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