_state = HSP_IDLE;
return;
}
if (hsp_state == HSP_W4_RFCOMM_CONNECTED){
hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN;
if (hsp_ag_state == HSP_W4_RFCOMM_CONNECTED){
hsp_ag_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN;
return;
}
hsp_disconnect_rfcomm = 1;
hsp_ag_disconnect_rfcomm = 1;
hsp_run();
}
void hsp_ag_establish_audio_connection(void){
switch (hsp_state){
switch (hsp_ag_state){
case HSP_RFCOMM_CONNECTION_ESTABLISHED:
hsp_state = HSP_W2_CONNECT_SCO;
hsp_ag_state = HSP_W2_CONNECT_SCO;
break;
case HSP_W4_RFCOMM_CONNECTED:
hsp_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN;
hsp_ag_state = HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN;
break;
default:
break;
@ -341,10 +343,10 @@ void hsp_ag_establish_audio_connection(void){
}
void hsp_ag_release_audio_connection(void){
if (hsp_state >= HSP_W2_DISCONNECT_SCO) return;
if (hsp_state < HSP_AUDIO_CONNECTION_ESTABLISHED) return;
if (hsp_ag_state >= HSP_W2_DISCONNECT_SCO) return;
if (hsp_ag_state < HSP_AUDIO_CONNECTION_ESTABLISHED) return;
hsp_release_audio_connection = 1;
hsp_ag_release_audio_connection_triggered = 1;
hsp_run();
}
@ -354,7 +356,7 @@ void hsp_ag_set_microphone_gain(uint8_t gain){
log_error("Gain must be in interval [0..15], it is given %d", gain);
return;
}
ag_microphone_gain = gain;
hsp_ag_microphone_gain = gain;
hsp_run();
}
@ -364,40 +366,40 @@ void hsp_ag_set_speaker_gain(uint8_t gain){
log_error("Gain must be in interval [0..15], it is given %d", gain);
return;
}
ag_speaker_gain = gain;
hsp_ag_speaker_gain = gain;
hsp_run();
}
static void hsp_ringing_timeout_handler(btstack_timer_source_t * timer){
ag_ring = 1;
hsp_ag_ring = 1;
btstack_run_loop_set_timer(timer, 2000); // 2 seconds timeout
btstack_run_loop_add_timer(timer);
hsp_run();
}
static void hsp_ringing_timer_start(void){
btstack_run_loop_remove_timer(&hs_timeout);
btstack_run_loop_set_timer_handler(&hs_timeout, hsp_ringing_timeout_handler);
btstack_run_loop_set_timer(&hs_timeout, 2000); // 2 seconds timeout
btstack_run_loop_add_timer(&hs_timeout);
btstack_run_loop_remove_timer(&hsp_ag_timeout);
btstack_run_loop_set_timer_handler(&hsp_ag_timeout, hsp_ringing_timeout_handler);
btstack_run_loop_set_timer(&hsp_ag_timeout, 2000); // 2 seconds timeout
btstack_run_loop_add_timer(&hsp_ag_timeout);
}
static void hsp_ringing_timer_stop(void){
btstack_run_loop_remove_timer(&hs_timeout);
btstack_run_loop_remove_timer(&hsp_ag_timeout);
}
void hsp_ag_start_ringing(void){
ag_ring = 1;
if (hsp_state == HSP_W2_CONNECT_SCO) {
hsp_state = HSP_W4_RING_ANSWER;
hsp_ag_ring = 1;
if (hsp_ag_state == HSP_W2_CONNECT_SCO) {
hsp_ag_state = HSP_W4_RING_ANSWER;
}
hsp_ringing_timer_start();
}
void hsp_ag_stop_ringing(void){
ag_ring = 0;
if (hsp_state == HSP_W4_RING_ANSWER){
hsp_state = HSP_W2_CONNECT_SCO;
hsp_ag_ring = 0;
if (hsp_ag_state == HSP_W4_RING_ANSWER){
hsp_ag_state = HSP_W2_CONNECT_SCO;
}
hsp_ringing_timer_stop();
}
@ -405,109 +407,109 @@ void hsp_ag_stop_ringing(void){
static void hsp_run(void){
uint16_t packet_types;
if (ag_send_ok){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_ag_send_ok){
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
ag_send_ok = 0;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_OK);
hsp_ag_send_ok = 0;
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, HSP_AG_OK);
return;
}
if (ag_send_error){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_ag_send_error){
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
ag_send_error = 0;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_ERROR);
hsp_ag_send_error = 0;
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, HSP_AG_ERROR);
return;
}
if (ag_ring){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_ag_ring){
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
ag_ring = 0;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_RING);
hsp_ag_ring = 0;
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, HSP_AG_RING);
return;
}
if (hsp_release_audio_connection){
hsp_release_audio_connection = 0;
gap_disconnect(sco_handle);
if (hsp_ag_release_audio_connection_triggered){
hsp_ag_release_audio_connection_triggered = 0;
gap_disconnect(hsp_ag_sco_handle);
return;
}
if (hsp_disconnect_rfcomm){
hsp_disconnect_rfcomm = 0;
rfcomm_disconnect(rfcomm_cid);
if (hsp_ag_disconnect_rfcomm){
hsp_ag_disconnect_rfcomm = 0;
rfcomm_disconnect(hsp_ag_rfcomm_cid);
return;
}
switch (hsp_state){
switch (hsp_ag_state){
case HSP_W4_RING_ANSWER:
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
ag_send_ok = 0;
hsp_state = HSP_W2_CONNECT_SCO;
hsp_ag_send_ok = 0;
hsp_ag_state = HSP_W2_CONNECT_SCO;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, HSP_AG_OK);
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, HSP_AG_OK);
break;
case HSP_W2_CONNECT_SCO:
if (!hci_can_send_command_packet_now()) return;
hsp_state = HSP_W4_SCO_CONNECTED;
hsp_ag_state = HSP_W4_SCO_CONNECTED;
// bits 6-9 are 'don't use'
packet_types = hsp_ag_sco_packet_types ^ 0x3c0;
hci_send_cmd(&hci_setup_synchronous_connection, rfcomm_handle, 8000, 8000, 0xFFFF, hci_get_sco_voice_setting(), 0xFF, packet_types);
hci_send_cmd(&hci_setup_synchronous_connection, hsp_ag_rfcomm_handle, 8000, 8000, 0xFFFF, hci_get_sco_voice_setting(), 0xFF, packet_types);
break;
case HSP_W2_DISCONNECT_SCO:
hsp_state = HSP_W4_SCO_DISCONNECTED;
gap_disconnect(sco_handle);
hsp_ag_state = HSP_W4_SCO_DISCONNECTED;
gap_disconnect(hsp_ag_sco_handle);
break;
case HSP_W2_DISCONNECT_RFCOMM:
rfcomm_disconnect(rfcomm_cid);
rfcomm_disconnect(hsp_ag_rfcomm_cid);
break;
case HSP_AUDIO_CONNECTION_ESTABLISHED:
case HSP_RFCOMM_CONNECTION_ESTABLISHED:
if (ag_microphone_gain >= 0){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_ag_microphone_gain >= 0){
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
int gain = ag_microphone_gain;
ag_microphone_gain = -1;
int gain = hsp_ag_microphone_gain;
hsp_ag_microphone_gain = -1;
char buffer[12];
snprintf(buffer, sizeof(buffer), "\r\n%s=%d\r\n",
HSP_MICROPHONE_GAIN, gain);
buffer[sizeof(buffer) - 1] = 0;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, buffer);
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, buffer);
break;
}
if (ag_speaker_gain >= 0){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_ag_speaker_gain >= 0){
if (!rfcomm_can_send_packet_now(hsp_ag_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_ag_rfcomm_cid);
return;
}
int gain = ag_speaker_gain;
ag_speaker_gain = -1;
int gain = hsp_ag_speaker_gain;
hsp_ag_speaker_gain = -1;
char buffer[12];
snprintf(buffer, sizeof(buffer), "\r\n%s=%d\r\n",
HSP_SPEAKER_GAIN, gain);
buffer[sizeof(buffer) - 1] = 0;
hsp_ag_send_str_over_rfcomm(rfcomm_cid, buffer);
hsp_ag_send_str_over_rfcomm(hsp_ag_rfcomm_cid, buffer);
break;
}
break;
@ -528,20 +530,20 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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_send_ok = 1;
hsp_ag_send_ok = 1;
emit_event(HSP_SUBEVENT_BUTTON_PRESSED, 0);
} else if (strncmp((char *)packet, HSP_HS_MICROPHONE_GAIN, strlen(HSP_HS_MICROPHONE_GAIN)) == 0){
uint8_t gain = (uint8_t)btstack_atoi((char*)&packet[strlen(HSP_HS_MICROPHONE_GAIN)]);
ag_send_ok = 1;
hsp_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)btstack_atoi((char*)&packet[strlen(HSP_HS_SPEAKER_GAIN)]);
ag_send_ok = 1;
hsp_ag_send_ok = 1;
emit_event(HSP_SUBEVENT_SPEAKER_GAIN_CHANGED, gain);
} else if (strncmp((char *)packet, "AT+", 3) == 0){
ag_send_error = 1;
hsp_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;
@ -563,17 +565,17 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
switch (event) {
case HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE:{
if (hsp_state != HSP_W4_SCO_CONNECTED) break;
if (hsp_ag_state != HSP_W4_SCO_CONNECTED) break;
uint8_t status = hci_event_synchronous_connection_complete_get_status(packet);
if (status != 0){
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
hsp_ag_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
log_error("(e)SCO Connection failed, status %u", status);
emit_event_audio_connected(status, sco_handle);
emit_event_audio_connected(status, hsp_ag_sco_handle);
break;
}
hci_event_synchronous_connection_complete_get_bd_addr(packet, event_addr);
sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
hsp_ag_sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
uint8_t link_type = hci_event_synchronous_connection_complete_get_link_type(packet);
uint8_t transmission_interval = hci_event_synchronous_connection_complete_get_transmission_interval(packet); // measured in slots
uint8_t retransmission_interval = hci_event_synchronous_connection_complete_get_retransmission_interval(packet);// measured in slots
@ -596,28 +598,28 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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(event_addr), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length,
hci_event_synchronous_connection_complete_get_air_mode(packet));
" rx_packet_length %u bytes, tx_packet_length %u bytes, air_mode 0x%2x (0x02 == CVSD)", hsp_ag_sco_handle,
bd_addr_to_str(event_addr), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length,
hci_event_synchronous_connection_complete_get_air_mode(packet));
if (hsp_state == HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN){
hsp_state = HSP_W2_DISCONNECT_SCO;
if (hsp_ag_state == HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN){
hsp_ag_state = HSP_W2_DISCONNECT_SCO;
break;
}
hsp_state = HSP_AUDIO_CONNECTION_ESTABLISHED;
emit_event_audio_connected(status, sco_handle);
hsp_ag_state = HSP_AUDIO_CONNECTION_ESTABLISHED;
emit_event_audio_connected(status, hsp_ag_sco_handle);
break;
}
case RFCOMM_EVENT_INCOMING_CONNECTION:
if (hsp_state != HSP_IDLE) return;
if (hsp_ag_state != HSP_IDLE) return;
rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr);
rfcomm_cid = rfcomm_event_incoming_connection_get_rfcomm_cid(packet);
log_info("RFCOMM channel %u requested for %s with cid 0x%04x", rfcomm_event_incoming_connection_get_server_channel(packet), bd_addr_to_str(event_addr), rfcomm_cid);
hsp_state = HSP_W4_RFCOMM_CONNECTED;
rfcomm_accept_connection(rfcomm_cid);
rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr);
hsp_ag_rfcomm_cid = rfcomm_event_incoming_connection_get_rfcomm_cid(packet);
log_info("RFCOMM channel %u requested for %s with cid 0x%04x", rfcomm_event_incoming_connection_get_server_channel(packet), bd_addr_to_str(event_addr), hsp_ag_rfcomm_cid);
hsp_ag_state = HSP_W4_RFCOMM_CONNECTED;
rfcomm_accept_connection(hsp_ag_rfcomm_cid);
break;
case RFCOMM_EVENT_CHANNEL_OPENED:
@ -625,13 +627,13 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
if (rfcomm_event_channel_opened_get_status(packet)) {
log_info("RFCOMM channel open failed, status %u§", rfcomm_event_channel_opened_get_status(packet));
hsp_ag_reset_state();
hsp_state = HSP_IDLE;
hsp_ag_state = HSP_IDLE;
} else {
rfcomm_handle = rfcomm_event_channel_opened_get_con_handle(packet);
rfcomm_cid = rfcomm_event_channel_opened_get_rfcomm_cid(packet);
mtu = rfcomm_event_channel_opened_get_max_frame_size(packet);
log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, state %d", rfcomm_cid, mtu, hsp_state);
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
hsp_ag_rfcomm_handle = rfcomm_event_channel_opened_get_con_handle(packet);
hsp_ag_rfcomm_cid = rfcomm_event_channel_opened_get_rfcomm_cid(packet);
hsp_ag_mtu = rfcomm_event_channel_opened_get_max_frame_size(packet);
log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, state %d", hsp_ag_rfcomm_cid, hsp_ag_mtu, hsp_ag_state);
hsp_ag_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
}
emit_event(HSP_SUBEVENT_RFCOMM_CONNECTION_COMPLETE, packet[2]);
break;
@ -647,9 +649,9 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case HCI_EVENT_DISCONNECTION_COMPLETE:
handle = little_endian_read_16(packet,3);
if (handle == sco_handle){
sco_handle = HCI_CON_HANDLE_INVALID;
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
if (handle == hsp_ag_sco_handle){
hsp_ag_sco_handle = HCI_CON_HANDLE_INVALID;
hsp_ag_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
emit_event(HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE,0);
break;
}
@ -669,14 +671,14 @@ static void handle_query_rfcomm_event(uint8_t packet_type, uint16_t channel, uin
switch (packet[0]){
case SDP_EVENT_QUERY_RFCOMM_SERVICE:
channel_nr = sdp_event_query_rfcomm_service_get_rfcomm_channel(packet);
log_info("** Service name: '%s', RFCOMM port %u", sdp_event_query_rfcomm_service_get_name(packet), channel_nr);
hsp_ag_channel_nr = sdp_event_query_rfcomm_service_get_rfcomm_channel(packet);
log_info("** Service name: '%s', RFCOMM port %u", sdp_event_query_rfcomm_service_get_name(packet), hsp_ag_channel_nr);
break;
case SDP_EVENT_QUERY_COMPLETE:
if (channel_nr > 0){
hsp_state = HSP_W4_RFCOMM_CONNECTED;
if (hsp_ag_channel_nr > 0){
hsp_ag_state = HSP_W4_RFCOMM_CONNECTED;
log_info("RFCOMM create channel. state %d", HSP_W4_RFCOMM_CONNECTED);
rfcomm_create_channel(packet_handler, remote, channel_nr, NULL);
rfcomm_create_channel(packet_handler, hsp_ag_remote, hsp_ag_channel_nr, NULL);
break;
}
hsp_ag_reset_state();

242
src/classic/hsp_hs.c
View File

@ -75,29 +75,7 @@
#define HSP_HS_MICROPHONE_GAIN "AT+VGM"
#define HSP_HS_SPEAKER_GAIN "AT+VGS"
static const char default_hsp_hs_service_name[] = "Headset";
static bd_addr_t remote;
static uint8_t channel_nr = 0;
static uint16_t mtu;
static uint16_t rfcomm_cid = 0;
static hci_con_handle_t sco_handle;
static hci_con_handle_t rfcomm_handle;
static int hs_microphone_gain;
static int hs_speaker_gain;
static uint8_t hs_send_button_press;
static uint8_t wait_ok;
static uint8_t hs_accept_sco_connection;
static uint8_t hs_support_custom_indications;
static btstack_packet_callback_registration_t hci_event_callback_registration;
static uint8_t hsp_establish_audio_connection;
static uint8_t hsp_release_audio_connection;
static uint16_t hsp_hs_sco_packet_types;
static const char hsp_hs_default_service_name[] = "Headset";
typedef enum {
HSP_IDLE,
@ -120,15 +98,40 @@ typedef enum {
HSP_W4_CONNECTION_ESTABLISHED_TO_SHUTDOWN
} hsp_state_t;
static btstack_context_callback_registration_t hsp_hs_handle_sdp_client_query_request;
// higher-layer callbacks
static btstack_packet_handler_t hsp_hs_callback;
static bd_addr_t hsp_hs_remote;
static uint8_t hsp_hs_rfcomm_channel_nr;
static uint16_t hsp_hs_rfcomm_cid;
static uint16_t hsp_hs_rfcomm_mtu;
static hci_con_handle_t hsp_hs_sco_handle;
static hci_con_handle_t hsp_hs_rfcomm_handle;
static hsp_state_t hsp_state;
static int hsp_hs_microphone_gain;
static int hsp_hs_speaker_gain;
static uint8_t hsp_hs_send_button_press_triggered;
static uint8_t hsp_hs_wait_ok;
static uint8_t hsp_hs_accept_sco_connection;
static uint8_t hsp_hs_support_custom_indications;
static uint8_t hsp_hs_establish_audio_connection_triggered;
static uint8_t hsp_hs_release_audio_connection_triggered;
static uint16_t hsp_hs_sco_packet_types;
static btstack_packet_callback_registration_t hsp_hs_hci_event_callback_registration;
static btstack_context_callback_registration_t hsp_hs_handle_sdp_client_query_request;
static void hsp_run(void);
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void handle_query_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static btstack_packet_handler_t hsp_hs_callback;
static void dummy_notify(uint8_t packet_type, uint16_t channel, uint8_t * event, uint16_t size){
// ok: no code
UNUSED(packet_type);
@ -178,7 +181,7 @@ static void emit_event_audio_connected(uint8_t status, uint16_t handle){
// AG +VGM=13 [0..15] ; HS AT+VGM=6 | AG OK
static int hsp_hs_send_str_over_rfcomm(uint16_t cid, const char * command){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) return 1;
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) return 1;
int err = rfcomm_send(cid, (uint8_t*) command, strlen(command));
if (err){
log_info("rfcomm_send_internal -> error 0X%02x", err);
@ -187,12 +190,12 @@ static int hsp_hs_send_str_over_rfcomm(uint16_t cid, const char * command){
}
void hsp_hs_enable_custom_indications(int enable){
hs_support_custom_indications = enable;
hsp_hs_support_custom_indications = enable;
}
int hsp_hs_send_result(const char * result){
if (!hs_support_custom_indications) return 1;
return hsp_hs_send_str_over_rfcomm(rfcomm_cid, result);
if (!hsp_hs_support_custom_indications) return 1;
return hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, result);
}
@ -260,7 +263,7 @@ void hsp_hs_create_sdp_record(uint8_t * service, uint32_t service_record_handle
if (name){
de_add_data(service, DE_STRING, strlen(name), (uint8_t *) name);
} else {
de_add_data(service, DE_STRING, strlen(default_hsp_hs_service_name), (uint8_t *) default_hsp_hs_service_name);
de_add_data(service, DE_STRING, strlen(hsp_hs_default_service_name), (uint8_t *) hsp_hs_default_service_name);
}
// Remote audio volume control
@ -270,26 +273,26 @@ void hsp_hs_create_sdp_record(uint8_t * service, uint32_t service_record_handle
static void hsp_hs_reset_state(void){
hsp_state = HSP_IDLE;
hs_microphone_gain = -1;
hs_speaker_gain = -1;
rfcomm_cid = 0;
channel_nr = 0;
sco_handle = HCI_CON_HANDLE_INVALID;
rfcomm_handle = HCI_CON_HANDLE_INVALID;
hsp_hs_microphone_gain = -1;
hsp_hs_speaker_gain = -1;
hsp_hs_rfcomm_cid = 0;
hsp_hs_rfcomm_channel_nr = 0;
hsp_hs_rfcomm_handle = HCI_CON_HANDLE_INVALID;
hsp_hs_sco_handle = HCI_CON_HANDLE_INVALID;
hs_send_button_press = 0;
wait_ok = 0;
hs_support_custom_indications = 0;
hsp_hs_send_button_press_triggered = 0;
hsp_hs_wait_ok = 0;
hsp_hs_support_custom_indications = 0;
hs_accept_sco_connection = 0;
hsp_establish_audio_connection = 0;
hsp_release_audio_connection = 0;
hsp_hs_accept_sco_connection = 0;
hsp_hs_establish_audio_connection_triggered = 0;
hsp_hs_release_audio_connection_triggered = 0;
}
void hsp_hs_init(uint8_t rfcomm_channel_nr){
// register for HCI events
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
hsp_hs_hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hsp_hs_hci_event_callback_registration);
rfcomm_register_service(packet_handler, rfcomm_channel_nr, 0xffff); // reserved channel, mtu limited by l2cap
@ -298,10 +301,11 @@ void hsp_hs_init(uint8_t rfcomm_channel_nr){
}
void hsp_hs_deinit(void){
(void)memset(remote, 0, 6);
(void)memset(&hci_event_callback_registration, 0, sizeof(btstack_packet_callback_registration_t));
(void)memset(&hsp_hs_handle_sdp_client_query_request, 0, sizeof(btstack_context_callback_registration_t));
hsp_hs_reset_state();
hsp_hs_callback = NULL;
(void)memset(hsp_hs_remote, 0, 6);
(void)memset(&hsp_hs_hci_event_callback_registration, 0, sizeof(btstack_packet_callback_registration_t));
(void)memset(&hsp_hs_handle_sdp_client_query_request, 0, sizeof(btstack_context_callback_registration_t));
}
static void hsp_hs_handle_start_sdp_client_query(void * context){
@ -309,14 +313,14 @@ static void hsp_hs_handle_start_sdp_client_query(void * context){
if (hsp_state != HSP_W2_SEND_SDP_QUERY) return;
hsp_state = HSP_W4_SDP_QUERY_COMPLETE;
log_info("Start SDP query %s, 0x%02x", bd_addr_to_str(remote), BLUETOOTH_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY_AG);
sdp_client_query_rfcomm_channel_and_name_for_service_class_uuid(&handle_query_rfcomm_event, remote, BLUETOOTH_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY_AG);
log_info("Start SDP query %s, 0x%02x", bd_addr_to_str(hsp_hs_remote), BLUETOOTH_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY_AG);
sdp_client_query_rfcomm_channel_and_name_for_service_class_uuid(&handle_query_rfcomm_event, hsp_hs_remote, BLUETOOTH_SERVICE_CLASS_HEADSET_AUDIO_GATEWAY_AG);
}
void hsp_hs_connect(bd_addr_t bd_addr){
if (hsp_state != HSP_IDLE) return;
(void)memcpy(remote, bd_addr, 6);
(void)memcpy(hsp_hs_remote, bd_addr, 6);
hsp_state = HSP_W2_SEND_SDP_QUERY;
hsp_hs_handle_sdp_client_query_request.callback = &hsp_hs_handle_start_sdp_client_query;
// ignore ERROR_CODE_COMMAND_DISALLOWED because in that case, we already have requested an SDP callback
@ -336,15 +340,15 @@ void hsp_hs_disconnect(void){
return;
}
hsp_establish_audio_connection = 0;
rfcomm_disconnect(rfcomm_cid);
hsp_hs_establish_audio_connection_triggered = 0;
rfcomm_disconnect(hsp_hs_rfcomm_cid);
}
void hsp_hs_establish_audio_connection(void){
switch (hsp_state){
case HSP_RFCOMM_CONNECTION_ESTABLISHED:
hsp_establish_audio_connection = 1;
hsp_hs_establish_audio_connection_triggered = 1;
hsp_state = HSP_W4_SCO_CONNECTED;
break;
case HSP_W4_RFCOMM_CONNECTED:
@ -359,7 +363,7 @@ void hsp_hs_establish_audio_connection(void){
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_hs_release_audio_connection_triggered = 1;
hsp_run();
}
@ -368,7 +372,7 @@ void hsp_hs_set_microphone_gain(uint8_t gain){
log_info("Gain must be in interval [0..15], it is given %d", gain);
return;
}
hs_microphone_gain = gain;
hsp_hs_microphone_gain = gain;
hsp_run();
}
@ -378,7 +382,7 @@ void hsp_hs_set_speaker_gain(uint8_t gain){
log_info("Gain must be in interval [0..15], it is given %d", gain);
return;
}
hs_speaker_gain = gain;
hsp_hs_speaker_gain = gain;
hsp_run();
}
@ -387,36 +391,36 @@ static void hsp_run_handle_state(void){
case HSP_AUDIO_CONNECTION_ESTABLISHED:
case HSP_RFCOMM_CONNECTION_ESTABLISHED:
if (hs_microphone_gain >= 0){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_hs_microphone_gain >= 0){
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_hs_rfcomm_cid);
return;
}
char buffer[20];
snprintf(buffer, sizeof(buffer), "%s=%d\r",
HSP_HS_MICROPHONE_GAIN, hs_microphone_gain);
HSP_HS_MICROPHONE_GAIN, hsp_hs_microphone_gain);
buffer[sizeof(buffer) - 1] = 0;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, buffer);
hs_microphone_gain = -1;
hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, buffer);
hsp_hs_microphone_gain = -1;
break;
}
if (hs_speaker_gain >= 0){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_hs_speaker_gain >= 0){
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_hs_rfcomm_cid);
return;
}
char buffer[20];
snprintf(buffer, sizeof(buffer), "%s=%d\r",
HSP_HS_SPEAKER_GAIN, hs_speaker_gain);
HSP_HS_SPEAKER_GAIN, hsp_hs_speaker_gain);
buffer[sizeof(buffer) - 1] = 0;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, buffer);
hs_speaker_gain = -1;
hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, buffer);
hsp_hs_speaker_gain = -1;
break;
}
break;
case HSP_W4_RFCOMM_DISCONNECTED:
rfcomm_disconnect(rfcomm_cid);
rfcomm_disconnect(hsp_hs_rfcomm_cid);
break;
default:
break;
@ -425,18 +429,18 @@ static void hsp_run_handle_state(void){
static void hsp_run(void){
if (wait_ok) return;
if (hsp_hs_wait_ok) return;
if (hs_accept_sco_connection && hci_can_send_command_packet_now()){
if (hsp_hs_accept_sco_connection && hci_can_send_command_packet_now()){
bool eSCO = hs_accept_sco_connection == 2;
hs_accept_sco_connection = 0;
bool eSCO = hsp_hs_accept_sco_connection == 2;
hsp_hs_accept_sco_connection = 0;
log_info("HSP: sending hci_accept_connection_request.");
// pick packet types based on SCO link type (SCO vs. eSCO)
uint16_t packet_types;
if (eSCO && hci_extended_sco_link_supported() && hci_remote_esco_supported(rfcomm_handle)){
if (eSCO && hci_extended_sco_link_supported() && hci_remote_esco_supported(hsp_hs_rfcomm_handle)){
packet_types = 0x3F8;
} else {
packet_types = 0x0007;
@ -451,40 +455,40 @@ static void hsp_run(void){
uint16_t sco_voice_setting = hci_get_sco_voice_setting();
log_info("HFP: sending hci_accept_connection_request, sco_voice_setting %02x", sco_voice_setting);
hci_send_cmd(&hci_accept_synchronous_connection, remote, 8000, 8000, 0xffff, sco_voice_setting, 0xff, packet_types);
hci_send_cmd(&hci_accept_synchronous_connection, hsp_hs_remote, 8000, 8000, 0xffff, sco_voice_setting, 0xff, packet_types);
return;
}
if (hsp_release_audio_connection){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_hs_release_audio_connection_triggered){
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_hs_rfcomm_cid);
return;
}
hsp_release_audio_connection = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
hsp_hs_release_audio_connection_triggered = 0;
hsp_hs_wait_ok = 1;
hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
if (hsp_establish_audio_connection){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_hs_establish_audio_connection_triggered){
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_hs_rfcomm_cid);
return;
}
hsp_establish_audio_connection = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
hsp_hs_establish_audio_connection_triggered = 0;
hsp_hs_wait_ok = 1;
hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
if (hs_send_button_press){
if (!rfcomm_can_send_packet_now(rfcomm_cid)) {
rfcomm_request_can_send_now_event(rfcomm_cid);
if (hsp_hs_send_button_press_triggered){
if (!rfcomm_can_send_packet_now(hsp_hs_rfcomm_cid)) {
rfcomm_request_can_send_now_event(hsp_hs_rfcomm_cid);
return;
}
hs_send_button_press = 0;
wait_ok = 1;
hsp_hs_send_str_over_rfcomm(rfcomm_cid, HSP_HS_AT_CKPD);
hsp_hs_send_button_press_triggered = 0;
hsp_hs_wait_ok = 1;
hsp_hs_send_str_over_rfcomm(hsp_hs_rfcomm_cid, HSP_HS_AT_CKPD);
return;
}
@ -503,7 +507,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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;
hsp_hs_wait_ok = 0;
} else if (strncmp((char *)packet, HSP_MICROPHONE_GAIN, strlen(HSP_MICROPHONE_GAIN)) == 0){
uint8_t gain = (uint8_t)btstack_atoi((char*)&packet[strlen(HSP_MICROPHONE_GAIN)]);
emit_event(HSP_SUBEVENT_MICROPHONE_GAIN_CHANGED, gain);
@ -542,13 +546,13 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case 0: // SCO
case 2: // eSCO
hci_event_connection_request_get_bd_addr(packet, event_addr);
if (bd_addr_cmp(event_addr, remote) == 0){
if (bd_addr_cmp(event_addr, hsp_hs_remote) == 0){
if (hci_event_connection_request_get_link_type(packet) == 2){
hs_accept_sco_connection = 2;
hsp_hs_accept_sco_connection = 2;
} else {
hs_accept_sco_connection = 1;
hsp_hs_accept_sco_connection = 1;
}
log_info("hs_accept_sco_connection %u", hs_accept_sco_connection);
log_info("hs_accept_sco_connection %u", hsp_hs_accept_sco_connection);
}
break;
default:
@ -560,7 +564,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
if (hsp_state < HSP_RFCOMM_CONNECTION_ESTABLISHED) return;
hci_event_synchronous_connection_complete_get_bd_addr(packet, event_addr);
uint8_t status = hci_event_synchronous_connection_complete_get_status(packet);
sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
hsp_hs_sco_handle = hci_event_synchronous_connection_complete_get_handle(packet);
uint8_t link_type = hci_event_synchronous_connection_complete_get_link_type(packet);
uint8_t transmission_interval = hci_event_synchronous_connection_complete_get_transmission_interval(packet); // measured in slots
uint8_t retransmission_interval = hci_event_synchronous_connection_complete_get_retransmission_interval(packet); // measured in slots
@ -569,7 +573,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
if (status != 0){
log_error("(e)SCO Connection failed, status %u", status);
emit_event_audio_connected(status, sco_handle);
emit_event_audio_connected(status, hsp_hs_sco_handle);
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED ;
break;
}
@ -590,22 +594,22 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
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(event_addr), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length,
hci_event_synchronous_connection_complete_get_air_mode(packet));
" rx_packet_length %u bytes, tx_packet_length %u bytes, air_mode 0x%2x (0x02 == CVSD)", hsp_hs_sco_handle,
bd_addr_to_str(event_addr), transmission_interval, retransmission_interval, rx_packet_length, tx_packet_length,
hci_event_synchronous_connection_complete_get_air_mode(packet));
hsp_state = HSP_AUDIO_CONNECTION_ESTABLISHED;
emit_event_audio_connected(status, sco_handle);
emit_event_audio_connected(status, hsp_hs_sco_handle);
break;
}
case RFCOMM_EVENT_INCOMING_CONNECTION:
if (hsp_state != HSP_IDLE) return;
rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr);
rfcomm_cid = rfcomm_event_incoming_connection_get_rfcomm_cid(packet);
hsp_hs_rfcomm_cid = rfcomm_event_incoming_connection_get_rfcomm_cid(packet);
log_info("RFCOMM channel %u requested for %s", rfcomm_event_incoming_connection_get_server_channel(packet), bd_addr_to_str(event_addr));
hsp_state = HSP_W4_RFCOMM_CONNECTED;
rfcomm_accept_connection(rfcomm_cid);
rfcomm_accept_connection(hsp_hs_rfcomm_cid);
break;
case RFCOMM_EVENT_CHANNEL_OPENED:
@ -615,11 +619,11 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
hsp_state = HSP_IDLE;
hsp_hs_reset_state();
} else {
rfcomm_event_channel_opened_get_bd_addr(packet, remote);
rfcomm_handle = rfcomm_event_channel_opened_get_con_handle(packet);
rfcomm_cid = rfcomm_event_channel_opened_get_rfcomm_cid(packet);
mtu = rfcomm_event_channel_opened_get_max_frame_size(packet);
log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, handle %02x", rfcomm_cid, mtu, rfcomm_handle);
rfcomm_event_channel_opened_get_bd_addr(packet, hsp_hs_remote);
hsp_hs_rfcomm_handle = rfcomm_event_channel_opened_get_con_handle(packet);
hsp_hs_rfcomm_cid = rfcomm_event_channel_opened_get_rfcomm_cid(packet);
hsp_hs_rfcomm_mtu = rfcomm_event_channel_opened_get_max_frame_size(packet);
log_info("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u, handle %02x", hsp_hs_rfcomm_cid, hsp_hs_rfcomm_mtu, hsp_hs_rfcomm_handle);
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
}
emit_event(HSP_SUBEVENT_RFCOMM_CONNECTION_COMPLETE, rfcomm_event_channel_opened_get_status(packet));
@ -631,8 +635,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case HCI_EVENT_DISCONNECTION_COMPLETE:
handle = hci_event_disconnection_complete_get_connection_handle(packet);
if (handle == sco_handle){
sco_handle = 0;
if (handle == hsp_hs_sco_handle){
hsp_hs_sco_handle = 0;
hsp_state = HSP_RFCOMM_CONNECTION_ESTABLISHED;
emit_event(HSP_SUBEVENT_AUDIO_DISCONNECTION_COMPLETE,0);
break;
@ -659,14 +663,14 @@ static void handle_query_rfcomm_event(uint8_t packet_type, uint16_t channel, uin
switch (hci_event_packet_get_type(packet)){
case SDP_EVENT_QUERY_RFCOMM_SERVICE:
channel_nr = sdp_event_query_rfcomm_service_get_rfcomm_channel(packet);
log_info("** Service name: '%s', RFCOMM port %u", sdp_event_query_rfcomm_service_get_name(packet), channel_nr);
hsp_hs_rfcomm_channel_nr = sdp_event_query_rfcomm_service_get_rfcomm_channel(packet);
log_info("** Service name: '%s', RFCOMM port %u", sdp_event_query_rfcomm_service_get_name(packet), hsp_hs_rfcomm_channel_nr);
break;
case SDP_EVENT_QUERY_COMPLETE:
if (channel_nr > 0){
if (hsp_hs_rfcomm_channel_nr > 0){
hsp_state = HSP_W4_RFCOMM_CONNECTED;
log_info("HSP: SDP_QUERY_COMPLETE. RFCOMM create channel, addr %s, rfcomm channel nr %d", bd_addr_to_str(remote), channel_nr);
rfcomm_create_channel(packet_handler, remote, channel_nr, NULL);
log_info("HSP: SDP_QUERY_COMPLETE. RFCOMM create channel, addr %s, rfcomm channel nr %d", bd_addr_to_str(hsp_hs_remote), hsp_hs_rfcomm_channel_nr);
rfcomm_create_channel(packet_handler, hsp_hs_remote, hsp_hs_rfcomm_channel_nr, NULL);
break;
}
hsp_hs_reset_state();
@ -684,7 +688,7 @@ static void handle_query_rfcomm_event(uint8_t packet_type, uint16_t channel, uin
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_hs_send_button_press_triggered = 1;
hsp_run();
}