Here are the data structures with brief descriptions:

[detail level 12]

accelerometer_data
adc_channel
buffer_t
building_t	Building info structure
camera
char_object_t	Char Object
crap_t
DATA_EE_FLAGS
filter_t
framebuffer
game_t	Game structure
hal_spi_settings_t	Spi settings structure
i2c
i2c_settings_t
i2c_transaction
laser_tag_rules_t
laser_tag_status_t
linked_char_object_t	Linkable Char Object
list_link_t
list_t
muh_game_t	Game structure
network_settings
nrf24_radio_t
settings
nrfnet_address_t
nrfnet_msg_t
nrfnet_s
player_info_t	Player info structure to hold player settings
point
receiver_list_t
spi	Spi module structure
spi_settings_t	Spi settings structure
spi_transaction	Spi transaction structure
subsystem_t
system_t	System module structure
task_struct_t
test_t
triangle
union16_t
union32_t
union64_t
union8_t
vector
version_mmb_t
version_t	Version union
world