nmigen-learning/fpga/icebreaker.dg

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import "/nmigen_boards.icebreaker/ICEBreakerPlatform"
import "/nmigen_dg/*"
import "modules/blinker/Blinker"
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import "modules/pulser/Pulser"
import "modules/segment7/Segment7x2"
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import "resources/pmod"
Top = subclass Elaboratable where
elaborate = platform ~> m where with m = Module! =>
freq = int platform.default_clk_frequency
@ledr = platform.request "led_r"
@ledg = platform.request "led_g"
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@seg7 = platform.request "seven_seg"
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blinker = (Submodule$ Blinker$ freq // 3 ).out
pulser = (Submodule$ Pulser$ freq // 10).out
seg7 = Submodule$ Segment7x2 decimal: True
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Comb$ Drive @ledr blinker
ff = Signal 1 reset: 1
When pulser $ ->
Sync$ Drive ff ~ff
Comb$ Drive @ledg ff
counter = Signal 8
When pulser $ ->
Sync$ Drive counter (counter + 1)
Comb$ Drive seg7.number counter
Comb$ Drive @seg7 (Cat seg7.segs seg7.select)
if __name__ == "__main__" =>
plat = ICEBreakerPlatform!
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plat.add_resources$ pmod.seven_seg pmod: 0 # pmod 1a
plat.add_resources$ pmod.dip_switch8 pmod: 1 # pmod 1b
plat.build Top! do_program: True