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grabber: work around windows numpy int peculiarity (same as a81c12de9)

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Sebastien Bourdeauducq 2018-11-30 18:41:14 +08:00
parent 156afb48ee
commit dce4f036db
1 changed files with 1 additions and 1 deletions
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artiq/coredevice/grabber.py
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@ -23,7 +23,7 @@ class Grabber:
count_width = min(31, 2*res_width + 16 - count_shift)
# This value is inserted by the gateware to mark the start of a series of
# ROI engine outputs for one video frame.
self.sentinel = int32(2**count_width)
self.sentinel = int32(int64(2**count_width))
@kernel
def setup_roi(self, n, x0, y0, x1, y1):