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Fix blinky for tangnano4k #125

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Fix blinky for tangnano4k #125

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94d4dc3
Fix blinky for tangnano4k
uis246 Aug 16, 2022
62c340e
Fix LEDs count for tangnano4k
uis246 Aug 16, 2022
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2 changes: 1 addition & 1 deletion examples/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -120,7 +120,7 @@ nanolcd-tangnano-synth.json: nanolcd/TOP.v nanolcd/VGAMod.v
$(YOSYS) -D LEDS_NR=3 -D OSC_TYPE_OSCZ -p "read_verilog $^; synth_gowin -json $@"

%-tangnano4k-synth.json: %.v
$(YOSYS) -D LEDS_NR=6 -D OSC_TYPE_OSCZ -p "read_verilog $^; synth_gowin -json $@"
$(YOSYS) -D LEDS_NR=1 -D OSC_TYPE_OSCZ -p "read_verilog $^; synth_gowin -json $@"

%-tangnano9k-synth.json: %.v
$(YOSYS) -D LEDS_NR=6 -D OSC_TYPE_OSC -p "read_verilog $^; synth_gowin -json $@"
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24 changes: 17 additions & 7 deletions examples/tangnano4k.cst
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@@ -1,14 +1,24 @@
// these are the HDMI pins!
IO_LOC "led[0]" 27;
IO_LOC "led[1]" 28;
IO_LOC "led[2]" 29;
IO_LOC "led[3]" 30;
IO_LOC "led[4]" 31;
IO_LOC "led[5]" 32;
// in NP pairs
//TXC
IO_LOC "hdmi[0]" 27;
IO_LOC "hdmi[1]" 28;
//TX0
IO_LOC "hdmi[2]" 29;
IO_LOC "hdmi[3]" 30;
//TX1
IO_LOC "hdmi[4]" 31;
IO_LOC "hdmi[5]" 32;
//TX2
IO_LOC "hdmi[6]" 34;
IO_LOC "hdmi[7]" 35;

//Buttons
IO_LOC "key" 15;
IO_LOC "rst" 14;
IO_LOC "clk" 45;

IO_LOC "led" 10;
IO_LOC "clk" 45;

// true LVDS pins
IO_LOC "tlvds_p" 35,34;