forked from M-Labs/artiq
tester: handle no available ttl outputs
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@ -156,7 +156,9 @@ class KasliTester(EnvExperiment):
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def test_ttl_ins(self):
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print("*** Testing TTL inputs.")
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if not self.ttl_outs:
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print("No TTL output channel available to use as stimulus.")
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return
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ttl_out_name, ttl_out_dev = next(iter(self.ttl_outs))
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for ttl_in_name, ttl_in_dev in self.ttl_ins:
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print("Connect {} to {}. Press ENTER when done."
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