Layed out PDO structures to own files.
digraph slaveconf {
size="7,9"
center=1
ratio=fill
enter_mbox_sync [shape=point,label=""]
enter_fmmu [shape=point,label=""]
enter_sdoconf [shape=point,label=""]
enter_mapconf [shape=point,label=""]
enter_pdo_sync [shape=point,label=""]
start -> init [weight=10]
init -> init
init -> error
init -> enter_mbox_sync
init -> clear_fmmus [label="has FMMUs", weight=10]
clear_fmmus -> clear_fmmus
clear_fmmus -> error
clear_fmmus -> enter_mbox_sync [weight=10]
enter_mbox_sync -> end [label="INIT req."]
enter_mbox_sync -> preop
enter_mbox_sync -> mbox_sync [label="mailbox SMs", weight=10]
mbox_sync -> mbox_sync
mbox_sync -> error
mbox_sync -> preop [weight=10]
preop -> preop
preop -> error
preop -> end [label="PREOP req."]
preop -> enter_sdoconf [weight=10]
enter_sdoconf -> enter_mapconf
enter_sdoconf -> sdoconf [label="SDOs to configure", weight=10]
sdoconf -> sdoconf
sdoconf -> error
sdoconf -> enter_mapconf [weight=10]
enter_mapconf -> mapconf [label="CoE supported", weight=10]
enter_mapconf -> enter_pdo_sync
mapconf -> mapconf
mapconf -> error
mapconf -> enter_pdo_sync [weight=10]
enter_pdo_sync -> pdo_sync [label="PDO SMs", weight=10]
enter_pdo_sync -> enter_fmmu
pdo_sync -> pdo_sync
pdo_sync -> error
pdo_sync -> enter_fmmu [weight=10]
enter_fmmu -> saveop
enter_fmmu -> fmmu [label="FMMUs to configure", weight=10]
fmmu -> fmmu
fmmu -> error
fmmu -> saveop [weight=10]
saveop -> saveop
saveop -> error
saveop -> end [label="SAVEOP req."]
saveop -> op [weight=10]
op -> op
op -> error
op -> end [weight=10]
}