map<QComboBox*, uint16_t> channel_id_map_; // channel selector -> decode channel ID
map<QComboBox*, uint16_t> init_state_map_; // init state selector -> decode channel ID
map<QComboBox*, uint16_t> channel_id_map_; // channel selector -> decode channel ID
map<QComboBox*, uint16_t> init_state_map_; // init state selector -> decode channel ID