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test/sawg: test HBF overshoot, fix sim patching

This commit is contained in:
Robert Jördens 2017-06-12 20:35:47 +02:00
parent 9a8a7b9102
commit 315338fca9
1 changed files with 23 additions and 0 deletions
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23
artiq/gateware/test/dsp/test_sawg_fe.py
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@ -37,6 +37,7 @@ class SAWGTest(unittest.TestCase):
core_language.set_time_manager(sim_time.Manager()) core_language.set_time_manager(sim_time.Manager())
self.rtio_manager = RTIOManager() self.rtio_manager = RTIOManager()
self.rtio_manager.patch(spline) self.rtio_manager.patch(spline)
self.rtio_manager.patch(sawg)
self.core = sim_devices.Core({}) self.core = sim_devices.Core({})
self.core.coarse_ref_period = 6.66666 self.core.coarse_ref_period = 6.66666
self.t = self.core.coarse_ref_period self.t = self.core.coarse_ref_period
@ -47,6 +48,7 @@ class SAWGTest(unittest.TestCase):
def tearDown(self): def tearDown(self):
self.rtio_manager.unpatch(spline) self.rtio_manager.unpatch(spline)
self.rtio_manager.unpatch(sawg)
def test_instantiate(self): def test_instantiate(self):
pass pass
@ -223,3 +225,24 @@ class SAWGTest(unittest.TestCase):
import matplotlib.pyplot as plt import matplotlib.pyplot as plt
plt.plot(out) plt.plot(out)
plt.show() plt.show()
def test_fir_overflow(self):
MHz = 1e-3
ns = 1.
f1 = self.driver.frequency1
a1 = self.driver.amplitude1
p1 = self.driver.phase1
cfg = self.driver.config
f1.set(1*MHz)
a1.set(.99)
delay(100*ns)
p1.set(.5)
delay(100*ns)
a1.set(0)
out = self.run_channel(self.rtio_manager.outputs)
out = sum(out, [])
if False:
import matplotlib.pyplot as plt
plt.plot(out)
plt.show()