TODO
author Florian Pose <fp@igh-essen.com>
Fri, 10 Jul 2009 10:40:05 +0000
changeset 1499 5461fce4a2ea
parent 1496 f98f89d0d778
child 1500 ed1a733efbc5
permissions -rw-r--r--
TODO.
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EtherCAT master TODO
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$Id$
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vim700: spelllang=en spell
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Version 1.5.0:
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8fcc1d0987c1 DC cyclic operation and slave configuration. TBC...
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* Distributed clocks:
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7c2d5d69134c Replaced timeval by 64-bit EtherCAT time.
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    - Check 32/64 bit operations.
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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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    - Create an interface to query the System Time Difference registers.
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* Remove byte-swapping functions from user space.
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* EoE:
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    - Only execute one EoE handler per cycle.
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    - Replace locking callbacks.
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    - Allow EoE with userspace application.
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* Implement 'ethercat foe_read --output-file ...'.
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* Fix unloading problem of ec_e100 driver.
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* Use ec_datagram_zero() where possible.
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* Fix arguments of reg_read.
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* Sign/Abs type for reg_ commands?
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* Number layout for reg_read.
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* Show Record / Array / List type of SDOs.
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* Limit bandwidth of state machine datagram.
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* Read alias from register 0x0012 instead of SII.
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* Finish library implementation.
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* Rescan command.
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* Override sync manager size?
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* Remove ecrt_domain_state()?
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* Check force_config flag before error.
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* Remove allow_scanning flag.
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* Implement ecrt_master_slave() in kernel space.
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* Check for ioctl() interface version.
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* Improve application-triggered SDO transfers by moving the state machine into
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  the SDO handlers.
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* Apply watchdog patches from J. Mohre.
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* Move device driver files in subdirectories.
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3099d78343ea Added documentation.
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* Document ec_fsm_foe members.
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* Test KBUILD_EXTRA_SYMBOLS.
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* Remove default buffer size in SDO upload.
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Future issues:
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* Segmented SDO downloads.
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* External memory for SDO transfers.
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* Bus information via userspace library (slaves, sync managers, PDOs, entries).
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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 protocol handlers.
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* Mailbox state machine using toggle bits.
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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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    - Data type abbreviations.
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    - Add a -n (numeric) switch.
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	- Check for unwanted options.
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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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Smaller issues:
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* Stop master thread at ecrt_master_request() to get rid of allow_* flags?
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* Clear sync managers in INIT.
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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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