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test_spi: simplify test, add collision vs busy test

This commit is contained in:
Robert Jördens 2016-03-09 17:58:42 +01:00
parent 9a661bd273
commit 8f6653ef72
1 changed files with 21 additions and 2 deletions
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21
artiq/test/coredevice/test_spi.py
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@ -2,6 +2,19 @@ from artiq.experiment import *
from artiq.test.hardware_testbench import ExperimentCase
class Collision(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("spi0")
@kernel
def run(self):
t = now_mu()
self.spi0.set_config_mu()
at_mu(t)
self.spi0.set_config_mu()
class Busy(EnvExperiment):
def build(self):
self.setattr_device("core")
@ -10,8 +23,9 @@ class Busy(EnvExperiment):
@kernel
def run(self):
t = now_mu()
self.spi0.set_config_mu()
delay(-8*ns)
at_mu(t + self.spi0.ref_period_mu)
self.spi0.set_config_mu() # causes the error
self.led.on()
self.led.sync() # registers the error
@ -20,5 +34,10 @@ class Busy(EnvExperiment):
class SPITest(ExperimentCase):
def test_collision(self):
with self.assertRaises(RTIOCollision):
self.execute(Collision)
def test_busy(self):
with self.assertRaises(RTIOBusy):
self.execute(Busy)