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ETH
Bridge
PLC
Driver Core
PLC Subsystem (CESAR)
ARM Subsystem (CLEOPATRE)
Local
Applications
PLC
Daemon
Mailboxes
PLC Driver
Netlink
Linux Net Driver
Listen on bridge
Flash
R/W in special area
OS Layer
HAL Layer
PLC Driver Core
Processing Layer
Communication Layer
Linux Net Driver
NetLink
Mailboxes
Head
LEON
ARM
Tail
A2L
Head
ARM
LEON
Tail
L2A
ARM Subsystem
A2Lt
L2At enable
L2Aa
ARM to Leon
Trigger
ARM to Leon
Acknowledge
Leon to ARM
Trigger
Leon to ARM
Acknowledge
A2La
PLC Subsystem
ARM to Leon
Trigger Mask
A2Lt enable
ARM to Leon
Ack Mask
A2La enable
L2At
Leon to ARM
Trigger Mask
Leon to ARM
Ack Mask
L2Aa enable