mirror of https://github.com/m-labs/artiq.git
86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
import inspect
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from artiq.language.core import RuntimeException
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# Must be kept in sync with soc/runtime/exceptions.h
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class InternalError(RuntimeException):
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"""Raised when the runtime encounters an internal error condition."""
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eid = 1
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class _RPCException(RuntimeException):
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eid = 2
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class RTIOUnderflow(RuntimeException):
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"""Raised when the CPU fails to submit a RTIO event early enough
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(with respect to the event's timestamp).
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The offending event is discarded and the RTIO core keeps operating.
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"""
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eid = 3
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def __str__(self):
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return "at {} on channel {}, violation {}".format(
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self.p0*self.core.ref_period,
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self.p1,
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(self.p2 - self.p0)*self.core.ref_period)
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class RTIOSequenceError(RuntimeException):
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"""Raised when an event is submitted on a given channel with a timestamp
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not larger than the previous one.
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The offending event is discarded and the RTIO core keeps operating.
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"""
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eid = 4
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def __str__(self):
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return "at {} on channel {}".format(self.p0*self.core.ref_period,
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self.p1)
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class RTIOCollisionError(RuntimeException):
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"""Raised when an event is submitted on a given channel with the same
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coarse timestamp as the previous one but with a different fine timestamp.
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Coarse timestamps correspond to the RTIO system clock (typically around
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125MHz) whereas fine timestamps correspond to the RTIO SERDES clock
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(typically around 1GHz).
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The offending event is discarded and the RTIO core keeps operating.
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"""
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eid = 5
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def __str__(self):
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return "at {} on channel {}".format(self.p0*self.core.ref_period,
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self.p1)
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class RTIOOverflow(RuntimeException):
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"""Raised when at least one event could not be registered into the RTIO
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input FIFO because it was full (CPU not reading fast enough).
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This does not interrupt operations further than cancelling the current
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read attempt and discarding some events. Reading can be reattempted after
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the exception is caught, and events will be partially retrieved.
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"""
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eid = 6
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def __str__(self):
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return "on channel {}".format(self.p0)
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class DDSBatchError(RuntimeException):
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"""Raised when attempting to start a DDS batch while already in a batch,
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or when too many commands are batched.
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"""
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eid = 7
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exception_map = {e.eid: e for e in globals().values()
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if inspect.isclass(e)
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and issubclass(e, RuntimeException)
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and hasattr(e, "eid")}
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