def __init__(self, pads, lasmim, clock50=None, external_clocking=None, fifo_depth=None): assert clock50 is not None or external_clocking is not None, "%r %r" % (clock50, external_clocking) pack_factor = lasmim.dw//bpp if hasattr(pads, "scl"): self.submodules.i2c = I2C(pads) g = DataFlowGraph() self.fi = FrameInitiator(lasmim.aw, pack_factor) intseq = misc.IntSequence(lasmim.aw, lasmim.aw) dma_out = AbstractActor(plumbing.Buffer) g.add_connection(self.fi, intseq, source_subr=self.fi.dma_subr()) g.add_pipeline(intseq, AbstractActor(plumbing.Buffer), dma_lasmi.Reader(lasmim), dma_out) cast = structuring.Cast(lasmim.dw, pixel_layout(pack_factor), reverse_to=True) vtg = VTG(pack_factor) self.driver = Driver(pack_factor, pads, clock50, external_clocking, fifo_depth) g.add_connection(self.fi, vtg, source_subr=self.fi.timing_subr, sink_ep="timing") g.add_connection(dma_out, cast) g.add_connection(cast, vtg, sink_ep="pixels") g.add_connection(vtg, self.driver) self.submodules += CompositeActor(g)
def __init__(self, pads, lasmim, external_clocking=None): pack_factor = lasmim.dw//bpp g = DataFlowGraph() self.fi = FrameInitiator(lasmim.aw, pack_factor) intseq = misc.IntSequence(lasmim.aw, lasmim.aw) dma_out = AbstractActor(plumbing.Buffer) g.add_connection(self.fi, intseq, source_subr=self.fi.dma_subr()) g.add_pipeline(intseq, AbstractActor(plumbing.Buffer), dma_lasmi.Reader(lasmim), dma_out) cast = structuring.Cast(lasmim.dw, pixel_layout(pack_factor), reverse_to=True) vtg = VTG(pack_factor) self.driver = Driver(pack_factor, pads, external_clocking) g.add_connection(self.fi, vtg, source_subr=self.fi.timing_subr, sink_ep="timing") g.add_connection(dma_out, cast) g.add_connection(cast, vtg, sink_ep="pixels") g.add_connection(vtg, self.driver) self.submodules += CompositeActor(g)
def __init__(self, pads, lasmim, external_clocking=None): pack_factor = lasmim.dw//bpp if hasattr(pads, "scl"): self.submodules.i2c = I2C(pads) g = DataFlowGraph() self.fi = FrameInitiator(lasmim.aw, pack_factor) intseq = misc.IntSequence(lasmim.aw, lasmim.aw) dma_out = AbstractActor(plumbing.Buffer) g.add_connection(self.fi, intseq, source_subr=self.fi.dma_subr()) g.add_pipeline(intseq, AbstractActor(plumbing.Buffer), dma_lasmi.Reader(lasmim), dma_out) cast = structuring.Cast(lasmim.dw, pixel_layout(pack_factor), reverse_to=True) vtg = VTG(pack_factor) self.driver = Driver(pack_factor, pads, external_clocking) g.add_connection(self.fi, vtg, source_subr=self.fi.timing_subr, sink_ep="timing") g.add_connection(dma_out, cast) g.add_connection(cast, vtg, sink_ep="pixels") g.add_connection(vtg, self.driver) self.submodules += CompositeActor(g)