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EtherCAT master TODO
$Id$
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Version 1.4.0:
* Replace all Sysfs files via the new ethercat tool.
- Slave info (flags, mailbox, general)
- Config info (alias, position, type, Pdos, Sdos)
* Slaves as array.
* Remove the end state of the master state machine.
* Supply new ec_master_state_t.
* Implement ecrt_slave_config_state().
* Make ecrt_master_slave_config() return no error when slave is not present
or invalid.
* Remove get_cycles() calls and references to cpu_khz to increase
portability.
* Adapt remaining examples.
* READMEs for examples.
* Update documentation.
* Check for sizes of uploaded Sdos when reading mapping from CoE.
* Attach Pdo names from SII or Coe dictioary to Pdos read via CoE.
* Make scanning and configuration run parallel (each).
* List of commands that require a slave.
* Improve formatting of 'ethercat ls'.
Future issues:
* Distributed clocks.
* Move master threads, slave handlers and state machines into a user
space daemon.
* Implement user space realtime interface via cdev.
* Mailbox protocol handlers.
* Mailbox state machine using toggle bits.
* Mailbox gateway.
* Add add -n (numeric) switch to ethercat command.
* Separate CoE debugging.
* Evaluate EEPROM contents after writing.
* Optimize alignment of process data.
* Wait for bus scanning, even when link is not up at ecrt_request_master()?
* Redundancy with 2 network adapters.
* Interface/buffers for asynchronous domain IO.
Smaller issues:
* Evaluate SII Size field (0x003E) to determine maximum SII memory size.
* Unite fsm_pdo_mapping, fsm_pdo_config and fsm_coe_map.
* Clear sync managers in INIT.
* Read out CRC counters.
* Configure slave ports to automatically open on link detection.
* Only execute one EoE handler per EoE cycle.
Less important issues:
* File access over EtherCAT (FoE).
* Allow VLAN tagging.
* Determine number of frames, the NIC can handle.
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