4 from nmigen
.build
import *
5 from nmigen
.vendor
.lattice_ice40
import *
9 __all__
= ["ICE40HX1KBlinkEVNPlatform"]
12 class ICE40HX1KBlinkEVNPlatform(LatticeICE40Platform
):
15 default_clk
= "clk3p3"
17 Resource("clk3p3", 0, Pins("13", dir="i"), Clock(3.3e6
),
18 Attrs(GLOBAL
=True, IO_STANDARD
="SB_LVCMOS")),
20 Resource("user_led", 0, Pins("59", dir="o"), Attrs(IO_STANDARD
="SB_LVCMOS")),
21 Resource("user_led", 1, Pins("56", dir="o"), Attrs(IO_STANDARD
="SB_LVCMOS")),
22 Resource("user_led", 2, Pins("53", dir="o"), Attrs(IO_STANDARD
="SB_LVCMOS")),
23 Resource("user_led", 3, Pins("51", dir="o"), Attrs(IO_STANDARD
="SB_LVCMOS")),
25 Resource("user_btn", 0, Pins("60"), Attrs(IO_STANDARD
="SB_LVCMOS")),
26 Resource("user_btn", 1, Pins("57"), Attrs(IO_STANDARD
="SB_LVCMOS")),
27 Resource("user_btn", 2, Pins("54"), Attrs(IO_STANDARD
="SB_LVCMOS")),
28 Resource("user_btn", 3, Pins("52"), Attrs(IO_STANDARD
="SB_LVCMOS")),
31 cs
="49", clk
="48", mosi
="45", miso
="46",
32 attrs
=Attrs(IO_STANDARD
="SB_LVCMOS")
36 Connector("pmod", 1, "10 9 8 7 - - 4 3 2 1 - -"), # J1
37 Connector("pmod", 5, "40 42 62 64 - - 37 41 63 45 - -"), # J5
38 Connector("pmod", 6, "25 24 21 20 - - 26 27 28 33 - -"), # J6
39 Connector("pmod", 11, "49 45 46 48 - -"), # J11
40 Connector("pmod", 12, "59 56 53 51 - -"), # J12
43 def toolchain_program(self
, products
, name
):
44 iceburn
= os
.environ
.get("ICEBURN", "iCEburn")
45 with products
.extract("{}.bin".format(name
)) as bitstream_filename
:
46 subprocess
.check_call([iceburn
, "-evw", bitstream_filename
])
49 if __name__
== "__main__":
50 from ._blinky
import Blinky
51 ICE40HX1KBlinkEVNPlatform().build(Blinky(), do_program
=True)