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EtherCAT master TODO

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$Id$

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* Release 1.3:

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  - Remove addressing scheme "X:Y".

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  - Remove ugly ec_slave_is_coupler().

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  - Replace Vendor ID and product code arguments of ec_domain_register_pdo()

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    by slave pointer.

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  - Reset topology_change_pending on successful validation.

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  - Dynamic creation of EoE handlers.

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* Future features:

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  - Interface/buffers for asynchronous domain IO.

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  - Distributed clocks.

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  - Read dynamic PDO mapping from SDO dictionary (see can-cia.org: cia301ds4).

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  - Redundancy with 2 network adapters.

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* Smaller issues:

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  - Clear sync managers in INIT.

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  - Simplify FSMs with <state>_enter() functions.

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  - Output intermediate results during lsec.

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  - State change FSM: Follow spontaneous state changes.

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  - Read out CRC counters.

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  - Calculate expected working counter for domains.

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  - Optimize alignment of process data.

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  - Evaluate EEPROM contents after writing.

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  - SDO dictionary and -access in operation mode.

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  - SDO write access in sysfs.

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  - Speed up IDLE state machine through fast mode with schedule().

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* Less important issues:

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  - Implement all EtherCAT datagram types.

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  - File access over EtherCAT (FoE).

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  - Allow VLAN tagging.

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  - Determine number of frames the NIC can handle.

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