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coredevice/runtime_exceptions: update RTIO exception behaviour doc

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This commit is contained in:
Sebastien Bourdeauducq 2014-12-01 13:57:25 +08:00
parent 7166ca82d1
commit d50dbc0e73
1 changed files with 5 additions and 4 deletions
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9
artiq/coredevice/runtime_exceptions.py
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@ -16,7 +16,7 @@ class RTIOUnderflow(RuntimeException):
"""Raised when the CPU fails to submit a RTIO event early enough
(with respect to the event's timestamp).
Causes a reset of the RTIO core, except its time counter.
The offending event is discarded and the RTIO core keeps operating.
"""
eid = 1
@ -28,8 +28,7 @@ class RTIOSequenceError(RuntimeException):
"""Raised when an event is submitted on a given channel with a timestamp
not larger than the previous one.
The offending event is discarded and RTIO operation is not affected
further.
The offending event is discarded and the RTIO core keeps operating.
"""
eid = 2
@ -39,7 +38,9 @@ class RTIOOverflow(RuntimeException):
"""Raised when at least one event could not be registered into the RTIO
input FIFO because it was full (CPU not reading fast enough).
Causes a reset of the RTIO core, except its time counter.
This does not interrupt operations further than cancelling the current
read attempt and discarding some events. Reading can be reattempted after
the exception is caught, and events will be partially retrieved.
"""
eid = 3