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EtherCAT master TODO

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$Id$

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vim700: spelllang=en spell

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Future issues:

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* Port port order patch from stable-1.5.

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* Remove allow_scanning flag.

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* Check for Enable SDO Complete Access flag.

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* Do not output 'SDO does not exist' when querying data type.

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* Read AL status code on spontaneous state change.

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* recompile tool/CommandVersion.cpp if revision changes.

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* Log SoE IDNs with real name ([SP]-x-yyyy).

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* Only output watchdog config if not default.

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* Implement CompleteAccess for SDO uploads.

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* Output warning when send_ext() is called in illegal context.

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* Change SDO index at runtime for SDO request.

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* Implement ecrt_slave_config_request_state().

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* Remove default buffer size in SDO upload.

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* Override sync manager size?

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* Show Record / Array / List type of SDOs.

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* Distributed clocks:

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    - Use vendor correction factors when calculating transmission delays.

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    - Skip setting system time offset when application detached.

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    - How to use the SYNC1 shift time?

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    - Do not output graph, if topology calculation failed.

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    - Set the "Cyclic Generation Start Time" based on the slave's

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      "System Time" register instead of using the application time.

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    - Check if register 0x0980 is working, to avoid clearing it when

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      configuring.

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* Mailbox protocol handlers.

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* Mailbox state machine using toggle bits.

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* External memory for SDO transfers.

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* C++ implementation of the library.

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* Bus simulator interface.

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* Move master threads, slave handlers and state machines into a user

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  space daemon.

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* Allow master requesting when in ORPHANED phase

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* Mailbox gateway.

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* Separate CoE debugging.

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* Evaluate EEPROM contents after writing.

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* Optimize alignment of process data.

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* Redundancy with 2 network adapters.

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* Interface/buffers for asynchronous domain IO.

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* Make scanning and configuration run parallel (each).

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* ethercat tool:

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    - Add a -n (numeric) switch.

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	- Check for unwanted options.

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    - Fix number of digits in negative integer hex output.

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    - Data type abbreviations.

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    - Add -x switch for hex display.

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    - Implement CompleteAccess

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    - Implement --output-file argument in foe_read.

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    - Implement indent in 'ethercat ma'

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    - Implement 0xXXXX:YY format for specifying SDOs.

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    - Implement reading from stream for soe_write.

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    - Output error after usage.

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* Simplify master fsm by introducing a common request state to handle external

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  requests (replace write_sii, sdo_request, etc).

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* Remove stdio uses in userspace library?

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* Fix casting away constness during expected WC calculation.

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* Fix bus scan hang when calling ecrt_master_deactivate().

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* Fix link detection in generic driver.

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Smaller issues:

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* Read out CRC counters.

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* Configure slave ports to automatically open on link detection.

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* Fix datagram errors on application loading/unloading.

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Less important issues:

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* Allow VLAN tagging.

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* Determine number of frames, the NIC can handle.

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