TODO
author Florian Pose <fp@igh-essen.com>
Thu, 13 Mar 2008 12:52:26 +0000
changeset 869 6c2f4130ed46
parent 866 88464a0850f7
child 899 e82e2e4cdc9b
permissions -rw-r--r--
Added ecrt_sdo_request_data_size().
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EtherCAT master TODO
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$Id$
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Version 1.4.0:
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* Slave config allow flag and completion object.
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* Mailbox state machine using toggle bits.
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* Mailbox protocol handlers.
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* READMEs for examples.
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* Remove get_cycles() calls and references to cpu_khz to increase
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  portability.
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* Remove ecdb.h and let lsec output PDO information 'cut-and-pastable' for
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  applications.
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* SDO write access in sysfs.
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* Distributed clocks.
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* Update documentation.
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* Do not configure in ecrt_master_activate(), but later in the state machine.
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* Remove master_state_t.
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* Scanning of Sdo dictionary / writing EEPROM in OPERATION state.
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* Adapt remaining examples.
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* Separate Pdo and Pdo entry classes.
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* Attach Pdo names.
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* Make all define underscores the same.
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* Remove bus validation; make bus scanning possible at any time.
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* Re-design slave configuration FSM, avoid unnecessary process data
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  interruptions.
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* Wait for bus scanning, even when link is not up at ecrt_request_master().
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* Implement ecrt_slave_config_state().
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Future issues:
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* Move slave handlers and state machines, etc. into a user space daemon.
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    - Step 1: Replace Sysfs interface with cdev and a user space program
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              to replace lsec.
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    - Step 2: Move kernel threads to user space daemon with a TCP interface
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              replacing the cdev.
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* Mailbox gateway.
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* Slave-to-slave communication.
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* Redundancy with 2 network adapters.
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* Interface/buffers for asynchronous domain IO.
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Smaller issues:
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* Evaluate SII Size field (0x003E) to determine maximum SII memory size.
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* Unite fsm_pdo_mapping, fsm_pdo_config and fsm_coe_map.
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* Clear sync managers in INIT.
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* Simplify FSMs with <state>_enter() functions.
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* Read out CRC counters.
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* Optimize alignment of process data.
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* Evaluate EEPROM contents after writing.
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* Configure slave ports to automatically open on link detection.
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* Interrupt master state machines state scan for other jobs.
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* Master state machine, slave configuration: Do not check every slave on
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  a cycle.
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* Only execute one EoE handler per EoE cycle.
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Less important issues:
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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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