forked from M-Labs/artiq
grabber: add MultiReg to transfer ROI boundaries
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@ -84,8 +84,11 @@ class Grabber(Module):
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for n, roi_engine in enumerate(self.roi_engines):
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for offset, target in enumerate([roi_engine.cfg.x0, roi_engine.cfg.x1,
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roi_engine.cfg.y0, roi_engine.cfg.y1]):
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roi_boundary = Signal.like(target)
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roi_boundary.attr.add("no_retiming")
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self.sync.rtio += If(self.config.o.stb & (self.config.o.address == 4*n+offset),
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target.eq(self.config.o.data))
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roi_boundary.eq(self.config.o.data))
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self.specials += MultiReg(roi_boundary, target, "cl")
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self.sync.rio += If(self.gate_data.o.stb,
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self.serializer.gate.eq(self.gate_data.o.data))
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