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hfp_ag: send Apple Device information upon request, report Accessory battery level and docked state

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This commit is contained in:
Matthias Ringwald 2024-07-23 17:45:13 +02:00
parent 910dced5cc
commit edc46354e2
2 changed files with 82 additions and 0 deletions
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75
src/classic/hfp_ag.c
View File

@ -125,6 +125,11 @@ static int hfp_ag_subscriber_numbers_count;
// call state
static btstack_timer_source_t hfp_ag_ring_timeout;
// Apple extension
static const char * hfp_ag_apple_device;
static uint8_t hfp_ag_apple_features;
// code
static int hfp_ag_get_ag_indicators_nr(hfp_connection_t * hfp_connection){
if (hfp_connection->ag_indicators_nr != hfp_ag_indicators_nr){
@ -287,6 +292,14 @@ static int hfp_ag_send_report_extended_audio_gateway_error(uint16_t cid, uint8_t
return send_str_over_rfcomm(cid, buffer);
}
static int hfp_ag_send_apple_information(uint16_t cid){
char buffer[50];
snprintf(buffer, sizeof(buffer), "\r\n%s:%s,%d\r\n",
HFP_APPLE_ACCESSORY_INFORMATION, hfp_ag_apple_device, hfp_ag_apple_features);
buffer[sizeof(buffer) - 1] = 0;
return send_str_over_rfcomm(cid, buffer);
}
// get size for indicator string
static int hfp_ag_indicators_string_size(hfp_connection_t * hfp_connection, int i){
// template: ("$NAME",($MIN,$MAX))
@ -895,6 +908,37 @@ static void hfp_ag_emit_general_simple_event(uint8_t event_subtype){
(*hfp_ag_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
}
void hfp_ag_emit_apple_accessory_information(hfp_connection_t *hfp_connection){
uint8_t event[40];
uint16_t version_len = strlen(hfp_connection->apple_accessory_version);
event[0] = HCI_EVENT_HFP_META;
event[1] = 9 + version_len;
event[2] = HFP_SUBEVENT_APPLE_ACCESSORY_INFORMATION;
little_endian_store_16(event, 3, hfp_connection->acl_handle);
little_endian_store_16(event, 5, hfp_connection->apple_accessory_vendor_id);
little_endian_store_16(event, 7, hfp_connection->apple_accessory_product_id);
event[9] = hfp_connection->apple_accessory_features;
event[10] = version_len;
memcpy(&event[11], hfp_connection->apple_accessory_version, version_len);
(*hfp_ag_callback)(HCI_EVENT_PACKET, 0, event, 11 + version_len);
}
void hfp_ag_emit_apple_accessory_state(hfp_connection_t *hfp_connection){
uint8_t event[40];
event[0] = HCI_EVENT_HFP_META;
event[1] = 2;
if (hfp_connection->apple_accessory_battery_level >= 0){
event[2] = HFP_SUBEVENT_APPLE_BATTERY_LEVEL;
event[3] = hfp_connection->apple_accessory_battery_level;
(*hfp_ag_callback)(HCI_EVENT_PACKET, 0, event, 4);
}
if (hfp_connection->apple_accessory_docked >= 0){
event[2] = HFP_SUBEVENT_APPLE_DOCKED_STATE;
event[3] = hfp_connection->apple_accessory_docked;
(*hfp_ag_callback)(HCI_EVENT_PACKET, 0, event, 4);
}
}
static void hfp_ag_emit_custom_command_event(hfp_connection_t * hfp_connection){
btstack_assert(sizeof(hfp_connection->line_buffer) < (255-5));
@ -2101,6 +2145,13 @@ static int hfp_ag_send_commands(hfp_connection_t *hfp_connection){
return 1;
}
// note: before ok_pending and send_error
if (hfp_connection->send_apple_information){
hfp_connection->send_apple_information = false;
hfp_ag_send_apple_information(hfp_connection->rfcomm_cid);
return 1;
}
if (hfp_connection->send_error > 0){
hfp_connection->send_error--;
hfp_connection->command = HFP_CMD_NONE;
@ -2574,6 +2625,25 @@ static void hfp_ag_handle_rfcomm_data(hfp_connection_t * hfp_connection, uint8_t
log_info("Custom AT Command ID 0x%04x", hfp_connection->custom_at_command_id);
hfp_ag_emit_custom_command_event(hfp_connection);
break;
case HFP_CMD_APPLE_ACCESSORY_INFORMATION:
hfp_connection->command = HFP_CMD_NONE;
if (hfp_ag_apple_device != NULL){
hfp_connection->send_apple_information = true;
hfp_ag_queue_ok(hfp_connection);
hfp_ag_emit_apple_accessory_information(hfp_connection);
} else {
hfp_ag_queue_error(hfp_connection);
};
break;
case HFP_CMD_APPLE_ACCESSORY_STATE:
hfp_connection->command = HFP_CMD_NONE;
if (hfp_ag_apple_device != NULL) {
hfp_ag_emit_apple_accessory_state(hfp_connection);
hfp_ag_queue_ok(hfp_connection);
} else {
hfp_ag_queue_error(hfp_connection);
}
break;
case HFP_CMD_UNKNOWN:
hfp_connection->command = HFP_CMD_NONE;
hfp_ag_queue_error(hfp_connection);
@ -2667,6 +2737,10 @@ void hfp_ag_init_call_hold_services(int call_hold_services_nr, const char * call
call_hold_services_nr * sizeof(char *));
}
void hfp_ag_init_apple_identification(const char * device, uint8_t features){
hfp_ag_apple_device = device;
hfp_ag_apple_features = features;
}
void hfp_ag_init(uint8_t rfcomm_channel_nr){
@ -2700,6 +2774,7 @@ void hfp_ag_deinit(void){
hfp_ag_codecs_nr = 0;
hfp_ag_indicators_nr = 0;
hfp_ag_call_hold_services_nr = 0;
hfp_ag_apple_device = NULL;
(void) memset(&hfp_ag_call_hold_services, 0, sizeof(hfp_ag_call_hold_services));
hfp_ag_response_and_hold_state = HFP_RESPONSE_AND_HOLD_INCOMING_ON_HOLD;
(void) memset(&hfp_ag_response_and_hold_state, 0, sizeof(hfp_response_and_hold_state_t));

7
src/classic/hfp_ag.h
View File

@ -112,6 +112,13 @@ void hfp_ag_init_hf_indicators(int hf_indicators_nr, const hfp_generic_status_in
*/
void hfp_ag_init_call_hold_services(int call_hold_services_nr, const char * call_hold_services[]);
/**
* @brief Provide Apple Device information upon AT+XAPL
* @param device
* @param features
*/
void hfp_ag_init_apple_identification(const char * device, uint8_t features);
/**
* @brief Register callback for the HFP Audio Gateway (AG) client.