mirror of https://github.com/m-labs/artiq.git
test_spi: simplify test, add collision vs busy test
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9a661bd273
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@ -2,6 +2,19 @@ from artiq.experiment import *
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from artiq.test.hardware_testbench import ExperimentCase
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from artiq.test.hardware_testbench import ExperimentCase
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class Collision(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.setattr_device("spi0")
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@kernel
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def run(self):
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t = now_mu()
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self.spi0.set_config_mu()
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at_mu(t)
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self.spi0.set_config_mu()
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class Busy(EnvExperiment):
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class Busy(EnvExperiment):
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def build(self):
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def build(self):
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self.setattr_device("core")
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self.setattr_device("core")
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@ -10,8 +23,9 @@ class Busy(EnvExperiment):
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@kernel
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@kernel
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def run(self):
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def run(self):
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t = now_mu()
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self.spi0.set_config_mu()
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self.spi0.set_config_mu()
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delay(-8*ns)
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at_mu(t + self.spi0.ref_period_mu)
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self.spi0.set_config_mu() # causes the error
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self.spi0.set_config_mu() # causes the error
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self.led.on()
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self.led.on()
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self.led.sync() # registers the error
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self.led.sync() # registers the error
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@ -20,5 +34,10 @@ class Busy(EnvExperiment):
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class SPITest(ExperimentCase):
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class SPITest(ExperimentCase):
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def test_collision(self):
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with self.assertRaises(RTIOCollision):
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self.execute(Collision)
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def test_busy(self):
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def test_busy(self):
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self.execute(Busy)
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with self.assertRaises(RTIOBusy):
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self.execute(Busy)
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