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)
