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import os
import subprocess
from nmigen.build import *
from nmigen.vendor.lattice_ice40 import *
from .resources import *
__all__ = ["BlackIcePlatform"]
class BlackIcePlatform(LatticeICE40Platform):
device = "iCE40HX4K"
package = "TQ144"
default_clk = "clk100"
resources = [
Resource("clk100", 0, Pins("129", dir="i"),
Clock(100e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
*LEDResources(pins="71 67 68 70", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
# Semantic aliases
Resource("led_b", 0, Pins("71", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
Resource("led_g", 0, Pins("67", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
Resource("led_o", 0, Pins("68", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
Resource("led_r", 0, Pins("70", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
*ButtonResources(pins="63 64", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
*SwitchResources(pins="37 38 39 41", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
UARTResource(0,
rx="88", tx="85",
attrs=Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1),
role="dce"
),
SRAMResource(0,
cs="136", oe="45", we="120",
a="137 138 139 141 142 42 43 44 73 74 75 76 115 116 117 118 119 78",
d="135 134 130 128 125 124 122 121 61 60 56 55 52 49 48 47",
attrs=Attrs(IO_STANDARD="SB_LVCMOS"),
),
]
connectors = [
Connector("pmod", 0, " 94 91 88 85 - - 95 93 90 87 - -"), # PMOD1/2
Connector("pmod", 1, "105 102 99 97 - - 104 101 98 96 - -"), # PMOD3/4
Connector("pmod", 2, "143 114 112 107 - - 144 113 110 106 - -"), # PMOD5/6
Connector("pmod", 3, " 10 9 2 1 - - 8 7 4 3 - -"), # PMOD7/8
Connector("pmod", 4, " 20 19 16 15 - - 18 17 12 11 - -"), # PMOD9/10
Connector("pmod", 5, " 34 33 22 21 - - 32 31 26 25 - -"), # PMOD11/12
Connector("pmod", 6, " 29 28 24 23 - -"), # PMOD13
Connector("pmod", 7, " 71 67 68 70 - -"), # PMOD14
]
def toolchain_program(self, products, name):
with products.extract("{}.bin".format(name)) as bitstream_filename:
subprocess.check_call(["cp", bitstream_filename, "/dev/ttyACM0"])
if __name__ == "__main__":
from .test.blinky import *
BlackIcePlatform().build(Blinky(), do_program=True)
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