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@@ -1,3 +1,245 @@
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+Version 3.2.0
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+- Add FAQ about windows USB keyboards and hotplug interactions.
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+- Fix mingw build warnings in icarus driver.
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+- Make usb_ftdi_cts use the _usb_transfer_read function.
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+- Update ASIC-README with avalon info regarding default behaviour.
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+- Break out of idling loop in avalon_idle if the buffer is full.
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+- Provide some defaults for avalon if none are specified and do not try to claim
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+the device if it fails to reset with them and no options are specified.
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+- usbutils automatically track IO errors
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+- usbutils allow a short wait for resources to be released
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+- correct semaphore timeout comment
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+- Set the fanspeed to the nominal chosen for GPUs.
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+- Inverted sem_init logic.
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+- Document avalon options in ASIC-README
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+- Do avalon driver detection last as it will try to claim any similar device and
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+they are not reliably detected.
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+- Clamp initial GPU fanspeed to within user specified range.
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+- Use a counting semaphore to signal the usb resource thread that it has work to
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+do.
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+- Avalon fan factor is already multiplied into the info values.
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+- Get rid of zeros which corrupt display.
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+- Logic fail on minimum fanspeed reporting.
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+- Provide a workaround for fan0 sensor not being used on avalon and pad fan RPM
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+with zeros.
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+- Add ambient temp and lowest fan RPM information to avalon statline.
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+- Display max temperature and fanspeed data for avalon.
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+- Set devices to disabled after they exit the hashing loops to prevent the
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+watchdog thread from trying to act on them.
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+- Add avalon driver to hotplug.
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+- Shut down the avalon mining thread if the device disappears.
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+- Check for no usb device in usb_ftdi_cts
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+- Check for valid usbdev in _usb_read in case the device has been unplugged.
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+- Scanhash functions perform driver shutdown so don't repeat it.
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+- Change the opencl shutdown sequence.
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+- Send the shutdown message to threads and do the thread shutdown functions
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+before more forcefully sending pthread_cancel to threads.
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+- Use the cgpu_info shutdown to determine when to stop the avalon read and write
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+threads.
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+- Use semaphores to signal a reset to pause the read thread while the write
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+thread does the actual reset, making all writes come from the same place.
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+- Remove now unneeded fgpautils.h include from avalon.
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+- usb_transfer_read should also not play with the endianness.
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+- Use the USB wrappers for avalon, telling usbutils that we want the raw data.
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+- Use separate ep for avalon tasks vs avalon reset and do not loop in write
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+indefinitely.
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+- Remove unneeded function and checks in avalon write code.
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+- CMR handle baud options
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+- work_restart is reset within the queued hash work loop.
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+- Fix avalon shutdown sequence.
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+- Execute driver shutdown sequence during kill_work.
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+- Use nusleep in avalon_get_results in place of nmsleep.
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+- Provide an nusleep equivalent function to nmsleep.
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+- usb/ica add more (incomplete) CMR settings
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+- Give a buffer of perceived results in avalon during idle periods to allow for
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+results once it becomes active again.
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+- libusb_control_transfer are meant to be endian specific, but host endianness
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+so no conversion is needed.
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+- Reuse old MTX Handle
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+- usbutils check all memory allocation
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+- usb separate thread for resource locking and modified windows locking code
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+- Icarus report data direction with comms errors
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+- Set the read and write threads for avalon to not cancel within libusb
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+functions and wait for the threads to pthread_join on shutdown.
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+- Offset needs to be incremented after avalon reads.
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+- Make the avalon_read function parse the ftdi responses appopriately.
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+- Use the avalon read timeout to completion if no data has been read.
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+- wait_avalon_ready should only be used before writes.
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+- Ask for the correct amount to read in avalon get results.
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+- Spawn the avalon read thread first with info->reset set to discard any data
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+till work is adequately queued.
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+- Use direct usb read commands to avoid ftdi data being automatically cut off in
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+avalon reads.
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+- Do a simple usb_read_once for the avalon result from a reset command.
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+- Make sure avalon is ready to receive more usb commands before sending them.
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+- Implement avalon_ready and avalon_wait_ready functions for when usb is ready
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+to receive commands.
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+- avalon_read should not loop but just return whatever it has succeeded in
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+reading.
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+- Set avalon_info to device data void struct.
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+- Specify avalon in avalon_reset.
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+- First pass rewriting serialdev into direct usb dev for avalon driver.
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+- Define a cts equivalent for direct usb and use it for avalon driver full.
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+- Compile usbutils into avalon driver.
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+- Check results come in at least at 2/3 the rate they should be on avalon and if
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+not, reset it.
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+- Give a warning but don't reset if the avalon buffer is full early.
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+- Discard any reads obtained from the avalon get results thread during a reset.
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+- Differentiate initial reset in avalon from subsequent ones.
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+- Perform a mandatory reset if the avalon buffer signals it's full before it has
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+queued its normal quota of work.
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+- Wait till buffer is cleared after sending idle tasks to avalon before
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+returning from avalon_idle.
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+- Lock qlock mutex during reset from read thread in avalon to prevent more work
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+being sent till the reset is over.
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+- Reset avalon if we continue to be unable to send all the work items.
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+- Add avalon reset response to debugging output.
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+- Do a wait_avalon_ready before sending a reset code.
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+- Iterate over spare bytes in the avalon result returned from a reset request
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+trying to find the beginning of the reset.
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+- Idle avalon after reset.
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+- Check for nothing but consecutive bad results on avalon and reset the FPGA if
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+it happens.
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+- Make submit_nonce return a bool for whether it's a valid share or not.
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+- Unset the work restart flag sooner in avalon_flush_work to avoid re-entering
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+the flush work function and just reset the queued counter instead of rotating
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+the array to avoid runs of no valid work.
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+- Implement an avalon_flush_work function for work restarts.
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+- Shut down avalon read and write threads and idle the miners on closing it.
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+- Tighter control over work submissions in avalon allows us to use a smaller
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+array.
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+- Rotate avalon array to reset the queued count before releasing the lock so
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+work will always be available on next pass.
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+- Move avalon read thread start till after conditional wait, store idle status
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+in avalon_info and use it to determine whether an error is appropriate or not.
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+- Wait till the avalon_send_tasks thread has filled the avalon with idle work
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+before starting the avalon_get_results thread.
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+- Use AVA_GETS_OK macro in avalon_read.
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+- Do all writes on avalon with a select() timeout to prevent indefinite blocking
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+and loop if less than desired is written.
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+- Check explicitly that ava_buffer_full equals the macro.
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+- Send initial reset as an avalon task to remove avalon_write function.
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+- avalon_clear_readbuf is no longer required.
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+- Check for 2 stray bytes on avalon reset.
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+- Create a separate thread for handling all work and idle submission to the
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+avalon which messages the scanhash function it has completed to update
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+statistics.
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+- usbutils ensure it compiles without stats
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+- usbutils include transfer mode in usbstats
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+- Give the avalon get results thread name the device number as well.
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+- Make sure we're not adjusting temps on every successful work retrieval on
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+avalon.
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+- Count missing work items from behind a successful work read in avalon as well.
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+- Change message for work not found in avalon parser.
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+- usbutils handle bulk_transfer partial writes
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+- Simplify debugging and only discard from avalon read buffer if at least one
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+full result has been discarded.
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+- Only display discarded bytes in avalon if they're not used as nonces.
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+- Only loop once through avalon_parse_results, but do so after timeouts as well.
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+- Only debug and move ram if spare bytes exist in avalon buffer.
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+- Remove off by one error.
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+- Inverted logic.
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+- Add more debugging to avalon reads.
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+- Convert unsigned size_ts to ints for parsing avalon messages.
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+- Cope with not finding nonces in avalon parsing gracefully by not overflowing
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+buffers.
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+- Adjust avalon temp values on one lot of valid nonces from the parser.
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+- Created a threaded message parser for avalon reads.
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+- Avalon_wait_write is not effective during resets so do it after going idle.
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+- Send only a single byte reset.
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+- Repeat going idle after avalon reset, and wait for write ready before sending
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+each reset request instead of some arbitrary sleep time.
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+- Timeouts on avalon_read and avalon_write should be 100ms.
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+- Don't close avalon after detecting it until we're cleaning up, instead using
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+reset for comms failures.
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+- Check for avalon_wait_write before sending reset command.
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+- Sleep in avalon_write_ready.
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+- Make avalon_wait_write a bool function and check its return value.
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+- Show how many idle tasks are sent to avalon if it aborts on buffer full.
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+- Reset avalon->device_fd after it is closed.
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+- Create an avalon_wait_write function that is used before sending avalon idle
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+command.
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+- Avoid repeating avalon_idle in do_avalon_close and extra sleep.
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+- Pass fd to avalon_idle.
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+- Do avalon_reset after info structure is set up.
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+- Rework avalon reset sequence to include idling of chips and waiting for them
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+to go idle followed by 2nd reset and then checking result.
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+- Do a non-blocking read of anything in the avalon buffer after opening the
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+device.
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+- Assign the avalon info data to the device_data in cgpu_info.
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+- thread shutdown is different on windows
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+- usbutils make all windows timeouts 999ms
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+- usb add another Cairnsmore1 USB chip
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+- icarus do the full detect test twice if required
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+- CMR usb config guess
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+- usb add transfer_read and commented out in icarus
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+- usbutils allow unrounded control transfers
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+- icarus ICA initialisation
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+- icarus report err on read failure
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+- icarus correct device_id and use device_data for icarus_info
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+- miner.h remove unused device_file and add device_data
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+- miner.h icarus no long uses fd
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+- icarus AMU config transfers
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+- Create a logwin_update function which mandatorily updates the logwin and use
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+it when input is expected to prevent display refresh delays.
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+- usbutils force an unknown IDENT for zero
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+- icarus set default options/timing based on device
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+- Must unlock curses as well in logwin_update.
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+- Create a logwin_update function which mandatorily updates the logwin and use
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+it when input is expected to prevent display refresh delays.
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+- icarus report usb write error information
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+- Add name to icarus copyright notice.
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+- Check for *pth dereference on pthread_join
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+- usbutils name latency correctly
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+- Check for restart before buffering more reads in Icarus.
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+- Icarus should timeout if it's greater than the timeout duration even if it's
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+receiving data.
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+- We should check for amount buffered in icarus get_nonce against amount already
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+received.
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+- Make mining threads report out during work submission.
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+- submit_work_async is no longer used directly by driver code.
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+- Fix first read timeout on icarus get nonce.
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+- Retry icarus_initialise if the first read attempt fails.
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+- Properly pthread_join miner threads on shutdown.
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+- Properly pthread_join miner threads on shutdown.
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+- Use a persistent single separate thread for stratum share submission that uses
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+workqueues since all stratum sends are serialised.
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+- All stratum calls to recv_line are serialised from the one place so there is
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+no need to use locking around recv().
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+- Only allow the mining thread to be cancelled when it is not within driver
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+code, making for cleaner shutdown and allowing us to pthread_join the miner
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+threads on kill_work().
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+- Only allow the mining thread to be cancelled when it is not within driver
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+code, making for cleaner shutdown and allowing us to pthread_join the miner
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+threads on kill_work().
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+- Set pool->probed to true after an attempt to resolve the url via stratum code.
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+- icarus test nodev everywhere
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+- usbutils/icarus separate FTDI transfer values and more debug
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+- add icarus to hotplug
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+- usbutils add rest of icarus
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+- simple serial-USB python test script
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+- icarus->USB v0.1 incomplete - missing initialise()
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+- README spelling
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+- Update documentation for icarus switch to USB
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+- Add USB rules for supported USB devices
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+- switch icarus configuration to usb
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+- usbutils new command for icarus
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+- usb add a numeric sub-indentity for each name
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+- usbutils - make FTDI handling automatic
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+- fix duplicate name
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+- usbutils set Black Arrow Lancelot's as BAL and match the lot->llt name
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+- usbutils identify Icarus devices
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+- libusb_control_transfer 16 bit words are endian specific.
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+- usb_applog separate amt display
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+- Show pool difficulty more verbosely if it changes via stratum.
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+- Attribute whatever stats we can get on untracked stratum shares based on
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+current pool diff.
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+- Provide a --lowmem option which does not cache shares on failed submission to
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+prevent low memory hardware (eg Avalon) from crashing.
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+- Update util.c
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+
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+
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Version 3.1.1 - May 11th, 2013
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- Use a discrete device target for scrypt that dynamically changes to ensure we
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Con Kolivas