void *ai_audio_nav_file_info_image(ai_image_size_t *size) { if (!ai_async_audio_nav_file_info_image(size)) return NULL; do { AI_SYNC_TASK_CALL_BACK(); ai_async_cmd_task(); } while( !is_ai_async_cmd_finished() ); return (void *) ai_async_cmd_out_u32(); }
void *ai_audio_context_save( uint8_t *status, uint16_t *size ) { if( !ai_async_audio_context_save() ) { *status = false; return NULL; } do { AI_SYNC_TASK_CALL_BACK(); ai_async_cmd_task(); }while( !is_ai_async_cmd_finished() ); *status = ai_async_cmd_out_status(); *size = ai_async_cmd_out_SizeArrayU8(); return (void *)ai_async_cmd_out_PtrArrayU8(); }
/*! \brief Entry point of the audio management interface. * */ void com_task(void) { static struct state_machine_context state_m = { .state = STATE_INITIALIZATION, .async_cmd = false, .view = GUI_UPDATE_VIEW_NONE, .view_elt = GUI_UPDATE_ELT_NONE, .elapsed_time_timer.timer_state = CPU_TIMER_STATE_STOPPED }; // Update the GUI gui_update(state_m.view, &state_m.view_elt, &state_m.display_list, &state_m.info, &state_m.player_status); // Ask the audio interface to execute pending tasks ai_async_cmd_task(); if (state_m.async_cmd) { // If current command is not done if (!is_ai_async_cmd_finished()) { // If it is a new command that is being proceed if (state_m.in_progress_timer.timer_state == CPU_TIMER_STATE_STOPPED) cpu_set_timeout(cpu_ms_2_cy(500, FCPU_HZ), &state_m.in_progress_timer); // If current command is not done and it is taking a long else if (cpu_is_timeout(&state_m.in_progress_timer)) state_m.view_elt |= GUI_UPDATE_ELT_IN_PROGRESS; return; } else { state_m.cmd_status = ai_async_cmd_out_status(); cpu_stop_timeout(&state_m.in_progress_timer); } } // If a device is connected if (state_m.state != STATE_INITIALIZATION && state_m.state != STATE_IDLE_ENTRY_POINT && state_m.state != STATE_IDLE_WAIT_FOR_EVENT) { // If no device is connected, then jump to the disconnection state if (ai_is_none()) { ai_command_abort(); state_m.state = STATE_DEVICE_DISCONNECTED; } } switch (state_m.state) { case STATE_INITIALIZATION: state_m.state = STATE_IDLE_ENTRY_POINT; cpu_stop_timeout(&state_m.in_progress_timer); // Set default volume if specified #if defined(DEFAULT_VOLUME) audio_mixer_dacs_set_volume(DEFAULT_VOLUME); #endif break; case STATE_DEVICE_CONNECTED: controller_init(FCPU_HZ, FHSB_HZ, FPBB_HZ, FPBA_HZ); state_m.state = STATE_NAVIGATION_ENTRY_POINT; state_m.view_elt |= GUI_UPDATE_ELT_CONNECTED; break; case STATE_DEVICE_DISCONNECTED: controller_shutdown(); state_m.state = STATE_IDLE_ENTRY_POINT; state_m.view_elt |= GUI_UPDATE_ELT_DISCONNECTED; break; case STATE_IDLE_ENTRY_POINT: case STATE_IDLE_WAIT_FOR_EVENT: case STATE_IDLE_DRIVE_LOAD: idle_task(&state_m); break; case STATE_NAVIGATION_ENTRY_POINT: case STATE_NAVIGATION_UPDATE_LIST: case STATE_NAVIGATION_UPDATE_LIST_GET_NAME: case STATE_NAVIGATION_UPDATE_LIST_STORE_NAME: case STATE_NAVIGATION_UPDATE_ISDIR: case STATE_NAVIGATION_WAIT_FOR_EVENT: case STATE_NAVIGATION_UPDATE_STATUS: case STATE_NAVIGATION_CD: case STATE_NAVIGATION_GOTOPARENT: case STATE_NAVIGATION_GOTOPARENT_ERROR_HANDLING: case STATE_NAVIGATION_PLAY_SELECTED_FILE: case STATE_NAVIGATION_WAIT_FOR_SELECTION: case STATE_NAVIGATION_UPDATE_METADATA_AND_PLAY: navigation_task(&state_m); break; case STATE_PLAYBACK_ENTRY_POINT: case STATE_PLAYBACK_WAIT_FOR_EVENT: case STATE_PLAYBACK_HANDLE_FAST_MODES: case STATE_PLAYBACK_UPDATE_TIME: case STATE_PLAYBACK_UPDATE_STATUS: playback_task(&state_m); break; case STATE_CONFIG_ENTRY_POINT: case STATE_CONFIG_WAIT_FOR_EVENT: case STATE_CONFIG_UPDATE_STATES: case STATE_CONFIG_READ_REPEAT_STATE: case STATE_CONFIG_READ_SHUFFLE_STATE: config_task(&state_m); break; case STATE_CHECK_DEVICE_ENTRY_POINT: case STATE_CHECK_DEVICE_UPDATE_STATUS: check_device_task(&state_m); break; case STATE_TRACK_CHANGED_ENTRY_POINT: case STATE_TRACK_CHANGED_TOTAL_TIME: case STATE_TRACK_CHANGED_FILE_NAME: case STATE_TRACK_CHANGED_ARTIST: case STATE_TRACK_CHANGED_TITLE: case STATE_TRACK_CHANGED_IMAGE: case STATE_TRACK_CHANGED_RESUME: case STATE_TRACK_CHECK_RESUME: track_changed_task(&state_m); break; case STATE_COMMAND_PLAY_ANY_SONG: command_task(&state_m); break; default: break; } /* // Power sleep mode is managed here if( usb_device_get_state()==DEVICE_STATE_NOT_CONNECTED ) { if( cpu_is_timer_stopped(&sleep_timer) ) { cpu_set_timeout(cpu_ms_2_cy(SLEEP_MODE_MS, FCPU_HZ), &sleep_timer); } else if( cpu_is_timeout(&sleep_timer) ) { gui_enter_idle(); SLEEP(AVR32_PM_SMODE_IDLE); gui_leave_idle(); } } else { cpu_stop_timeout(&sleep_timer); } */ }