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Author SHA1 Message Date
Sebastien Bourdeauducq ad0254c17b Merge branch 'switching125' into new 2018-11-07 22:03:18 +08:00
Sebastien Bourdeauducq efd735a6ab Revert "drtio: monitor RTIOClockMultiplier PLL (#1155)" 
This reverts commit 469a66db61.
 2018-11-07 22:01:03 +08:00
Robert Jördens 73b7124091 test_ad9910: print sync scan for debugging 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-06 10:04:21 +01:00
Sebastien Bourdeauducq 9a3d81ffee kasli: fix tester clk_sel 2018-11-06 14:49:21 +08:00
Sebastien Bourdeauducq fb12df7e01 Revert "kasli_tester: urukul0 mmcx clock defunct" 
This reverts commit 68220c316d.
 2018-11-06 14:33:21 +08:00
Robert Jördens 31f68ddf6c Merge branch 'urukul-sync' 
* urukul-sync: (29 commits)
  urukul: flake8 [nfc]
  ad9910: flake8 [nfc]
  urukul/ad9910 test: remove unused import
  test_urukul: relax speed
  urukul,ad9910: print speed metrics
  kasli: add PTB2 (external clock and SYNC)
  kasli: add sync to LUH, HUB, Opticlock
  kasli_tester: urukul0 mmcx clock defunct
  test_ad9910: relax ifc mode read
  tests: add Urukul-AD9910 HITL unittests including SYNC
  ad9910: add init bit explanation
  test: add Urukul CPLD HITL tests
  ad9910: fiducial timestamp for tracking phase mode
  ad9910: add phase modes
  ad9910: fix pll timeout loop
  tester: add urukul sync
  ptb: back out urukul-sync
  ad9910: add IO_UPDATE alignment and tuning
  urukul: set up sync_in generator
  ad9910: add io_update alignment measurement
  ...

close #1143
 2018-11-05 19:54:30 +01:00
Robert Jördens 6fb18270a2 urukul: flake8 [nfc] 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:45:24 +01:00
Robert Jördens 832690af9a ad9910: flake8 [nfc] 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:44:51 +01:00
Robert Jördens 6d525e2f9a urukul/ad9910 test: remove unused import 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:40:57 +01:00
Robert Jördens 36c5a7cd04 test_urukul: relax speed 
works fine at < 3µs here but needs <5 µs on buildbot-kasli-tester

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:20 +01:00
Robert Jördens 89fecfab50 urukul,ad9910: print speed metrics 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:18 +01:00
Robert Jördens 32d538f72b kasli: add PTB2 (external clock and SYNC) 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:16 +01:00
Robert Jördens d8a5951a13 kasli: add sync to LUH, HUB, Opticlock 
for #1143, also add missing LUH device db

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:14 +01:00
Robert Jördens 68220c316d kasli_tester: urukul0 mmcx clock defunct 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:11 +01:00
Robert Jördens 89fadab63d test_ad9910: relax ifc mode read 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:08 +01:00
Robert Jördens f522e211ba tests: add Urukul-AD9910 HITL unittests including SYNC 
for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:06 +01:00
Robert Jördens 9fb850ae75 ad9910: add init bit explanation 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:02 +01:00
Robert Jördens bc04da15c5 test: add Urukul CPLD HITL tests 
for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:37:00 +01:00
Robert Jördens 141cc7d99f ad9910: fiducial timestamp for tracking phase mode 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:58 +01:00
Robert Jördens 2f6d3f79ff ad9910: add phase modes 
* simplified and cross-referenced the explanation of the different
  phase modes.
* semantically and functionally merged absolute and tracking/coherent
  phase modes.
* simplified numerics to calculate phase correction
* added warning about possible inconsistency with DMA and default
  phase mode
* restricted __all__ imports
* moved continuous/relative phase offset tracking from an instance
  variable to a "handle" returned by set()/set_mu() in order to avoid
  state inconsistency with DMA (#1113 #1115)

for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:55 +01:00
Robert Jördens d3ad2b7633 ad9910: fix pll timeout loop 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:53 +01:00
Robert Jördens 4269d5ad5c tester: add urukul sync 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:52 +01:00
Robert Jördens 60d3bc63a7 ptb: back out urukul-sync 
... for backwards compatibility.

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:50 +01:00
Robert Jördens 06139c0f4d ad9910: add IO_UPDATE alignment and tuning 
for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:48 +01:00
Robert Jördens 1066430fa8 urukul: set up sync_in generator 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:46 +01:00
Robert Jördens 4bbd833cfe ad9910: add io_update alignment measurement 
for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:44 +01:00
Robert Jördens 7b92282012 ad9910: add docs for sync tuning, refactor 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:42 +01:00
Robert Jördens 8a47a6b2fb ad9910: disable sync_clk output 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:40 +01:00
Robert Jördens 65e2ebf960 ad9910: add sync delay control, auto tuning 
* expose multi device sync functionality
* sync delay configuration interface
* auto-tuning of sync delay from device_db seed

for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:37 +01:00
Robert Jördens 8dbf5f87fd ad9910: simplify io_update pulsing on init, set_mu 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:35 +01:00
Robert Jördens 0b3b07a7da ad9910: add power down method 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:34 +01:00
Robert Jördens 3538444876 urukul: add sync_in to eem0-7 name 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:32 +01:00
Robert Jördens 0433e8f4fe urukul: add sync_in generator 
for #1143

Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:30 +01:00
Robert Jördens f62c1ff0bb TTLClockGen: expose acc_width 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:27 +01:00
Robert Jördens f755a4682a device_db_ptb: fix zotino clr 
Signed-off-by: Robert Jördens <rj@quartiq.de>
 2018-11-05 19:36:24 +01:00
David Nadlinger abad916383 RELEASE_NOTES: Fix typo 2018-11-03 20:33:19 +08:00
David Nadlinger 8b5df9c151 RELEASE_NOTES: TTL timeline cursor API changes 2018-11-03 20:33:19 +08:00
David Nadlinger f79b9d9e1e ttl: Expand input gate/count API docstrings 2018-11-03 20:33:19 +08:00
David Nadlinger f02ceee626 language: Clarify now_mu() docstring [nfc] 2018-11-03 20:33:19 +08:00
David Nadlinger e7d3f36b91 doc: Fix ancient trigger code in slides 
These examples were already broken before my recent changes to the
artiq.coredevice.ttl API.
 2018-11-03 20:33:19 +08:00
David Nadlinger 5d2e3f975f coredevice: Add get_rtio_counter_mu() docstring [nfc] 2018-11-03 20:33:19 +08:00
David Nadlinger d6fcc0529f coredevice: Imperative mood in docstrings [nfc] 
This follows Python conventions (PEP257) and unifies the style with
other comments.
 2018-11-03 20:33:19 +08:00
David Nadlinger cbdef0225c ttl: Add target RTIO time argument to timestamp/count functions 
Software-based tracking of timestamps is problematic (e.g. when
using DMA, see GitHub #1113).
 2018-11-03 20:33:19 +08:00
David Nadlinger 2a0e1dabfb ttl: Remove unused attribute [nfc] 2018-11-03 20:33:19 +08:00
David Nadlinger 17a5fb2dce ttl: Remove error-prone sync() calls 
These methods are problematic, as with DMA in the picture, the
timestamp member variables did not necessarily reflect the last
submitted event timestamp (see GitHub #1113).

sync() is only very rarely used in typical experimental code, so
the methods are removed without a transition period.
Core.wait_until() can be used to busy-wait for a specified RTIO
timestamp value on the core device CPU instead.
 2018-11-03 20:33:19 +08:00
David Nadlinger 11e8c9d5f7 coredevice: Add Core.wait_until_mu() 
(This supersedes TTLOut.sync(), see see GitHub #1113.)
 2018-11-03 20:33:19 +08:00
David Nadlinger cbfbe24d7a ttl: Remove broken TTLClockGen.sync 
The code currently doesn't compile because of a typo in the timestamp
field name. However, tracking event timestamps in software is
problematic anyway (e.g. with DMA, see GitHub #1113), so just remove
`sync()` altogether.
 2018-11-03 20:33:19 +08:00
Sebastien Bourdeauducq 7f11411127 RELEASE_NOTES: 3.7 2018-11-03 20:17:28 +08:00
Sebastien Bourdeauducq bc4a8157c0 kasli: add tsinghua2 2018-11-01 18:26:37 +08:00
David Nadlinger 91f0d640e2
.github: Match suggested commit message format to established convention 
This changes the suggested format for commit messages to match the
convention actually used here (no square brackets).
 2018-10-25 22:01:14 +01:00