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hfp_ag: send NO CARRIER if network goes away during active call

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This commit is contained in:
Milanka Ringwald 2021-04-16 09:40:01 +02:00
parent 411a977694
commit 245852b749
2 changed files with 39 additions and 18 deletions
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17
src/classic/hfp.h
View File

@ -168,33 +168,27 @@ typedef enum {
HFP_CMD_UNKNOWN,
HFP_CMD_OK,
HFP_CMD_RING,
HFP_CMD_SUPPORTED_FEATURES,
HFP_CMD_SUPPORTED_FEATURES, // 5
HFP_CMD_AVAILABLE_CODECS,
HFP_CMD_RETRIEVE_AG_INDICATORS_GENERIC,
HFP_CMD_RETRIEVE_AG_INDICATORS,
HFP_CMD_RETRIEVE_AG_INDICATORS_STATUS,
HFP_CMD_ENABLE_INDICATOR_STATUS_UPDATE,
HFP_CMD_ENABLE_INDICATOR_STATUS_UPDATE, // 10
HFP_CMD_ENABLE_INDIVIDUAL_AG_INDICATOR_STATUS_UPDATE,
HFP_CMD_SUPPORT_CALL_HOLD_AND_MULTIPARTY_SERVICES,
HFP_CMD_ENABLE_CLIP,
HFP_CMD_AG_SENT_CLIP_INFORMATION,
HFP_CMD_ENABLE_CALL_WAITING_NOTIFICATION,
HFP_CMD_ENABLE_CALL_WAITING_NOTIFICATION, // 15
HFP_CMD_AG_SENT_CALL_WAITING_NOTIFICATION_UPDATE,
HFP_CMD_LIST_GENERIC_STATUS_INDICATORS,
HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS,
HFP_CMD_RETRIEVE_GENERIC_STATUS_INDICATORS_STATE,
HFP_CMD_SET_GENERIC_STATUS_INDICATOR_STATUS,
HFP_CMD_SET_GENERIC_STATUS_INDICATOR_STATUS, // 20
HFP_CMD_TRANSFER_AG_INDICATOR_STATUS,
HFP_CMD_QUERY_OPERATOR_SELECTION_NAME,
HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT,
HFP_CMD_ENABLE_EXTENDED_AUDIO_GATEWAY_ERROR,
HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR,
HFP_CMD_EXTENDED_AUDIO_GATEWAY_ERROR, // 25
HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP,
HFP_CMD_AG_SEND_COMMON_CODEC,
HFP_CMD_AG_SUGGESTED_CODEC,
@ -594,6 +588,7 @@ typedef struct hfp_connection {
uint8_t ag_call_hold_action;
uint8_t ag_response_and_hold_action;
uint8_t ag_dtmf_code;
bool ag_send_no_carrier;
int send_status_of_current_calls;
int next_call_index;

38
src/classic/hfp_ag.c
View File

@ -211,6 +211,13 @@ static int hfp_ag_send_ring(uint16_t cid){
return send_str_over_rfcomm(cid, (char *) "\r\nRING\r\n");
}
static int hfp_ag_send_no_carrier(uint16_t cid){
char buffer[15];
snprintf(buffer, sizeof(buffer), "\r\nNO CARRIER\r\n");
buffer[sizeof(buffer) - 1] = 0;
return send_str_over_rfcomm(cid, buffer);
}
static int hfp_ag_send_clip(uint16_t cid){
char buffer[50];
snprintf(buffer, sizeof(buffer), "\r\n%s: \"%s\",%u\r\n", HFP_ENABLE_CLIP,
@ -925,7 +932,6 @@ static void hfp_ag_transfer_callheld_state(void){
}
static void hfp_ag_hf_accept_call(hfp_connection_t * source){
int call_indicator_index = get_ag_indicator_index_for_name("call");
int callsetup_indicator_index = get_ag_indicator_index_for_name("callsetup");
@ -958,7 +964,6 @@ static void hfp_ag_hf_accept_call(hfp_connection_t * source){
}
static void hfp_ag_ag_accept_call(void){
int call_indicator_index = get_ag_indicator_index_for_name("call");
int callsetup_indicator_index = get_ag_indicator_index_for_name("callsetup");
@ -1693,6 +1698,12 @@ static int hfp_ag_send_commands(hfp_connection_t *hfp_connection){
}
}
if (hfp_connection->ag_send_no_carrier){
hfp_connection->ag_send_no_carrier = false;
hfp_ag_send_no_carrier(hfp_connection->rfcomm_cid);
return 1;
}
if (hfp_connection->ag_ring){
hfp_connection->ag_ring = 0;
hfp_connection->command = HFP_CMD_NONE;
@ -2345,23 +2356,38 @@ static void hfp_ag_set_ag_indicator(const char * name, int value){
if (indicator_index < 0) return;
hfp_ag_indicators[indicator_index].status = value;
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, hfp_get_connections());
while (btstack_linked_list_iterator_has_next(&it)){
hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it);
if (hfp_connection->local_role != HFP_ROLE_AG) continue;
if (! hfp_connection->ag_indicators[indicator_index].enabled) {
log_info("AG indicator '%s' changed to %u but not enabled", hfp_ag_indicators[indicator_index].name, value);
if (!hfp_connection->ag_indicators[indicator_index].enabled) {
log_info("Requested AG indicator '%s' update to %u, but it is not enabled", hfp_ag_indicators[indicator_index].name, value);
continue;
}
log_info("AG indicator '%s' changed to %u, request transfer statur", hfp_ag_indicators[indicator_index].name, value);
log_info("AG indicator '%s' changed to %u, request transfer status", hfp_ag_indicators[indicator_index].name, value);
hfp_connection->ag_indicators_status_update_bitmap = store_bit(hfp_connection->ag_indicators_status_update_bitmap, indicator_index, 1);
hfp_ag_run_for_context(hfp_connection);
}
}
void hfp_ag_set_registration_status(int status){
if ( (status == 0) && (hfp_gsm_call_status() == HFP_CALL_STATUS_ACTIVE_OR_HELD_CALL_IS_PRESENT)){
// if network goes away wihle a call is active:
// - the call gets dropped
// - we send NO CARRIER
// NOTE: the CALL=0 has to be sent before NO CARRIER
hfp_ag_call_sm(HFP_AG_CALL_DROPPED, NULL);
btstack_linked_list_iterator_t it;
btstack_linked_list_iterator_init(&it, hfp_get_connections());
while (btstack_linked_list_iterator_has_next(&it)){
hfp_connection_t * hfp_connection = (hfp_connection_t *)btstack_linked_list_iterator_next(&it);
hfp_connection->ag_send_no_carrier = true;
}
}
hfp_ag_set_ag_indicator("service", status);
}