* scanwidget:
gui: fix scanwidget usage
scanwidget: apply changes as of 10439cb
scanwidget: apply changes as of 98f0a56
missing parts of 59ac567
scanwidget: disable unmodified wheel on axis and slider
scanwidget: wire up signals better, set values late, take scanwidget from 7aa6397
gui: use scanwidget
scanwidget: add from current git
* master: (38 commits)
hardware_testbench: better message when skipping
test_spi: drain errors and be more strict on where we expect errors
monkey-patch asyncio.proactor_events to handle ConnectionAbortedError on Windows. Closes#247
test/rtio/Loopback: ensure loop_out is low before starting test
test/rtio: raise exception when pulse is not received
rtio: fix different address collision detection
frontend/coreanalyzer: do not attempt to print obsolete decoded_dump attribute. Closes#324
coredevice: put cache into separate file/device
gui: delete log/applet docks instead of hiding them
gui/moninj: make DDS widgets look less like buttons
rtio: remove NOP suppression capability
rtio/wishbone: make replace configurable
exceptions: clarify RTIOBusy
gateware/rtio: factor _BlindTransfer
test_spi: break_realtime
test_spi: simplify test, add collision vs busy test
hardware_testbench: clean up artiq_core_exeption printing
coredevice: fix _DDSGeneric __init__ args
hardware_testbench: also print artiq_core_exeption
rtio/core: fix syntax
...
Back when RTIO was driving TTLs, this functionality made it simpler to use by removing some irrelevant underflows.
The same technique is not applicable to DDS and SPI, so the user will have to deal with such underflows.
This patch makes the behavior of RTIO more consistent and the code simpler.
