cores/video/VideoTerminal: Write CSI interpreter color to term_mem (\e[92;1m\e[0m decoding working).
This commit is contained in:
Florent Kermarrec
parent
18f77ef378
commit
714903e65b
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@ -330,10 +330,7 @@ class CSIInterpreter(Module):
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self.sink = sink = stream.Endpoint([("data", 8)])
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self.source = source = stream.Endpoint([("data", 8)])
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self.color = Record([("r", 8), ("g", 8), ("b", 8)])
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self.color.r.reset = 0xff
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self.color.g.reset = 0xff
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self.color.b.reset = 0xff
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self.color = Signal(4)
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# # #
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@ -379,15 +376,10 @@ class CSIInterpreter(Module):
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)
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fsm.act("DECODE-CSI",
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If(csi_final == ord("m"),
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# FIXME: Write color in Terminal Mem.
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If((csi_bytes[0] == ord("9")) and (csi_bytes[1] == ord("2")),
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NextValue(self.color.r, 0x89),
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NextValue(self.color.g, 0xe2),
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NextValue(self.color.b, 0x34),
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NextValue(self.color, 1), # FIXME: Add Palette.
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).Else(
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NextValue(self.color.r, self.color.r.reset),
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NextValue(self.color.g, self.color.g.reset),
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NextValue(self.color.b, self.color.b.reset),
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NextValue(self.color, 0), # FIXME: Add Palette.
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),
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),
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NextState("RECOPY")
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@ -402,6 +394,8 @@ class VideoTerminal(Module):
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# # #
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csi_width = 8 if with_csi_interpreter else 0
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# Font Mem.
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# ---------
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os.system("wget https://github.com/enjoy-digital/litex/files/6076336/ter-u16b.txt") # FIXME: Store Font in LiteX?
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@ -419,7 +413,7 @@ class VideoTerminal(Module):
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term_lines = math.floor(vres/font_heigth)
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term_depth = term_colums * term_lines
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term_init = [ord(c) for c in [" "]*term_colums*term_lines]
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term_mem = Memory(width=font_width, depth=term_depth, init=term_init)
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term_mem = Memory(width=font_width + csi_width, depth=term_depth, init=term_init)
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term_wrport = term_mem.get_port(write_capable=True)
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term_rdport = term_mem.get_port(has_re=True)
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self.specials += term_mem, term_wrport, term_rdport
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@ -432,6 +426,7 @@ class VideoTerminal(Module):
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self.submodules.csi_interpreter = CSIInterpreter()
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self.comb += uart_sink.connect(self.csi_interpreter.sink)
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uart_sink = self.csi_interpreter.source
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self.comb += term_wrport.dat_w[font_width:].eq(self.csi_interpreter.color)
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self.submodules.uart_fifo = stream.SyncFIFO([("data", 8)], 8)
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self.comb += uart_sink.connect(self.uart_fifo.sink)
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@ -449,7 +444,7 @@ class VideoTerminal(Module):
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)
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uart_fsm.act("CLEAR-XY",
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term_wrport.we.eq(1),
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term_wrport.dat_w.eq(ord(" ")),
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term_wrport.dat_w[:font_width].eq(ord(" ")),
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NextValue(x_term, x_term + 1),
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If(x_term == (term_colums - 1),
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NextValue(x_term, 0),
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@ -476,7 +471,7 @@ class VideoTerminal(Module):
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uart_fsm.act("WRITE",
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uart_sink.ready.eq(1),
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term_wrport.we.eq(1),
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term_wrport.dat_w.eq(uart_sink.data),
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term_wrport.dat_w[:font_width].eq(uart_sink.data),
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NextState("INCR-X")
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)
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uart_fsm.act("RST-X",
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@ -506,7 +501,7 @@ class VideoTerminal(Module):
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uart_fsm.act("CLEAR-X",
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NextValue(x_term, x_term + 1),
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term_wrport.we.eq(1),
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term_wrport.dat_w.eq(ord(" ")),
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term_wrport.dat_w[:font_width].eq(ord(" ")),
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If(x_term == (term_colums - 1),
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NextValue(x_term, 0),
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NextState("IDLE")
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@ -548,7 +543,7 @@ class VideoTerminal(Module):
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self.comb += term_rdport.re.eq(ce)
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self.comb += term_rdport.adr.eq(x + y_rollover*term_colums)
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self.comb += [
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term_dat_r.eq(term_rdport.dat_r),
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term_dat_r.eq(term_rdport.dat_r[:font_width]),
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If((x >= 80) | (y >= term_lines),
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term_dat_r.eq(ord(" ")), # Out of range, generate space.
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)
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@ -562,16 +557,17 @@ class VideoTerminal(Module):
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for i in range(font_width):
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cases[i] = [bit.eq(font_rdport.dat_r[font_width-1-i])]
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self.comb += Case(timing_bufs[1].source.hcount[:int(math.log2(font_width))], cases)
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# FIXME: Allow static/dynamic Font color.
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self.comb += If(bit,
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source.r.eq(0xff),
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source.g.eq(0xff),
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source.b.eq(0xff),
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).Else(
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source.r.eq(0x00),
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source.g.eq(0x00),
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source.b.eq(0x00)
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)
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# FIXME: Add Palette.
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self.comb += [
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If(bit,
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Case(term_rdport.dat_r[font_width:], {
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0: [Cat(source.r, source.g, source.b).eq(0xffffff)],
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1: [Cat(source.r, source.g, source.b).eq(0x34e289)],
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})
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).Else(
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Cat(source.r, source.g, source.b).eq(0x000000),
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)
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]
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# Video FrameBuffer --------------------------------------------------------------------------------
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