From 58d1e8a541fd0dee8bc3c435339fa3758ae2f1b8 Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Thu, 12 Jul 2012 18:56:17 +0200 Subject: [PATCH] framebuffer: use ASMI reader factory --- milkymist/framebuffer/__init__.py | 25 ++++--------------------- 1 file changed, 4 insertions(+), 21 deletions(-) diff --git a/milkymist/framebuffer/__init__.py b/milkymist/framebuffer/__init__.py index e6c91e57..28f17db8 100644 --- a/milkymist/framebuffer/__init__.py +++ b/milkymist/framebuffer/__init__.py @@ -207,24 +207,6 @@ def sim_fifo_gen(): print("H/V:" + str(t.value["hsync"]) + str(t.value["vsync"]) + " " + str(t.value["r"]) + " " + str(t.value["g"]) + " " + str(t.value["b"])) -class FakeDMA(Actor): - def __init__(self, port): - self.port = port - super().__init__( - ("address", Sink, [("a", BV(self.port.hub.aw))]), - ("data", Source, [("d", BV(self.port.hub.dw))])) - - def get_fragment(self): - pixel = Signal(BV(32)) - comb = [ - self.endpoints["address"].ack.eq(1), - self.endpoints["data"].stb.eq(1), - self.token("data").d.eq(Replicate(pixel, 4)) - ] - sync = [ - If(self.endpoints["data"].ack, pixel.eq(pixel + 1)) - ] - return Fragment(comb, sync) class Framebuffer: def __init__(self, address, asmiport, simulation=False): @@ -237,8 +219,8 @@ class Framebuffer: fi = ActorNode(_FrameInitiator(asmi_bits, length_bits, alignment_bits)) adrloop = ActorNode(misc.IntSequence(length_bits, asmi_bits)) adrbuffer = ActorNode(plumbing.Buffer) - #dma = ActorNode(dma_asmi.SequentialReader(asmiport)) - dma = ActorNode(FakeDMA(asmiport)) + dma = ActorNode(dma_asmi.Reader(asmiport)) + datbuffer = ActorNode(plumbing.Buffer) cast = ActorNode(structuring.Cast(asmiport.hub.dw, packed_pixels)) unpack = ActorNode(structuring.Unpack(pack_factor, _pixel_layout)) vtg = ActorNode(VTG()) @@ -251,7 +233,8 @@ class Framebuffer: g.add_connection(fi, adrloop, source_subr=["length", "base"]) g.add_connection(adrloop, adrbuffer) g.add_connection(adrbuffer, dma) - g.add_connection(dma, cast) + g.add_connection(dma, datbuffer) + g.add_connection(datbuffer, cast) g.add_connection(cast, unpack) g.add_connection(unpack, vtg, sink_ep="pixels") g.add_connection(fi, vtg, sink_ep="timing", source_subr=[ -- 2.30.2