static void check_device_task(struct state_machine_context *state_m)
{
Ai_player_flag_t player_flag_temp;
static uint32_t old_status = 0;
static t_cpu_time get_play_time_timer = {
.timer_state = CPU_TIMER_STATE_STOPPED
};
// By default, the command executed is asynchronous.
state_m->async_cmd = true;
switch (state_m->state)
{
// This state id the entry point of the check device function.
case STATE_CHECK_DEVICE_ENTRY_POINT:
state_m->cmd_status = true;
if (usb_device_get_state() != DEVICE_STATE_READY)
{
state_m->async_cmd = false;
state_m->state = STATE_DEVICE_DISCONNECTED;
break;
}
if( cpu_is_timer_stopped(&get_play_time_timer) ) {
cpu_set_timeout(cpu_ms_2_cy(ELAPSED_TIME_TIMER_VALUE_MS, FCPU_HZ), &get_play_time_timer);
ai_async_audio_ctrl_status();
state_m->state = STATE_CHECK_DEVICE_UPDATE_STATUS;
} else {
if( cpu_is_timeout(&get_play_time_timer) ) {
cpu_stop_timeout(&get_play_time_timer);
}
state_m->async_cmd = false;
player_flag_temp.all = old_status;
update_player_status(state_m, (Ai_player_flag_t *) &player_flag_temp);
state_m->state = state_m->recorded_state;
}
break;
// This state update the elapsed time of the current track being played.
case STATE_CHECK_DEVICE_UPDATE_STATUS:
state_m->async_cmd = false;
player_flag_temp.all = ai_async_cmd_out_u32();
update_player_status(state_m, (Ai_player_flag_t *) &player_flag_temp);
// The transitional states such as "new file played" can not be kept in the saved status.
// Otherwise, we will send during 'ELAPSED_TIME_TIMER_VALUE_MS' second(s) a saved status with
// the "new_file_played" event, leading do a full redisplay of the metadata information and audio
// cracks. In other words, the saved status needs to keep the states (play/pause/...), not the events.
player_flag_temp.new_file_played = 0;
player_flag_temp.new_directory = 0;
old_status = player_flag_temp.all;
state_m->state = state_m->recorded_state;
break;
default:
return;
}
// Error management
if (state_m->cmd_status == false)
state_m->state = STATE_DEVICE_DISCONNECTED;
}
/**
* \brief Update status of all players.
*/
void ptb::frame_play_story::update_all_players_status()
{
update_player_status(1, m_first_player_status);
if ( game_variables::get_players_count() == 2 )
update_player_status(2, m_second_player_status);
else
{
m_second_player_status.score_text->set_text( gettext("No player") );
m_second_player_status.lives_text->set_text( "0" );
m_second_player_status.stone_text->set_text( "0" );
m_second_player_status.energy->set_length(100);
m_second_player_status.energy->set_level(0);
m_second_player_status.energy->set_max_level(100);
update_power
(false, "gfx/ui/air-power.png", m_second_player_status.air_power);
update_power
(false, "gfx/ui/fire-power.png", m_second_player_status.fire_power);
update_power
(false, "gfx/ui/water-power.png", m_second_player_status.water_power);
}
} // frame_play_story::update_all_players_status()