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urukul: expose PROFILE setting 

* add documentation
* add unittest

Signed-off-by: Robert Jördens <rj@quartiq.de>
This commit is contained in:
Robert Jördens 2018-11-14 07:43:56 +01:00
parent 2af6edb8f5
commit a52d1be140
2 changed files with 22 additions and 0 deletions
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12
artiq/coredevice/urukul.py
View File

@ -335,3 +335,15 @@ class CPLD:
ftw = ftw_max//div ftw = ftw_max//div
assert ftw*div == ftw_max assert ftw*div == ftw_max
self.sync.set_mu(ftw) self.sync.set_mu(ftw)
@kernel
def set_profile(self, profile):
"""Set the PROFILE pins.
The PROFILE pins are common to all four DDS channels.
:param profile: PROFILE pins in numeric representation (0-7).
"""
cfg = self.cfg_reg & ~(7 << CFG_PROFILE)
cfg |= (profile & 7) << CFG_PROFILE
self.cfg_write(cfg)

10
artiq/test/coredevice/test_urukul.py
View File

@ -98,6 +98,13 @@ class UrukulExp(EnvExperiment):
self.dev.init() self.dev.init()
self.dev.set_sync_div(2) self.dev.set_sync_div(2)
@kernel
def profile(self):
self.core.break_realtime()
self.dev.init()
self.dev.set_profile(7)
self.dev.set_profile(0)
class UrukulTest(ExperimentCase): class UrukulTest(ExperimentCase):
def test_instantiate(self): def test_instantiate(self):
@ -147,3 +154,6 @@ class UrukulTest(ExperimentCase):
def test_sync(self): def test_sync(self):
self.execute(UrukulExp, "sync") self.execute(UrukulExp, "sync")
def test_profile(self):
self.execute(UrukulExp, "profile")