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https://github.com/bluekitchen/btstack.git
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hfp: hf rewriten codecs connection sm
This commit is contained in:
Milanka Ringwald
parent
42dbbb66b4
commit
63ffda6041
@ -330,6 +330,7 @@ typedef enum {
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HFP_CODECS_W4_AG_COMMON_CODEC,
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HFP_CODECS_AG_SENT_COMMON_CODEC,
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HFP_CODECS_AG_RESEND_COMMON_CODEC,
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HFP_CODECS_HF_CONFIRMED_CODEC,
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HFP_CODECS_EXCHANGED,
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HFP_CODECS_ERROR
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} hfp_codecs_state_t;
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276
src/hfp_hf.c
276
src/hfp_hf.c
@ -300,8 +300,132 @@ static int hfp_hf_run_for_context_service_level_connection(hfp_connection_t * co
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return done;
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}
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static void hfp_hf_handle_ok_service_level_connection_establishment(hfp_connection_t *context){
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if (context->state >= HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return;
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static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * context){
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if (context->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0;
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if (context->ok_pending) return 0;
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int done = 0;
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if (context->enable_status_update_for_ag_indicators != 0xFF){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_activate_status_update_for_all_ag_indicators(context->rfcomm_cid, context->enable_status_update_for_ag_indicators);
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return done;
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};
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if (context->change_status_update_for_individual_ag_indicators){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_activate_status_update_for_ag_indicator(context->rfcomm_cid,
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context->ag_indicators_status_update_bitmap,
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context->ag_indicators_nr);
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return done;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_query_operator_name_format(context->rfcomm_cid);
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return done;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_query_operator_name(context->rfcomm_cid);
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return done;
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}
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if (context->enable_extended_audio_gateway_error_report){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_enable_extended_audio_gateway_error_report(context->rfcomm_cid, context->enable_extended_audio_gateway_error_report);
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return done;
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}
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return done;
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}
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static int codecs_exchange_state_machine(hfp_connection_t * context){
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/* events ( == commands):
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HFP_CMD_AVAILABLE_CODECS == received AT+BAC with list of codecs
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HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP:
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hf_trigger_codec_connection_setup == received BCC
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ag_trigger_codec_connection_setup == received from AG to send BCS
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HFP_CMD_HF_CONFIRMED_CODEC == received AT+BCS
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*/
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if (context->ok_pending) return 0;
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int done = 1;
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printf(" -> State machine: CC\n");
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switch (context->command){
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case HFP_CMD_AVAILABLE_CODECS:
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if (context->codecs_state == HFP_CODECS_W4_AG_COMMON_CODEC) return 0;
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context->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC;
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context->ok_pending = 1;
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hfp_hf_cmd_notify_on_codecs(context->rfcomm_cid);
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return 1;
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case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP:
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context->codec_confirmed = 0;
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context->suggested_codec = 0;
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context->negotiated_codec = 0;
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context->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE;
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context->ok_pending = 1;
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hfp_hf_cmd_trigger_codec_connection_setup(context->rfcomm_cid);
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break;
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case HFP_CMD_AG_SUGGESTED_CODEC:
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if (hfp_hf_supports_codec(context->suggested_codec)){
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context->codec_confirmed = context->suggested_codec;
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context->ok_pending = 1;
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context->codecs_state = HFP_CODECS_HF_CONFIRMED_CODEC;
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hfp_hf_cmd_confirm_codec(context->rfcomm_cid, context->suggested_codec);
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} else {
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context->codec_confirmed = 0;
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context->suggested_codec = 0;
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context->negotiated_codec = 0;
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context->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC;
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context->ok_pending = 1;
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hfp_hf_cmd_notify_on_codecs(context->rfcomm_cid);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static void hfp_run_for_context(hfp_connection_t * context){
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if (!context) return;
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if (!rfcomm_can_send_packet_now(context->rfcomm_cid)) return;
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int done = hfp_hf_run_for_context_service_level_connection(context);
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if (!done){
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done = hfp_hf_run_for_context_service_level_connection_queries(context);
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}
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if (!done){
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done = codecs_exchange_state_machine(context);
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}
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if (done) return;
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// deal with disconnect
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switch (context->state){
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case HFP_W2_DISCONNECT_RFCOMM:
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context->state = HFP_W4_RFCOMM_DISCONNECTED;
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rfcomm_disconnect_internal(context->rfcomm_cid);
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break;
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default:
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break;
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}
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}
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static void hfp_hf_switch_on_ok(hfp_connection_t *context){
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context->ok_pending = 0;
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int done = 1;
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switch (context->state){
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case HFP_W4_EXCHANGE_SUPPORTED_FEATURES:
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if (has_codec_negotiation_feature(context)){
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@ -357,174 +481,52 @@ static void hfp_hf_handle_ok_service_level_connection_establishment(hfp_connecti
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context->state = HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED;
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hfp_emit_event(hfp_callback, HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED, 0);
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break;
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default:
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break;
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}
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}
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static int hfp_hf_run_for_context_service_level_connection_queries(hfp_connection_t * context){
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if (context->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return 0;
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if (context->ok_pending) return 0;
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int done = 0;
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if (context->enable_status_update_for_ag_indicators != 0xFF){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_activate_status_update_for_all_ag_indicators(context->rfcomm_cid, context->enable_status_update_for_ag_indicators);
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return done;
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};
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if (context->change_status_update_for_individual_ag_indicators){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_activate_status_update_for_ag_indicator(context->rfcomm_cid,
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context->ag_indicators_status_update_bitmap,
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context->ag_indicators_nr);
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return done;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_query_operator_name_format(context->rfcomm_cid);
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return done;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_query_operator_name(context->rfcomm_cid);
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return done;
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}
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if (context->enable_extended_audio_gateway_error_report){
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context->ok_pending = 1;
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done = 1;
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hfp_hf_cmd_enable_extended_audio_gateway_error_report(context->rfcomm_cid, context->enable_extended_audio_gateway_error_report);
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return done;
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}
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return done;
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}
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static void hfp_hf_handle_ok_service_level_connection_queries(hfp_connection_t * context){
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if (context->state != HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED) return;
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case HFP_SERVICE_LEVEL_CONNECTION_ESTABLISHED:
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if (context->enable_status_update_for_ag_indicators != 0xFF){
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context->enable_status_update_for_ag_indicators = 0xFF;
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hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0);
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return;
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};
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break;
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}
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if (context->change_status_update_for_individual_ag_indicators == 1){
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context->change_status_update_for_individual_ag_indicators = 0;
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hfp_emit_event(hfp_callback, HFP_SUBEVENT_COMPLETE, 0);
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return;
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break;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME_FORMAT){
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context->command = HFP_CMD_QUERY_OPERATOR_SELECTION_NAME;
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return;
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break;
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}
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if (context->command == HFP_CMD_QUERY_OPERATOR_SELECTION_NAME){
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hfp_emit_network_operator_event(hfp_callback, 0, context->network_operator);
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return;
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break;
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}
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if (context->enable_extended_audio_gateway_error_report){
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context->enable_extended_audio_gateway_error_report = 0;
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return;
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}
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}
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static int codecs_exchange_state_machine(hfp_connection_t * context){
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if (context->ok_pending) return 0;
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int done = 1;
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switch(context->command){
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case HFP_CMD_AVAILABLE_CODECS:
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switch (context->codecs_state){
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case HFP_CODECS_W4_AG_COMMON_CODEC:
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context->codec_confirmed = 0;
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context->suggested_codec = 0;
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context->negotiated_codec = 0;
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break;
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case HFP_CODECS_EXCHANGED:
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context->negotiated_codec = 0;
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context->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC;
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break;
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default:
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break;
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}
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hfp_hf_cmd_notify_on_codecs(context->rfcomm_cid);
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break;
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case HFP_CMD_TRIGGER_CODEC_CONNECTION_SETUP:
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context->codecs_state = HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE;
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hfp_hf_cmd_trigger_codec_connection_setup(context->rfcomm_cid);
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break;
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printf(" CC received ok\n");
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case HFP_CMD_AG_SUGGESTED_CODEC:
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if (hfp_hf_supports_codec(context->suggested_codec)){
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context->codec_confirmed = context->suggested_codec;
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hfp_hf_cmd_confirm_codec(context->rfcomm_cid, context->suggested_codec);
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} else {
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context->codec_confirmed = 0;
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context->suggested_codec = 0;
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context->negotiated_codec = 0;
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hfp_hf_cmd_notify_on_codecs(context->rfcomm_cid);
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}
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break;
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default:
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return 0;
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}
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if (done){
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context->ok_pending = 1;
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}
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return done;
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}
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static void hfp_hf_handle_ok_codecs_connection(hfp_connection_t * context){
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// handle audio connection setup
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switch (context->codecs_state){
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case HFP_CODECS_RECEIVED_TRIGGER_CODEC_EXCHANGE:
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context->codecs_state = HFP_CODECS_W4_AG_COMMON_CODEC;
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break;
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case HFP_CODECS_HF_CONFIRMED_CODEC:
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context->codecs_state = HFP_CODECS_EXCHANGED;
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hfp_emit_event(hfp_callback, HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE, 0);
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break;
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default:
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done = 0;
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break;
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}
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}
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static void hfp_run_for_context(hfp_connection_t * context){
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if (!context) return;
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if (!rfcomm_can_send_packet_now(context->rfcomm_cid)) return;
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int done = hfp_hf_run_for_context_service_level_connection(context);
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if (!done){
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done = hfp_hf_run_for_context_service_level_connection_queries(context);
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}
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if (!done){
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done = codecs_exchange_state_machine(context);
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}
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if (done) return;
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// deal with disconnect
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switch (context->state){
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case HFP_W2_DISCONNECT_RFCOMM:
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context->state = HFP_W4_RFCOMM_DISCONNECTED;
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rfcomm_disconnect_internal(context->rfcomm_cid);
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break;
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default:
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done = 0;
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break;
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}
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}
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static void hfp_hf_switch_on_ok(hfp_connection_t *context){
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// printf("switch on ok\n");
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context->ok_pending = 0;
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hfp_hf_handle_ok_service_level_connection_establishment(context);
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hfp_hf_handle_ok_service_level_connection_queries(context);
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hfp_hf_handle_ok_codecs_connection(context);
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// done
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context->command = HFP_CMD_NONE;
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}
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@ -71,10 +71,18 @@ const uint8_t rfcomm_channel_nr = 1;
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static bd_addr_t device_addr = {0xD8,0xBb,0x2C,0xDf,0xF1,0x08};
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static uint8_t codecs[2] = {1,2};
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static uint8_t default_codecs[2] = {1};
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static uint16_t indicators[1] = {0x01};
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static uint8_t service_level_connection_established = 0;
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static uint8_t codecs_connection_established = 0;
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static uint8_t audio_connection_established = 0;
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static uint8_t start_ringing = 0;
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static uint8_t stop_ringing = 0;
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static uint8_t call_termiated = 0;
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static int supported_features_with_codec_negotiation = 438; // 0001 1011 0110
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static int supported_features_without_codec_negotiation = 310; // 0001 0011 0110
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int expected_rfcomm_command(const char * cmd){
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char * ag_cmd = (char *)get_rfcomm_payload();
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@ -143,28 +151,37 @@ void packet_handler(uint8_t * event, uint16_t event_size){
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case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_ESTABLISHED:
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printf("\n** SLC established **\n\n");
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service_level_connection_established = 1;
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codecs_connection_established = 0;
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audio_connection_established = 0;
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break;
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case HFP_SUBEVENT_CODECS_CONNECTION_COMPLETE:
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printf("\n** CC established **\n\n");
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codecs_connection_established = 1;
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audio_connection_established = 0;
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break;
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case HFP_SUBEVENT_SERVICE_LEVEL_CONNECTION_RELEASED:
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printf("\n** SLC released **\n\n");
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service_level_connection_established = 0;
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break;
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case HFP_SUBEVENT_COMPLETE:
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printf("HFP_SUBEVENT_COMPLETE.\n\n");
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case HFP_SUBEVENT_AUDIO_CONNECTION_ESTABLISHED:
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printf("\n** AC established **\n\n");
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audio_connection_established = 1;
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break;
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case HFP_SUBEVENT_AG_INDICATOR_STATUS_CHANGED:
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printf("AG_INDICATOR_STATUS_CHANGED, AG indicator index: %d, status: %d\n", event[4], event[5]);
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case HFP_SUBEVENT_AUDIO_CONNECTION_RELEASED:
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printf("\n** AC released **\n\n");
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audio_connection_established = 0;
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break;
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case HFP_SUBEVENT_NETWORK_OPERATOR_CHANGED:
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printf("NETWORK_OPERATOR_CHANGED, operator mode: %d, format: %d, name: %s\n", event[4], event[5], (char *) &event[6]);
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case HFP_SUBEVENT_START_RINGINIG:
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printf("\n** Start ringing **\n\n");
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start_ringing = 1;
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break;
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case HFP_SUBEVENT_EXTENDED_AUDIO_GATEWAY_ERROR:
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if (event[4])
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printf("EXTENDED_AUDIO_GATEWAY_ERROR_REPORT, status : %d\n", event[3]);
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case HFP_SUBEVENT_STOP_RINGINIG:
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printf("\n** Stop ringing **\n\n");
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stop_ringing = 1;
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start_ringing = 0;
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break;
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case HFP_SUBEVENT_CALL_TERMINATED:
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call_termiated = 1;
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break;
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default:
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printf("event not handled %u\n", event[2]);
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@ -179,14 +196,22 @@ TEST_GROUP(HFPClient){
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void setup(void){
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service_level_connection_established = 0;
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codecs_connection_established = 0;
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audio_connection_established = 0;
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start_ringing = 0;
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stop_ringing = 0;
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call_termiated = 0;
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hfp_hf_init(rfcomm_channel_nr, supported_features_with_codec_negotiation, indicators, sizeof(indicators)/sizeof(uint16_t), 1);
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hfp_hf_set_codecs(codecs, sizeof(codecs));
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}
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void teardown(void){
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if (service_level_connection_established){
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hfp_hf_release_audio_connection(device_addr);
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hfp_hf_release_service_level_connection(device_addr);
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CHECK_EQUAL(service_level_connection_established, 0);
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}
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service_level_connection_established = 0;
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codecs_connection_established = 0;
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audio_connection_established = 0;
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}
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void setup_hfp_service_level_connection(char ** test_steps, int nr_test_steps){
|
||||
@ -202,6 +227,22 @@ TEST_GROUP(HFPClient){
|
||||
|
||||
};
|
||||
|
||||
TEST(HFPClient, HFAudioConnectionEstablishedWithoutCodecNegotiation){
|
||||
hfp_hf_init(rfcomm_channel_nr, supported_features_without_codec_negotiation, indicators, sizeof(indicators)/sizeof(uint16_t), 1);
|
||||
hfp_hf_set_codecs(default_codecs, 1);
|
||||
|
||||
setup_hfp_service_level_connection(hfp_slc_tests()[1].test, hfp_slc_tests()[1].len);
|
||||
CHECK_EQUAL(service_level_connection_established, 1);
|
||||
|
||||
setup_hfp_codecs_connection(default_cc_setup(), default_cc_setup_size());
|
||||
CHECK_EQUAL(codecs_connection_established, 1);
|
||||
|
||||
// hfp_hf_establish_audio_connection(device_addr);
|
||||
// CHECK_EQUAL(audio_connection_established, 1);
|
||||
|
||||
// hfp_hf_release_audio_connection(device_addr);
|
||||
// CHECK_EQUAL(audio_connection_established, 0);
|
||||
}
|
||||
|
||||
TEST(HFPClient, HFCodecsConnectionEstablished){
|
||||
for (int i = 0; i < cc_tests_size(); i++){
|
||||
@ -231,9 +272,6 @@ TEST(HFPClient, HFServiceLevelConnectionEstablished){
|
||||
|
||||
|
||||
int main (int argc, const char * argv[]){
|
||||
hfp_hf_init(rfcomm_channel_nr, 438, indicators, sizeof(indicators)/sizeof(uint16_t), 1);
|
||||
hfp_hf_set_codecs(codecs, sizeof(codecs));
|
||||
hfp_hf_register_packet_handler(packet_handler);
|
||||
|
||||
return CommandLineTestRunner::RunAllTests(argc, argv);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user