nmigen_boards/ice40_hx1k_blink_evn.py

   1 import os
   2 import subprocess
   3
   4 from nmigen.build import *
   5 from nmigen.vendor.lattice_ice40 import *
   6 from .dev import *
   7
   8
   9 __all__ = ["ICE40HX1KBlinkEVNPlatform"]
  10
  11
  12 class ICE40HX1KBlinkEVNPlatform(LatticeICE40Platform):
  13     device      = "iCE40HX1K"
  14     package     = "VQ100"
  15     default_clk = "clk3p3"
  16     resources   = [
  17         Resource("clk3p3", 0, Pins("13", dir="i"), Clock(3.3e6),
  18                  Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
  19
  20         *LEDResources(pins="59 56 53 51", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
  21
  22         Resource("touch", 0, Pins("60"), Attrs(IO_STANDARD="SB_LVCMOS")),
  23         Resource("touch", 1, Pins("57"), Attrs(IO_STANDARD="SB_LVCMOS")),
  24         Resource("touch", 2, Pins("54"), Attrs(IO_STANDARD="SB_LVCMOS")),
  25         Resource("touch", 3, Pins("52"), Attrs(IO_STANDARD="SB_LVCMOS")),
  26
  27         *SPIFlashResources(0,
  28             cs="49", clk="48", mosi="45", miso="46",
  29             attrs=Attrs(IO_STANDARD="SB_LVCMOS")
  30         ),
  31     ]
  32     connectors  = [
  33         Connector("pmod",  1, "10  9  8  7 - -  4  3  2  1 - -"), # J1
  34         Connector("pmod",  5, "40 42 62 64 - - 37 41 63 45 - -"), # J5
  35         Connector("pmod",  6, "25 24 21 20 - - 26 27 28 33 - -"), # J6
  36         Connector("pmod", 11, "49 45 46 48 - -"), # J11
  37         Connector("pmod", 12, "59 56 53 51 - -"), # J12
  38     ]
  39
  40     def toolchain_program(self, products, name):
  41         iceburn = os.environ.get("ICEBURN", "iCEburn")
  42         with products.extract("{}.bin".format(name)) as bitstream_filename:
  43             subprocess.check_call([iceburn, "-evw", bitstream_filename])
  44
  45
  46 if __name__ == "__main__":
  47     from .test.blinky import *
  48     ICE40HX1KBlinkEVNPlatform().build(Blinky(), do_program=True)