diff --git a/litex/soc/cores/video.py b/litex/soc/cores/video.py index f1ee4b483..7d31c3021 100644 --- a/litex/soc/cores/video.py +++ b/litex/soc/cores/video.py @@ -330,10 +330,7 @@ class CSIInterpreter(Module): self.sink = sink = stream.Endpoint([("data", 8)]) self.source = source = stream.Endpoint([("data", 8)]) - self.color = Record([("r", 8), ("g", 8), ("b", 8)]) - self.color.r.reset = 0xff - self.color.g.reset = 0xff - self.color.b.reset = 0xff + self.color = Signal(4) # # # @@ -379,15 +376,10 @@ class CSIInterpreter(Module): ) fsm.act("DECODE-CSI", If(csi_final == ord("m"), - # FIXME: Write color in Terminal Mem. If((csi_bytes[0] == ord("9")) and (csi_bytes[1] == ord("2")), - NextValue(self.color.r, 0x89), - NextValue(self.color.g, 0xe2), - NextValue(self.color.b, 0x34), + NextValue(self.color, 1), # FIXME: Add Palette. ).Else( - NextValue(self.color.r, self.color.r.reset), - NextValue(self.color.g, self.color.g.reset), - NextValue(self.color.b, self.color.b.reset), + NextValue(self.color, 0), # FIXME: Add Palette. ), ), NextState("RECOPY") @@ -402,6 +394,8 @@ class VideoTerminal(Module): # # # + csi_width = 8 if with_csi_interpreter else 0 + # Font Mem. # --------- os.system("wget https://github.com/enjoy-digital/litex/files/6076336/ter-u16b.txt") # FIXME: Store Font in LiteX? @@ -419,7 +413,7 @@ class VideoTerminal(Module): term_lines = math.floor(vres/font_heigth) term_depth = term_colums * term_lines term_init = [ord(c) for c in [" "]*term_colums*term_lines] - term_mem = Memory(width=font_width, depth=term_depth, init=term_init) + term_mem = Memory(width=font_width + csi_width, depth=term_depth, init=term_init) term_wrport = term_mem.get_port(write_capable=True) term_rdport = term_mem.get_port(has_re=True) self.specials += term_mem, term_wrport, term_rdport @@ -432,6 +426,7 @@ class VideoTerminal(Module): self.submodules.csi_interpreter = CSIInterpreter() self.comb += uart_sink.connect(self.csi_interpreter.sink) uart_sink = self.csi_interpreter.source + self.comb += term_wrport.dat_w[font_width:].eq(self.csi_interpreter.color) self.submodules.uart_fifo = stream.SyncFIFO([("data", 8)], 8) self.comb += uart_sink.connect(self.uart_fifo.sink) @@ -449,7 +444,7 @@ class VideoTerminal(Module): ) uart_fsm.act("CLEAR-XY", term_wrport.we.eq(1), - term_wrport.dat_w.eq(ord(" ")), + term_wrport.dat_w[:font_width].eq(ord(" ")), NextValue(x_term, x_term + 1), If(x_term == (term_colums - 1), NextValue(x_term, 0), @@ -476,7 +471,7 @@ class VideoTerminal(Module): uart_fsm.act("WRITE", uart_sink.ready.eq(1), term_wrport.we.eq(1), - term_wrport.dat_w.eq(uart_sink.data), + term_wrport.dat_w[:font_width].eq(uart_sink.data), NextState("INCR-X") ) uart_fsm.act("RST-X", @@ -506,7 +501,7 @@ class VideoTerminal(Module): uart_fsm.act("CLEAR-X", NextValue(x_term, x_term + 1), term_wrport.we.eq(1), - term_wrport.dat_w.eq(ord(" ")), + term_wrport.dat_w[:font_width].eq(ord(" ")), If(x_term == (term_colums - 1), NextValue(x_term, 0), NextState("IDLE") @@ -548,7 +543,7 @@ class VideoTerminal(Module): self.comb += term_rdport.re.eq(ce) self.comb += term_rdport.adr.eq(x + y_rollover*term_colums) self.comb += [ - term_dat_r.eq(term_rdport.dat_r), + term_dat_r.eq(term_rdport.dat_r[:font_width]), If((x >= 80) | (y >= term_lines), term_dat_r.eq(ord(" ")), # Out of range, generate space. ) @@ -562,16 +557,17 @@ class VideoTerminal(Module): for i in range(font_width): cases[i] = [bit.eq(font_rdport.dat_r[font_width-1-i])] self.comb += Case(timing_bufs[1].source.hcount[:int(math.log2(font_width))], cases) - # FIXME: Allow static/dynamic Font color. - self.comb += If(bit, - source.r.eq(0xff), - source.g.eq(0xff), - source.b.eq(0xff), - ).Else( - source.r.eq(0x00), - source.g.eq(0x00), - source.b.eq(0x00) - ) + # FIXME: Add Palette. + self.comb += [ + If(bit, + Case(term_rdport.dat_r[font_width:], { + 0: [Cat(source.r, source.g, source.b).eq(0xffffff)], + 1: [Cat(source.r, source.g, source.b).eq(0x34e289)], + }) + ).Else( + Cat(source.r, source.g, source.b).eq(0x000000), + ) + ] # Video FrameBuffer --------------------------------------------------------------------------------